org.apache.hadoop.hbase.wal

Class WALPerformanceEvaluation.WALPutBenchmark

java.lang.Object

org.apache.hadoop.hbase.wal.WALPerformanceEvaluation.WALPutBenchmark

All Implemented Interfaces:

Runnable

Enclosing class:

WALPerformanceEvaluation

class WALPerformanceEvaluation.WALPutBenchmark
extends Object
implements Runnable

Perform WAL.append() of Put object, for the number of iterations requested. Keys and Vaues are generated randomly, the number of column families, qualifiers and key/value size is tunable by the user.

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.htrace.core.Sampler	loopSampler
private boolean	noSync
private int	numFamilies
private long	numIterations
private org.apache.hadoop.hbase.regionserver.HRegion	region
private NavigableMap<byte[],Integer>	scopes
private int	syncInterval

Constructor Summary

Constructors

Constructor and Description
WALPutBenchmark(org.apache.hadoop.hbase.regionserver.HRegion region, org.apache.hadoop.hbase.client.TableDescriptor htd, long numIterations, boolean noSync, int syncInterval, double traceFreq)

Method Summary

Modifier and Type	Method and Description
void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

numIterations

private final long numIterations

numFamilies

private final int numFamilies

noSync

private final boolean noSync

region

private final org.apache.hadoop.hbase.regionserver.HRegion region

syncInterval

private final int syncInterval

loopSampler

private final org.apache.htrace.core.Sampler loopSampler

scopes

private final NavigableMap<byte[],Integer> scopes

Constructor Detail

WALPutBenchmark

WALPutBenchmark(org.apache.hadoop.hbase.regionserver.HRegion region,
                org.apache.hadoop.hbase.client.TableDescriptor htd,
                long numIterations,
                boolean noSync,
                int syncInterval,
                double traceFreq)

Method Detail

run

public void run()

Specified by:

run in interface Runnable