async VerifyReplication recompares
This commit is contained in:
Hernan Gelaf-Romer
parent
a71105997f
commit
d99c9a5c24
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@ -20,6 +20,11 @@ package org.apache.hadoop.hbase.mapreduce.replication;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.UUID;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.SynchronousQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
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import java.util.concurrent.TimeUnit;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.conf.Configured;
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import org.apache.hadoop.fs.FileSystem;
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@ -30,7 +35,6 @@ import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.TableName;
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import org.apache.hadoop.hbase.client.Connection;
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import org.apache.hadoop.hbase.client.ConnectionFactory;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.ResultScanner;
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@ -46,6 +50,7 @@ import org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil;
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import org.apache.hadoop.hbase.mapreduce.TableMapper;
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import org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat;
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import org.apache.hadoop.hbase.mapreduce.TableSplit;
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import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication.Verifier.Counters;
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import org.apache.hadoop.hbase.replication.ReplicationException;
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import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
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import org.apache.hadoop.hbase.replication.ReplicationPeerStorage;
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@ -55,12 +60,12 @@ import org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.CommonFSUtils;
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import org.apache.hadoop.hbase.util.Pair;
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import org.apache.hadoop.hbase.util.Threads;
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import org.apache.hadoop.hbase.zookeeper.ZKConfig;
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import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
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import org.apache.hadoop.mapreduce.InputSplit;
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import org.apache.hadoop.mapreduce.Job;
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import org.apache.hadoop.mapreduce.MRJobConfig;
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import org.apache.hadoop.mapreduce.Mapper;
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import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
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import org.apache.hadoop.util.Tool;
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import org.apache.hadoop.util.ToolRunner;
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@ -84,6 +89,11 @@ public class VerifyReplication extends Configured implements Tool {
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public final static String NAME = "verifyrep";
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private final static String PEER_CONFIG_PREFIX = NAME + ".peer.";
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private static ExecutorService reCompareExecutor = null;
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int reCompareTries = 1;
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int reCompareBackoffExponent = 0;
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int reCompareThreads = 1;
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int sleepMsBeforeReCompare = 0;
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long startTime = 0;
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long endTime = Long.MAX_VALUE;
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int batch = -1;
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@ -94,7 +104,6 @@ public class VerifyReplication extends Configured implements Tool {
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String peerId = null;
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String peerQuorumAddress = null;
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String rowPrefixes = null;
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int sleepMsBeforeReCompare = 0;
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boolean verbose = false;
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boolean includeDeletedCells = false;
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// Source table snapshot name
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@ -124,7 +133,12 @@ public class VerifyReplication extends Configured implements Tool {
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BADROWS,
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ONLY_IN_SOURCE_TABLE_ROWS,
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ONLY_IN_PEER_TABLE_ROWS,
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CONTENT_DIFFERENT_ROWS
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CONTENT_DIFFERENT_ROWS,
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RE_COMPARES,
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REJECTED_RE_COMPARES,
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SOURCE_ROW_CHANGED,
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PEER_ROW_CHANGED,
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FAILED_RECOMPARE
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}
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private Connection sourceConnection;
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@ -133,6 +147,9 @@ public class VerifyReplication extends Configured implements Tool {
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private Table replicatedTable;
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private ResultScanner replicatedScanner;
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private Result currentCompareRowInPeerTable;
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private Scan tableScan;
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private int reCompareTries;
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private int reCompareBackoffExponent;
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private int sleepMsBeforeReCompare;
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private String delimiter = "";
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private boolean verbose = false;
