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HBASE-14951 Make hbase.regionserver.maxlogs obsolete

This commit is contained in:
Enis Soztutar 2015-12-16 14:57:59 -08:00
parent 42518fa646
commit 8bd0d9dacd
1 changed files with 19 additions and 2 deletions
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21
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
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@ -23,6 +23,8 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryUsage;
import java.lang.reflect.InvocationTargetException;
import java.net.URLEncoder;
import java.util.ArrayList;
@ -62,6 +64,7 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.io.util.HeapMemorySizeUtil;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.ClassSize;
import org.apache.hadoop.hbase.util.DrainBarrier;
@ -505,8 +508,16 @@ public class FSHLog implements WAL {
FSUtils.getDefaultBlockSize(this.fs, this.fullPathLogDir));
this.logrollsize =
(long)(blocksize * conf.getFloat("hbase.regionserver.logroll.multiplier", 0.95f));
this.maxLogs = conf.getInt("hbase.regionserver.maxlogs", 32);
float memstoreRatio = conf.getFloat(HeapMemorySizeUtil.MEMSTORE_SIZE_KEY,
conf.getFloat(HeapMemorySizeUtil.MEMSTORE_SIZE_OLD_KEY,
HeapMemorySizeUtil.DEFAULT_MEMSTORE_SIZE));
boolean maxLogsDefined = conf.get("hbase.regionserver.maxlogs") != null;
if(maxLogsDefined){
LOG.warn("'hbase.regionserver.maxlogs' was deprecated.");
}
this.maxLogs = conf.getInt("hbase.regionserver.maxlogs",
Math.max(32, calculateMaxLogFiles(memstoreRatio, logrollsize)));
this.minTolerableReplication = conf.getInt("hbase.regionserver.hlog.tolerable.lowreplication",
FSUtils.getDefaultReplication(fs, this.fullPathLogDir));
this.lowReplicationRollLimit =
@ -556,6 +567,12 @@ public class FSHLog implements WAL {
this.disruptor.start();
}
private int calculateMaxLogFiles(float memstoreSizeRatio, long logRollSize) {
MemoryUsage mu = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
int maxLogs = Math.round(mu.getMax() * memstoreSizeRatio * 2 / logRollSize);
return maxLogs;
}
/**
* Get the backing files associated with this WAL.
* @return may be null if there are no files.