All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmplImpl Maven / Gradle / Ivy

Go to download

Server functionality for HBase

There is a newer version: 3.0.0-beta-1
Show newest version
// Autogenerated Jamon implementation
// /home/busbey/projects/hbase/hbase/hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmpl.jamon

package org.apache.hadoop.hbase.tmpl.regionserver;

// 37, 1
import java.util.Map;
// 38, 1
import org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.CachedBlocksByFile;
// 39, 1
import org.apache.hadoop.hbase.io.hfile.AgeSnapshot;
// 40, 1
import org.apache.hadoop.hbase.io.hfile.CachedBlock;
// 41, 1
import org.apache.hadoop.conf.Configuration;
// 42, 1
import org.apache.hadoop.hbase.io.hfile.CacheConfig;
// 43, 1
import org.apache.hadoop.hbase.io.hfile.BlockCache;
// 44, 1
import org.apache.hadoop.hbase.io.hfile.bucket.BucketCacheStats;
// 45, 1
import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;
// 46, 1
import org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator;
// 47, 1
import org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator.Bucket;
// 48, 1
import org.apache.hadoop.util.StringUtils;

public class BlockCacheTmplImpl
  extends org.jamon.AbstractTemplateImpl
  implements org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmpl.Intf

{
  private final CacheConfig cacheConfig;
  private final Configuration config;
  protected static org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmpl.ImplData __jamon_setOptionalArguments(org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmpl.ImplData p_implData)
  {
    return p_implData;
  }
  public BlockCacheTmplImpl(org.jamon.TemplateManager p_templateManager, org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmpl.ImplData p_implData)
  {
    super(p_templateManager, __jamon_setOptionalArguments(p_implData));
    cacheConfig = p_implData.getCacheConfig();
    config = p_implData.getConfig();
  }
  
  @Override public void renderNoFlush(final java.io.Writer jamonWriter)
    throws java.io.IOException
  {
    // 24, 1
    
  BlockCache bc = cacheConfig == null? null: cacheConfig.getBlockCache();
  String bcUrl = null;
  String bcName = null;
  if (bc != null) {
    bcUrl = "http://hbase.apache.org/devapidocs/" + bc.getClass().getName().replaceAll("\\.", "/") + ".html";
    bcName = bc.getClass().getSimpleName();
  }
  BlockCache [] bcs = cacheConfig == null? null: cacheConfig.getBlockCache() == null? null: cacheConfig.getBlockCache().getBlockCaches();
  // If more than one bc, show evictions in each bc listing so can compare
  boolean evictions = bcs != null && bcs.length > 1;

    // 50, 1
    jamonWriter.write("
\n    \n    
\n        
\n            ");
    // 60, 13
    {
      // 60, 13
      __jamon_innerUnit__bc_baseInfo(jamonWriter, cacheConfig, bcUrl, bcName);
    }
    // 60, 91
    jamonWriter.write("\n        
\n        
\n            ");
    // 63, 13
    {
      // 63, 13
      __jamon_innerUnit__bc_config(jamonWriter, cacheConfig );
    }
    // 63, 55
    jamonWriter.write("\n        
\n        
\n            ");
    // 66, 13
    {
      // 66, 13
      __jamon_innerUnit__bc_stats(jamonWriter, cacheConfig );
    }
    // 66, 54
    jamonWriter.write("\n        
\n        
\n            ");
    // 69, 13
    {
      // 69, 13
      __jamon_innerUnit__bc_l(jamonWriter, bcs == null? bc: bcs[0], "L1", evictions);
    }
    // 69, 90
    jamonWriter.write("\n        
\n        
\n            ");
    // 72, 13
    {
      // 72, 13
      __jamon_innerUnit__bc_l(jamonWriter, bcs == null? null: bcs.length <= 1? null: bcs[1], "L2", evictions);
    }
    // 72, 115
    jamonWriter.write("\n        
\n    
\n
\n\n");
  }
  