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@ -150,6 +167,8 @@ public class VerifyReplication extends Configured implements Tool {
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throws IOException {
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if (replicatedScanner == null) {
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Configuration conf = context.getConfiguration();
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reCompareTries = conf.getInt(NAME + ".reCompareTries", 0);
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reCompareBackoffExponent = conf.getInt(NAME + ".reCompareBackoffExponent", 1);
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sleepMsBeforeReCompare = conf.getInt(NAME + ".sleepMsBeforeReCompare", 0);
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delimiter = conf.get(NAME + ".delimiter", "");
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verbose = conf.getBoolean(NAME + ".verbose", false);
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@ -179,9 +198,12 @@ public class VerifyReplication extends Configured implements Tool {
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if (versions >= 0) {
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scan.readVersions(versions);
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}
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int reCompareThreads = conf.getInt(NAME + ".reCompareThreads", 1);
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reCompareExecutor = buildReCompareExecutor(reCompareThreads, context);
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TableName tableName = TableName.valueOf(conf.get(NAME + ".tableName"));
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sourceConnection = ConnectionFactory.createConnection(conf);
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sourceTable = sourceConnection.getTable(tableName);
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tableScan = scan;
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final InputSplit tableSplit = context.getInputSplit();
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@ -226,7 +248,7 @@ public class VerifyReplication extends Configured implements Tool {
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while (true) {
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if (currentCompareRowInPeerTable == null) {
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// reach the region end of peer table, row only in source table
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_SOURCE_TABLE_ROWS, value);
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_SOURCE_TABLE_ROWS, value, null);
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break;
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}
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int rowCmpRet = Bytes.compareTo(value.getRow(), currentCompareRowInPeerTable.getRow());
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@ -240,47 +262,39 @@ public class VerifyReplication extends Configured implements Tool {
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"Good row key: " + delimiter + Bytes.toStringBinary(value.getRow()) + delimiter);
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}
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} catch (Exception e) {
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logFailRowAndIncreaseCounter(context, Counters.CONTENT_DIFFERENT_ROWS, value);
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logFailRowAndIncreaseCounter(context, Counters.CONTENT_DIFFERENT_ROWS, value,
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currentCompareRowInPeerTable);
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}
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currentCompareRowInPeerTable = replicatedScanner.next();
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break;
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} else if (rowCmpRet < 0) {
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// row only exists in source table
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_SOURCE_TABLE_ROWS, value);
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_SOURCE_TABLE_ROWS, value, null);
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break;
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} else {
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// row only exists in peer table
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_PEER_TABLE_ROWS,
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_PEER_TABLE_ROWS, null,
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currentCompareRowInPeerTable);
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currentCompareRowInPeerTable = replicatedScanner.next();
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}
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}
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}
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private void logFailRowAndIncreaseCounter(Context context, Counters counter, Result row) {
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if (sleepMsBeforeReCompare > 0) {
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Threads.sleep(sleepMsBeforeReCompare);
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try {
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Result sourceResult = sourceTable.get(new Get(row.getRow()));
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Result replicatedResult = replicatedTable.get(new Get(row.getRow()));
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Result.compareResults(sourceResult, replicatedResult, false);
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if (!sourceResult.isEmpty()) {
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context.getCounter(Counters.GOODROWS).increment(1);
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if (verbose) {
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LOG.info("Good row key (with recompare): " + delimiter
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+ Bytes.toStringBinary(row.getRow()) + delimiter);
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}
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}
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@SuppressWarnings("FutureReturnValueIgnored")
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private void logFailRowAndIncreaseCounter(Context context, Counters counter, Result row,
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Result replicatedRow) {
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if (reCompareTries > 0 && sleepMsBeforeReCompare > 0) {
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VerifyReplicationRecompareRunnable runnable = new VerifyReplicationRecompareRunnable(
