List of mergeRegions() Examples

Examples of mergeRegions()

org.apache.hadoop.hbase.client.Admin.mergeRegions()
Merge two regions. Asynchronous operation. @param encodedNameOfRegionA encoded name of region a @param encodedNameOfRegionB encoded name of region b @param forcible true if do a compulsory merge, otherwise we will only merge two adjacentregions @throws IOException
org.apache.hadoop.hbase.client.HBaseAdmin.mergeRegions()
Merge two regions. Asynchronous operation. @param encodedNameOfRegionA encoded name of region a @param encodedNameOfRegionB encoded name of region b @param forcible true if do a compulsory merge, otherwise we will only mergetwo adjacent regions @throws IOException

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

      desc = new HTableDescriptor(TableName.valueOf(TABLENAME2));
      desc.addFamily(new HColumnDescriptor(FAM));
      admin.createTable(desc, new byte[][] { Bytes.toBytes("row") });
      assertFalse(regionServerObserver.wasRegionMergeCalled());
      List<HRegion> regions = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME));
      admin.mergeRegions(regions.get(0).getRegionInfo().getEncodedNameAsBytes(), regions.get(1)
          .getRegionInfo().getEncodedNameAsBytes(), true);
      int regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
      while (regionsCount != 1) {
        regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
        Thread.sleep(1000);

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

      // Merge the two regions
      LOG.info("Merge Regions");
      listener.reset();
      List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
      assertEquals(2, regions.size());
      admin.mergeRegions(regions.get(0).getEncodedNameAsBytes(),
        regions.get(1).getEncodedNameAsBytes(), true);
      listener.awaitModifications(3);
      assertEquals(1, admin.getTableRegions(TABLE_NAME).size());
      assertEquals(1, listener.getLoadCount());     // new merged region added
      assertEquals(2, listener.getCloseCount());    // daughters removed

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

      }
    });


    int numRegions = admin.getTableRegions(TABLE_NAME).size();
    int numRegionsAfterMerge = numRegions - 2;
    admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
        regions.get(2).getEncodedNameAsBytes(), true);
    admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
        regions.get(6).getEncodedNameAsBytes(), true);


    waitRegionsAfterMerge(numRegionsAfterMerge);

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


    int numRegions = admin.getTableRegions(TABLE_NAME).size();
    int numRegionsAfterMerge = numRegions - 2;
    admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
        regions.get(2).getEncodedNameAsBytes(), true);
    admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
        regions.get(6).getEncodedNameAsBytes(), true);


    waitRegionsAfterMerge(numRegionsAfterMerge);
    assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());

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


      assertNotEquals(region1, region2);


      // do a region merge
      Admin admin = TEST_UTIL.getHBaseAdmin();
      admin.mergeRegions(region1.getEncodedNameAsBytes(),
          region2.getEncodedNameAsBytes(), false);


      // wait until region merged
      long timeout = System.currentTimeMillis() + 30 * 1000;
      while (true) {

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

      }
    });


    int numRegions = admin.getTableRegions(TABLE_NAME).size();
    int numRegionsAfterMerge = numRegions - 2;
    admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
        regions.get(2).getEncodedNameAsBytes(), true);
    admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
        regions.get(6).getEncodedNameAsBytes(), true);


    // Verify that there's one region less

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


    int numRegions = admin.getTableRegions(TABLE_NAME).size();
    int numRegionsAfterMerge = numRegions - 2;
    admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
        regions.get(2).getEncodedNameAsBytes(), true);
    admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
        regions.get(6).getEncodedNameAsBytes(), true);


    // Verify that there's one region less
    waitRegionsAfterMerge(numRegionsAfterMerge);
    assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());

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

    int i = RandomUtils.nextInt(regions.size() - 1);
    HRegionInfo a = regions.get(i++);
    HRegionInfo b = regions.get(i);
    LOG.debug("Merging " + a.getRegionNameAsString() + " and " + b.getRegionNameAsString());
    try {
      admin.mergeRegions(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false);
    } catch (Exception ex) {
      LOG.warn("Merge failed, might be caused by other chaos: " + ex.getMessage());
    }
    if (sleepTime > 0) {
      Thread.sleep(sleepTime);

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

      desc = new HTableDescriptor(TableName.valueOf(TABLENAME2));
      desc.addFamily(new HColumnDescriptor(FAM));
      admin.createTable(desc, new byte[][] { Bytes.toBytes("row") });
      assertFalse(regionServerObserver.wasRegionMergeCalled());
      List<HRegion> regions = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME));
      admin.mergeRegions(regions.get(0).getRegionInfo().getEncodedNameAsBytes(), regions.get(1)
          .getRegionInfo().getEncodedNameAsBytes(), true);
      int regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
      while (regionsCount != 1) {
        regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
        Thread.sleep(1000);

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


      assertNotEquals(region1, region2);


      // do a region merge
      Admin admin = TEST_UTIL.getHBaseAdmin();
      admin.mergeRegions(region1.getEncodedNameAsBytes(),
          region2.getEncodedNameAsBytes(), false);


      // wait until region merged
      long timeout = System.currentTimeMillis() + 30 * 1000;
      while (true) {

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