Examples with ProcessReference org.apache.accumulo.minicluster.impl.ProcessReference used on opensource projects

Example 1 with ProcessReference

use of org.apache.accumulo.minicluster.impl.ProcessReference in project accumulo by apache.

the class VerifySerialRecoveryIT method testSerializedRecovery.

@Test(timeout = 4 * 60 * 1000)
public void testSerializedRecovery() throws Exception {
    // make a table with many splits
    String tableName = getUniqueNames(1)[0];
    Connector c = getConnector();
    c.tableOperations().create(tableName);
    SortedSet<Text> splits = new TreeSet<>();
    for (int i = 0; i < 200; i++) {
        splits.add(new Text(randomHex(8)));
    }
    c.tableOperations().addSplits(tableName, splits);
    // load data to give the recovery something to do
    BatchWriter bw = c.createBatchWriter(tableName, null);
    for (int i = 0; i < 50000; i++) {
        Mutation m = new Mutation(randomHex(8));
        m.put("", "", "");
        bw.addMutation(m);
    }
    bw.close();
    // kill the tserver
    for (ProcessReference ref : getCluster().getProcesses().get(ServerType.TABLET_SERVER)) getCluster().killProcess(ServerType.TABLET_SERVER, ref);
    final Process ts = cluster.exec(TabletServer.class);
    // wait for recovery
    Iterators.size(c.createScanner(tableName, Authorizations.EMPTY).iterator());
    assertEquals(0, cluster.exec(Admin.class, "stopAll").waitFor());
    ts.waitFor();
    String result = FunctionalTestUtils.readAll(cluster, TabletServer.class, ts);
    for (String line : result.split("\n")) {
        System.out.println(line);
    }
    // walk through the output, verifying that only a single normal recovery was running at one time
    boolean started = false;
    int recoveries = 0;
    for (String line : result.split("\n")) {
        // ignore metadata tables
        if (line.contains("!0") || line.contains("+r"))
            continue;
        if (line.contains("Starting Write-Ahead Log")) {
            assertFalse(started);
            started = true;
            recoveries++;
        }
        if (line.contains("Write-Ahead Log recovery complete")) {
            assertTrue(started);
            started = false;
        }
    }
    assertFalse(started);
    assertTrue(recoveries > 0);
}

Example 2 with ProcessReference

use of org.apache.accumulo.minicluster.impl.ProcessReference in project accumulo by apache.

the class BalanceAfterCommsFailureIT method test.

@Test
public void test() throws Exception {
    Connector c = this.getConnector();
    c.tableOperations().create("test");
    Collection<ProcessReference> tservers = getCluster().getProcesses().get(ServerType.TABLET_SERVER);
    ArrayList<Integer> tserverPids = new ArrayList<>(tservers.size());
    for (ProcessReference tserver : tservers) {
        Process p = tserver.getProcess();
        if (!p.getClass().getName().equals("java.lang.UNIXProcess")) {
            log.info("Found process that was not UNIXProcess, exiting test");
            return;
        }
        Field f = p.getClass().getDeclaredField("pid");
        f.setAccessible(true);
        tserverPids.add(f.getInt(p));
    }
    for (int pid : tserverPids) {
        assertEquals(0, Runtime.getRuntime().exec(new String[] { "kill", "-SIGSTOP", Integer.toString(pid) }).waitFor());
    }
    UtilWaitThread.sleep(20 * 1000);
    for (int pid : tserverPids) {
        assertEquals(0, Runtime.getRuntime().exec(new String[] { "kill", "-SIGCONT", Integer.toString(pid) }).waitFor());
    }
    SortedSet<Text> splits = new TreeSet<>();
    for (String split : "a b c d e f g h i j k l m n o p q r s t u v w x y z".split(" ")) {
        splits.add(new Text(split));
    }
    c.tableOperations().addSplits("test", splits);
    // Ensure all of the tablets are actually assigned
    assertEquals(0, Iterables.size(c.createScanner("test", Authorizations.EMPTY)));
    UtilWaitThread.sleep(30 * 1000);
    checkBalance(c);
}

Example 3 with ProcessReference

use of org.apache.accumulo.minicluster.impl.ProcessReference in project accumulo by apache.

the class MultiInstanceReplicationIT method dataWasReplicatedToThePeer.