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context, row, replicatedRow, counter, delimiter, tableScan, sourceTable, replicatedTable,
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reCompareTries, sleepMsBeforeReCompare, reCompareBackoffExponent, verbose);
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reCompareExecutor.submit(runnable);
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return;
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} catch (Exception e) {
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LOG.error("recompare fail after sleep, rowkey=" + delimiter
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+ Bytes.toStringBinary(row.getRow()) + delimiter);
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}
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}
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byte[] rowKey = getRow(row, replicatedRow);
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context.getCounter(counter).increment(1);
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context.getCounter(Counters.BADROWS).increment(1);
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LOG.error(counter.toString() + ", rowkey=" + delimiter + Bytes.toStringBinary(row.getRow())
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+ delimiter);
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LOG.error("{}, rowkey={}{}{}", counter, delimiter, Bytes.toStringBinary(rowKey), delimiter);
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}
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@Override
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@ -288,7 +302,7 @@ public class VerifyReplication extends Configured implements Tool {
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if (replicatedScanner != null) {
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try {
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while (currentCompareRowInPeerTable != null) {
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_PEER_TABLE_ROWS,
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logFailRowAndIncreaseCounter(context, Counters.ONLY_IN_PEER_TABLE_ROWS, null,
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currentCompareRowInPeerTable);
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currentCompareRowInPeerTable = replicatedScanner.next();
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}
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@ -329,6 +343,17 @@ public class VerifyReplication extends Configured implements Tool {
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LOG.error("fail to close replicated connection in cleanup", e);
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}
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}
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if (reCompareExecutor != null && !reCompareExecutor.isShutdown()) {
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reCompareExecutor.shutdown();
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try {
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boolean terminated = reCompareExecutor.awaitTermination(10, TimeUnit.SECONDS);
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if (!terminated) {
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LOG.warn("Wait termination timed out");
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}
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} catch (InterruptedException e) {
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LOG.error("fail to await executor termination in cleanup", e);
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}
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}
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}
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}
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@ -424,6 +449,10 @@ public class VerifyReplication extends Configured implements Tool {
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conf.setInt(NAME + ".versions", versions);
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LOG.info("Number of version: " + versions);
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conf.setInt(NAME + ".reCompareTries", reCompareTries);
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conf.setInt(NAME + ".reCompareBackoffExponent", reCompareBackoffExponent);
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conf.setInt(NAME + ".reCompareThreads", reCompareThreads);
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// Set Snapshot specific parameters
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if (peerSnapshotName != null) {
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conf.set(NAME + ".peerSnapshotName", peerSnapshotName);
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@ -491,6 +520,15 @@ public class VerifyReplication extends Configured implements Tool {
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return job;
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}
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protected static byte[] getRow(Result sourceResult, Result replicatedResult) {
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if (sourceResult != null) {
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return sourceResult.getRow();
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} else if (replicatedResult != null) {
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return replicatedResult.getRow();
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}
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throw new RuntimeException("Both sourceResult and replicatedResult are null!");
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}
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private static void setRowPrefixFilter(Scan scan, String rowPrefixes) {
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if (rowPrefixes != null && !rowPrefixes.isEmpty()) {
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String[] rowPrefixArray = rowPrefixes.split(",");
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@ -628,6 +666,25 @@ public class VerifyReplication extends Configured implements Tool {
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continue;
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}
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final String reCompareThreadArgs = "--reCompareThreads=";
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if (cmd.startsWith(reCompareThreadArgs)) {
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reCompareThreads = Integer.parseInt(cmd.substring(reCompareThreadArgs.length()));
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continue;
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}
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final String reCompareTriesKey = "--reCompareTries=";
