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Introduce retention lease state file (#39004)

Browse Source 
This commit moves retention leases from being persisted in the Lucene
commit point to being persisted in a dedicated state file.
This commit is contained in:
Jason Tedor 2019-02-18 16:52:51 -05:00
parent d43ac8fe11
commit 2d8f6b6501
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GPG Key ID: FA89F05560F16BC5
24 changed files with 486 additions and 359 deletions
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4
docs/reference/indices/flush.asciidoc
View File

@ -103,8 +103,7 @@ which returns something similar to:
"max_seq_no" : "-1",
"sync_id" : "AVvFY-071siAOuFGEO9P", <1>
"max_unsafe_auto_id_timestamp" : "-1",
"min_retained_seq_no" : "0",
"retention_leases" : "primary_term:1;version:1;id:replica-0;retaining_seq_no:0;timestamp:1547235588;source:replica"
"min_retained_seq_no" : "0"
},
"num_docs" : 0
}
@ -119,7 +118,6 @@ which returns something similar to:
// TESTRESPONSE[s/"translog_uuid" : "hnOG3xFcTDeoI_kvvvOdNA"/"translog_uuid": $body.indices.twitter.shards.0.0.commit.user_data.translog_uuid/]
// TESTRESPONSE[s/"history_uuid" : "XP7KDJGiS1a2fHYiFL5TXQ"/"history_uuid": $body.indices.twitter.shards.0.0.commit.user_data.history_uuid/]
// TESTRESPONSE[s/"sync_id" : "AVvFY-071siAOuFGEO9P"/"sync_id": $body.indices.twitter.shards.0.0.commit.user_data.sync_id/]
// TESTRESPONSE[s/"retention_leases" : "primary_term:1;version:1;id:replica-0;retaining_seq_no:0;timestamp:1547235588;source:replica"/"retention_leases": $body.indices.twitter.shards.0.0.commit.user_data.retention_leases/]
<1> the `sync id` marker
[float]

1
server/src/main/java/org/elasticsearch/index/engine/Engine.java
View File

@ -114,7 +114,6 @@ public abstract class Engine implements Closeable {
public static final String SYNC_COMMIT_ID = "sync_id";
public static final String HISTORY_UUID_KEY = "history_uuid";
public static final String MIN_RETAINED_SEQNO = "min_retained_seq_no";
public static final String RETENTION_LEASES = "retention_leases";
public static final String MAX_UNSAFE_AUTO_ID_TIMESTAMP_COMMIT_ID = "max_unsafe_auto_id_timestamp";
protected final ShardId shardId;

10
server/src/main/java/org/elasticsearch/index/engine/InternalEngine.java
View File

@ -51,7 +51,6 @@ import org.elasticsearch.Version;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.SuppressForbidden;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.lease.Releasable;
import org.elasticsearch.common.lucene.LoggerInfoStream;
import org.elasticsearch.common.lucene.Lucene;
@ -75,7 +74,6 @@ import org.elasticsearch.index.mapper.SourceFieldMapper;
import org.elasticsearch.index.merge.MergeStats;
import org.elasticsearch.index.merge.OnGoingMerge;
import org.elasticsearch.index.seqno.LocalCheckpointTracker;
import org.elasticsearch.index.seqno.RetentionLeases;
import org.elasticsearch.index.seqno.SeqNoStats;
import org.elasticsearch.index.seqno.SequenceNumbers;
import org.elasticsearch.index.shard.ElasticsearchMergePolicy;
@ -2347,13 +2345,7 @@ public class InternalEngine extends Engine {
commitData.put(MAX_UNSAFE_AUTO_ID_TIMESTAMP_COMMIT_ID, Long.toString(maxUnsafeAutoIdTimestamp.get()));
commitData.put(HISTORY_UUID_KEY, historyUUID);
if (softDeleteEnabled) {
/*
* We sample these from the policy (which occurs under a lock) to ensure that we have a consistent view of the minimum
* retained sequence number, and the retention leases.
*/
final Tuple<Long, RetentionLeases> retentionPolicy = softDeletesPolicy.getRetentionPolicy();
commitData.put(Engine.MIN_RETAINED_SEQNO, Long.toString(retentionPolicy.v1()));
commitData.put(Engine.RETENTION_LEASES, RetentionLeases.encodeRetentionLeases(retentionPolicy.v2()));
commitData.put(Engine.MIN_RETAINED_SEQNO, Long.toString(softDeletesPolicy.getMinRetainedSeqNo()));
}
logger.trace("committing writer with commit data [{}]", commitData);
return commitData.entrySet().iterator();

7
server/src/main/java/org/elasticsearch/index/engine/SoftDeletesPolicy.java
View File

@ -21,7 +21,6 @@ package org.elasticsearch.index.engine;
import org.apache.lucene.document.LongPoint;
import org.apache.lucene.search.Query;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.lease.Releasable;
import org.elasticsearch.index.mapper.SeqNoFieldMapper;
import org.elasticsearch.index.seqno.RetentionLease;
@ -107,10 +106,6 @@ final class SoftDeletesPolicy {
* Operations whose seq# is least this value should exist in the Lucene index.
*/
synchronized long getMinRetainedSeqNo() {
return getRetentionPolicy().v1();
}
public synchronized Tuple<Long, RetentionLeases> getRetentionPolicy() {
/*
* When an engine is flushed, we need to provide it the latest collection of retention leases even when the soft deletes policy is
* locked for peer recovery.
@ -151,7 +146,7 @@ final class SoftDeletesPolicy {
*/
minRetainedSeqNo = Math.max(minRetainedSeqNo, minSeqNoToRetain);
}
return Tuple.tuple(minRetainedSeqNo, retentionLeases);
return minRetainedSeqNo;
}
/**

37
server/src/main/java/org/elasticsearch/index/seqno/ReplicationTracker.java
View File

@ -32,6 +32,8 @@ import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.shard.AbstractIndexShardComponent;
import org.elasticsearch.index.shard.IndexShard;
@ -39,6 +41,7 @@ import org.elasticsearch.index.shard.ReplicationGroup;
import org.elasticsearch.index.shard.ShardId;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
@ -318,6 +321,40 @@ public class ReplicationTracker extends AbstractIndexShardComponent implements L
}
}
/**
* Loads the latest retention leases from their dedicated state file.
*
* @param path the path to the directory containing the state file
* @return the retention leases
* @throws IOException if an I/O exception occurs reading the retention leases
*/
public RetentionLeases loadRetentionLeases(final Path path) throws IOException {
final RetentionLeases retentionLeases = RetentionLeases.FORMAT.loadLatestState(logger, NamedXContentRegistry.EMPTY, path);
if (retentionLeases == null) {
return RetentionLeases.EMPTY;
}
return retentionLeases;
}
private final Object retentionLeasePersistenceLock = new Object();
/**
* Persists the current retention leases to their dedicated state file.
*
* @param path the path to the directory containing the state file
* @throws WriteStateException if an exception occurs writing the state file
*/
public void persistRetentionLeases(final Path path) throws WriteStateException {
synchronized (retentionLeasePersistenceLock) {
final RetentionLeases currentRetentionLeases;
synchronized (this) {
currentRetentionLeases = retentionLeases;
}
logger.trace("persisting retention leases [{}]", currentRetentionLeases);
RetentionLeases.FORMAT.writeAndCleanup(currentRetentionLeases, path);
}
}
public static class CheckpointState implements Writeable {
/**

