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

Package org.apache.hadoop.hbase.regionserver

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

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

org.apache.hadoop.hbase.regionserver.HRegion.compactStores()
This is a helper function that compact all the stores synchronously It is used by utilities and testing @param majorCompaction True to force a major compaction regardless of thresholds @throws IOException e

    for (int i = 0; i < 3; i++) {
      addContent(region, fam3);
      region.flushcache();
    }


    region.compactStores();


    byte [] splitRow = region.checkSplit();


    assertNotNull(splitRow);
    HRegion [] regions = split(region, splitRow);

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  }


  private HRegion openMetaRegion(HRegionInfo metaInfo) throws IOException {
    HRegion meta =
      HRegion.openHRegion(metaInfo, this.rootdir, getLog(), this.conf);
    meta.compactStores();
    return meta;
  }
 
  /**
   * Set a single region on/offline.

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  }


  private HRegion openMetaRegion(HRegionInfo metaInfo) throws IOException {
    HRegion meta =
      HRegion.openHRegion(metaInfo, this.rootdir, getLog(), this.conf);
    meta.compactStores();
    return meta;
  }
 
  /**
   * Set a single region on/offline.

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    assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
    // compact, net minus two blocks, two hits, no misses
    System.out.println("Compacting");
    assertEquals(2, store.getStorefilesCount());
    store.triggerMajorCompaction();
    region.compactStores();
    waitForStoreFileCount(store, 1, 10000); // wait 10 seconds max
    assertEquals(1, store.getStorefilesCount());
    expectedBlockCount -= 2; // evicted two blocks, cached none
    assertEquals(expectedBlockCount, cache.getBlockCount());
    expectedBlockHits += 2;

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    LruBlockCache blockCache =
        (LruBlockCache) new CacheConfig(conf).getBlockCache();
    blockCache.clearCache();
    assertEquals(0, blockCache.getBlockTypeCountsForTest().size());
    Map<String, Long> metricsBefore = SchemaMetrics.getMetricsSnapshot();
    region.compactStores();
    LOG.debug("compactStores() returned");
    SchemaMetrics.validateMetricChanges(metricsBefore);
    Map<String, Long> compactionMetrics = SchemaMetrics.diffMetrics(
        metricsBefore, SchemaMetrics.getMetricsSnapshot());
    LOG.debug(SchemaMetrics.formatMetrics(compactionMetrics));

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    assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
    // compact, net minus two blocks, two hits, no misses
    System.out.println("Compacting");
    assertEquals(2, store.getNumberOfStoreFiles());
    store.triggerMajorCompaction();
    region.compactStores();
    waitForStoreFileCount(store, 1, 10000); // wait 10 seconds max
    assertEquals(1, store.getNumberOfStoreFiles());
    expectedBlockCount -= 2; // evicted two blocks, cached none
    assertEquals(expectedBlockCount, cache.getBlockCount());
    expectedBlockHits += 2;

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  }


  private HRegion openMetaRegion(HRegionInfo metaInfo) throws IOException {
    HRegion meta =
      HRegion.openHRegion(metaInfo, this.rootdir, getLog(), this.conf);
    meta.compactStores();
    return meta;
  }
 
  /**
   * Set a single region on/offline.

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    assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
    // compact, net minus two blocks, two hits, no misses
    System.out.println("Compacting");
    assertEquals(2, store.getNumberOfStoreFiles());
    store.triggerMajorCompaction();
    region.compactStores();
    waitForStoreFileCount(store, 1, 10000); // wait 10 seconds max
    assertEquals(1, store.getNumberOfStoreFiles());
    expectedBlockCount -= 2; // evicted two blocks, cached none
    assertEquals(expectedBlockCount, cache.getBlockCount());
    expectedBlockHits += 2;

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    for (int i = 0; i < 3; i++) {
      addContent(region, fam3);
      region.flushcache();
    }


    region.compactStores();


    byte [] splitRow = region.checkSplit();


    assertNotNull(splitRow);
    HRegion [] regions = split(region, splitRow);

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    assertEquals(expectedBlockMiss, cache.getStats().getMissCount());
    // compact, net minus two blocks, two hits, no misses
    System.out.println("Compacting");
    assertEquals(2, store.getStorefilesCount());
    store.triggerMajorCompaction();
    region.compactStores();
    waitForStoreFileCount(store, 1, 10000); // wait 10 seconds max
    assertEquals(1, store.getStorefilesCount());
    expectedBlockCount -= 2; // evicted two blocks, cached none
    assertEquals(expectedBlockCount, cache.getBlockCount());
    expectedBlockHits += 2;

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