Examples of org.apache.hadoop.hbase.regionserver.HRegion.initialize()

Package org.apache.hadoop.hbase.regionserver

Class org.apache.hadoop.hbase.regionserver.HRegion

Examples of org.apache.hadoop.hbase.regionserver.HRegion.initialize()

org.apache.hadoop.hbase.regionserver.HRegion.initialize()
Initialize this region. @return What the next sequence (edit) id should be. @throws IOException e

    region.close(true);
    wal.close();
    runWALSplit(this.conf);
    HLog wal2 = createWAL(this.conf);
    HRegion region2 = new HRegion(basedir, wal2, this.fs, this.conf, hri, htd, null);
    long seqid2 = region2.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all regions.
    wal2.setSequenceNumber(seqid2);
    assertTrue(seqid + result.size() < seqid2);
    final Result result1b = region2.get(g, null);
    assertEquals(result.size(), result1b.size());

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            boolean b = super.restoreEdit(s, kv);
            countOfRestoredEdits.incrementAndGet();
            return b;
          }
        };
        long seqid3 = region3.initialize();
        // HRegionServer usually does this. It knows the largest seqid across all regions.
        wal3.setSequenceNumber(seqid3);
        Result result3 = region3.get(g, null);
        // Assert that count of cells is same as before crash.
        assertEquals(result2.size(), result3.size());

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    // Write countPerFamily edits into the three families.  Do a flush on one
    // of the families during the load of edits so its seqid is not same as
    // others to test we do right thing when different seqids.
    HLog wal = createWAL(this.conf);
    HRegion region = new HRegion(basedir, wal, this.fs, this.conf, hri, htd, null);
    long seqid = region.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all regions.
    wal.setSequenceNumber(seqid);
    for (HColumnDescriptor hcd: htd.getFamilies()) {
      addRegionEdits(rowName, hcd.getName(), countPerFamily, this.ee, region, "x");
    }

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    // Let us try to split and recover
    runWALSplit(this.conf);
    HLog wal2 = createWAL(this.conf);
    HRegion region2 = new HRegion(basedir, wal2, this.fs, this.conf, hri, htd, null);
    long seqid2 = region2.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all regions.
    wal2.setSequenceNumber(seqid2);
    assertTrue(seqid + result.size() < seqid2);


    final Result result1b = region2.get(g, null);

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                  Mockito.mock(MonitoredTask.class));
              flushcount.incrementAndGet();
              return b;
            };
          };
          long seqid = region.initialize();
          // We flushed during init.
          assertTrue("Flushcount=" + flushcount.get(), flushcount.get() > 0);
          assertTrue(seqid > wal.getSequenceNumber());


          Get get = new Get(rowName);

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    // Mock the HLog
    MockHLog wal = createMockWAL(this.conf);
    
    HRegion region = new HRegion(basedir, wal, this.fs, this.conf, hri, htd, null);
    long seqid = region.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all
    // regions.
    wal.setSequenceNumber(seqid);
    for (HColumnDescriptor hcd : htd.getFamilies()) {
      addRegionEdits(rowName, hcd.getName(), countPerFamily, this.ee, region, "x");

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  protected HRegion instantiateRegion(final HRegionInfo regionInfo)
      throws IOException {
    HRegion r = new TransactionalRegion(HTableDescriptor.getTableDir(super
        .getRootDir(), regionInfo.getTableDesc().getName()), super.log, super
        .getFileSystem(), super.conf, regionInfo, super.getFlushRequester(), this.transactionLeases);
    r.initialize(null, new Progressable() {
      public void progress() {
        addProcessingMessage(regionInfo);
      }
    });
    return r;

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          currentRegion.initialize(null, null);
          currentSize = currentRegion.getLargestHStoreSize();
        }
        nextRegion =
          new HRegion(tabledir, hlog, fs, conf, info[i + 1], null);
        nextRegion.initialize(null, null);
        nextSize = nextRegion.getLargestHStoreSize();


        if ((currentSize + nextSize) <= (maxFilesize / 2)) {
          // We merge two adjacent regions if their total size is less than
          // one half of the desired maximum size

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  protected HRegion instantiateRegion(final HRegionInfo regionInfo)
      throws IOException {
    HRegion r = new IndexedRegion(HTableDescriptor.getTableDir(super
        .getRootDir(), regionInfo.getTableDesc().getName()), super.log, super
        .getFileSystem(), super.conf, regionInfo, super.getFlushRequester(), super.getLeases());
    r.initialize(null, new Progressable() {
      public void progress() {
        addProcessingMessage(regionInfo);
      }
    });
    return r;

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  protected HRegion openClosedRegion(final HRegion closedRegion)
  throws IOException {
    HRegion r = new HRegion(closedRegion.getBaseDir(), closedRegion.getLog(),
        closedRegion.getFilesystem(), closedRegion.getConf(),
        closedRegion.getRegionInfo(), null);
    r.initialize(null, null);
    return r;
  }
  
  /**
   * Create a table of name <code>name</code> with {@link COLUMNS} for

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