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if (cmd.startsWith(reCompareTriesKey)) {
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reCompareTries = Integer.parseInt(cmd.substring(reCompareTriesKey.length()));
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continue;
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}
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final String reCompareBackoffExponentKey = "--reCompareBackoffExponent=";
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if (cmd.startsWith(reCompareBackoffExponentKey)) {
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reCompareBackoffExponent =
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Integer.parseInt(cmd.substring(reCompareBackoffExponentKey.length()));
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continue;
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}
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if (cmd.startsWith("--")) {
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printUsage("Invalid argument '" + cmd + "'");
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return false;
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@ -705,6 +762,7 @@ public class VerifyReplication extends Configured implements Tool {
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}
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System.err.println("Usage: verifyrep [--starttime=X]"
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+ " [--endtime=Y] [--families=A] [--row-prefixes=B] [--delimiter=] [--recomparesleep=] "
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+ "[--reCompareThreads=] [--reCompareTries=] [--reCompareBackoffExponent=]"
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+ "[--batch=] [--verbose] [--peerTableName=] [--sourceSnapshotName=P] "
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+ "[--sourceSnapshotTmpDir=Q] [--peerSnapshotName=R] [--peerSnapshotTmpDir=S] "
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+ "[--peerFSAddress=T] [--peerHBaseRootAddress=U] <peerid|peerQuorumAddress> <tablename>");
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@ -722,6 +780,12 @@ public class VerifyReplication extends Configured implements Tool {
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System.err.println(" delimiter the delimiter used in display around rowkey");
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System.err.println(" recomparesleep milliseconds to sleep before recompare row, "
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+ "default value is 0 which disables the recompare.");
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System.err.println(" reCompareThreads number of threads to run recompares in");
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System.err.println(" reCompareTries number of recompare attempts before incrementing "
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+ "the BADROWS counter. Defaults to 1 recompare");
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System.out.println(" reCompareBackoffExponent exponential multiplier to increase "
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+ "recomparesleep after each recompare attempt, "
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+ "default value is 0 which results in a constant sleep time");
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System.err.println(" verbose logs row keys of good rows");
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System.err.println(" peerTableName Peer Table Name");
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System.err.println(" sourceSnapshotName Source Snapshot Name");
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@ -788,6 +852,23 @@ public class VerifyReplication extends Configured implements Tool {
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+ "2181:/cluster-b \\\n" + " TestTable");
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}
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private static ExecutorService buildReCompareExecutor(int maxThreads, Mapper.Context context) {
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return new ThreadPoolExecutor(0, maxThreads, 1L, TimeUnit.SECONDS, new SynchronousQueue<>(),
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buildRejectedReComparePolicy(context));
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}
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private static CallerRunsPolicy buildRejectedReComparePolicy(Mapper.Context context) {
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return new CallerRunsPolicy() {
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@Override
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public void rejectedExecution(Runnable runnable, ThreadPoolExecutor e) {
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LOG.debug("Re-comparison execution rejected. Running in main thread.");
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context.getCounter(Counters.REJECTED_RE_COMPARES).increment(1);
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// will run in the current thread
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super.rejectedExecution(runnable, e);
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}
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};
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}
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@Override
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public int run(String[] args) throws Exception {
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Configuration conf = this.getConf();
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@ -0,0 +1,156 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hbase.mapreduce.replication;
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import java.io.IOException;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.Scan;
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import org.apache.hadoop.hbase.client.Table;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.mapreduce.Mapper;
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import org.apache.yetus.audience.InterfaceAudience;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@InterfaceAudience.Private
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public class VerifyReplicationRecompareRunnable implements Runnable {
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private static final Logger LOG =
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LoggerFactory.getLogger(VerifyReplicationRecompareRunnable.class);
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private final Mapper.Context context;
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private final VerifyReplication.Verifier.Counters originalCounter;
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private final String delimiter;
