Examples with HRegionInfo org.apache.hadoop.hbase.HRegionInfo used on opensource projects

Example 46 with HRegionInfo

use of org.apache.hadoop.hbase.HRegionInfo in project hbase by apache.

the class TestCatalogJanitor method testSplitParentFirstComparator.

/**
   * Test that we correctly archive all the storefiles when a region is deleted
   * @throws Exception
   */
@Test
public void testSplitParentFirstComparator() {
    SplitParentFirstComparator comp = new SplitParentFirstComparator();
    final HTableDescriptor htd = createHTableDescriptor();
    /*  Region splits:
     *
     *  rootRegion --- firstRegion --- firstRegiona
     *              |               |- firstRegionb
     *              |
     *              |- lastRegion --- lastRegiona  --- lastRegionaa
     *                             |                |- lastRegionab
     *                             |- lastRegionb
     *
     *  rootRegion   :   []  - []
     *  firstRegion  :   []  - bbb
     *  lastRegion   :   bbb - []
     *  firstRegiona :   []  - aaa
     *  firstRegionb :   aaa - bbb
     *  lastRegiona  :   bbb - ddd
     *  lastRegionb  :   ddd - []
     */
    // root region
    HRegionInfo rootRegion = new HRegionInfo(htd.getTableName(), HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW, true);
    HRegionInfo firstRegion = new HRegionInfo(htd.getTableName(), HConstants.EMPTY_START_ROW, Bytes.toBytes("bbb"), true);
    HRegionInfo lastRegion = new HRegionInfo(htd.getTableName(), Bytes.toBytes("bbb"), HConstants.EMPTY_END_ROW, true);
    assertTrue(comp.compare(rootRegion, rootRegion) == 0);
    assertTrue(comp.compare(firstRegion, firstRegion) == 0);
    assertTrue(comp.compare(lastRegion, lastRegion) == 0);
    assertTrue(comp.compare(rootRegion, firstRegion) < 0);
    assertTrue(comp.compare(rootRegion, lastRegion) < 0);
    assertTrue(comp.compare(firstRegion, lastRegion) < 0);
    //first region split into a, b
    HRegionInfo firstRegiona = new HRegionInfo(htd.getTableName(), HConstants.EMPTY_START_ROW, Bytes.toBytes("aaa"), true);
    HRegionInfo firstRegionb = new HRegionInfo(htd.getTableName(), Bytes.toBytes("aaa"), Bytes.toBytes("bbb"), true);
    //last region split into a, b
    HRegionInfo lastRegiona = new HRegionInfo(htd.getTableName(), Bytes.toBytes("bbb"), Bytes.toBytes("ddd"), true);
    HRegionInfo lastRegionb = new HRegionInfo(htd.getTableName(), Bytes.toBytes("ddd"), HConstants.EMPTY_END_ROW, true);
    assertTrue(comp.compare(firstRegiona, firstRegiona) == 0);
    assertTrue(comp.compare(firstRegionb, firstRegionb) == 0);
    assertTrue(comp.compare(rootRegion, firstRegiona) < 0);
    assertTrue(comp.compare(rootRegion, firstRegionb) < 0);
    assertTrue(comp.compare(firstRegion, firstRegiona) < 0);
    assertTrue(comp.compare(firstRegion, firstRegionb) < 0);
    assertTrue(comp.compare(firstRegiona, firstRegionb) < 0);
    assertTrue(comp.compare(lastRegiona, lastRegiona) == 0);
    assertTrue(comp.compare(lastRegionb, lastRegionb) == 0);
    assertTrue(comp.compare(rootRegion, lastRegiona) < 0);
    assertTrue(comp.compare(rootRegion, lastRegionb) < 0);
    assertTrue(comp.compare(lastRegion, lastRegiona) < 0);
    assertTrue(comp.compare(lastRegion, lastRegionb) < 0);
    assertTrue(comp.compare(lastRegiona, lastRegionb) < 0);
    assertTrue(comp.compare(firstRegiona, lastRegiona) < 0);
    assertTrue(comp.compare(firstRegiona, lastRegionb) < 0);
    assertTrue(comp.compare(firstRegionb, lastRegiona) < 0);
    assertTrue(comp.compare(firstRegionb, lastRegionb) < 0);
    HRegionInfo lastRegionaa = new HRegionInfo(htd.getTableName(), Bytes.toBytes("bbb"), Bytes.toBytes("ccc"), false);
    HRegionInfo lastRegionab = new HRegionInfo(htd.getTableName(), Bytes.toBytes("ccc"), Bytes.toBytes("ddd"), false);
    assertTrue(comp.compare(lastRegiona, lastRegionaa) < 0);
    assertTrue(comp.compare(lastRegiona, lastRegionab) < 0);
    assertTrue(comp.compare(lastRegionaa, lastRegionab) < 0);
}