@Test(timeout = 10 * 60 * 1000)
public void dataWasReplicatedToThePeer() throws Exception {
    MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"), ROOT_PASSWORD);
    peerCfg.setNumTservers(1);
    peerCfg.setInstanceName("peer");
    peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
    updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
    MiniAccumuloClusterImpl peerCluster = new MiniAccumuloClusterImpl(peerCfg);
    peerCluster.start();
    try {
        final Connector connMaster = getConnector();
        final Connector connPeer = peerCluster.getConnector("root", new PasswordToken(ROOT_PASSWORD));
        ReplicationTable.setOnline(connMaster);
        String peerUserName = "peer", peerPassword = "foo";
        String peerClusterName = "peer";
        connPeer.securityOperations().createLocalUser(peerUserName, new PasswordToken(peerPassword));
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
        // ...peer = AccumuloReplicaSystem,instanceName,zookeepers
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEERS.getKey() + peerClusterName, ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class, AccumuloReplicaSystem.buildConfiguration(peerCluster.getInstanceName(), peerCluster.getZooKeepers())));
        final String masterTable = "master", peerTable = "peer";
        connMaster.tableOperations().create(masterTable);
        String masterTableId = connMaster.tableOperations().tableIdMap().get(masterTable);
        Assert.assertNotNull(masterTableId);
        connPeer.tableOperations().create(peerTable);
        String peerTableId = connPeer.tableOperations().tableIdMap().get(peerTable);
        Assert.assertNotNull(peerTableId);
        connPeer.securityOperations().grantTablePermission(peerUserName, peerTable, TablePermission.WRITE);
        // Replicate this table to the peerClusterName in a table with the peerTableId table id
        connMaster.tableOperations().setProperty(masterTable, Property.TABLE_REPLICATION.getKey(), "true");
        connMaster.tableOperations().setProperty(masterTable, Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId);
        // Write some data to table1
        BatchWriter bw = connMaster.createBatchWriter(masterTable, new BatchWriterConfig());
        for (int rows = 0; rows < 5000; rows++) {
            Mutation m = new Mutation(Integer.toString(rows));
            for (int cols = 0; cols < 100; cols++) {
                String value = Integer.toString(cols);
                m.put(value, "", value);
            }
            bw.addMutation(m);
        }
        bw.close();
        log.info("Wrote all data to master cluster");
        final Set<String> filesNeedingReplication = connMaster.replicationOperations().referencedFiles(masterTable);
        log.info("Files to replicate: " + filesNeedingReplication);
        for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
            cluster.killProcess(ServerType.TABLET_SERVER, proc);
        }
        cluster.exec(TabletServer.class);
        log.info("TabletServer restarted");
        Iterators.size(ReplicationTable.getScanner(connMaster).iterator());
        log.info("TabletServer is online");
        while (!ReplicationTable.isOnline(connMaster)) {
            log.info("Replication table still offline, waiting");
            Thread.sleep(5000);
        }
        log.info("");
        log.info("Fetching metadata records:");
        for (Entry<Key, Value> kv : connMaster.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) {
            if (ReplicationSection.COLF.equals(kv.getKey().getColumnFamily())) {
                log.info("{} {}", kv.getKey().toStringNoTruncate(), ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
            } else {
                log.info("{} {}", kv.getKey().toStringNoTruncate(), kv.getValue());
            }
        }
        log.info("");
        log.info("Fetching replication records:");
        for (Entry<Key, Value> kv : ReplicationTable.getScanner(connMaster)) {
            log.info("{} {}", kv.getKey().toStringNoTruncate(), ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
        }
        Future<Boolean> future = executor.submit(new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                long then = System.currentTimeMillis();
                connMaster.replicationOperations().drain(masterTable, filesNeedingReplication);
                long now = System.currentTimeMillis();
                log.info("Drain completed in " + (now - then) + "ms");
                return true;
            }
        });
        try {
            future.get(60, TimeUnit.SECONDS);
        } catch (TimeoutException e) {
            future.cancel(true);
            Assert.fail("Drain did not finish within 60 seconds");
        } finally {
            executor.shutdownNow();
        }
        log.info("drain completed");
        log.info("");
        log.info("Fetching metadata records:");
        for (Entry<Key, Value> kv : connMaster.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) {
            if (ReplicationSection.COLF.equals(kv.getKey().getColumnFamily())) {
                log.info("{} {}", kv.getKey().toStringNoTruncate(), ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
            } else {
                log.info("{} {}", kv.getKey().toStringNoTruncate(), kv.getValue());
            }
        }
        log.info("");
        log.info("Fetching replication records:");
        for (Entry<Key, Value> kv : ReplicationTable.getScanner(connMaster)) {
            log.info("{} {}", kv.getKey().toStringNoTruncate(), ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
        }
        try (Scanner master = connMaster.createScanner(masterTable, Authorizations.EMPTY);
            Scanner peer = connPeer.createScanner(peerTable, Authorizations.EMPTY)) {
            Iterator<Entry<Key, Value>> masterIter = master.iterator(), peerIter = peer.iterator();
            Entry<Key, Value> masterEntry = null, peerEntry = null;
            while (masterIter.hasNext() && peerIter.hasNext()) {
                masterEntry = masterIter.next();
                peerEntry = peerIter.next();
                Assert.assertEquals(masterEntry.getKey() + " was not equal to " + peerEntry.getKey(), 0, masterEntry.getKey().compareTo(peerEntry.getKey(), PartialKey.ROW_COLFAM_COLQUAL_COLVIS));
                Assert.assertEquals(masterEntry.getValue(), peerEntry.getValue());
            }
            log.info("Last master entry: {}", masterEntry);
            log.info("Last peer entry: {}", peerEntry);
            Assert.assertFalse("Had more data to read from the master", masterIter.hasNext());
            Assert.assertFalse("Had more data to read from the peer", peerIter.hasNext());
        }
    } finally {
        peerCluster.stop();
    }
}