87
server/src/main/java/org/elasticsearch/index/seqno/RetentionLease.java
View File

@ -19,13 +19,16 @@
package org.elasticsearch.index.seqno;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ConstructingObjectParser;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import java.util.Arrays;
import java.util.Locale;
import java.util.Objects;
/**
@ -34,7 +37,7 @@ import java.util.Objects;
* otherwise merge away operations that have been soft deleted). Each retention lease contains a unique identifier, the retaining sequence
* number, the timestamp of when the lease was created or renewed, and the source of the retention lease (e.g., "ccr").
*/
public final class RetentionLease implements Writeable {
public final class RetentionLease implements ToXContent, Writeable {
private final String id;
@ -94,10 +97,6 @@ public final class RetentionLease implements Writeable {
if (id.isEmpty()) {
throw new IllegalArgumentException("retention lease ID can not be empty");
}
if (id.contains(":") || id.contains(";") || id.contains(",")) {
// retention lease IDs can not contain these characters because they are used in encoding retention leases
throw new IllegalArgumentException("retention lease ID can not contain any of [:;,] but was [" + id + "]");
}
if (retainingSequenceNumber < 0) {
throw new IllegalArgumentException("retention lease retaining sequence number [" + retainingSequenceNumber + "] out of range");
}
@ -108,10 +107,6 @@ public final class RetentionLease implements Writeable {
if (source.isEmpty()) {
throw new IllegalArgumentException("retention lease source can not be empty");
}
if (source.contains(":") || source.contains(";") || source.contains(",")) {
// retention lease sources can not contain these characters because they are used in encoding retention leases
throw new IllegalArgumentException("retention lease source can not contain any of [:;,] but was [" + source + "]");
}
this.id = id;
this.retainingSequenceNumber = retainingSequenceNumber;
this.timestamp = timestamp;
@ -145,43 +140,49 @@ public final class RetentionLease implements Writeable {
out.writeString(source);
}
/**
* Encodes a retention lease as a string. This encoding can be decoded by {@link #decodeRetentionLease(String)}. The retention lease is
* encoded in the format <code>id:{id};retaining_seq_no:{retainingSequenecNumber};timestamp:{timestamp};source:{source}</code>.
*
* @param retentionLease the retention lease
* @return the encoding of the retention lease
*/
static String encodeRetentionLease(final RetentionLease retentionLease) {
Objects.requireNonNull(retentionLease);
return String.format(
Locale.ROOT,
"id:%s;retaining_seq_no:%d;timestamp:%d;source:%s",
retentionLease.id,
retentionLease.retainingSequenceNumber,
retentionLease.timestamp,
retentionLease.source);
private static final ParseField ID_FIELD = new ParseField("id");
private static final ParseField RETAINING_SEQUENCE_NUMBER_FIELD = new ParseField("retaining_sequence_number");
private static final ParseField TIMESTAMP_FIELD = new ParseField("timestamp");
private static final ParseField SOURCE_FIELD = new ParseField("source");
private static ConstructingObjectParser<RetentionLease, Void> PARSER = new ConstructingObjectParser<>(
"retention_leases",
(a) -> new RetentionLease((String) a[0], (Long) a[1], (Long) a[2], (String) a[3]));
static {
PARSER.declareString(ConstructingObjectParser.constructorArg(), ID_FIELD);
PARSER.declareLong(ConstructingObjectParser.constructorArg(), RETAINING_SEQUENCE_NUMBER_FIELD);
PARSER.declareLong(ConstructingObjectParser.constructorArg(), TIMESTAMP_FIELD);
PARSER.declareString(ConstructingObjectParser.constructorArg(), SOURCE_FIELD);
}
@Override
public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException {
builder.startObject();
{
builder.field(ID_FIELD.getPreferredName(), id);
builder.field(RETAINING_SEQUENCE_NUMBER_FIELD.getPreferredName(), retainingSequenceNumber);
builder.field(TIMESTAMP_FIELD.getPreferredName(), timestamp);
builder.field(SOURCE_FIELD.getPreferredName(), source);
}
builder.endObject();
return builder;
}
@Override
public boolean isFragment() {
return false;
}
/**
* Decodes a retention lease encoded by {@link #encodeRetentionLease(RetentionLease)}.
* Parses a retention lease from {@link org.elasticsearch.common.xcontent.XContent}. This method assumes that the retention lease was
* converted to {@link org.elasticsearch.common.xcontent.XContent} via {@link #toXContent(XContentBuilder, Params)}.
*
* @param encodedRetentionLease an encoded retention lease
* @return the decoded retention lease
* @param parser the parser
* @return a retention lease
*/
static RetentionLease decodeRetentionLease(final String encodedRetentionLease) {
Objects.requireNonNull(encodedRetentionLease);
final String[] fields = encodedRetentionLease.split(";");
assert fields.length == 4 : Arrays.toString(fields);
assert fields[0].matches("id:[^:;,]+") : fields[0];
final String id = fields[0].substring("id:".length());
assert fields[1].matches("retaining_seq_no:\\d+") : fields[1];
final long retainingSequenceNumber = Long.parseLong(fields[1].substring("retaining_seq_no:".length()));
assert fields[2].matches("timestamp:\\d+") : fields[2];
final long timestamp = Long.parseLong(fields[2].substring("timestamp:".length()));
assert fields[3].matches("source:[^:;,]+") : fields[3];
final String source = fields[3].substring("source:".length());
return new RetentionLease(id, retainingSequenceNumber, timestamp, source);
public static RetentionLease fromXContent(final XContentParser parser) {
return PARSER.apply(parser, null);
}
@Override

11
server/src/main/java/org/elasticsearch/index/seqno/RetentionLeaseBackgroundSyncAction.java
View File

@ -37,6 +37,7 @@ import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.ThreadContext;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.IndexShardClosedException;
import org.elasticsearch.index.shard.ShardId;
@ -119,19 +120,21 @@ public class RetentionLeaseBackgroundSyncAction extends TransportReplicationActi
}
@Override
protected PrimaryResult<Request, ReplicationResponse> shardOperationOnPrimary(final Request request, final IndexShard primary) {
protected PrimaryResult<Request, ReplicationResponse> shardOperationOnPrimary(
final Request request,
final IndexShard primary) throws WriteStateException {
Objects.requireNonNull(request);
Objects.requireNonNull(primary);
primary.afterWriteOperation();
primary.persistRetentionLeases();
return new PrimaryResult<>(request, new ReplicationResponse());
}
@Override
protected ReplicaResult shardOperationOnReplica(final Request request, final IndexShard replica){
protected ReplicaResult shardOperationOnReplica(final Request request, final IndexShard replica) throws WriteStateException {
Objects.requireNonNull(request);
Objects.requireNonNull(replica);
replica.updateRetentionLeasesOnReplica(request.getRetentionLeases());
replica.afterWriteOperation();
replica.persistRetentionLeases();
return new ReplicaResult();
}

23
server/src/main/java/org/elasticsearch/index/seqno/RetentionLeaseSyncAction.java
View File