Example 47 with HRegionInfo

use of org.apache.hadoop.hbase.HRegionInfo in project hbase by apache.

the class TestCatalogJanitor method testCleanParent.

@Test
public void testCleanParent() throws IOException, InterruptedException {
    HBaseTestingUtility htu = new HBaseTestingUtility();
    setRootDirAndCleanIt(htu, "testCleanParent");
    MasterServices services = new MockMasterServices(htu);
    try {
        CatalogJanitor janitor = new CatalogJanitor(services);
        // Create regions.
        HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name.getMethodName()));
        htd.addFamily(new HColumnDescriptor("f"));
        HRegionInfo parent = new HRegionInfo(htd.getTableName(), Bytes.toBytes("aaa"), Bytes.toBytes("eee"));
        HRegionInfo splita = new HRegionInfo(htd.getTableName(), Bytes.toBytes("aaa"), Bytes.toBytes("ccc"));
        HRegionInfo splitb = new HRegionInfo(htd.getTableName(), Bytes.toBytes("ccc"), Bytes.toBytes("eee"));
        // Test that when both daughter regions are in place, that we do not
        // remove the parent.
        Result r = createResult(parent, splita, splitb);
        // Add a reference under splitA directory so we don't clear out the parent.
        Path rootdir = services.getMasterFileSystem().getRootDir();
        Path tabledir = FSUtils.getTableDir(rootdir, htd.getTableName());
        Path storedir = HStore.getStoreHomedir(tabledir, splita, htd.getColumnFamilies()[0].getName());
        Reference ref = Reference.createTopReference(Bytes.toBytes("ccc"));
        long now = System.currentTimeMillis();
        // Reference name has this format: StoreFile#REF_NAME_PARSER
        Path p = new Path(storedir, Long.toString(now) + "." + parent.getEncodedName());
        FileSystem fs = services.getMasterFileSystem().getFileSystem();
        Path path = ref.write(fs, p);
        assertTrue(fs.exists(path));
        assertFalse(janitor.cleanParent(parent, r));
        // Remove the reference file and try again.
        assertTrue(fs.delete(p, true));
        assertTrue(janitor.cleanParent(parent, r));
    } finally {
        services.stop("shutdown");
    }
}

Example 48 with HRegionInfo

use of org.apache.hadoop.hbase.HRegionInfo in project hbase by apache.

the class TestCatalogJanitor method testDuplicateHFileResolution.

