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HBASE-5802 Change the default metrics class to NullContextWithUpdateThread 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1339831 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2012-05-17 20:01:51 +00:00
parent 1df5bcad82
commit a6628467e1
2 changed files with 12 additions and 9 deletions
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17
conf/hadoop-metrics.properties
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@ -10,12 +10,15 @@
# GMETADHOST_IP is the hostname (or) IP address of the server on which the ganglia
# meta daemon (gmetad) service is running
# Configuration of the "hbase" context for null
hbase.class=org.apache.hadoop.metrics.spi.NullContext
# Configuration of the "hbase" context for NullContextWithUpdateThread
# NullContextWithUpdateThread is a null context which has a thread calling
# periodically when monitoring is started. This keeps the data sampled
# correctly.
hbase.class=org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
hbase.period=10
# Configuration of the "hbase" context for file
# hbase.class=org.apache.hadoop.hbase.metrics.file.TimeStampingFileContext
# hbase.period=10
# hbase.fileName=/tmp/metrics_hbase.log
# HBase-specific configuration to reset long-running stats (e.g. compactions)
@ -30,11 +33,11 @@ hbase.extendedperiod = 3600
# hbase.servers=GMETADHOST_IP:8649
# Configuration of the "jvm" context for null
jvm.class=org.apache.hadoop.metrics.spi.NullContext
jvm.class=org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
jvm.period=10
# Configuration of the "jvm" context for file
# jvm.class=org.apache.hadoop.hbase.metrics.file.TimeStampingFileContext
# jvm.period=10
# jvm.fileName=/tmp/metrics_jvm.log
# Configuration of the "jvm" context for ganglia
@ -45,11 +48,11 @@ jvm.class=org.apache.hadoop.metrics.spi.NullContext
# jvm.servers=GMETADHOST_IP:8649
# Configuration of the "rpc" context for null
rpc.class=org.apache.hadoop.metrics.spi.NullContext
rpc.class=org.apache.hadoop.metrics.spi.NullContextWithUpdateThread
rpc.period=10
# Configuration of the "rpc" context for file
# rpc.class=org.apache.hadoop.hbase.metrics.file.TimeStampingFileContext
# rpc.period=10
# rpc.fileName=/tmp/metrics_rpc.log
# Configuration of the "rpc" context for ganglia

4
src/site/xdoc/metrics.xml
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@ -69,8 +69,8 @@
<p>
To enable JMX support in HBase, first edit
<code>$HBASE_HOME/conf/hadoop-metrics.properties</code> to support
metrics refreshing. (If you've already configured
<code>hadoop-metrics.properties</code> for another output context,
metrics refreshing. (If you've running 0.94.1 and above, or have already configured
<code>hadoop-metrics.properties</code> for another output context,
you can skip this step).
</p>
<source>