@ -25,7 +25,6 @@ import org.apache.logging.log4j.message.ParameterizedMessage;
import org.apache.lucene.store.AlreadyClosedException;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.flush.FlushRequest;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.WriteResponse;
import org.elasticsearch.action.support.replication.ReplicatedWriteRequest;
@ -39,6 +38,7 @@ import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.ThreadContext;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.IndexShardClosedException;
import org.elasticsearch.index.shard.ShardId;
@ -121,31 +121,26 @@ public class RetentionLeaseSyncAction extends
}
@Override
protected WritePrimaryResult<Request, Response> shardOperationOnPrimary(final Request request, final IndexShard primary) {
protected WritePrimaryResult<Request, Response> shardOperationOnPrimary(
final Request request,
final IndexShard primary) throws WriteStateException {
Objects.requireNonNull(request);
Objects.requireNonNull(primary);
// we flush to ensure that retention leases are committed
flush(primary);
primary.persistRetentionLeases();
return new WritePrimaryResult<>(request, new Response(), null, null, primary, logger);
}
@Override
protected WriteReplicaResult<Request> shardOperationOnReplica(final Request request, final IndexShard replica) {
protected WriteReplicaResult<Request> shardOperationOnReplica(
final Request request,
final IndexShard replica) throws WriteStateException {
Objects.requireNonNull(request);
Objects.requireNonNull(replica);
replica.updateRetentionLeasesOnReplica(request.getRetentionLeases());
// we flush to ensure that retention leases are committed
flush(replica);
replica.persistRetentionLeases();
return new WriteReplicaResult<>(request, null, null, replica, logger);
}
private void flush(final IndexShard indexShard) {
final FlushRequest flushRequest = new FlushRequest();
flushRequest.force(true);
flushRequest.waitIfOngoing(true);
indexShard.flush(flushRequest);
}
public static final class Request extends ReplicatedWriteRequest<Request> {
private RetentionLeases retentionLeases;

109
server/src/main/java/org/elasticsearch/index/seqno/RetentionLeases.java
View File

@ -19,15 +19,20 @@
package org.elasticsearch.index.seqno;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ConstructingObjectParser;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.gateway.MetaDataStateFormat;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Locale;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
@ -37,7 +42,7 @@ import java.util.stream.Collectors;
* Represents a versioned collection of retention leases. We version the collection of retention leases to ensure that sync requests that
* arrive out of order on the replica, using the version to ensure that older sync requests are rejected.
*/
public class RetentionLeases implements Writeable {
public class RetentionLeases implements ToXContent, Writeable {
private final long primaryTerm;
@ -157,54 +162,59 @@ public class RetentionLeases implements Writeable {
out.writeCollection(leases.values());
}
/**
* Encodes a retention lease collection as a string. This encoding can be decoded by
* {@link RetentionLeases#decodeRetentionLeases(String)}. The encoding is a comma-separated encoding of each retention lease as encoded
* by {@link RetentionLease#encodeRetentionLease(RetentionLease)}, prefixed by the version of the retention lease collection.
*
* @param retentionLeases the retention lease collection
* @return the encoding of the retention lease collection
*/
public static String encodeRetentionLeases(final RetentionLeases retentionLeases) {
Objects.requireNonNull(retentionLeases);
return String.format(
Locale.ROOT,
"primary_term:%d;version:%d;%s",
retentionLeases.primaryTerm,
retentionLeases.version,
retentionLeases.leases.values().stream().map(RetentionLease::encodeRetentionLease).collect(Collectors.joining(",")));
private static final ParseField PRIMARY_TERM_FIELD = new ParseField("primary_term");
private static final ParseField VERSION_FIELD = new ParseField("version");
private static final ParseField LEASES_FIELD = new ParseField("leases");
@SuppressWarnings("unchecked")
private static ConstructingObjectParser<RetentionLeases, Void> PARSER = new ConstructingObjectParser<>(
"retention_leases",
(a) -> new RetentionLeases((Long) a[0], (Long) a[1], (Collection<RetentionLease>) a[2]));
static {
PARSER.declareLong(ConstructingObjectParser.constructorArg(), PRIMARY_TERM_FIELD);
PARSER.declareLong(ConstructingObjectParser.constructorArg(), VERSION_FIELD);
PARSER.declareObjectArray(ConstructingObjectParser.constructorArg(), (p, c) -> RetentionLease.fromXContent(p), LEASES_FIELD);
}
@Override
public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException {
builder.field(PRIMARY_TERM_FIELD.getPreferredName(), primaryTerm);
builder.field(VERSION_FIELD.getPreferredName(), version);
builder.startArray(LEASES_FIELD.getPreferredName());
{
for (final RetentionLease retentionLease : leases.values()) {
retentionLease.toXContent(builder, params);
}
}
builder.endArray();
return builder;
}
/**
* Decodes retention leases encoded by {@link #encodeRetentionLeases(RetentionLeases)}.
* Parses a retention leases collection from {@link org.elasticsearch.common.xcontent.XContent}. This method assumes that the retention
* leases were converted to {@link org.elasticsearch.common.xcontent.XContent} via {@link #toXContent(XContentBuilder, Params)}.
*
* @param encodedRetentionLeases an encoded retention lease collection
* @return the decoded retention lease collection
* @param parser the parser
* @return a retention leases collection
*/
public static RetentionLeases decodeRetentionLeases(final String encodedRetentionLeases) {
Objects.requireNonNull(encodedRetentionLeases);
if (encodedRetentionLeases.isEmpty()) {
return EMPTY;
}
assert encodedRetentionLeases.matches("primary_term:\\d+;version:\\d+;.*") : encodedRetentionLeases;
final int firstSemicolon = encodedRetentionLeases.indexOf(";");
final long primaryTerm = Long.parseLong(encodedRetentionLeases.substring("primary_term:".length(), firstSemicolon));
final int secondSemicolon = encodedRetentionLeases.indexOf(";", firstSemicolon + 1);
final long version = Long.parseLong(encodedRetentionLeases.substring(firstSemicolon + 1 + "version:".length(), secondSemicolon));
final Collection<RetentionLease> leases;
if (secondSemicolon + 1 == encodedRetentionLeases.length()) {
leases = Collections.emptyList();
} else {
assert Arrays.stream(encodedRetentionLeases.substring(secondSemicolon + 1).split(","))
.allMatch(s -> s.matches("id:[^:;,]+;retaining_seq_no:\\d+;timestamp:\\d+;source:[^:;,]+"))
: encodedRetentionLeases;
leases = Arrays.stream(encodedRetentionLeases.substring(secondSemicolon + 1).split(","))
.map(RetentionLease::decodeRetentionLease)
.collect(Collectors.toList());
public static RetentionLeases fromXContent(final XContentParser parser) {
return PARSER.apply(parser, null);
}
static final MetaDataStateFormat<RetentionLeases> FORMAT = new MetaDataStateFormat<RetentionLeases>("retention-leases-") {
@Override
public void toXContent(final XContentBuilder builder, final RetentionLeases retentionLeases) throws IOException {
retentionLeases.toXContent(builder, ToXContent.EMPTY_PARAMS);
}
return new RetentionLeases(primaryTerm, version, leases);
}
@Override
public RetentionLeases fromXContent(final XContentParser parser) {
return RetentionLeases.fromXContent(parser);
}
};
@Override
public boolean equals(Object o) {
@ -237,7 +247,16 @@ public class RetentionLeases implements Writeable {
* @return the map from retention lease ID to retention lease
*/
private static Map<String, RetentionLease> toMap(final Collection<RetentionLease> leases) {
return leases.stream().collect(Collectors.toMap(RetentionLease::id, Function.identity()));
// use a linked hash map to preserve order
return leases.stream()
.collect(Collectors.toMap(
RetentionLease::id,
Function.identity(),
(left, right) -> {
assert left.id().equals(right.id()) : "expected [" + left.id() + "] to equal [" + right.id() + "]";
throw new IllegalStateException("duplicate retention lease ID [" + left.id() + "]");
},
LinkedHashMap::new));
}
/**