  
  // 234, 1
  private void __jamon_innerUnit__bc_stats(final java.io.Writer jamonWriter, final CacheConfig cacheConfig)
    throws java.io.IOException
  {
    // 238, 1
    if (cacheConfig == null || cacheConfig.getBlockCache() == null )
    {
      // 238, 67
      jamonWriter.write("\n
CacheConfig is null
\n");
    }
    // 240, 1
    else
    {
      // 240, 8
      jamonWriter.write("\n\n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    ");
      // 262, 5
      {
        // 262, 5
        __jamon_innerUnit__evictions_tmpl(jamonWriter, cacheConfig.getBlockCache());
      }
      // 262, 60
      jamonWriter.write("\n    ");
      // 263, 5
      {
        // 263, 5
        __jamon_innerUnit__hits_tmpl(jamonWriter, cacheConfig.getBlockCache());
      }
      // 263, 55
      jamonWriter.write("\n
AttributeValueDescription
Size");
      // 249, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(StringUtils.humanReadableInt(cacheConfig.getBlockCache().getCurrentSize())), jamonWriter);
      // 249, 93
      jamonWriter.write("Current size of block cache in use (bytes)
Free");
      // 254, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(StringUtils.humanReadableInt(cacheConfig.getBlockCache().getFreeSize())), jamonWriter);
      // 254, 90
      jamonWriter.write("The total free memory currently available to store more cache entries (bytes)
Count");
      // 259, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", cacheConfig.getBlockCache().getBlockCount())), jamonWriter);
      // 259, 84
      jamonWriter.write("Number of blocks in block cache
\n
If block cache is made up of more than one cache -- i.e. a L1 and a L2 -- then the above\nare combined counts. Request count is sum of hits and misses.
\n");
    }
    // 267, 7
    jamonWriter.write("\n");
  }
  
  
  // 202, 1
  private void __jamon_innerUnit__hits_tmpl(final java.io.Writer jamonWriter, final BlockCache bc)
    throws java.io.IOException
  {
    // 206, 5
    jamonWriter.write("\n        Hits\n        ");
    // 208, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getHitCount())), jamonWriter);
    // 208, 68
    jamonWriter.write("\n        Number requests that were cache hits\n    \n    \n        Hits Caching\n        ");
    // 213, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getHitCachingCount())), jamonWriter);
    // 213, 75
    jamonWriter.write("\n        Cache hit block requests but only requests set to cache block if a miss\n    \n    \n        Misses\n        ");
    // 218, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getMissCount())), jamonWriter);
    // 218, 69
    jamonWriter.write("\n        Block requests that were cache misses but set to cache missed blocks\n    \n    \n        Misses Caching\n        ");
    // 223, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getMissCount())), jamonWriter);
    // 223, 69
    jamonWriter.write("\n        Block requests that were cache misses but only requests set to use block cache\n    \n    \n        Hit Ratio\n        ");
    // 228, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,.2f", bc.getStats().getHitRatio() * 100)), jamonWriter);
    // 228, 76
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf("%"), jamonWriter);
    // 228, 85
    jamonWriter.write("\n        Hit Count divided by total requests count\n    \n\n");
  }
  
  
  // 119, 1
  private void __jamon_innerUnit__bc_config(final java.io.Writer jamonWriter, final CacheConfig cacheConfig)
    throws java.io.IOException
  {
    // 123, 1
    if (cacheConfig == null )
    {
      // 123, 28
      jamonWriter.write("\n
CacheConfig is null
\n");
    }
    // 125, 1
    else
    {
      // 125, 8
      jamonWriter.write("\n\n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n
AttributeValueDescription
Cache DATA on Read");
      // 134, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldCacheDataOnRead()), jamonWriter);
      // 134, 54
      jamonWriter.write("True if DATA blocks are cached on read\n        (INDEX & BLOOM blocks are always cached)
Cache DATA on Write");
      // 140, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldCacheDataOnWrite()), jamonWriter);
      // 140, 55
      jamonWriter.write("True if DATA blocks are cached on write.
Cache INDEX on Write");
      // 145, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldCacheIndexesOnWrite()), jamonWriter);
      // 145, 58
      jamonWriter.write("True if INDEX blocks are cached on write
Cache BLOOM on Write");
      // 150, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldCacheBloomsOnWrite()), jamonWriter);
      // 150, 57
      jamonWriter.write("True if BLOOM blocks are cached on write
Evict blocks on Close");
      // 155, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldEvictOnClose()), jamonWriter);
      // 155, 51
      jamonWriter.write("True if blocks are evicted from cache when an HFile\n        reader is closed
Cache DATA in compressed format");
      // 161, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldCacheDataCompressed()), jamonWriter);
      // 161, 58
      jamonWriter.write("True if DATA blocks are cached in their compressed form
Prefetch on Open");
      // 166, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cacheConfig.shouldPrefetchOnOpen()), jamonWriter);
      // 166, 53
      jamonWriter.write("True if blocks are prefetched into cache on open
\n");
    }
    // 170, 7
    jamonWriter.write("\n");
  }
  