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private final byte[] row;
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private final Scan tableScan;
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private final Table sourceTable;
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private final Table replicatedTable;
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private final int reCompareTries;
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private final int sleepMsBeforeReCompare;
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private final int reCompareBackoffExponent;
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private final boolean verbose;
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private Result sourceResult;
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private Result replicatedResult;
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public VerifyReplicationRecompareRunnable(Mapper.Context context, Result sourceResult,
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Result replicatedResult, VerifyReplication.Verifier.Counters originalCounter, String delimiter,
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Scan tableScan, Table sourceTable, Table replicatedTable, int reCompareTries,
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int sleepMsBeforeReCompare, int reCompareBackoffExponent, boolean verbose) {
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this.context = context;
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this.sourceResult = sourceResult;
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this.replicatedResult = replicatedResult;
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this.originalCounter = originalCounter;
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this.delimiter = delimiter;
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this.tableScan = tableScan;
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this.sourceTable = sourceTable;
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this.replicatedTable = replicatedTable;
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this.reCompareTries = reCompareTries;
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this.sleepMsBeforeReCompare = sleepMsBeforeReCompare;
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this.reCompareBackoffExponent = reCompareBackoffExponent;
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this.verbose = verbose;
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this.row = VerifyReplication.getRow(sourceResult, replicatedResult);
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}
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@Override
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public void run() {
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Get get = new Get(row);
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get.setCacheBlocks(tableScan.getCacheBlocks());
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get.setFilter(tableScan.getFilter());
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int sleepMs = sleepMsBeforeReCompare;
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int tries = 0;
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while (++tries <= reCompareTries) {
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context.getCounter(VerifyReplication.Verifier.Counters.RE_COMPARES).increment(1);
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try {
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Thread.sleep(sleepMs);
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} catch (InterruptedException e) {
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LOG.warn("Sleeping interrupted, incrementing bad rows and aborting");
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incrementOriginalAndBadCounter();
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Thread.currentThread().interrupt();
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}
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try {
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if (fetchLatestRows(get)) {
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if (matches(sourceResult, replicatedResult, null)) {
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if (verbose) {
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LOG.info("Good row key (with recompare): {}{}{}", delimiter,
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Bytes.toStringBinary(row), delimiter);
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}
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.GOODROWS).increment(1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
} catch (IOException e) {
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.FAILED_RECOMPARE).increment(1);
|
||||
if (verbose) {
|
||||
LOG.info("Got an exception during recompare for rowkey={}", Bytes.toStringBinary(row), e);
|
||||
}
|
||||
}
|
||||
|
||||
sleepMs = sleepMs * (2 ^ reCompareBackoffExponent);
|
||||
}
|
||||
|
||||
LOG.error("{}, rowkey={}{}{}", originalCounter, delimiter, Bytes.toStringBinary(row),
|
||||
delimiter);
|
||||
incrementOriginalAndBadCounter();
|
||||
}
|
||||
|
||||
private boolean fetchLatestRows(Get get) throws IOException {
|
||||
Result sourceResult = sourceTable.get(get);
|
||||
Result replicatedResult = replicatedTable.get(get);
|
||||
|
||||
boolean sourceMatches = matches(sourceResult, this.sourceResult,
|
||||
VerifyReplication.Verifier.Counters.SOURCE_ROW_CHANGED);
|
||||
boolean replicatedMatches = matches(replicatedResult, this.replicatedResult,
|
||||
VerifyReplication.Verifier.Counters.PEER_ROW_CHANGED);
|
||||
|
||||
if (sourceMatches && replicatedMatches) {
|
||||
return true;
|
||||
}
|
||||
|
||||
this.sourceResult = sourceResult;
|
||||
this.replicatedResult = replicatedResult;
|
||||
return false;
|
||||
}
|
||||
|
||||
private boolean matches(Result original, Result updated,
|
||||
VerifyReplication.Verifier.Counters failCounter) {
|
||||
try {
|
||||
Result.compareResults(original, updated);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
if (failCounter != null) {
|
||||
context.getCounter(failCounter).increment(1);
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("{} for rowkey={}", failCounter, Bytes.toStringBinary(row));
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private void incrementOriginalAndBadCounter() {
|
||||
context.getCounter(originalCounter).increment(1);
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.BADROWS).increment(1);
|
||||
}
|
||||
}
|
||||
|
|
@ -447,6 +447,32 @@ public class TestVerifyReplication extends TestReplicationBase {
|
|||
checkRestoreTmpDir(CONF2, tmpPath2, 2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testVerifyReplicationThreadedRecompares() throws Exception {
|
||||
// Populate the tables with same data
|
||||
runBatchCopyTest();
|
||||
|
||||