32
server/src/main/java/org/elasticsearch/index/shard/IndexShard.java
View File

@ -67,6 +67,7 @@ import org.elasticsearch.common.util.concurrent.AsyncIOProcessor;
import org.elasticsearch.common.util.concurrent.RunOnce;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.core.internal.io.IOUtils;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexModule;
import org.elasticsearch.index.IndexNotFoundException;
@ -1432,7 +1433,7 @@ public class IndexShard extends AbstractIndexShardComponent implements IndicesCl
final String translogUUID = store.readLastCommittedSegmentsInfo().getUserData().get(Translog.TRANSLOG_UUID_KEY);
final long globalCheckpoint = Translog.readGlobalCheckpoint(translogConfig.getTranslogPath(), translogUUID);
replicationTracker.updateGlobalCheckpointOnReplica(globalCheckpoint, "read from translog checkpoint");
replicationTracker.updateRetentionLeasesOnReplica(getRetentionLeases(store.readLastCommittedSegmentsInfo()));
updateRetentionLeasesOnReplica(loadRetentionLeases());
trimUnsafeCommits();
synchronized (mutex) {
verifyNotClosed();
@ -1452,14 +1453,6 @@ public class IndexShard extends AbstractIndexShardComponent implements IndicesCl
assert recoveryState.getStage() == RecoveryState.Stage.TRANSLOG : "TRANSLOG stage expected but was: " + recoveryState.getStage();
}
static RetentionLeases getRetentionLeases(final SegmentInfos segmentInfos) {
final String committedRetentionLeases = segmentInfos.getUserData().get(Engine.RETENTION_LEASES);
if (committedRetentionLeases == null) {
return RetentionLeases.EMPTY;
}
return RetentionLeases.decodeRetentionLeases(committedRetentionLeases);
}
private void trimUnsafeCommits() throws IOException {
assert currentEngineReference.get() == null || currentEngineReference.get() instanceof ReadOnlyEngine : "a write engine is running";
final String translogUUID = store.readLastCommittedSegmentsInfo().getUserData().get(Translog.TRANSLOG_UUID_KEY);
@ -2004,6 +1997,27 @@ public class IndexShard extends AbstractIndexShardComponent implements IndicesCl
replicationTracker.updateRetentionLeasesOnReplica(retentionLeases);
}
/**
* Loads the latest retention leases from their dedicated state file.
*
* @return the retention leases
* @throws IOException if an I/O exception occurs reading the retention leases
*/
public RetentionLeases loadRetentionLeases() throws IOException {
verifyNotClosed();
return replicationTracker.loadRetentionLeases(path.getShardStatePath());
}
/**
* Persists the current retention leases to their dedicated state file.
*
* @throws WriteStateException if an exception occurs writing the state file
*/
public void persistRetentionLeases() throws WriteStateException {
verifyNotClosed();
replicationTracker.persistRetentionLeases(path.getShardStatePath());
}
/**
* Syncs the current retention leases to all replicas.
*/

9
server/src/main/java/org/elasticsearch/index/store/Store.java
View File

@ -1548,13 +1548,6 @@ public class Store extends AbstractIndexShardComponent implements Closeable, Ref
+ translogUUID + "]");
}
if (startingIndexCommit.equals(lastIndexCommitCommit) == false) {
/*
* Unlike other commit tags, the retention-leases tag is not restored when an engine is
* recovered from translog. We need to manually copy it from the last commit to the safe commit;
* otherwise we might lose the latest committed retention leases when re-opening an engine.
*/
final Map<String, String> userData = new HashMap<>(startingIndexCommit.getUserData());
userData.put(Engine.RETENTION_LEASES, lastIndexCommitCommit.getUserData().getOrDefault(Engine.RETENTION_LEASES, ""));
try (IndexWriter writer = newAppendingIndexWriter(directory, startingIndexCommit)) {
// this achieves two things:
// - by committing a new commit based on the starting commit, it make sure the starting commit will be opened
@ -1565,7 +1558,7 @@ public class Store extends AbstractIndexShardComponent implements Closeable, Ref
// The new commit will use segment files from the starting commit but userData from the last commit by default.
// Thus, we need to manually set the userData from the starting commit to the new commit.
writer.setLiveCommitData(userData.entrySet());
writer.setLiveCommitData(startingIndexCommit.getUserData().entrySet());
writer.commit();
}
}

1
server/src/main/java/org/elasticsearch/indices/recovery/RecoveryTarget.java
View File

@ -307,6 +307,7 @@ public class RecoveryTarget extends AbstractRefCounted implements RecoveryTarget
indexShard.updateGlobalCheckpointOnReplica(globalCheckpoint, "finalizing recovery");
// Persist the global checkpoint.
indexShard.sync();
indexShard.persistRetentionLeases();
indexShard.finalizeRecovery();
return null;
});

10
server/src/test/java/org/elasticsearch/index/engine/InternalEngineTests.java
View File

@ -5361,16 +5361,6 @@ public class InternalEngineTests extends EngineTestCase {
engine.flush(true, true);
assertThat(Long.parseLong(engine.getLastCommittedSegmentInfos().userData.get(Engine.MIN_RETAINED_SEQNO)),
equalTo(engine.getMinRetainedSeqNo()));
final RetentionLeases leases = retentionLeasesHolder.get();
if (leases.leases().isEmpty()) {
assertThat(
engine.getLastCommittedSegmentInfos().getUserData().get(Engine.RETENTION_LEASES),
equalTo("primary_term:" + primaryTerm + ";version:" + retentionLeasesVersion.get() + ";"));
} else {
assertThat(
engine.getLastCommittedSegmentInfos().getUserData().get(Engine.RETENTION_LEASES),
equalTo(RetentionLeases.encodeRetentionLeases(leases)));
}
}
if (rarely()) {
engine.forceMerge(randomBoolean());

26
server/src/test/java/org/elasticsearch/index/engine/SoftDeletesPolicyTests.java
View File

@ -37,8 +37,6 @@ import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Supplier;
import static org.elasticsearch.index.seqno.SequenceNumbers.NO_OPS_PERFORMED;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
@ -121,30 +119,6 @@ public class SoftDeletesPolicyTests extends ESTestCase {
assertThat(policy.getMinRetainedSeqNo(), equalTo(minRetainedSeqNo));
}
public void testAlwaysFetchLatestRetentionLeases() {
final AtomicLong globalCheckpoint = new AtomicLong(NO_OPS_PERFORMED);
final Collection<RetentionLease> leases = new ArrayList<>();
final int numLeases = randomIntBetween(0, 10);
for (int i = 0; i < numLeases; i++) {
leases.add(new RetentionLease(Integer.toString(i), randomLongBetween(0, 1000), randomNonNegativeLong(), "test"));
}
final Supplier<RetentionLeases> leasesSupplier =
() -> new RetentionLeases(
randomNonNegativeLong(),
randomNonNegativeLong(),
Collections.unmodifiableCollection(new ArrayList<>(leases)));
final SoftDeletesPolicy policy =
new SoftDeletesPolicy(globalCheckpoint::get, randomIntBetween(1, 1000), randomIntBetween(0, 1000), leasesSupplier);
if (randomBoolean()) {
policy.acquireRetentionLock();
}
if (numLeases == 0) {
assertThat(policy.getRetentionPolicy().v2().leases(), empty());
} else {
assertThat(policy.getRetentionPolicy().v2().leases(), contains(leases.toArray(new RetentionLease[0])));
}
}
public void testWhenGlobalCheckpointDictatesThePolicy() {
final int retentionOperations = randomIntBetween(0, 1024);
final AtomicLong globalCheckpoint = new AtomicLong(randomLongBetween(0, Long.MAX_VALUE - 2));