  
  // 77, 1
  private void __jamon_innerUnit__bc_baseInfo(final java.io.Writer jamonWriter, final CacheConfig cacheConfig, final String bcUrl, final String bcName)
    throws java.io.IOException
  {
    // 83, 1
    
  BlockCache bc = cacheConfig == null? null: cacheConfig.getBlockCache();
  BlockCache [] bcs = bc == null? null: bc.getBlockCaches();
  String bcl1Url = null;
  String bcl1Name = null;
  String bcl2Url = null;
  String bcl2Name = null;
  if (bcs != null) {
    BlockCache bcl1 = bcs[0];
    if (bcl1 != null) {
      bcl1Url = "http://hbase.apache.org/devapidocs/" + bcl1.getClass().getName().replaceAll("\\.", "/") + ".html";
      bcl1Name = bcl1.getClass().getSimpleName();
    }
    if (bcs.length == 2) {
      BlockCache bcl2 = bcs[1];
      bcl2Url = "http://hbase.apache.org/devapidocs/" + bcl2.getClass().getName().replaceAll("\\.", "/") + ".html";
      bcl2Name = bcl2.getClass().getSimpleName();
    }
  }

    // 103, 1
    jamonWriter.write("\n    \n        \n        \n        \n    \n    \n    \n        \n        \n        \n    \n
AttributeValueDescription
Implementation");
    // 112, 35
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(bcName), jamonWriter);
    // 112, 47
    jamonWriter.write("Block cache implementing class
\n
See block cache in the HBase Reference Guide for help.
\n");
  }
  
  
  // 283, 1
  private void __jamon_innerUnit__block_cache(final java.io.Writer jamonWriter, final BlockCache bc, final String name, final boolean evictions)
    throws java.io.IOException
  {
    // 289, 1
    
  final long nanosPerSecond = 1000000000;
  String bcUrl = "http://hbase.apache.org/devapidocs/" + bc.getClass().getName().replaceAll("\\.", "/") + ".html";
  String bcName = bc.getClass().getSimpleName();
  org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.CachedBlocksByFile cbsbf =
    org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.getLoadedCachedBlocksByFile(config, bc);
  AgeSnapshot cbsbfSnapshot = cbsbf.getAgeInCacheSnapshot();

  boolean bucketCache = bc.getClass().getSimpleName().equals("BucketCache");
  BucketCacheStats bucketCacheStats = null;
  BucketAllocator bucketAllocator = null;

  if (bucketCache) {
    bucketCacheStats = (BucketCacheStats)bc.getStats();
    bucketAllocator = ((BucketCache)bc).getAllocator();
  }