// ONLY_IN_PEER_TABLE_ROWS
|
||||
Put put = new Put(Bytes.toBytes(Integer.toString(NB_ROWS_IN_BATCH)));
|
||||
put.addColumn(noRepfamName, row, row);
|
||||
htable3.put(put);
|
||||
|
||||
// CONTENT_DIFFERENT_ROWS
|
||||
put = new Put(Bytes.toBytes(Integer.toString(NB_ROWS_IN_BATCH - 1)));
|
||||
put.addColumn(noRepfamName, row, Bytes.toBytes("diff value"));
|
||||
htable3.put(put);
|
||||
|
||||
// ONLY_IN_SOURCE_TABLE_ROWS
|
||||
put = new Put(Bytes.toBytes(Integer.toString(NB_ROWS_IN_BATCH + 1)));
|
||||
put.addColumn(noRepfamName, row, row);
|
||||
htable1.put(put);
|
||||
|
||||
String[] args = new String[] { "--reCompareThreads=10", "--reCompareTries=3",
|
||||
"--recomparesleep=1", "--peerTableName=" + peerTableName.getNameAsString(),
|
||||
UTIL2.getClusterKey(), tableName.getNameAsString() };
|
||||
runVerifyReplication(args, NB_ROWS_IN_BATCH - 1, 3);
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDownAfterClass() throws Exception {
|
||||
htable3.close();
|
||||
|
|
|
|||
|
|
@ -0,0 +1,154 @@
|
|||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF 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.apache.hadoop.hbase.replication;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.mockito.ArgumentMatchers.any;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.concurrent.ThreadLocalRandom;
|
||||
import org.apache.hadoop.hbase.HBaseClassTestRule;
|
||||
import org.apache.hadoop.hbase.KeyValue;
|
||||
import org.apache.hadoop.hbase.client.Get;
|
||||
import org.apache.hadoop.hbase.client.Result;
|
||||
import org.apache.hadoop.hbase.client.Scan;
|
||||
import org.apache.hadoop.hbase.client.Table;
|
||||
import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication;
|
||||
import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplicationRecompareRunnable;
|
||||
import org.apache.hadoop.hbase.testclassification.ReplicationTests;
|
||||
import org.apache.hadoop.hbase.testclassification.SmallTests;
|
||||
import org.apache.hadoop.hbase.util.Bytes;
|
||||
import org.apache.hadoop.mapreduce.Counter;
|
||||
import org.apache.hadoop.mapreduce.Mapper;
|
||||
import org.apache.hadoop.mapreduce.counters.GenericCounter;
|
||||
import org.junit.Before;
|
||||
import org.junit.ClassRule;
|
||||
import org.junit.Test;
|
||||
import org.junit.experimental.categories.Category;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.junit.MockitoJUnitRunner;
|
||||
|
||||
@Category({ ReplicationTests.class, SmallTests.class })
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class TestVerifyReplicationRecompareRunnable {
|
||||
|
||||
@ClassRule
|
||||
public static final HBaseClassTestRule CLASS_RULE =
|
||||
HBaseClassTestRule.forClass(TestVerifyReplicationRecompareRunnable.class);
|
||||
|
||||
@Mock
|
||||
private Table sourceTable;
|
||||
|
||||
@Mock
|
||||
private Table replicatedTable;
|
||||
|
||||
@Mock
|
||||
private Mapper.Context context;
|
||||
|
||||
static Result genResult(int cols) {
|
||||
KeyValue[] kvs = new KeyValue[cols];
|
||||
|
||||
for (int i = 0; i < cols; ++i) {
|
||||
kvs[i] =
|
||||
new KeyValue(genBytes(), genBytes(), genBytes(), System.currentTimeMillis(), genBytes());
|
||||
}
|
||||
|
||||
return Result.create(kvs);
|
||||
}
|
||||
|
||||
static byte[] genBytes() {
|
||||
return Bytes.toBytes(ThreadLocalRandom.current().nextInt());
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
for (VerifyReplication.Verifier.Counters counter : VerifyReplication.Verifier.Counters
|
||||
.values()) {
|
||||
Counter emptyCounter = new GenericCounter(counter.name(), counter.name());
|
||||
when(context.getCounter(counter)).thenReturn(emptyCounter);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void itRecomparesGoodRow() throws IOException {
|
||||
Result result = genResult(2);
|
||||
|
||||
when(sourceTable.get(any(Get.class))).thenReturn(result);
|
||||
when(replicatedTable.get(any(Get.class))).thenReturn(result);
|
||||
|
||||
VerifyReplicationRecompareRunnable runnable = new VerifyReplicationRecompareRunnable(context,
|
||||
genResult(5), null, VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS, "",
|
||||
new Scan(), sourceTable, replicatedTable, 3, 1, 0, true);
|
||||
|
||||
runnable.run();
|
||||
|
||||
assertEquals(0, context.getCounter(VerifyReplication.Verifier.Counters.BADROWS).getValue());
|
||||
assertEquals(0,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS).getValue());
|
||||
assertEquals(1, context.getCounter(VerifyReplication.Verifier.Counters.GOODROWS).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.SOURCE_ROW_CHANGED).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.PEER_ROW_CHANGED).getValue());
|
||||
assertEquals(2, context.getCounter(VerifyReplication.Verifier.Counters.RE_COMPARES).getValue());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void itRecomparesBadRow() throws IOException {
|
||||
Result replicatedResult = genResult(1);
|
||||
when(sourceTable.get(any(Get.class))).thenReturn(genResult(5));
|
||||
when(replicatedTable.get(any(Get.class))).thenReturn(replicatedResult);
|
||||
|
||||
VerifyReplicationRecompareRunnable runnable = new VerifyReplicationRecompareRunnable(context,
|
||||
genResult(5), replicatedResult, VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS,
|
||||
"", new Scan(), sourceTable, replicatedTable, 1, 1, 0, true);
|
||||
|
||||
runnable.run();
|
||||
|
||||
assertEquals(1, context.getCounter(VerifyReplication.Verifier.Counters.BADROWS).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS).getValue());
|
||||
assertEquals(0, context.getCounter(VerifyReplication.Verifier.Counters.GOODROWS).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.SOURCE_ROW_CHANGED).getValue());
|
||||
assertEquals(0,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.PEER_ROW_CHANGED).getValue());
|
||||
assertEquals(1, context.getCounter(VerifyReplication.Verifier.Counters.RE_COMPARES).getValue());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void itHandlesExceptionOnRecompare() throws IOException {
|
||||
when(sourceTable.get(any(Get.class))).thenThrow(new IOException("Error!"));
|
||||
when(replicatedTable.get(any(Get.class))).thenReturn(genResult(5));
|
||||
|
||||
VerifyReplicationRecompareRunnable runnable = new VerifyReplicationRecompareRunnable(context,
|
||||
genResult(5), null, VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS, "",
|
||||
new Scan(), sourceTable, replicatedTable, 1, 1, 0, true);
|
||||
|
||||
runnable.run();
|
||||
|
||||
assertEquals(1, context.getCounter(VerifyReplication.Verifier.Counters.BADROWS).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.ONLY_IN_SOURCE_TABLE_ROWS).getValue());
|
||||
assertEquals(1,
|
||||
context.getCounter(VerifyReplication.Verifier.Counters.FAILED_RECOMPARE).getValue());
|
||||
assertEquals(1, context.getCounter(VerifyReplication.Verifier.Counters.RE_COMPARES).getValue());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue