Examples with WALKey org.apache.hadoop.hbase.wal.WALKey used on opensource projects

Example 1 with WALKey

use of org.apache.hadoop.hbase.wal.WALKey in project hbase by apache.

the class TestDistributedLogSplitting method testSameVersionUpdatesRecoveryWithCompaction.

@Ignore("DLR is broken by HBASE-12751")
@Test(timeout = 300000)
public void testSameVersionUpdatesRecoveryWithCompaction() throws Exception {
    LOG.info("testSameVersionUpdatesRecoveryWithWrites");
    conf.setLong("hbase.regionserver.hlog.blocksize", 15 * 1024);
    conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
    conf.setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 30 * 1024);
    conf.setInt("hbase.hstore.compactionThreshold", 3);
    startCluster(NUM_RS);
    final AtomicLong sequenceId = new AtomicLong(100);
    final int NUM_REGIONS_TO_CREATE = 40;
    final int NUM_LOG_LINES = 2000;
    // turn off load balancing to prevent regions from moving around otherwise
    // they will consume recovered.edits
    master.balanceSwitch(false);
    List<RegionServerThread> rsts = cluster.getLiveRegionServerThreads();
    final ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "table-creation", null);
    Table ht = installTable(zkw, "table", "family", NUM_REGIONS_TO_CREATE);
    try {
        List<HRegionInfo> regions = null;
        HRegionServer hrs = null;
        for (int i = 0; i < NUM_RS; i++) {
            boolean isCarryingMeta = false;
            hrs = rsts.get(i).getRegionServer();
            regions = ProtobufUtil.getOnlineRegions(hrs.getRSRpcServices());
            for (HRegionInfo region : regions) {
                if (region.isMetaRegion()) {
                    isCarryingMeta = true;
                    break;
                }
            }
            if (isCarryingMeta) {
                continue;
            }
            break;
        }
        LOG.info("#regions = " + regions.size());
        Iterator<HRegionInfo> it = regions.iterator();
        while (it.hasNext()) {
            HRegionInfo region = it.next();
            if (region.isMetaTable() || region.getEncodedName().equals(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName())) {
                it.remove();
            }
        }
        if (regions.isEmpty())
            return;
        HRegionInfo curRegionInfo = regions.get(0);
        byte[] startRow = curRegionInfo.getStartKey();
        if (startRow == null || startRow.length == 0) {
            startRow = new byte[] { 0, 0, 0, 0, 1 };
        }
        byte[] row = Bytes.incrementBytes(startRow, 1);
        // use last 5 bytes because HBaseTestingUtility.createMultiRegions use 5 bytes key
        row = Arrays.copyOfRange(row, 3, 8);
        long value = 0;
        final TableName tableName = TableName.valueOf(name.getMethodName());
        byte[] family = Bytes.toBytes("family");
        byte[] qualifier = Bytes.toBytes("c1");
        long timeStamp = System.currentTimeMillis();
        HTableDescriptor htd = new HTableDescriptor(tableName);
        htd.addFamily(new HColumnDescriptor(family));
        final WAL wal = hrs.getWAL(curRegionInfo);
        for (int i = 0; i < NUM_LOG_LINES; i += 1) {
            WALEdit e = new WALEdit();
            value++;
            e.add(new KeyValue(row, family, qualifier, timeStamp, Bytes.toBytes(value)));
            wal.append(curRegionInfo, new WALKey(curRegionInfo.getEncodedNameAsBytes(), tableName, System.currentTimeMillis()), e, true);
        }
        wal.sync();
        wal.shutdown();
        // wait for abort completes
        this.abortRSAndWaitForRecovery(hrs, zkw, NUM_REGIONS_TO_CREATE);
        // verify we got the last value
        LOG.info("Verification Starts...");
        Get g = new Get(row);
        Result r = ht.get(g);
        long theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
        // after flush & compaction
        LOG.info("Verification after flush...");
        TEST_UTIL.getAdmin().flush(tableName);
        TEST_UTIL.getAdmin().compact(tableName);
        // wait for compaction completes
        TEST_UTIL.waitFor(30000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                return (TEST_UTIL.getAdmin().getCompactionState(tableName) == CompactionState.NONE);
            }
        });
        r = ht.get(g);
        theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
    } finally {
        if (ht != null)
            ht.close();
        if (zkw != null)
            zkw.close();
    }
}

Example 2 with WALKey

use of org.apache.hadoop.hbase.wal.WALKey in project hbase by apache.

the class TestWALObserver method addWALEdits.

private void addWALEdits(final TableName tableName, final HRegionInfo hri, final byte[] rowName, final byte[] family, final int count, EnvironmentEdge ee, final WAL wal, final NavigableMap<byte[], Integer> scopes, final MultiVersionConcurrencyControl mvcc) throws IOException {
    String familyStr = Bytes.toString(family);
    long txid = -1;
    for (int j = 0; j < count; j++) {
        byte[] qualifierBytes = Bytes.toBytes(Integer.toString(j));
        byte[] columnBytes = Bytes.toBytes(familyStr + ":" + Integer.toString(j));
        WALEdit edit = new WALEdit();
        edit.add(new KeyValue(rowName, family, qualifierBytes, ee.currentTime(), columnBytes));
        // uses WALKey instead of HLogKey on purpose. will only work for tests where we don't care
        // about legacy coprocessors
        txid = wal.append(hri, new WALKey(hri.getEncodedNameAsBytes(), tableName, ee.currentTime(), mvcc), edit, true);
    }
    if (-1 != txid) {
        wal.sync(txid);
    }
}

Example 3 with WALKey

use of org.apache.hadoop.hbase.wal.WALKey in project hbase by apache.

the class TestWALEntryStream method appendToLogPlus.

private void appendToLogPlus(int count) throws IOException {
    final long txid = log.append(info, new WALKey(info.getEncodedNameAsBytes(), tableName, System.currentTimeMillis(), mvcc, scopes), getWALEdits(count), true);
    log.sync(txid);
}

Example 4 with WALKey

use of org.apache.hadoop.hbase.wal.WALKey in project hbase by apache.

the class TestWALEntryStream method appendToLog.

private void appendToLog(String key) throws IOException {
    final long txid = log.append(info, new WALKey(info.getEncodedNameAsBytes(), tableName, System.currentTimeMillis(), mvcc, scopes), getWALEdit(key), true);
    log.sync(txid);
}

Example 5 with WALKey

use of org.apache.hadoop.hbase.wal.WALKey in project hbase by apache.

the class TestReplicationSource method testLogMoving.

/**
   * Sanity check that we can move logs around while we are reading
   * from them. Should this test fail, ReplicationSource would have a hard
   * time reading logs that are being archived.
   * @throws Exception
   */
@Test
public void testLogMoving() throws Exception {
    Path logPath = new Path(logDir, "log");
    if (!FS.exists(logDir))
        FS.mkdirs(logDir);
    if (!FS.exists(oldLogDir))
        FS.mkdirs(oldLogDir);
    WALProvider.Writer writer = WALFactory.createWALWriter(FS, logPath, TEST_UTIL.getConfiguration());
    for (int i = 0; i < 3; i++) {
        byte[] b = Bytes.toBytes(Integer.toString(i));
        KeyValue kv = new KeyValue(b, b, b);
        WALEdit edit = new WALEdit();
        edit.add(kv);
        WALKey key = new WALKey(b, TableName.valueOf(b), 0, 0, HConstants.DEFAULT_CLUSTER_ID);
        writer.append(new WAL.Entry(key, edit));
        writer.sync();
    }
    writer.close();
    WAL.Reader reader = WALFactory.createReader(FS, logPath, TEST_UTIL.getConfiguration());
    WAL.Entry entry = reader.next();
    assertNotNull(entry);
    Path oldLogPath = new Path(oldLogDir, "log");
    FS.rename(logPath, oldLogPath);
    entry = reader.next();
    assertNotNull(entry);
    entry = reader.next();
    entry = reader.next();
    assertNull(entry);
    reader.close();
}