/**
   * Test that if a store file with the same name is present as those already backed up cause the
   * already archived files to be timestamped backup
   */
@Test
public void testDuplicateHFileResolution() throws Exception {
    HBaseTestingUtility htu = new HBaseTestingUtility();
    setRootDirAndCleanIt(htu, "testCleanParent");
    MasterServices services = new MockMasterServices(htu);
    // create the janitor
    CatalogJanitor janitor = new CatalogJanitor(services);
    // Create regions.
    HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name.getMethodName()));
    htd.addFamily(new HColumnDescriptor("f"));
    HRegionInfo parent = new HRegionInfo(htd.getTableName(), Bytes.toBytes("aaa"), Bytes.toBytes("eee"));
    HRegionInfo splita = new HRegionInfo(htd.getTableName(), Bytes.toBytes("aaa"), Bytes.toBytes("ccc"));
    HRegionInfo splitb = new HRegionInfo(htd.getTableName(), Bytes.toBytes("ccc"), Bytes.toBytes("eee"));
    // Test that when both daughter regions are in place, that we do not
    // remove the parent.
    Result r = createResult(parent, splita, splitb);
    FileSystem fs = FileSystem.get(htu.getConfiguration());
    Path rootdir = services.getMasterFileSystem().getRootDir();
    // have to set the root directory since we use it in HFileDisposer to figure out to get to the
    // archive directory. Otherwise, it just seems to pick the first root directory it can find (so
    // the single test passes, but when the full suite is run, things get borked).
    FSUtils.setRootDir(fs.getConf(), rootdir);
    Path tabledir = FSUtils.getTableDir(rootdir, parent.getTable());
    Path storedir = HStore.getStoreHomedir(tabledir, parent, htd.getColumnFamilies()[0].getName());
    System.out.println("Old root:" + rootdir);
    System.out.println("Old table:" + tabledir);
    System.out.println("Old store:" + storedir);
    Path storeArchive = HFileArchiveUtil.getStoreArchivePath(services.getConfiguration(), parent, tabledir, htd.getColumnFamilies()[0].getName());
    System.out.println("Old archive:" + storeArchive);
    // enable archiving, make sure that files get archived
    addMockStoreFiles(2, services, storedir);
    // get the current store files for comparison
    FileStatus[] storeFiles = fs.listStatus(storedir);
    // do the cleaning of the parent
    assertTrue(janitor.cleanParent(parent, r));
    // and now check to make sure that the files have actually been archived
    FileStatus[] archivedStoreFiles = fs.listStatus(storeArchive);
    assertArchiveEqualToOriginal(storeFiles, archivedStoreFiles, fs);
    // now add store files with the same names as before to check backup
    // enable archiving, make sure that files get archived
    addMockStoreFiles(2, services, storedir);
    // do the cleaning of the parent
    assertTrue(janitor.cleanParent(parent, r));
    // and now check to make sure that the files have actually been archived
    archivedStoreFiles = fs.listStatus(storeArchive);
    assertArchiveEqualToOriginal(storeFiles, archivedStoreFiles, fs, true);
    // cleanup
    services.stop("Test finished");
    janitor.cancel(true);
}

Example 49 with HRegionInfo

use of org.apache.hadoop.hbase.HRegionInfo in project hbase by apache.

the class TestDistributedLogSplitting method testLogReplayForDisablingTable.