108
server/src/test/java/org/elasticsearch/index/seqno/ReplicationTrackerRetentionLeaseTests.java
View File

@ -24,16 +24,21 @@ import org.elasticsearch.cluster.routing.AllocationId;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.test.IndexSettingsModule;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
@ -460,6 +465,109 @@ public class ReplicationTrackerRetentionLeaseTests extends ReplicationTrackerTes
}
}
public void testLoadAndPersistRetentionLeases() throws IOException {
final AllocationId allocationId = AllocationId.newInitializing();
long primaryTerm = randomLongBetween(1, Long.MAX_VALUE);
final ReplicationTracker replicationTracker = new ReplicationTracker(
new ShardId("test", "_na", 0),
allocationId.getId(),
IndexSettingsModule.newIndexSettings("test", Settings.EMPTY),
primaryTerm,
UNASSIGNED_SEQ_NO,
value -> {},
() -> 0L,
(leases, listener) -> {});
replicationTracker.updateFromMaster(
randomNonNegativeLong(),
Collections.singleton(allocationId.getId()),
routingTable(Collections.emptySet(), allocationId),
Collections.emptySet());
replicationTracker.activatePrimaryMode(SequenceNumbers.NO_OPS_PERFORMED);
final int length = randomIntBetween(0, 8);
for (int i = 0; i < length; i++) {
if (rarely() && primaryTerm < Long.MAX_VALUE) {
primaryTerm = randomLongBetween(primaryTerm + 1, Long.MAX_VALUE);
replicationTracker.setOperationPrimaryTerm(primaryTerm);
}
final long retainingSequenceNumber = randomLongBetween(SequenceNumbers.NO_OPS_PERFORMED, Long.MAX_VALUE);
replicationTracker.addRetentionLease(
Integer.toString(i), retainingSequenceNumber, "test-" + i, ActionListener.wrap(() -> {}));
}
final Path path = createTempDir();
replicationTracker.persistRetentionLeases(path);
assertThat(replicationTracker.loadRetentionLeases(path), equalTo(replicationTracker.getRetentionLeases()));
}
/**
* Test that we correctly synchronize writing the retention lease state file in {@link ReplicationTracker#persistRetentionLeases(Path)}.
* This test can fail without the synchronization block in that method.
*
* @throws IOException if an I/O exception occurs loading the retention lease state file
*/
public void testPersistRetentionLeasesUnderConcurrency() throws IOException {
final AllocationId allocationId = AllocationId.newInitializing();
long primaryTerm = randomLongBetween(1, Long.MAX_VALUE);
final ReplicationTracker replicationTracker = new ReplicationTracker(
new ShardId("test", "_na", 0),
allocationId.getId(),
IndexSettingsModule.newIndexSettings("test", Settings.EMPTY),
primaryTerm,
UNASSIGNED_SEQ_NO,
value -> {},
() -> 0L,
(leases, listener) -> {});
replicationTracker.updateFromMaster(
randomNonNegativeLong(),
Collections.singleton(allocationId.getId()),
routingTable(Collections.emptySet(), allocationId),
Collections.emptySet());
replicationTracker.activatePrimaryMode(SequenceNumbers.NO_OPS_PERFORMED);
final int length = randomIntBetween(0, 8);
for (int i = 0; i < length; i++) {
if (rarely() && primaryTerm < Long.MAX_VALUE) {
primaryTerm = randomLongBetween(primaryTerm + 1, Long.MAX_VALUE);
replicationTracker.setOperationPrimaryTerm(primaryTerm);
}
final long retainingSequenceNumber = randomLongBetween(SequenceNumbers.NO_OPS_PERFORMED, Long.MAX_VALUE);
replicationTracker.addRetentionLease(
Integer.toString(i), retainingSequenceNumber, "test-" + i, ActionListener.wrap(() -> {}));
}
final Path path = createTempDir();
final int numberOfThreads = randomIntBetween(1, 2 * Runtime.getRuntime().availableProcessors());
final CyclicBarrier barrier = new CyclicBarrier(1 + numberOfThreads);
final Thread[] threads = new Thread[numberOfThreads];
for (int i = 0; i < numberOfThreads; i++) {
final String id = Integer.toString(length + i);
threads[i] = new Thread(() -> {
try {
barrier.await();
final long retainingSequenceNumber = randomLongBetween(SequenceNumbers.NO_OPS_PERFORMED, Long.MAX_VALUE);
replicationTracker.addRetentionLease(id, retainingSequenceNumber, "test-" + id, ActionListener.wrap(() -> {}));
replicationTracker.persistRetentionLeases(path);
barrier.await();
} catch (final BrokenBarrierException | InterruptedException | WriteStateException e) {
throw new AssertionError(e);
}
});
threads[i].start();
}
try {
// synchronize the threads invoking ReplicationTracker#persistRetentionLeases(Path path)
barrier.await();
// wait for all the threads to finish
barrier.await();
for (int i = 0; i < numberOfThreads; i++) {
threads[i].join();
}
} catch (final BrokenBarrierException | InterruptedException e) {
throw new AssertionError(e);
}
assertThat(replicationTracker.loadRetentionLeases(path), equalTo(replicationTracker.getRetentionLeases()));
}
private void assertRetentionLeases(
final ReplicationTracker replicationTracker,
final int size,

13
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeaseBackgroundSyncActionTests.java
View File

@ -30,6 +30,7 @@ import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.core.internal.io.IOUtils;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
@ -91,7 +92,7 @@ public class RetentionLeaseBackgroundSyncActionTests extends ESTestCase {
super.tearDown();
}
public void testRetentionLeaseBackgroundSyncActionOnPrimary() {
public void testRetentionLeaseBackgroundSyncActionOnPrimary() throws WriteStateException {
final IndicesService indicesService = mock(IndicesService.class);
final Index index = new Index("index", "uuid");
@ -120,13 +121,13 @@ public class RetentionLeaseBackgroundSyncActionTests extends ESTestCase {
final ReplicationOperation.PrimaryResult<RetentionLeaseBackgroundSyncAction.Request> result =
action.shardOperationOnPrimary(request, indexShard);
// the retention leases on the shard should be periodically flushed
verify(indexShard).afterWriteOperation();
// the retention leases on the shard should be persisted
verify(indexShard).persistRetentionLeases();
// we should forward the request containing the current retention leases to the replica
assertThat(result.replicaRequest(), sameInstance(request));
}
public void testRetentionLeaseBackgroundSyncActionOnReplica() {
public void testRetentionLeaseBackgroundSyncActionOnReplica() throws WriteStateException {
final IndicesService indicesService = mock(IndicesService.class);
final Index index = new Index("index", "uuid");
@ -156,8 +157,8 @@ public class RetentionLeaseBackgroundSyncActionTests extends ESTestCase {
final TransportReplicationAction.ReplicaResult result = action.shardOperationOnReplica(request, indexShard);
// the retention leases on the shard should be updated
verify(indexShard).updateRetentionLeasesOnReplica(retentionLeases);
// the retention leases on the shard should be periodically flushed
verify(indexShard).afterWriteOperation();
// the retention leases on the shard should be persisted
verify(indexShard).persistRetentionLeases();
// the result should indicate success
final AtomicBoolean success = new AtomicBoolean();
result.respond(ActionListener.wrap(r -> success.set(true), e -> fail(e.toString())));