    // 306, 1
    if (cbsbf.isFull() )
    {
      // 306, 23
      jamonWriter.write("\n
\n
\nThe stats below are incomplete! We ran into our accounting limit of ");
      // 309, 86
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(cbsbf.getCount()), jamonWriter);
      // 309, 108
      jamonWriter.write(" blocks. Up the configuration hbase.ui.blockcache.by.file.max.\n
\n
 \n");
    }
    // 312, 7
    jamonWriter.write("\n\n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n");
    // 324, 1
    if (bucketCache )
    {
      // 324, 20
      jamonWriter.write("\n    \n        \n        \n        \n    \n");
    }
    // 330, 7
    jamonWriter.write("\n    \n        \n        \n        \n    \n");
    // 336, 1
    if (!bucketCache )
    {
      // 336, 21
      jamonWriter.write("\n    \n        \n        \n        \n    \n");
    }
    // 342, 7
    jamonWriter.write("\n    \n        \n        \n        \n    \n");
    // 348, 1
    if (!bucketCache )
    {
      // 348, 21
      jamonWriter.write("\n    \n        \n        \n        \n    \n");
    }
    // 354, 7
    jamonWriter.write(" \n");
    // 355, 1
    {
      // 355, 1
      __jamon_innerUnit__evictions_tmpl(jamonWriter, bc);
    }
    // 355, 31
    jamonWriter.write("\n");
    // 356, 1
    {
      // 356, 1
      __jamon_innerUnit__hits_tmpl(jamonWriter, bc);
    }
    // 356, 26
    jamonWriter.write("\n\n");
    // 358, 1
    if (bucketCache )
    {
      // 358, 20
      jamonWriter.write("\n    \n        \n        \n        \n    \n    \n        \n        \n        \n    \n");
    }
    // 369, 7
    jamonWriter.write("\n
AttributeValueDescription
Implementation");
    // 321, 35
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(bc.getClass().getSimpleName()), jamonWriter);
    // 321, 70
    jamonWriter.write("Class implementing this block cache Level
Implementation");
      // 327, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(((BucketCache)bc).getIoEngine()), jamonWriter);
      // 327, 50
      jamonWriter.write("IOEngine
Count");
    // 333, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", cbsbf.getCount())), jamonWriter);
    // 333, 57
    jamonWriter.write("Count of Blocks
Count");
      // 339, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", cbsbf.getDataCount())), jamonWriter);
      // 339, 61
      jamonWriter.write("Count of DATA Blocks
Size");
    // 345, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(StringUtils.humanReadableInt(cbsbf.getSize())), jamonWriter);
    // 345, 64
    jamonWriter.write("Size of Blocks
Size");
      // 351, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(StringUtils.humanReadableInt(cbsbf.getDataSize())), jamonWriter);
      // 351, 68
      jamonWriter.write("Size of DATA Blocks
Hits per Second");
      // 361, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(bucketCacheStats.getIOHitsPerSecond()), jamonWriter);
      // 361, 56
      jamonWriter.write("Block gets against this cache per second
Time per Hit");
      // 366, 13
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(bucketCacheStats.getIOTimePerHit()), jamonWriter);
      // 366, 53
      jamonWriter.write("Time per cache hit
\n
View block cache as JSON | Block cache as JSON by file
\n");
    // 373, 1
    
cbsbf = null;

  }
  
  
  // 270, 1
  private void __jamon_innerUnit__bc_l(final java.io.Writer jamonWriter, final BlockCache bc, final String name, final boolean evictions)
    throws java.io.IOException
  {
    // 276, 1
    if (bc == null )
    {
      // 276, 19
      jamonWriter.write("\n
No ");
      // 277, 7
      org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(name), jamonWriter);
      // 277, 17
      jamonWriter.write(" deployed
\n");
    }
    // 278, 1
    else
    {
      // 278, 8
      jamonWriter.write("\n");
      // 279, 1
      {
        // 279, 1
        __jamon_innerUnit__block_cache(jamonWriter, bc, name, evictions);
      }
      // 279, 65
      jamonWriter.write("\n");
    }
    // 280, 7
    jamonWriter.write("\n");
  }
  
  
  // 173, 1
  private void __jamon_innerUnit__evictions_tmpl(final java.io.Writer jamonWriter, final BlockCache bc)
    throws java.io.IOException
  {
    // 177, 1
    
  AgeSnapshot ageAtEvictionSnapshot = bc.getStats().getAgeAtEvictionSnapshot();

    // 180, 5
    jamonWriter.write("\n        Evicted\n        ");
    // 182, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getEvictedCount())), jamonWriter);
    // 182, 72
    jamonWriter.write("\n        The total number of blocks evicted\n    \n    \n        Evictions\n        ");
    // 187, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", bc.getStats().getEvictionCount())), jamonWriter);
    // 187, 73
    jamonWriter.write("\n        The total number of times an eviction has occurred\n    \n    \n        Mean\n        ");
    // 192, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", (long)(ageAtEvictionSnapshot.getMean()))), jamonWriter);
    // 192, 80
    jamonWriter.write("\n        Mean age of Blocks at eviction time (seconds)\n    \n    \n        StdDev\n        ");
    // 197, 13
    org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(String.format("%,d", (long)(ageAtEvictionSnapshot.getStdDev()))), jamonWriter);
    // 197, 82
    jamonWriter.write("\n        Standard Deviation for age of Blocks at eviction time\n    \n");
  }
  
  
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy