Examples of org.apache.hadoop.hbase.client.Admin.flushRegion()

Class org.apache.hadoop.hbase.client.Admin

Examples of org.apache.hadoop.hbase.client.Admin.flushRegion()

org.apache.hadoop.hbase.client.Admin.flushRegion()
Flush an individual region. Synchronous operation. @param regionName region to flush @throws IOException if a remote or network exception occurs @throws InterruptedException


    HRegionServer rs = UTIL.getRSForFirstRegionInTable(desc.getTableName());
    List<HRegion> regions = rs.getOnlineRegions(desc.getTableName());
    assertEquals("More than 1 region serving test table with 1 row", 1, regions.size());
    HRegion region = regions.get(0);
    admin.flushRegion(region.getRegionName());
    CountDownLatch latch = ((CompactionCompletionNotifyingRegion)region)
        .getCompactionStateChangeLatch();


    // put another row and flush that too
    put = new Put(Bytes.toBytes("anotherrow"));

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    // put another row and flush that too
    put = new Put(Bytes.toBytes("anotherrow"));
    put.add(A, A, A);
    table.put(put);
    table.flushCommits();
    admin.flushRegion(region.getRegionName());


    // run a compaction, which normally would should get rid of the data
    // wait for the compaction checker to complete
    latch.await();
    // check both rows to ensure that they aren't there

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      public void chore() {
        try {
          HRegion region = TEST_UTIL.getSplittableRegion(tableName, -1);
          if (region != null) {
            byte[] regionName = region.getRegionName();
            admin.flushRegion(regionName);
            admin.compactRegion(regionName);
            admin.splitRegion(regionName);
          } else {
            LOG.warn("Could not find suitable region for the table.  Possibly the " +
              "region got closed and the attempts got over before " +

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    HRegionInfo region = PolicyBasedChaosMonkey.selectRandomItem(
      regions.toArray(new HRegionInfo[regions.size()]));
    LOG.debug("Flushing region " + region.getRegionNameAsString());
    try {
      admin.flushRegion(region.getRegionName());
    } catch (Exception ex) {
      LOG.warn("Flush failed, might be caused by other chaos: " + ex.getMessage());
    }
    if (sleepTime > 0) {
      Thread.sleep(sleepTime);

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    HRegionServer rs = UTIL.getRSForFirstRegionInTable(desc.getTableName());
    List<HRegion> regions = rs.getOnlineRegions(desc.getTableName());
    assertEquals("More than 1 region serving test table with 1 row", 1, regions.size());
    HRegion region = regions.get(0);
    admin.flushRegion(region.getRegionName());
    CountDownLatch latch = ((CompactionCompletionNotifyingRegion)region)
        .getCompactionStateChangeLatch();


    // put another row and flush that too
    put = new Put(Bytes.toBytes("anotherrow"));

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    // put another row and flush that too
    put = new Put(Bytes.toBytes("anotherrow"));
    put.add(A, A, A);
    table.put(put);
    table.flushCommits();
    admin.flushRegion(region.getRegionName());


    // run a compaction, which normally would should get rid of the data
    // wait for the compaction checker to complete
    latch.await();
    // check both rows to ensure that they aren't there

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      public void chore() {
        try {
          HRegion region = TEST_UTIL.getSplittableRegion(tableName, -1);
          if (region != null) {
            byte[] regionName = region.getRegionName();
            admin.flushRegion(regionName);
            admin.compactRegion(regionName);
            admin.splitRegion(regionName);
          } else {
            LOG.warn("Could not find suitable region for the table.  Possibly the " +
              "region got closed and the attempts got over before " +

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