29
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeaseIT.java
View File

@ -28,7 +28,6 @@ import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.IndicesService;
@ -103,10 +102,8 @@ public class RetentionLeaseIT extends ESIntegTestCase {
latch.await();
retentionLock.close();
// check retention leases have been committed on the primary
final RetentionLeases primaryCommittedRetentionLeases = RetentionLeases.decodeRetentionLeases(
primary.commitStats().getUserData().get(Engine.RETENTION_LEASES));
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(primaryCommittedRetentionLeases)));
// check retention leases have been written on the primary
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(primary.loadRetentionLeases())));
// check current retention leases have been synced to all replicas
for (final ShardRouting replicaShard : clusterService().state().routingTable().index("index").shard(0).replicaShards()) {
@ -118,10 +115,8 @@ public class RetentionLeaseIT extends ESIntegTestCase {
final Map<String, RetentionLease> retentionLeasesOnReplica = RetentionLeases.toMap(replica.getRetentionLeases());
assertThat(retentionLeasesOnReplica, equalTo(currentRetentionLeases));
// check retention leases have been committed on the replica
final RetentionLeases replicaCommittedRetentionLeases = RetentionLeases.decodeRetentionLeases(
replica.commitStats().getUserData().get(Engine.RETENTION_LEASES));
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(replicaCommittedRetentionLeases)));
// check retention leases have been written on the replica
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(replica.loadRetentionLeases())));
}
}
}
@ -165,10 +160,8 @@ public class RetentionLeaseIT extends ESIntegTestCase {
latch.await();
retentionLock.close();
// check retention leases have been committed on the primary
final RetentionLeases primaryCommittedRetentionLeases = RetentionLeases.decodeRetentionLeases(
primary.commitStats().getUserData().get(Engine.RETENTION_LEASES));
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(primaryCommittedRetentionLeases)));
// check retention leases have been written on the primary
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(primary.loadRetentionLeases())));
// check current retention leases have been synced to all replicas
for (final ShardRouting replicaShard : clusterService().state().routingTable().index("index").shard(0).replicaShards()) {
@ -180,10 +173,8 @@ public class RetentionLeaseIT extends ESIntegTestCase {
final Map<String, RetentionLease> retentionLeasesOnReplica = RetentionLeases.toMap(replica.getRetentionLeases());
assertThat(retentionLeasesOnReplica, equalTo(currentRetentionLeases));
// check retention leases have been committed on the replica
final RetentionLeases replicaCommittedRetentionLeases = RetentionLeases.decodeRetentionLeases(
replica.commitStats().getUserData().get(Engine.RETENTION_LEASES));
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(replicaCommittedRetentionLeases)));
// check retention leases have been written on the replica
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(replica.loadRetentionLeases())));
}
}
}
@ -322,7 +313,6 @@ public class RetentionLeaseIT extends ESIntegTestCase {
}
}
@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/38588")
public void testRetentionLeasesSyncOnRecovery() throws Exception {
final int numberOfReplicas = 2 - scaledRandomIntBetween(0, 2);
internalCluster().ensureAtLeastNumDataNodes(1 + numberOfReplicas);
@ -378,6 +368,9 @@ public class RetentionLeaseIT extends ESIntegTestCase {
.getShardOrNull(new ShardId(resolveIndex("index"), 0));
final Map<String, RetentionLease> retentionLeasesOnReplica = RetentionLeases.toMap(replica.getRetentionLeases());
assertThat(retentionLeasesOnReplica, equalTo(currentRetentionLeases));
// check retention leases have been written on the replica; see RecoveryTarget#finalizeRecovery
assertThat(currentRetentionLeases, equalTo(RetentionLeases.toMap(replica.loadRetentionLeases())));
}
}

20
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeaseSyncActionTests.java
View File

@ -21,7 +21,6 @@ import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.message.ParameterizedMessage;
import org.apache.lucene.store.AlreadyClosedException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.flush.FlushRequest;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.replication.TransportWriteAction;
import org.elasticsearch.cluster.action.shard.ShardStateAction;
@ -29,6 +28,7 @@ import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.core.internal.io.IOUtils;
import org.elasticsearch.gateway.WriteStateException;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
@ -90,7 +90,7 @@ public class RetentionLeaseSyncActionTests extends ESTestCase {
super.tearDown();
}
public void testRetentionLeaseSyncActionOnPrimary() {
public void testRetentionLeaseSyncActionOnPrimary() throws WriteStateException {
final IndicesService indicesService = mock(IndicesService.class);
final Index index = new Index("index", "uuid");
@ -118,18 +118,15 @@ public class RetentionLeaseSyncActionTests extends ESTestCase {
final TransportWriteAction.WritePrimaryResult<RetentionLeaseSyncAction.Request, RetentionLeaseSyncAction.Response> result =
action.shardOperationOnPrimary(request, indexShard);
// the retention leases on the shard should be flushed
final ArgumentCaptor<FlushRequest> flushRequest = ArgumentCaptor.forClass(FlushRequest.class);
verify(indexShard).flush(flushRequest.capture());
assertTrue(flushRequest.getValue().force());
assertTrue(flushRequest.getValue().waitIfOngoing());
// the retention leases on the shard should be persisted
verify(indexShard).persistRetentionLeases();
// we should forward the request containing the current retention leases to the replica
assertThat(result.replicaRequest(), sameInstance(request));
// we should start with an empty replication response
assertNull(result.finalResponseIfSuccessful.getShardInfo());
}
public void testRetentionLeaseSyncActionOnReplica() {
public void testRetentionLeaseSyncActionOnReplica() throws WriteStateException {
final IndicesService indicesService = mock(IndicesService.class);
final Index index = new Index("index", "uuid");
@ -159,11 +156,8 @@ public class RetentionLeaseSyncActionTests extends ESTestCase {
action.shardOperationOnReplica(request, indexShard);
// the retention leases on the shard should be updated
verify(indexShard).updateRetentionLeasesOnReplica(retentionLeases);
// the retention leases on the shard should be flushed
final ArgumentCaptor<FlushRequest> flushRequest = ArgumentCaptor.forClass(FlushRequest.class);
verify(indexShard).flush(flushRequest.capture());
assertTrue(flushRequest.getValue().force());
assertTrue(flushRequest.getValue().waitIfOngoing());
// the retention leases on the shard should be persisteed
verify(indexShard).persistRetentionLeases();
// the result should indicate success
final AtomicBoolean success = new AtomicBoolean();
result.respond(ActionListener.wrap(r -> success.set(true), e -> fail(e.toString())));

