Examples of BlockCache

com.bah.lucene.blockcache.BlockCache
org.apache.blur.store.blockcache.BlockCache
org.apache.hadoop.hbase.io.hfile.BlockCache
Block cache interface. Anything that implements the {@link Cacheable}interface can be put in the cache.
org.jnode.fs.ext2.cache.BlockCache
@author Andras Nagy
org.sonar.batch.duplication.BlockCache
Cache of duplication blocks. This cache is shared amongst all project modules.

Examples of com.bah.lucene.blockcache.BlockCache

    int blockSize = BlockDirectory.BLOCK_SIZE;
    int slabCount = configuration.getInt(BLUR_SHARD_BLOCKCACHE_SLAB_COUNT, -1);
    slabCount = getSlabCount(slabCount, numberOfBlocksPerSlab, blockSize, totalNumberOfBytes);
    Cache cache;
    if (slabCount >= 1) {
      BlockCache blockCache;
      boolean directAllocation = configuration.getBoolean(BLUR_SHARD_BLOCKCACHE_DIRECT_MEMORY_ALLOCATION, true);


      int slabSize = numberOfBlocksPerSlab * blockSize;
      LOG.info(MessageFormat.format("Number of slabs of block cache [{0}] with direct memory allocation set to [{1}]", slabCount,
          directAllocation));
      LOG.info(MessageFormat.format("Block cache target memory usage, slab size of [{0}] will allocate [{1}] slabs and use ~[{2}] bytes",
              slabSize, slabCount, ((long) slabCount * (long) slabSize)));


      try {
        long totalMemory = (long) slabCount * (long) numberOfBlocksPerSlab * (long) blockSize;
        blockCache = new BlockCache(directAllocation, totalMemory, slabSize);
      } catch (OutOfMemoryError e) {
        if ("Direct buffer memory".equals(e.getMessage())) {
          System.err
              .println("The max direct memory is too low.  Either increase by setting (-XX:MaxDirectMemorySize=<size>g -XX:+UseLargePages) or disable direct allocation by (blur.shard.blockcache.direct.memory.allocation=false) in blur-site.properties");
          System.exit(1);

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Examples of org.apache.blur.store.blockcache.BlockCache

    int blockSize = BlockDirectory.BLOCK_SIZE;
    int slabCount = configuration.getInt(BLUR_SHARD_BLOCKCACHE_SLAB_COUNT, -1);
    slabCount = getSlabCount(slabCount, numberOfBlocksPerSlab, blockSize);
    Cache cache;
    if (slabCount >= 1) {
      BlockCache blockCache;
      boolean directAllocation = configuration.getBoolean(BLUR_SHARD_BLOCKCACHE_DIRECT_MEMORY_ALLOCATION, true);


      int slabSize = numberOfBlocksPerSlab * blockSize;
      LOG.info("Number of slabs of block cache [{0}] with direct memory allocation set to [{1}]", slabCount,
          directAllocation);
      LOG.info("Block cache target memory usage, slab size of [{0}] will allocate [{1}] slabs and use ~[{2}] bytes",
          slabSize, slabCount, ((long) slabCount * (long) slabSize));


      try {
        long totalMemory = (long) slabCount * (long) numberOfBlocksPerSlab * (long) blockSize;
        blockCache = new BlockCache(directAllocation, totalMemory, slabSize);
      } catch (OutOfMemoryError e) {
        if ("Direct buffer memory".equals(e.getMessage())) {
          System.err
              .println("The max direct memory is too low.  Either increase by setting (-XX:MaxDirectMemorySize=<size>g -XX:+UseLargePages) or disable direct allocation by (blur.shard.blockcache.direct.memory.allocation=false) in blur-site.properties");
          System.exit(1);

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

        updatesBlockedMs/1000: 0);
    final long updatesBlockedMsHigherWater = cacheFlusher.getUpdatesBlockedMsHighWater().get();
    this.metrics.updatesBlockedSecondsHighWater.update(updatesBlockedMsHigherWater > 0 ? 
        updatesBlockedMsHigherWater/1000: 0);


    BlockCache blockCache = cacheConfig.getBlockCache();
    if (blockCache != null) {
      this.metrics.blockCacheCount.set(blockCache.size());
      this.metrics.blockCacheFree.set(blockCache.getFreeSize());
      this.metrics.blockCacheSize.set(blockCache.getCurrentSize());
      CacheStats cacheStats = blockCache.getStats();
      this.metrics.blockCacheHitCount.set(cacheStats.getHitCount());
      this.metrics.blockCacheMissCount.set(cacheStats.getMissCount());
      this.metrics.blockCacheEvictedCount.set(blockCache.getEvictedCount());
      double ratio = blockCache.getStats().getHitRatio();
      int percent = (int) (ratio * 100);
      this.metrics.blockCacheHitRatio.set(percent);
      ratio = blockCache.getStats().getHitCachingRatio();
      percent = (int) (ratio * 100);
      this.metrics.blockCacheHitCachingRatio.set(percent);
      // past N period block cache hit / hit caching ratios
      cacheStats.rollMetricsPeriod();
      ratio = cacheStats.getHitRatioPastNPeriods();

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    new HRegionServerCommandLine(regionServerClass).doMain(args);
  }


  @Override
  public List<BlockCacheColumnFamilySummary> getBlockCacheColumnFamilySummaries() throws IOException {
    BlockCache c = new CacheConfig(this.conf).getBlockCache();
    return c.getBlockCacheColumnFamilySummaries(this.conf);
  }

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    try {
      processTable(fs, tableDir, log, c, majorCompact);
    } finally {
       log.close();
       // TODO: is this still right?
       BlockCache bc = new CacheConfig(c).getBlockCache();
       if (bc != null) bc.shutdown();
    }
  }

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    HLog log = new HLog(fs, logdir, c, null);
    try {
      processTable(fs, tableDir, log, c, majorCompact);
     } finally {
       log.close();
       BlockCache bc = StoreFile.getBlockCache(c);
       if (bc != null) bc.shutdown();
     }
  }

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    this.metrics.compactionQueueSize.set(compactSplitThread
        .getCompactionQueueSize());
    this.metrics.flushQueueSize.set(cacheFlusher
        .getFlushQueueSize());


    BlockCache blockCache = cacheConfig.getBlockCache();
    if (blockCache != null) {
      this.metrics.blockCacheCount.set(blockCache.size());
      this.metrics.blockCacheFree.set(blockCache.getFreeSize());
      this.metrics.blockCacheSize.set(blockCache.getCurrentSize());
      CacheStats cacheStats = blockCache.getStats();
      this.metrics.blockCacheHitCount.set(cacheStats.getHitCount());
      this.metrics.blockCacheMissCount.set(cacheStats.getMissCount());
      this.metrics.blockCacheEvictedCount.set(blockCache.getEvictedCount());
      double ratio = blockCache.getStats().getHitRatio();
      int percent = (int) (ratio * 100);
      this.metrics.blockCacheHitRatio.set(percent);
      ratio = blockCache.getStats().getHitCachingRatio();
      percent = (int) (ratio * 100);
      this.metrics.blockCacheHitCachingRatio.set(percent);
      // past N period block cache hit / hit caching ratios
      cacheStats.rollMetricsPeriod();
      ratio = cacheStats.getHitRatioPastNPeriods();

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    new HRegionServerCommandLine(regionServerClass).doMain(args);
  }


  @Override
  public List<BlockCacheColumnFamilySummary> getBlockCacheColumnFamilySummaries() throws IOException {
    BlockCache c = new CacheConfig(this.conf).getBlockCache();
    return c.getBlockCacheColumnFamilySummaries(this.conf);
  }

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    try {
      processTable(fs, tableDir, log, c, majorCompact);
    } finally {
       log.close();
       // TODO: is this still right?
       BlockCache bc = new CacheConfig(c).getBlockCache();
       if (bc != null) bc.shutdown();
    }
  }

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Examples of org.apache.hadoop.hbase.io.hfile.BlockCache

    try {
      processTable(fs, tableDir, log, c, majorCompact);
    } finally {
       log.close();
       // TODO: is this still right?
       BlockCache bc = new CacheConfig(c).getBlockCache();
       if (bc != null) bc.shutdown();
    }
  }

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