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NIFI-1132: Limited number of Lineage Identifiers held to 100 and marked the getLineageIdentifiers() method as deprecated

This commit is contained in:
Mark Payne 2015-11-09 12:09:56 -05:00
parent 5f8fdae909
commit 73c1671975
5 changed files with 60 additions and 79 deletions
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7
nifi-api/src/main/java/org/apache/nifi/flowfile/FlowFile.java
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@ -64,7 +64,14 @@ public interface FlowFile extends Comparable<FlowFile> {
* @return a set of identifiers that are unique to this FlowFile's lineage.
* If FlowFile X is derived from FlowFile Y, both FlowFiles will have the
* same value for the Lineage Claim ID.
*
* @deprecated this collection was erroneously unbounded and caused a lot of OutOfMemoryError problems
* when dealing with FlowFiles with many ancestors. This Collection is
* now capped at 100 lineage identifiers. This method was introduced with the idea of providing
* future performance improvements but due to the high cost of heap consumption will not be used
* in such a manner. As a result, this method will be removed in a future release.
*/
@Deprecated
Set<String> getLineageIdentifiers();
/**

7
nifi-api/src/main/java/org/apache/nifi/provenance/ProvenanceEventRecord.java
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@ -51,7 +51,14 @@ public interface ProvenanceEventRecord {
/**
* @return the set of all lineage identifiers that are associated with the
* FlowFile for which this Event was created
*
* @deprecated this collection was erroneously unbounded and caused a lot of OutOfMemoryError problems
* when querying Provenance Events about FlowFiles with many ancestors. This Collection is
* now capped at 100 lineage identifiers. This method was introduced with the idea of providing
* future performance improvements but due to the high cost of heap consumption will not be used
* in such a manner. As a result, this method will be removed in a future release.
*/
@Deprecated
Set<String> getLineageIdentifiers();
/**

23
nifi-commons/nifi-data-provenance-utils/src/main/java/org/apache/nifi/provenance/StandardQueryResult.java
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@ -18,8 +18,12 @@ package org.apache.nifi.provenance;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
@ -40,7 +44,7 @@ public class StandardQueryResult implements QueryResult {
private final Lock writeLock = rwLock.writeLock();
// guarded by writeLock
private final List<ProvenanceEventRecord> matchingRecords = new ArrayList<>();
private final Set<ProvenanceEventRecord> matchingRecords = new TreeSet<>(new EventIdComparator());
private long totalHitCount;
private int numCompletedSteps = 0;
private Date expirationDate;
@ -66,8 +70,14 @@ public class StandardQueryResult implements QueryResult {
}
final List<ProvenanceEventRecord> copy = new ArrayList<>(query.getMaxResults());
for (int i = 0; i < query.getMaxResults(); i++) {
copy.add(matchingRecords.get(i));
int i = 0;
final Iterator<ProvenanceEventRecord> itr = matchingRecords.iterator();
while (itr.hasNext()) {
copy.add(itr.next());
if (++i >= query.getMaxResults()) {
break;
}
}
return copy;
@ -165,4 +175,11 @@ public class StandardQueryResult implements QueryResult {
private void updateExpiration() {
expirationDate = new Date(System.currentTimeMillis() + TTL);
}
private static class EventIdComparator implements Comparator<ProvenanceEventRecord> {
@Override
public int compare(final ProvenanceEventRecord o1, final ProvenanceEventRecord o2) {
return Long.compare(o2.getEventId(), o1.getEventId());
}
}
}

22
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/repository/StandardFlowFileRecord.java
View File