25
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeaseTests.java
View File

@ -31,14 +31,6 @@ import static org.hamcrest.Matchers.hasToString;
public class RetentionLeaseTests extends ESTestCase {
public void testInvalidId() {
final String id = "id" + randomFrom(":", ";", ",");
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> new RetentionLease(id, randomNonNegativeLong(), randomNonNegativeLong(), "source"));
assertThat(e, hasToString(containsString("retention lease ID can not contain any of [:;,] but was [" + id + "]")));
}
public void testEmptyId() {
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
@ -64,14 +56,6 @@ public class RetentionLeaseTests extends ESTestCase {
assertThat(e, hasToString(containsString("retention lease timestamp [" + timestamp + "] out of range")));
}
public void testInvalidSource() {
final String source = "source" + randomFrom(":", ";", ",");
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
() -> new RetentionLease("id", randomNonNegativeLong(), randomNonNegativeLong(), source));
assertThat(e, hasToString(containsString("retention lease source can not contain any of [:;,] but was [" + source + "]")));
}
public void testEmptySource() {
final IllegalArgumentException e = expectThrows(
IllegalArgumentException.class,
@ -93,13 +77,4 @@ public class RetentionLeaseTests extends ESTestCase {
}
}
public void testRetentionLeaseEncoding() {
final String id = randomAlphaOfLength(8);
final long retainingSequenceNumber = randomNonNegativeLong();
final long timestamp = randomNonNegativeLong();
final String source = randomAlphaOfLength(8);
final RetentionLease retentionLease = new RetentionLease(id, retainingSequenceNumber, timestamp, source);
assertThat(RetentionLease.decodeRetentionLease(RetentionLease.encodeRetentionLease(retentionLease)), equalTo(retentionLease));
}
}

48
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeaseXContentTests.java Normal file
View File

@ -0,0 +1,48 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.seqno;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.test.AbstractXContentTestCase;
import java.io.IOException;
public class RetentionLeaseXContentTests extends AbstractXContentTestCase<RetentionLease> {
@Override
protected RetentionLease createTestInstance() {
final String id = randomAlphaOfLength(8);
final long retainingSequenceNumber = randomNonNegativeLong();
final long timestamp = randomNonNegativeLong();
final String source = randomAlphaOfLength(8);
return new RetentionLease(id, retainingSequenceNumber, timestamp, source);
}
@Override
protected RetentionLease doParseInstance(final XContentParser parser) throws IOException {
return RetentionLease.fromXContent(parser);
}
@Override
protected boolean supportsUnknownFields() {
return false;
}
}

75
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeasesTests.java
View File

@ -19,13 +19,18 @@
package org.elasticsearch.index.seqno;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.equalTo;
@ -49,30 +54,6 @@ public class RetentionLeasesTests extends ESTestCase {
assertThat(e, hasToString(containsString("version must be non-negative but was [" + version + "]")));
}
public void testRetentionLeasesEncoding() {
final long primaryTerm = randomNonNegativeLong();
final long version = randomNonNegativeLong();
final int length = randomIntBetween(0, 8);
final List<RetentionLease> retentionLeases = new ArrayList<>(length);
for (int i = 0; i < length; i++) {
final String id = randomAlphaOfLength(8);
final long retainingSequenceNumber = randomNonNegativeLong();
final long timestamp = randomNonNegativeLong();
final String source = randomAlphaOfLength(8);
final RetentionLease retentionLease = new RetentionLease(id, retainingSequenceNumber, timestamp, source);
retentionLeases.add(retentionLease);
}
final RetentionLeases decodedRetentionLeases =
RetentionLeases.decodeRetentionLeases(
RetentionLeases.encodeRetentionLeases(new RetentionLeases(primaryTerm, version, retentionLeases)));
assertThat(decodedRetentionLeases.version(), equalTo(version));
if (length == 0) {
assertThat(decodedRetentionLeases.leases(), empty());
} else {
assertThat(decodedRetentionLeases.leases(), containsInAnyOrder(retentionLeases.toArray(new RetentionLease[0])));
}
}
public void testSupersedesByPrimaryTerm() {
final long lowerPrimaryTerm = randomLongBetween(1, Long.MAX_VALUE);
final RetentionLeases left = new RetentionLeases(lowerPrimaryTerm, randomLongBetween(1, Long.MAX_VALUE), Collections.emptyList());
@ -92,4 +73,48 @@ public class RetentionLeasesTests extends ESTestCase {
assertFalse(left.supersedes(right));
}
public void testRetentionLeasesRejectsDuplicates() {
final RetentionLeases retentionLeases = randomRetentionLeases(false);
final RetentionLease retentionLease = randomFrom(retentionLeases.leases());
final IllegalStateException e = expectThrows(
IllegalStateException.class,
() -> new RetentionLeases(
retentionLeases.primaryTerm(),
retentionLeases.version(),
Stream.concat(retentionLeases.leases().stream(), Stream.of(retentionLease)).collect(Collectors.toList())));
assertThat(e, hasToString(containsString("duplicate retention lease ID [" + retentionLease.id() + "]")));
}
public void testLeasesPreservesIterationOrder() {
final RetentionLeases retentionLeases = randomRetentionLeases(true);
if (retentionLeases.leases().isEmpty()) {
assertThat(retentionLeases.leases(), empty());
} else {
assertThat(retentionLeases.leases(), contains(retentionLeases.leases().toArray(new RetentionLease[0])));
}
}
public void testRetentionLeasesMetaDataStateFormat() throws IOException {
final Path path = createTempDir();
final RetentionLeases retentionLeases = randomRetentionLeases(true);
RetentionLeases.FORMAT.writeAndCleanup(retentionLeases, path);
assertThat(RetentionLeases.FORMAT.loadLatestState(logger, NamedXContentRegistry.EMPTY, path), equalTo(retentionLeases));
}
private RetentionLeases randomRetentionLeases(boolean allowEmpty) {
final long primaryTerm = randomNonNegativeLong();
final long version = randomNonNegativeLong();
final int length = randomIntBetween(allowEmpty ? 0 : 1, 8);
final List<RetentionLease> leases = new ArrayList<>(length);
for (int i = 0; i < length; i++) {
final String id = randomAlphaOfLength(8);
final long retainingSequenceNumber = randomNonNegativeLong();
final long timestamp = randomNonNegativeLong();
final String source = randomAlphaOfLength(8);
final RetentionLease retentionLease = new RetentionLease(id, retainingSequenceNumber, timestamp, source);
leases.add(retentionLease);
}
return new RetentionLeases(primaryTerm, version, leases);
}
}

58
server/src/test/java/org/elasticsearch/index/seqno/RetentionLeasesXContentTests.java Normal file
View File

@ -0,0 +1,58 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.seqno;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.test.AbstractXContentTestCase;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class RetentionLeasesXContentTests extends AbstractXContentTestCase<RetentionLeases> {
@Override
protected RetentionLeases createTestInstance() {
final long primaryTerm = randomNonNegativeLong();
final long version = randomNonNegativeLong();
final int length = randomIntBetween(0, 8);
final List<RetentionLease> leases = new ArrayList<>(length);
for (int i = 0; i < length; i++) {
final String id = randomAlphaOfLength(8);
final long retainingSequenceNumber = randomNonNegativeLong();
final long timestamp = randomNonNegativeLong();
final String source = randomAlphaOfLength(8);
final RetentionLease retentionLease = new RetentionLease(id, retainingSequenceNumber, timestamp, source);
leases.add(retentionLease);
}
return new RetentionLeases(primaryTerm, version, leases);
}
@Override
protected RetentionLeases doParseInstance(final XContentParser parser) throws IOException {
return RetentionLeases.fromXContent(parser);
}
@Override
protected boolean supportsUnknownFields() {
return false;
}
}

