Examples of org.apache.hadoop.hbase.regionserver.wal.HLog$Entry

Package org.apache.hadoop.hbase.regionserver.wal

Examples of org.apache.hadoop.hbase.regionserver.wal.HLog$Entry

org.apache.hadoop.hbase.regionserver.wal.HLog
Utility class that lets us keep track of the edit with it's key Only used when splitting logs

   * @param oldLogDir
   * @return WAL instance.
   * @throws IOException
   */
  protected HLog instantiateHLog(Path logdir, Path oldLogDir) throws IOException {
    return new HLog(this.fs.getBackingFs(), logdir, oldLogDir, this.conf,
      getWALActionListeners(), this.serverNameFromMasterPOV.toString());
  }

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    return c.getBlockCacheColumnFamilySummaries(this.conf);
  }


  @Override
  public byte[][] rollHLogWriter() throws IOException, FailedLogCloseException {
    HLog wal = this.getWAL();
    return wal.rollWriter(true);
  }

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    }
    numRows -= 2;
  }


  protected void tearDown() throws Exception {
    HLog hlog = region.getLog();
    region.close();
    hlog.closeAndDelete();
    super.tearDown();
  }

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      results.clear();
    }
    Assert.assertEquals(2, resultCount);
    scanner.close();


    HLog hlog = testRegion.getLog();
    testRegion.close();
    hlog.closeAndDelete();
  }

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      Assert.assertTrue(Bytes.equals(results.get(0).getRow(), Bytes.toBytes("row" + i)));
      Assert.assertEquals(Bytes.toInt(results.get(0).getValue()), i%2);
      results.clear();
    }
    Assert.assertFalse(scanner.next(results));
    HLog hlog = testRegion.getLog();
    testRegion.close();
    hlog.closeAndDelete();
  }

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      = HLog.getHLogDirectoryName(this.serverNameFromMasterPOV.toString());


      Path logdir = new Path(rootDir, logName);
      final Path oldLogDir = new Path(rootDir, HConstants.HREGION_OLDLOGDIR_NAME);
      if (LOG.isDebugEnabled()) LOG.debug("logdir=" + logdir);
      this.hlogForMeta = new HLog(this.fs.getBackingFs(), logdir, oldLogDir, this.conf,
          getMetaWALActionListeners(), false, this.serverNameFromMasterPOV.toString(), true);
    }
    return this.hlogForMeta;
  }

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   * @param oldLogDir
   * @return WAL instance.
   * @throws IOException
   */
  protected HLog instantiateHLog(Path logdir, Path oldLogDir) throws IOException {
    return new HLog(this.fs.getBackingFs(), logdir, oldLogDir, this.conf,
      getWALActionListeners(), this.serverNameFromMasterPOV.toString());
  }

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    return c.getBlockCacheColumnFamilySummaries(this.conf);
  }


  @Override
  public byte[][] rollHLogWriter() throws IOException, FailedLogCloseException {
    HLog wal = this.getWAL();
    return wal.rollWriter(true);
  }

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      final boolean expectSyncFromLogSyncer) throws Exception {
    method = method + "_" + tableDurability.name() + "_" + mutationDurability.name();
    TableName tableName = TableName.valueOf(method);
    byte[] family = Bytes.toBytes("family");
    Path logDir = new Path(new Path(DIR + method), "log");
    HLog hlog = HLogFactory.createHLog(fs, logDir, UUID.randomUUID().toString(), conf);
    final HLog log = spy(hlog);
    this.region = initHRegion(tableName.getName(), HConstants.EMPTY_START_ROW,
        HConstants.EMPTY_END_ROW, method, conf, false, tableDurability, log,
        new byte[][] { family });


    Put put = new Put(Bytes.toBytes("r1"));

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  @Override
  public boolean removeFromOnlineRegions(final HRegion r, ServerName destination) {
    HRegion toReturn = this.onlineRegions.remove(r.getRegionInfo().getEncodedName());


    if (destination != null) {
      HLog wal = getWAL();
      long closeSeqNum = wal.getEarliestMemstoreSeqNum(r.getRegionInfo().getEncodedNameAsBytes());
      if (closeSeqNum == HConstants.NO_SEQNUM) {
        // No edits in WAL for this region; get the sequence number when the region was opened.
        closeSeqNum = r.getOpenSeqNum();
        if (closeSeqNum == HConstants.NO_SEQNUM) {
          closeSeqNum = 0;

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