List of cacheBlock() Examples

Examples of cacheBlock()

org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()
Cache the block with the specified name and buffer.
It is assumed this will NEVER be called on an already cached block. If that is done, it is assumed that you are reinserting the same exact block due to a race condition and will update the buffer but not modify the size of the cache. @param blockName block name @param buf block buffer @param inMemory if block is in-memory

Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    
    // Oldest multi block should be evicted now
    assertEquals(null, cache.getBlock(multiBlocks[0].blockName));
    
    // Insert another memory block
    cache.cacheBlock(memoryBlocks[3].blockName, memoryBlocks[3].buf, true);
    
    // Three evictions, three evicted.
    assertEquals(3, cache.getEvictionCount());
    assertEquals(3, cache.getEvictedCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    // Oldest memory block should be evicted now
    assertEquals(null, cache.getBlock(memoryBlocks[0].blockName));
    
    // Add a block that is twice as big (should force two evictions)
    Block[] bigBlocks = generateFixedBlocks(3, blockSize * 3, "big");
    cache.cacheBlock(bigBlocks[0].blockName, bigBlocks[0].buf);
    
    // Four evictions, six evicted (inserted block 3X size, expect +3 evicted)
    assertEquals(4, cache.getEvictionCount());
    assertEquals(6, cache.getEvictedCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    
    // Make the big block a multi block
    cache.getBlock(bigBlocks[0].blockName);
    
    // Cache another single big block
    cache.cacheBlock(bigBlocks[1].blockName, bigBlocks[1].buf);
    
    // Five evictions, nine evicted (3 new)
    assertEquals(5, cache.getEvictionCount());
    assertEquals(9, cache.getEvictedCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    assertEquals(null, cache.getBlock(singleBlocks[1].blockName));
    assertEquals(null, cache.getBlock(multiBlocks[1].blockName));
    assertEquals(null, cache.getBlock(multiBlocks[2].blockName));
    
    // Cache a big memory block
    cache.cacheBlock(bigBlocks[2].blockName, bigBlocks[2].buf, true);
    
    // Six evictions, twelve evicted (3 new)
    assertEquals(6, cache.getEvictionCount());
    assertEquals(12, cache.getEvictedCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    Block[] singleBlocks = generateFixedBlocks(20, blockSize, "single");
    Block[] multiBlocks = generateFixedBlocks(5, blockSize, "multi");
    
    // Add 5 multi blocks
    for (Block block : multiBlocks) {
      cache.cacheBlock(block.blockName, block.buf);
      cache.getBlock(block.blockName);
    }
    
    // Add 5 single blocks
    for (int i = 0; i < 5; i++) {

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

      cache.getBlock(block.blockName);
    }
    
    // Add 5 single blocks
    for (int i = 0; i < 5; i++) {
      cache.cacheBlock(singleBlocks[i].blockName, singleBlocks[i].buf);
    }
    
    // An eviction ran
    assertEquals(1, cache.getEvictionCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    // Every time we reach 10 total blocks (every 4 inserts) we get 4 single
    // blocks evicted. Inserting 13 blocks should yield 3 more evictions and
    // 12 more evicted.
    
    for (int i = 5; i < 18; i++) {
      cache.cacheBlock(singleBlocks[i].blockName, singleBlocks[i].buf);
    }
    
    // 4 total evictions, 16 total evicted
    assertEquals(4, cache.getEvictionCount());
    assertEquals(16, cache.getEvictedCount());

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

    
    // Add all blocks from all priorities
    for (int i = 0; i < 10; i++) {
      
      // Just add single blocks
      cache.cacheBlock(singleBlocks[i].blockName, singleBlocks[i].buf);
      
      // Add and get multi blocks
      cache.cacheBlock(multiBlocks[i].blockName, multiBlocks[i].buf);
      cache.getBlock(multiBlocks[i].blockName);

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

      
      // Just add single blocks
      cache.cacheBlock(singleBlocks[i].blockName, singleBlocks[i].buf);
      
      // Add and get multi blocks
      cache.cacheBlock(multiBlocks[i].blockName, multiBlocks[i].buf);
      cache.getBlock(multiBlocks[i].blockName);
      
      // Add memory blocks as such
      cache.cacheBlock(memoryBlocks[i].blockName, memoryBlocks[i].buf, true);
    }

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Examples of org.apache.accumulo.core.file.blockfile.cache.LruBlockCache.cacheBlock()

      // Add and get multi blocks
      cache.cacheBlock(multiBlocks[i].blockName, multiBlocks[i].buf);
      cache.getBlock(multiBlocks[i].blockName);
      
      // Add memory blocks as such
      cache.cacheBlock(memoryBlocks[i].blockName, memoryBlocks[i].buf, true);
    }
    
    // Do not expect any evictions yet
    assertEquals(0, cache.getEvictionCount());

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