@Ignore("DLR is broken by HBASE-12751")
@Test(timeout = 300000)
public void testLogReplayForDisablingTable() throws Exception {
    LOG.info("testLogReplayForDisablingTable");
    conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
    startCluster(NUM_RS);
    final int NUM_REGIONS_TO_CREATE = 40;
    final int NUM_LOG_LINES = 1000;
    List<RegionServerThread> rsts = cluster.getLiveRegionServerThreads();
    final ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "table-creation", null);
    Table disablingHT = installTable(zkw, "disableTable", "family", NUM_REGIONS_TO_CREATE);
    Table ht = installTable(zkw, "table", "family", NUM_REGIONS_TO_CREATE, NUM_REGIONS_TO_CREATE);
    try {
        // turn off load balancing to prevent regions from moving around otherwise
        // they will consume recovered.edits
        master.balanceSwitch(false);
        List<HRegionInfo> regions = null;
        HRegionServer hrs = null;
        boolean hasRegionsForBothTables = false;
        String tableName = null;
        for (int i = 0; i < NUM_RS; i++) {
            tableName = null;
            hasRegionsForBothTables = false;
            boolean isCarryingSystem = false;
            hrs = rsts.get(i).getRegionServer();
            regions = ProtobufUtil.getOnlineRegions(hrs.getRSRpcServices());
            for (HRegionInfo region : regions) {
                if (region.getTable().isSystemTable()) {
                    isCarryingSystem = true;
                    break;
                }
                if (tableName != null && !tableName.equalsIgnoreCase(region.getTable().getNameAsString())) {
                    // make sure that we find a RS has online regions for both "table" and "disableTable"
                    hasRegionsForBothTables = true;
                    break;
                } else if (tableName == null) {
                    tableName = region.getTable().getNameAsString();
                }
            }
            if (isCarryingSystem) {
                continue;
            }
            if (hasRegionsForBothTables) {
                break;
            }
        }
        // make sure we found a good RS
        Assert.assertTrue(hasRegionsForBothTables);
        LOG.info("#regions = " + regions.size());
        Iterator<HRegionInfo> it = regions.iterator();
        while (it.hasNext()) {
            HRegionInfo region = it.next();
            if (region.isMetaTable()) {
                it.remove();
            }
        }
        makeWAL(hrs, regions, "disableTable", "family", NUM_LOG_LINES, 100, false);
        makeWAL(hrs, regions, "table", "family", NUM_LOG_LINES, 100);
        LOG.info("Disabling table\n");
        TEST_UTIL.getAdmin().disableTable(TableName.valueOf(name.getMethodName()));
        TEST_UTIL.waitTableDisabled(TableName.valueOf(name.getMethodName()).getName());
        // abort RS
        LOG.info("Aborting region server: " + hrs.getServerName());
        hrs.abort("testing");
        // wait for abort completes
        TEST_UTIL.waitFor(120000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                return (cluster.getLiveRegionServerThreads().size() <= (NUM_RS - 1));
            }
        });
        // wait for regions come online
        TEST_UTIL.waitFor(180000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                return (HBaseTestingUtility.getAllOnlineRegions(cluster).size() >= (NUM_REGIONS_TO_CREATE + 1));
            }
        });
        // wait for all regions are fully recovered
        TEST_UTIL.waitFor(180000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                List<String> recoveringRegions = zkw.getRecoverableZooKeeper().getChildren(zkw.znodePaths.recoveringRegionsZNode, false);
                ServerManager serverManager = master.getServerManager();
                return (!serverManager.areDeadServersInProgress() && recoveringRegions != null && recoveringRegions.isEmpty());
            }
        });
        int count = 0;
        FileSystem fs = master.getMasterFileSystem().getFileSystem();
        Path rootdir = FSUtils.getRootDir(conf);
        Path tdir = FSUtils.getTableDir(rootdir, TableName.valueOf(name.getMethodName()));
        for (HRegionInfo hri : regions) {
            Path editsdir = WALSplitter.getRegionDirRecoveredEditsDir(HRegion.getRegionDir(tdir, hri.getEncodedName()));
            LOG.debug("checking edits dir " + editsdir);
            if (!fs.exists(editsdir))
                continue;
            FileStatus[] files = fs.listStatus(editsdir, new PathFilter() {

                @Override
                public boolean accept(Path p) {
                    if (WALSplitter.isSequenceIdFile(p)) {
                        return false;
                    }
                    return true;
                }
            });
            if (files != null) {
                for (FileStatus file : files) {
                    int c = countWAL(file.getPath(), fs, conf);
                    count += c;
                    LOG.info(c + " edits in " + file.getPath());
                }
            }
        }
        LOG.info("Verify edits in recovered.edits files");
        assertEquals(NUM_LOG_LINES, count);
        LOG.info("Verify replayed edits");
        assertEquals(NUM_LOG_LINES, TEST_UTIL.countRows(ht));
        // clean up
        for (HRegionInfo hri : regions) {
            Path editsdir = WALSplitter.getRegionDirRecoveredEditsDir(HRegion.getRegionDir(tdir, hri.getEncodedName()));
            fs.delete(editsdir, true);
        }
        disablingHT.close();
    } finally {
        if (ht != null)
            ht.close();
        if (zkw != null)
            zkw.close();
    }
}

Example 50 with HRegionInfo

use of org.apache.hadoop.hbase.HRegionInfo 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();
    }
}