101
server/src/test/java/org/elasticsearch/index/shard/IndexShardRetentionLeaseTests.java
View File

@ -19,43 +19,30 @@
package org.elasticsearch.index.shard;
import org.apache.lucene.index.SegmentInfos;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.flush.FlushRequest;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.RecoverySource;
import org.elasticsearch.cluster.routing.ShardRoutingHelper;
import org.elasticsearch.cluster.routing.ShardRoutingState;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.engine.InternalEngine;
import org.elasticsearch.index.engine.InternalEngineFactory;
import org.elasticsearch.index.seqno.RetentionLease;
import org.elasticsearch.index.seqno.RetentionLeaseStats;
import org.elasticsearch.index.seqno.RetentionLeases;
import org.elasticsearch.index.seqno.SequenceNumbers;
import org.elasticsearch.indices.recovery.RecoveryState;
import org.elasticsearch.threadpool.ThreadPool;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import static org.elasticsearch.cluster.routing.TestShardRouting.newShardRouting;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasItem;
@ -221,7 +208,7 @@ public class IndexShardRetentionLeaseTests extends IndexShardTestCase {
}
}
public void testCommit() throws IOException {
public void testPersistence() throws IOException {
final Settings settings = Settings.builder()
.put(IndexSettings.INDEX_SOFT_DELETES_SETTING.getKey(), true)
.put(IndexSettings.INDEX_SOFT_DELETES_RETENTION_LEASE_SETTING.getKey(), Long.MAX_VALUE, TimeUnit.NANOSECONDS)
@ -242,19 +229,17 @@ public class IndexShardRetentionLeaseTests extends IndexShardTestCase {
currentTimeMillis.set(TimeUnit.NANOSECONDS.toMillis(Long.MAX_VALUE));
// force a commit
indexShard.flush(new FlushRequest().force(true));
// force the retention leases to persist
indexShard.persistRetentionLeases();
// the committed retention leases should equal our current retention leases
final SegmentInfos segmentCommitInfos = indexShard.store().readLastCommittedSegmentsInfo();
assertTrue(segmentCommitInfos.getUserData().containsKey(Engine.RETENTION_LEASES));
// the written retention leases should equal our current retention leases
final RetentionLeases retentionLeases = indexShard.getEngine().config().retentionLeasesSupplier().get();
final RetentionLeases committedRetentionLeases = IndexShard.getRetentionLeases(segmentCommitInfos);
final RetentionLeases writtenRetentionLeases = indexShard.loadRetentionLeases();
if (retentionLeases.leases().isEmpty()) {
assertThat(committedRetentionLeases.version(), equalTo(0L));
assertThat(committedRetentionLeases.leases(), empty());
assertThat(writtenRetentionLeases.version(), equalTo(0L));
assertThat(writtenRetentionLeases.leases(), empty());
} else {
assertThat(committedRetentionLeases.version(), equalTo((long) length));
assertThat(writtenRetentionLeases.version(), equalTo((long) length));
assertThat(retentionLeases.leases(), contains(retentionLeases.leases().toArray(new RetentionLease[0])));
}
@ -304,76 +289,6 @@ public class IndexShardRetentionLeaseTests extends IndexShardTestCase {
}
}
public void testRecoverFromStoreReserveRetentionLeases() throws Exception {
final AtomicBoolean throwDuringRecoverFromTranslog = new AtomicBoolean();
final IndexShard shard = newStartedShard(false, Settings.builder().put("index.soft_deletes.enabled", true).build(),
config -> new InternalEngine(config) {
@Override
public InternalEngine recoverFromTranslog(TranslogRecoveryRunner translogRecoveryRunner,
long recoverUpToSeqNo) throws IOException {
if (throwDuringRecoverFromTranslog.get()) {
throw new RuntimeException("crashed before recover from translog is completed");
}
return super.recoverFromTranslog(translogRecoveryRunner, recoverUpToSeqNo);
}
});
final List<RetentionLease> leases = new ArrayList<>();
long version = randomLongBetween(0, 100);
long primaryTerm = randomLongBetween(1, 100);
final int iterations = randomIntBetween(1, 10);
for (int i = 0; i < iterations; i++) {
if (randomBoolean()) {
indexDoc(shard, "_doc", Integer.toString(i));
} else {
leases.add(new RetentionLease(Integer.toString(i), randomNonNegativeLong(),
randomLongBetween(Integer.MAX_VALUE, Long.MAX_VALUE), "test"));
}
if (randomBoolean()) {
if (randomBoolean()) {
version += randomLongBetween(1, 100);
primaryTerm += randomLongBetween(0, 100);
shard.updateRetentionLeasesOnReplica(new RetentionLeases(primaryTerm, version, leases));
shard.flush(new FlushRequest().force(true).waitIfOngoing(true));
}
}
if (randomBoolean()) {
shard.updateGlobalCheckpointOnReplica(randomLongBetween(shard.getGlobalCheckpoint(), shard.getLocalCheckpoint()), "test");
flushShard(shard);
}
}
version += randomLongBetween(1, 100);
primaryTerm += randomLongBetween(0, 100);
shard.updateRetentionLeasesOnReplica(new RetentionLeases(primaryTerm, version, leases));
shard.flush(new FlushRequest().force(true).waitIfOngoing(true));
closeShard(shard, false);
final IndexShard failedShard = reinitShard(shard, newShardRouting(shard.routingEntry().shardId(),
shard.routingEntry().currentNodeId(), true, ShardRoutingState.INITIALIZING,
RecoverySource.ExistingStoreRecoverySource.INSTANCE));
final DiscoveryNode localNode = new DiscoveryNode("foo", buildNewFakeTransportAddress(),
Collections.emptyMap(), Collections.emptySet(), Version.CURRENT);
failedShard.markAsRecovering("store", new RecoveryState(failedShard.routingEntry(), localNode, null));
throwDuringRecoverFromTranslog.set(true);
expectThrows(IndexShardRecoveryException.class, failedShard::recoverFromStore);
closeShards(failedShard);
final IndexShard newShard = reinitShard(shard, newShardRouting(shard.routingEntry().shardId(),
shard.routingEntry().currentNodeId(), true, ShardRoutingState.INITIALIZING,
RecoverySource.ExistingStoreRecoverySource.INSTANCE));
newShard.markAsRecovering("store", new RecoveryState(failedShard.routingEntry(), localNode, null));
throwDuringRecoverFromTranslog.set(false);
assertTrue(newShard.recoverFromStore());
final RetentionLeases retentionLeases = newShard.getRetentionLeases();
assertThat(retentionLeases.version(), equalTo(version));
assertThat(retentionLeases.primaryTerm(), equalTo(primaryTerm));
if (leases.isEmpty()) {
assertThat(retentionLeases.leases(), empty());
} else {
assertThat(retentionLeases.leases(), containsInAnyOrder(leases.toArray(new RetentionLease[0])));
}
closeShards(newShard);
}
private void assertRetentionLeases(
final IndexShard indexShard,
final int size,

1
x-pack/plugin/ilm/qa/multi-cluster/src/test/java/org/elasticsearch/xpack/indexlifecycle/CCRIndexLifecycleIT.java
View File

@ -278,7 +278,6 @@ public class CCRIndexLifecycleIT extends ESCCRRestTestCase {
}
}
@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/37165")
public void testUnfollowInjectedBeforeShrink() throws Exception {
final String indexName = "shrink-test";
final String shrunkenIndexName = "shrink-" + indexName;