Package org.apache.hadoop.hbase.io

Examples of org.apache.hadoop.hbase.io.HeapSize

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        new LruBlockCache(8 * 1024 * 1024, 32 * 1024);
    HFileBlock cacheBlock = blockEncoder.diskToCacheFormat(block, false);
    BlockCacheKey cacheKey = new BlockCacheKey("test", 0);
    blockCache.cacheBlock(cacheKey, cacheBlock);

    HeapSize heapSize = blockCache.getBlock(cacheKey, false, false);
    assertTrue(heapSize instanceof HFileBlock);

    HFileBlock returnedBlock = (HFileBlock) heapSize;;

    if (blockEncoder.getEncodingInCache() ==
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    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Re-add same blocks and ensure nothing has changed
    for (CachedItem block : blocks) {
      try {
        cache.cacheBlock(block.cacheKey, block);
        assertTrue("Cache should not allow re-caching a block", false);
      } catch(RuntimeException re) {
        // expected
      }
    }

    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Expect no evictions
    assertEquals(0, cache.getEvictionCount());
    Thread t = new LruBlockCache.StatisticsThread(cache);
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    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Re-add same blocks and ensure nothing has changed
    long expectedBlockCount = cache.getBlockCount();
    for (CachedItem block : blocks) {
      cache.cacheBlock(block.cacheKey, block);
    }
    assertEquals(
            "Cache should ignore cache requests for blocks already in cache",
            expectedBlockCount, cache.getBlockCount());
   
    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Expect no evictions
    assertEquals(0, cache.getStats().getEvictionCount());
    Thread t = new LruBlockCache.StatisticsThread(cache);
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    LruBlockCache blockCache =
        new LruBlockCache(8 * 1024 * 1024, 32 * 1024);
    BlockCacheKey cacheKey = new BlockCacheKey("test", 0);
    blockCache.cacheBlock(cacheKey, cacheBlock);

    HeapSize heapSize = blockCache.getBlock(cacheKey, false, false, true);
    assertTrue(heapSize instanceof HFileBlock);

    HFileBlock returnedBlock = (HFileBlock) heapSize;;

    if (blockEncoder.getDataBlockEncoding() ==
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    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Expect no evictions
    assertEquals(0, cache.getStats().getEvictionCount());
    Thread t = new LruBlockCache.StatisticsThread(cache);
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    LruBlockCache blockCache =
        new LruBlockCache(8 * 1024 * 1024, 32 * 1024);
    BlockCacheKey cacheKey = new BlockCacheKey("test", 0);
    blockCache.cacheBlock(cacheKey, cacheBlock);

    HeapSize heapSize = blockCache.getBlock(cacheKey, false, false, true);
    assertTrue(heapSize instanceof HFileBlock);

    HFileBlock returnedBlock = (HFileBlock) heapSize;;

    if (blockEncoder.getDataBlockEncoding() ==
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        new LruBlockCache(8 * 1024 * 1024, 32 * 1024);
    HFileBlock cacheBlock = blockEncoder.diskToCacheFormat(block, false);
    BlockCacheKey cacheKey = new BlockCacheKey("test", 0);
    blockCache.cacheBlock(cacheKey, cacheBlock);

    HeapSize heapSize = blockCache.getBlock(cacheKey, false);
    assertTrue(heapSize instanceof HFileBlock);

    HFileBlock returnedBlock = (HFileBlock) heapSize;;

    if (blockEncoder.getEncodingInCache() ==
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    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Re-add same blocks and ensure nothing has changed
    for (CachedItem block : blocks) {
      try {
        cache.cacheBlock(block.cacheKey, block);
        assertTrue("Cache should not allow re-caching a block", false);
      } catch(RuntimeException re) {
        // expected
      }
    }

    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Expect no evictions
    assertEquals(0, cache.getEvictionCount());
    Thread t = new LruBlockCache.StatisticsThread(cache);
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    LruBlockCache blockCache =
        new LruBlockCache(8 * 1024 * 1024, 32 * 1024);
    BlockCacheKey cacheKey = new BlockCacheKey("test", 0);
    blockCache.cacheBlock(cacheKey, cacheBlock);

    HeapSize heapSize = blockCache.getBlock(cacheKey, false, false, true);
    assertTrue(heapSize instanceof HFileBlock);

    HFileBlock returnedBlock = (HFileBlock) heapSize;;

    if (blockEncoder.getDataBlockEncoding() ==
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    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Re-add same blocks and ensure nothing has changed
    long expectedBlockCount = cache.getBlockCount();
    for (CachedItem block : blocks) {
      cache.cacheBlock(block.cacheKey, block);
    }
    assertEquals(
            "Cache should ignore cache requests for blocks already in cache",
            expectedBlockCount, cache.getBlockCount());
   
    // Verify correctly calculated cache heap size
    assertEquals(expectedCacheSize, cache.heapSize());

    // Check if all blocks are properly cached and retrieved
    for (CachedItem block : blocks) {
      HeapSize buf = cache.getBlock(block.cacheKey, true, false, true);
      assertTrue(buf != null);
      assertEquals(buf.heapSize(), block.heapSize());
    }

    // Expect no evictions
    assertEquals(0, cache.getStats().getEvictionCount());
    Thread t = new LruBlockCache.StatisticsThread(cache);
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Related Classes of org.apache.hadoop.hbase.io.HeapSize

  • org.apache.hadoop.hbase.io.hfile.TestHFileDataBlockEncoder
  • org.apache.hadoop.hbase.io.hfile.TestLruBlockCache
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