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HBASE-2068 MetricsRate is missing "registry" parameter (Lars George via JD) 

HBASE-2078  Add JMX settings as commented out lines to hbase-env.sh
            (Lars George via JD)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@894689 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jean-Daniel Cryans 2009-12-30 18:27:44 +00:00
parent 58039a7bc2
commit dfd0303cd7
5 changed files with 36 additions and 21 deletions
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3
CHANGES.txt
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@ -144,6 +144,8 @@ Release 0.21.0 - Unreleased
HBASE-2075 Master requires HDFS superuser privileges due to waitOnSafeMode
HBASE-2077 NullPointerException with an open scanner that expired causing
an immediate region server shutdown (Sam Pullara via JD)
HBASE-2078 Add JMX settings as commented out lines to hbase-env.sh
(Lars George via JD)
IMPROVEMENTS
HBASE-1760 Cleanup TODOs in HTable
@ -262,6 +264,7 @@ Release 0.21.0 - Unreleased
HBASE-2045 Update trunk and branch zk to just-release 3.2.2.
HBASE-2074 Improvements to the hadoop-config script (Bassam Tabbara via Stack)
HBASE-2076 Many javadoc warnings
HBASE-2068 MetricsRate is missing "registry" parameter (Lars George via JD)
NEW FEATURES
HBASE-1901 "General" partitioner for "hbase-48" bulk (behind the api, write

11
conf/hbase-env.sh
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@ -37,7 +37,16 @@
export HBASE_OPTS="-XX:+HeapDumpOnOutOfMemoryError -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode"
# Uncomment below to enable java garbage collection logging.
#export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:$HBASE_HOME/logs/gc-hbase.log"
# export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:$HBASE_HOME/logs/gc-hbase.log"
# Uncomment and adjust/create "jmxremote.*" to enable JMX exporting
# export HBASE_JMX_BASE="-Dcom.sun.management.jmxremote.ssl=false"
# export HBASE_JMX_BASE="$HBASE_JMX_BASE -Dcom.sun.management.jmxremote.password.file=$HBASE_HOME/conf/jmxremote.password"
# export HBASE_JMX_BASE="$HBASE_JMX_BASE -Dcom.sun.management.jmxremote.access.file=$HBASE_HOME/conf/jmxremote.access"
# export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10101"
# export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10102"
# export HBASE_THRIFT_OPTS="$HBASE_THRIFT_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10103"
# export HBASE_ZOOKEEPER_OPTS="$HBASE_ZOOKEEPER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10104"
# File naming hosts on which HRegionServers will run. $HBASE_HOME/conf/regionservers by default.
# export HBASE_REGIONSERVERS=${HBASE_HOME}/conf/regionservers

20
src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java
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@ -19,12 +19,12 @@ package org.apache.hadoop.hbase.master.metrics;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.metrics.MetricsRate;
import org.apache.hadoop.metrics.MetricsContext;
import org.apache.hadoop.metrics.MetricsRecord;
import org.apache.hadoop.metrics.MetricsUtil;
import org.apache.hadoop.metrics.Updater;
import org.apache.hadoop.metrics.jvm.JvmMetrics;
import org.apache.hadoop.metrics.util.MetricsIntValue;
import org.apache.hadoop.metrics.util.MetricsRegistry;
@ -43,8 +43,8 @@ public class MasterMetrics implements Updater {
/*
* Count of requests to the cluster since last call to metrics update
*/
private final MetricsIntValue cluster_requests =
new MetricsIntValue("cluster_requests", registry);
private final MetricsRate cluster_requests =
new MetricsRate("cluster_requests", registry);
public MasterMetrics(final String name) {
MetricsContext context = MetricsUtil.getContext("hbase");
@ -71,11 +71,7 @@ public class MasterMetrics implements Updater {
*/
public void doUpdates(MetricsContext unused) {
synchronized (this) {
synchronized(this.cluster_requests) {
this.cluster_requests.pushMetric(metricsRecord);
// Set requests down to zero again.
this.cluster_requests.set(0);
}
this.cluster_requests.pushMetric(metricsRecord);
}
this.metricsRecord.update();
}
@ -87,16 +83,14 @@ public class MasterMetrics implements Updater {
/**
* @return Count of requests.
*/
public int getRequests() {
return this.cluster_requests.get();
public float getRequests() {
return this.cluster_requests.getPreviousIntervalValue();
}
/**
* @param inc How much to add to requests.
*/
public void incrementRequests(final int inc) {
synchronized(this.cluster_requests) {
this.cluster_requests.set(this.cluster_requests.get() + inc);
}
this.cluster_requests.inc(inc);
}
}

21
src/java/org/apache/hadoop/hbase/metrics/MetricsRate.java
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@ -20,25 +20,32 @@ package org.apache.hadoop.hbase.metrics;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.metrics.MetricsRecord;
import org.apache.hadoop.metrics.util.MetricsBase;
import org.apache.hadoop.metrics.util.MetricsRegistry;
import org.apache.hadoop.util.StringUtils;
/**
* Publishes a rate based on a counter - you increment the counter each
* time an event occurs (eg: an RPC call) and this publishes a rate.
*/
public class MetricsRate {
public class MetricsRate extends MetricsBase {
private static final Log LOG = LogFactory.getLog("org.apache.hadoop.hbase.metrics");
private String name;
private int value;
private float prevRate;
private long ts;
public MetricsRate(final String name) {
this.name = name;
public MetricsRate(final String name, final MetricsRegistry registry,
final String description) {
super(name, description);
this.value = 0;
this.prevRate = 0;
this.ts = System.currentTimeMillis();
registry.add(name, this);
}
public MetricsRate(final String name, final MetricsRegistry registry) {
this(name, registry, NO_DESCRIPTION);
}
public synchronized void inc(final int incr) {
@ -58,15 +65,17 @@ public class MetricsRate {
this.ts = now;
}
@Override
public synchronized void pushMetric(final MetricsRecord mr) {
intervalHeartBeat();
try {
mr.setMetric(name, getPreviousIntervalValue());
mr.setMetric(getName(), getPreviousIntervalValue());
} catch (Exception e) {
LOG.info("pushMetric failed for " + name + "\n" +
LOG.info("pushMetric failed for " + getName() + "\n" +
StringUtils.stringifyException(e));
}
}
public synchronized float getPreviousIntervalValue() {
return this.prevRate;
}

2
src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
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@ -81,7 +81,7 @@ public class RegionServerMetrics implements Updater {
/*
* Count of requests to the regionservers since last call to metrics update
*/
private final MetricsRate requests = new MetricsRate("requests");
private final MetricsRate requests = new MetricsRate("requests", registry);
/**
* Count of stores open on the regionserver.