Package org.apache.hadoop.hbase.regionserver

Examples of org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher

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    TableName TABLENAME =
        TableName.valueOf("TestHBACloseRegion");
    createTableWithDefaultConf(TABLENAME);

    HRegionInfo info = null;
    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);
    List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
    for (HRegionInfo regionInfo : onlineRegions) {
      if (!regionInfo.getTable().isSystemTable()) {
        info = regionInfo;
        admin.closeRegionWithEncodedRegionName(regionInfo.getEncodedName(), rs
            .getServerName().getServerName());
      }
    }
    boolean isInList = ProtobufUtil.getOnlineRegions(rs).contains(info);
    long timeout = System.currentTimeMillis() + 10000;
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  public void testCloseRegionIfInvalidRegionNameIsPassed() throws Exception {
    byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion1");
    createTableWithDefaultConf(TABLENAME);

    HRegionInfo info = null;
    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);
    List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
    for (HRegionInfo regionInfo : onlineRegions) {
      if (!regionInfo.isMetaTable()) {
        if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion1")) {
          info = regionInfo;
          try {
            admin.closeRegionWithEncodedRegionName("sample", rs.getServerName()
              .getServerName());
          } catch (NotServingRegionException nsre) {
            // expected, ignore it
          }
        }
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    TableName TABLENAME =
        TableName.valueOf("TestHBACloseRegion2");
    createTableWithDefaultConf(TABLENAME);

    HRegionInfo info = null;
    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);
    List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
    for (HRegionInfo regionInfo : onlineRegions) {
      if (!regionInfo.isMetaTable()) {

        if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion2")) {
          info = regionInfo;
          admin.closeRegion(regionInfo.getRegionNameAsString(), rs
              .getServerName().getServerName());
        }
      }
    }
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  @Test (timeout=300000)
  public void testCloseRegionWhenServerNameIsNull() throws Exception {
    byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion3");
    createTableWithDefaultConf(TABLENAME);

    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);

    try {
      List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
      for (HRegionInfo regionInfo : onlineRegions) {
        if (!regionInfo.isMetaTable()) {
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  @Test (timeout=300000)
  public void testCloseRegionWhenServerNameIsEmpty() throws Exception {
    byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegionWhenServerNameIsEmpty");
    createTableWithDefaultConf(TABLENAME);

    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);

    try {
      List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
      for (HRegionInfo regionInfo : onlineRegions) {
        if (!regionInfo.isMetaTable()) {
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  public void testCloseRegionWhenEncodedRegionNameIsNotGiven() throws Exception {
    byte[] TABLENAME = Bytes.toBytes("TestHBACloseRegion4");
    createTableWithDefaultConf(TABLENAME);

    HRegionInfo info = null;
    HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLENAME);

    List<HRegionInfo> onlineRegions = ProtobufUtil.getOnlineRegions(rs);
    for (HRegionInfo regionInfo : onlineRegions) {
      if (!regionInfo.isMetaTable()) {
        if (regionInfo.getRegionNameAsString().contains("TestHBACloseRegion4")) {
          info = regionInfo;
          try {
            admin.closeRegionWithEncodedRegionName(regionInfo
              .getRegionNameAsString(), rs.getServerName().getServerName());
          } catch (NotServingRegionException nsre) {
            // expected, ignore it.
          }
        }
      }
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    StringBuilder v = new StringBuilder(className);
    while (v.length() < 1000) {
      v.append(className);
    }
    byte[] value = Bytes.toBytes(v.toString());
    HRegionServer regionServer = startAndWriteData("TestLogRolling", value);
    LOG.info("after writing there are "
        + HLogUtilsForTests.getNumRolledLogFiles(regionServer.getWAL()) + " log files");

    // flush all regions

    List<HRegion> regions = new ArrayList<HRegion>(regionServer
        .getOnlineRegionsLocalContext());
    for (HRegion r : regions) {
      r.flushcache();
    }
    admin.rollHLogWriter(regionServer.getServerName().getServerName());
    int count = HLogUtilsForTests.getNumRolledLogFiles(regionServer.getWAL());
    LOG.info("after flushing all regions and rolling logs there are " +
        count + " log files");
    assertTrue(("actual count: " + count), count <= 2);
  }
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    HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(tableName));
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc);
    HTable table = new HTable(TEST_UTIL.getConfiguration(), tableName);

    HRegionServer regionServer = TEST_UTIL.getRSForFirstRegionInTable(Bytes.toBytes(tableName));
    for (int i = 1; i <= 256; i++) { // 256 writes should cause 8 log rolls
      Put put = new Put(Bytes.toBytes("row" + String.format("%1$04d", i)));
      put.add(HConstants.CATALOG_FAMILY, null, value);
      table.put(put);
      if (i % 32 == 0) {
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    HRegionLocation loc = ht.getRegionLocation(ROW);
    HRegionInfo hri = loc.getRegionInfo();
    MiniHBaseCluster cluster = TEST_UTIL.getMiniHBaseCluster();
    byte[] regionName = hri.getRegionName();
    int i = cluster.getServerWith(regionName);
    HRegionServer rs = cluster.getRegionServer(i);
    ProtobufUtil.closeRegion(rs, regionName, false);
    long startTime = EnvironmentEdgeManager.currentTimeMillis();
    long timeOut = 300000;
    while (true) {
      if (rs.getOnlineRegion(regionName) == null) {
        break;
      }
      assertTrue("Timed out in closing the testing region",
        EnvironmentEdgeManager.currentTimeMillis() < startTime + timeOut);
      Thread.sleep(500);
    }

    // Now open the region again.
    ZooKeeperWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
    try {
      HMaster master = cluster.getMaster();
      RegionStates states = master.getAssignmentManager().getRegionStates();
      states.regionOffline(hri);
      states.updateRegionState(hri, State.OPENING);
      ZKAssign.createNodeOffline(zkw, hri, loc.getServerName());
      ProtobufUtil.openRegion(rs, hri);
      startTime = EnvironmentEdgeManager.currentTimeMillis();
      while (true) {
        if (rs.getOnlineRegion(regionName) != null) {
          break;
        }
        assertTrue("Timed out in open the testing region",
          EnvironmentEdgeManager.currentTimeMillis() < startTime + timeOut);
        Thread.sleep(500);
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    desc.setDeferredLogFlush(true);

    admin.createTable(desc);
    HTable table = new HTable(TEST_UTIL.getConfiguration(), tableName);

    HRegionServer server = TEST_UTIL.getRSForFirstRegionInTable(Bytes.toBytes(tableName));
    HLog log = server.getWAL();

    assertTrue("Need HDFS-826 for this test", log.canGetCurReplicas());
    // don't run this test without append support (HDFS-200 & HDFS-142)
    assertTrue("Need append support for this test",
        FSUtils.isAppendSupported(TEST_UTIL.getConfiguration()));
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