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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                snapshotTimeRangeTracker, flushedSize, status);
          }
        };
      }
    };
    long seqid = region.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all
    // regions.
    wal.setSequenceNumber(seqid);


    int writtenRowCount = 10;

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    runWALSplit(this.conf);
    HLog wal2 = createWAL(this.conf);
    Mockito.doReturn(false).when(rsServices).isAborted();
    HRegion region2 = new HRegion(basedir, wal2, this.fs, this.conf, hri, htd,
        rsServices);
    long seqid2 = region2.initialize();
    // HRegionServer usually does this. It knows the largest seqid across all
    // regions.
    wal2.setSequenceNumber(seqid2);


    scanner = region2.getScanner(new Scan());

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                  Mockito.mock(MonitoredTask.class));
              flushcount.incrementAndGet();
              return fs;
            };
          };
          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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  HRegion reopenRegion(final HRegion closedRegion, Class<?> ... implClasses)
      throws IOException {
    //HRegionInfo info = new HRegionInfo(tableName, null, null, false);
    HRegion r = new HRegion(closedRegion);
    r.initialize();


    // this following piece is a hack. currently a coprocessorHost
    // is secretly loaded at OpenRegionHandler. we don't really
    // start a region server here, so just manually create cphost
    // and set it to region.

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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());
    r.initialize(null, new Progressable() {
      public void progress() {
        addProcessingMessage(regionInfo);
      }
    });
    return r;

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