Example 4 with ProcessReference

use of org.apache.accumulo.minicluster.impl.ProcessReference in project accumulo by apache.

the class MultiInstanceReplicationIT method dataReplicatedToCorrectTableWithoutDrain.

@Test
public void dataReplicatedToCorrectTableWithoutDrain() throws Exception {
    MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"), ROOT_PASSWORD);
    peerCfg.setNumTservers(1);
    peerCfg.setInstanceName("peer");
    peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
    updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
    MiniAccumuloClusterImpl peer1Cluster = new MiniAccumuloClusterImpl(peerCfg);
    peer1Cluster.start();
    try {
        Connector connMaster = getConnector();
        Connector connPeer = peer1Cluster.getConnector("root", new PasswordToken(ROOT_PASSWORD));
        String peerClusterName = "peer";
        String peerUserName = "repl";
        String peerPassword = "passwd";
        // Create a user on the peer for replication to use
        connPeer.securityOperations().createLocalUser(peerUserName, new PasswordToken(peerPassword));
        // Configure the credentials we should use to authenticate ourselves to the peer for replication
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
        // ...peer = AccumuloReplicaSystem,instanceName,zookeepers
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEERS.getKey() + peerClusterName, ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class, AccumuloReplicaSystem.buildConfiguration(peer1Cluster.getInstanceName(), peer1Cluster.getZooKeepers())));
        String masterTable1 = "master1", peerTable1 = "peer1", masterTable2 = "master2", peerTable2 = "peer2";
        connMaster.tableOperations().create(masterTable1);
        String masterTableId1 = connMaster.tableOperations().tableIdMap().get(masterTable1);
        Assert.assertNotNull(masterTableId1);
        connMaster.tableOperations().create(masterTable2);
        String masterTableId2 = connMaster.tableOperations().tableIdMap().get(masterTable2);
        Assert.assertNotNull(masterTableId2);
        connPeer.tableOperations().create(peerTable1);
        String peerTableId1 = connPeer.tableOperations().tableIdMap().get(peerTable1);
        Assert.assertNotNull(peerTableId1);
        connPeer.tableOperations().create(peerTable2);
        String peerTableId2 = connPeer.tableOperations().tableIdMap().get(peerTable2);
        Assert.assertNotNull(peerTableId2);
        // Give our replication user the ability to write to the tables
        connPeer.securityOperations().grantTablePermission(peerUserName, peerTable1, TablePermission.WRITE);
        connPeer.securityOperations().grantTablePermission(peerUserName, peerTable2, TablePermission.WRITE);
        // Replicate this table to the peerClusterName in a table with the peerTableId table id
        connMaster.tableOperations().setProperty(masterTable1, Property.TABLE_REPLICATION.getKey(), "true");
        connMaster.tableOperations().setProperty(masterTable1, Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId1);
        connMaster.tableOperations().setProperty(masterTable2, Property.TABLE_REPLICATION.getKey(), "true");
        connMaster.tableOperations().setProperty(masterTable2, Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
        // Write some data to table1
        BatchWriter bw = connMaster.createBatchWriter(masterTable1, new BatchWriterConfig());
        for (int rows = 0; rows < 2500; rows++) {
            Mutation m = new Mutation(masterTable1 + rows);