@ -25,24 +25,25 @@ import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.nifi.controller.repository.claim.ContentClaim;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.flowfile.attributes.CoreAttributes;
import org.apache.commons.lang3.builder.CompareToBuilder;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.apache.nifi.controller.repository.claim.ContentClaim;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.flowfile.attributes.CoreAttributes;
/**
* <p>
* A flow file is a logical notion of an item in a flow with its associated attributes and identity which can be used as a reference for its actual content.</p>
* A flow file is a logical notion of an item in a flow with its associated attributes and identity which can be used as a reference for its actual content.
* </p>
*
* <b>Immutable - Thread Safe</b>
*
*/
public final class StandardFlowFileRecord implements FlowFile, FlowFileRecord {
private static final int MAX_LINEAGE_IDENTIFIERS = 100;
private final long id;
private final long entryDate;
@ -182,8 +183,19 @@ public final class StandardFlowFileRecord implements FlowFile, FlowFileRecord {
public Builder lineageIdentifiers(final Collection<String> lineageIdentifiers) {
if (null != lineageIdentifiers) {
bLineageIdentifiers.clear();
if (lineageIdentifiers.size() > MAX_LINEAGE_IDENTIFIERS) {
int i = 0;
for (final String id : lineageIdentifiers) {
bLineageIdentifiers.add(id);
if (i++ >= MAX_LINEAGE_IDENTIFIERS) {
break;
}
}
} else {
bLineageIdentifiers.addAll(lineageIdentifiers);
}
}
return this;
}

62
nifi-nar-bundles/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/test/java/org/apache/nifi/provenance/TestPersistentProvenanceRepository.java
View File

@ -464,68 +464,6 @@ public class TestPersistentProvenanceRepository {
assertTrue(newRecordSet.getMatchingEvents().isEmpty());
}
@Test
public void testIndexAndCompressOnRolloverAndSubsequentSearchAsync() throws IOException, InterruptedException, ParseException {
final RepositoryConfiguration config = createConfiguration();
config.setMaxRecordLife(3, TimeUnit.SECONDS);
config.setMaxStorageCapacity(1024L * 1024L);
config.setMaxEventFileLife(500, TimeUnit.MILLISECONDS);
config.setMaxEventFileCapacity(1024L * 1024L);
config.setSearchableFields(new ArrayList<>(SearchableFields.getStandardFields()));
repo = new PersistentProvenanceRepository(config, DEFAULT_ROLLOVER_MILLIS);
repo.initialize(getEventReporter());
final String uuid = "00000000-0000-0000-0000-000000000000";
final Map<String, String> attributes = new HashMap<>();
attributes.put("abc", "xyz");
attributes.put("xyz", "abc");
attributes.put("filename", "file-" + uuid);
final ProvenanceEventBuilder builder = new StandardProvenanceEventRecord.Builder();
builder.setEventTime(System.currentTimeMillis());
builder.setEventType(ProvenanceEventType.RECEIVE);
builder.setTransitUri("nifi://unit-test");
builder.fromFlowFile(createFlowFile(3L, 3000L, attributes));
builder.setComponentId("1234");
builder.setComponentType("dummy processor");
for (int i = 0; i < 10; i++) {
attributes.put("uuid", "00000000-0000-0000-0000-00000000000" + i);
builder.fromFlowFile(createFlowFile(i, 3000L, attributes));
repo.registerEvent(builder.build());
}
repo.waitForRollover();
final Query query = new Query(UUID.randomUUID().toString());
query.addSearchTerm(SearchTerms.newSearchTerm(SearchableFields.FlowFileUUID, "00000*"));
query.addSearchTerm(SearchTerms.newSearchTerm(SearchableFields.Filename, "file-*"));
query.addSearchTerm(SearchTerms.newSearchTerm(SearchableFields.ComponentID, "12?4"));
query.addSearchTerm(SearchTerms.newSearchTerm(SearchableFields.TransitURI, "nifi://*"));
query.setMaxResults(100);
final QuerySubmission submission = repo.submitQuery(query);
while (!submission.getResult().isFinished()) {
Thread.sleep(100L);
}
assertEquals(10, submission.getResult().getMatchingEvents().size());
for (final ProvenanceEventRecord match : submission.getResult().getMatchingEvents()) {
System.out.println(match);
}
Thread.sleep(2000L);
config.setMaxStorageCapacity(100L);
config.setMaxRecordLife(500, TimeUnit.MILLISECONDS);
repo.purgeOldEvents();
Thread.sleep(2000L);
final QueryResult newRecordSet = repo.queryEvents(query);
assertTrue(newRecordSet.getMatchingEvents().isEmpty());
}
@Test
public void testIndexAndCompressOnRolloverAndSubsequentSearchMultipleStorageDirs() throws IOException, InterruptedException, ParseException {
final RepositoryConfiguration config = createConfiguration();