            for (int cols = 0; cols < 100; cols++) {
                String value = Integer.toString(cols);
                m.put(value, "", value);
            }
            bw.addMutation(m);
        }
        bw.close();
        // Write some data to table2
        bw = connMaster.createBatchWriter(masterTable2, new BatchWriterConfig());
        for (int rows = 0; rows < 2500; rows++) {
            Mutation m = new Mutation(masterTable2 + rows);
            for (int cols = 0; cols < 100; cols++) {
                String value = Integer.toString(cols);
                m.put(value, "", value);
            }
            bw.addMutation(m);
        }
        bw.close();
        log.info("Wrote all data to master cluster");
        for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
            cluster.killProcess(ServerType.TABLET_SERVER, proc);
        }
        cluster.exec(TabletServer.class);
        while (!ReplicationTable.isOnline(connMaster)) {
            log.info("Replication table still offline, waiting");
            Thread.sleep(5000);
        }
        // Wait until we fully replicated something
        boolean fullyReplicated = false;
        for (int i = 0; i < 10 && !fullyReplicated; i++) {
            sleepUninterruptibly(2, TimeUnit.SECONDS);
            try (Scanner s = ReplicationTable.getScanner(connMaster)) {
                WorkSection.limit(s);
                for (Entry<Key, Value> entry : s) {
                    Status status = Status.parseFrom(entry.getValue().get());
                    if (StatusUtil.isFullyReplicated(status)) {
                        fullyReplicated |= true;
                    }
                }
            }
        }
        Assert.assertNotEquals(0, fullyReplicated);
        // We have to wait for the master to assign the replication work, a local tserver to process it, and then the remote tserver to replay it
        // Be cautious in how quickly we assert that the data is present on the peer
        long countTable = 0l;
        for (int i = 0; i < 10; i++) {
            for (Entry<Key, Value> entry : connPeer.createScanner(peerTable1, Authorizations.EMPTY)) {
                countTable++;
                Assert.assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " " + entry.getValue(), entry.getKey().getRow().toString().startsWith(masterTable1));
            }
            log.info("Found {} records in {}", countTable, peerTable1);
            if (0l == countTable) {
                Thread.sleep(5000);
            } else {
                break;
            }
        }
        Assert.assertTrue("Found no records in " + peerTable1 + " in the peer cluster", countTable > 0);
        // Be cautious in how quickly we assert that the data is present on the peer
        for (int i = 0; i < 10; i++) {
            countTable = 0l;
            for (Entry<Key, Value> entry : connPeer.createScanner(peerTable2, Authorizations.EMPTY)) {
                countTable++;
                Assert.assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " " + entry.getValue(), entry.getKey().getRow().toString().startsWith(masterTable2));
            }
            log.info("Found {} records in {}", countTable, peerTable2);
            if (0l == countTable) {
                Thread.sleep(5000);
            } else {
                break;
            }
        }
        Assert.assertTrue("Found no records in " + peerTable2 + " in the peer cluster", countTable > 0);
    } finally {
        peer1Cluster.stop();
    }
}

Example 5 with ProcessReference

use of org.apache.accumulo.minicluster.impl.ProcessReference in project accumulo by apache.

the class UnorderedWorkAssignerReplicationIT method dataReplicatedToCorrectTableWithoutDrain.

@Test
public void dataReplicatedToCorrectTableWithoutDrain() throws Exception {
    MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"), ROOT_PASSWORD);
    peerCfg.setNumTservers(1);
    peerCfg.setInstanceName("peer");
    updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
    peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
    MiniAccumuloClusterImpl peer1Cluster = new MiniAccumuloClusterImpl(peerCfg);
    peer1Cluster.start();
    try {
        Connector connMaster = getConnector();
        Connector connPeer = peer1Cluster.getConnector("root", new PasswordToken(ROOT_PASSWORD));
        String peerClusterName = "peer";
        String peerUserName = "repl";
        String peerPassword = "passwd";
        // Create a user on the peer for replication to use
        connPeer.securityOperations().createLocalUser(peerUserName, new PasswordToken(peerPassword));
        // Configure the credentials we should use to authenticate ourselves to the peer for replication
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
        // ...peer = AccumuloReplicaSystem,instanceName,zookeepers
        connMaster.instanceOperations().setProperty(Property.REPLICATION_PEERS.getKey() + peerClusterName, ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class, AccumuloReplicaSystem.buildConfiguration(peer1Cluster.getInstanceName(), peer1Cluster.getZooKeepers())));
        String masterTable1 = "master1", peerTable1 = "peer1", masterTable2 = "master2", peerTable2 = "peer2";
        connMaster.tableOperations().create(masterTable1);
        String masterTableId1 = connMaster.tableOperations().tableIdMap().get(masterTable1);
        Assert.assertNotNull(masterTableId1);
        connMaster.tableOperations().create(masterTable2);
        String masterTableId2 = connMaster.tableOperations().tableIdMap().get(masterTable2);
        Assert.assertNotNull(masterTableId2);
        connPeer.tableOperations().create(peerTable1);
        String peerTableId1 = connPeer.tableOperations().tableIdMap().get(peerTable1);
        Assert.assertNotNull(peerTableId1);
        connPeer.tableOperations().create(peerTable2);
        String peerTableId2 = connPeer.tableOperations().tableIdMap().get(peerTable2);
        Assert.assertNotNull(peerTableId2);
        // Give our replication user the ability to write to the tables
        connPeer.securityOperations().grantTablePermission(peerUserName, peerTable1, TablePermission.WRITE);
        connPeer.securityOperations().grantTablePermission(peerUserName, peerTable2, TablePermission.WRITE);
        // Replicate this table to the peerClusterName in a table with the peerTableId table id
        connMaster.tableOperations().setProperty(masterTable1, Property.TABLE_REPLICATION.getKey(), "true");
        connMaster.tableOperations().setProperty(masterTable1, Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId1);
        connMaster.tableOperations().setProperty(masterTable2, Property.TABLE_REPLICATION.getKey(), "true");
        connMaster.tableOperations().setProperty(masterTable2, Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
        // Wait for zookeeper updates (configuration) to propagate
        sleepUninterruptibly(3, TimeUnit.SECONDS);
        // Write some data to table1
        BatchWriter bw = connMaster.createBatchWriter(masterTable1, new BatchWriterConfig());
        for (int rows = 0; rows < 2500; rows++) {
            Mutation m = new Mutation(masterTable1 + rows);
            for (int cols = 0; cols < 100; cols++) {
                String value = Integer.toString(cols);
                m.put(value, "", value);
            }
            bw.addMutation(m);
        }
        bw.close();
        // Write some data to table2
        bw = connMaster.createBatchWriter(masterTable2, new BatchWriterConfig());
        for (int rows = 0; rows < 2500; rows++) {
            Mutation m = new Mutation(masterTable2 + rows);
            for (int cols = 0; cols < 100; cols++) {
                String value = Integer.toString(cols);
                m.put(value, "", value);
            }
            bw.addMutation(m);
        }
        bw.close();
        log.info("Wrote all data to master cluster");
        while (!ReplicationTable.isOnline(connMaster)) {
            Thread.sleep(500);
        }
        for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
            cluster.killProcess(ServerType.TABLET_SERVER, proc);
        }
        cluster.exec(TabletServer.class);
        // Wait until we fully replicated something
        boolean fullyReplicated = false;
        for (int i = 0; i < 10 && !fullyReplicated; i++) {
            sleepUninterruptibly(timeoutFactor * 2, TimeUnit.SECONDS);
            try (Scanner s = ReplicationTable.getScanner(connMaster)) {
                WorkSection.limit(s);
                for (Entry<Key, Value> entry : s) {
                    Status status = Status.parseFrom(entry.getValue().get());
                    if (StatusUtil.isFullyReplicated(status)) {
                        fullyReplicated |= true;
                    }
                }
            }
        }
        Assert.assertNotEquals(0, fullyReplicated);
        long countTable = 0l;
        // Check a few times
        for (int i = 0; i < 10; i++) {
            countTable = 0l;
            for (Entry<Key, Value> entry : connPeer.createScanner(peerTable1, Authorizations.EMPTY)) {
                countTable++;
                Assert.assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " " + entry.getValue(), entry.getKey().getRow().toString().startsWith(masterTable1));
            }
            log.info("Found {} records in {}", countTable, peerTable1);
            if (0 < countTable) {
                break;
            }
            Thread.sleep(2000);
        }
        Assert.assertTrue("Did not find any records in " + peerTable1 + " on peer", countTable > 0);
        for (int i = 0; i < 10; i++) {
            countTable = 0l;
            for (Entry<Key, Value> entry : connPeer.createScanner(peerTable2, Authorizations.EMPTY)) {
                countTable++;
                Assert.assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " " + entry.getValue(), entry.getKey().getRow().toString().startsWith(masterTable2));
            }
            log.info("Found {} records in {}", countTable, peerTable2);
            if (0 < countTable) {
                break;
            }
            Thread.sleep(2000);
        }
        Assert.assertTrue("Did not find any records in " + peerTable2 + " on peer", countTable > 0);
    } finally {
        peer1Cluster.stop();
    }
}