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HADOOP-10305. Add rpc.metrics.quantile.enable and rpc.metrics.percentiles.intervals to core-default.xml. Contributed by Akira Ajisaka. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1562659 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Wang 2014-01-30 01:03:28 +00:00
parent 504b0d6f54
commit a3151a9f3d
4 changed files with 28 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -457,6 +457,9 @@ Release 2.3.0 - UNRELEASED
HADOOP-9652. Allow RawLocalFs#getFileLinkStatus to fill in the link owner HADOOP-9652. Allow RawLocalFs#getFileLinkStatus to fill in the link owner
and mode if requested. (Andrew Wang via Colin Patrick McCabe) and mode if requested. (Andrew Wang via Colin Patrick McCabe)
HADOOP-10305. Add "rpc.metrics.quantile.enable" and
"rpc.metrics.percentiles.intervals" to core-default.xml.
(Akira Ajisaka via wang)
OPTIMIZATIONS OPTIMIZATIONS

1
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeys.java
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@ -245,6 +245,7 @@ public class CommonConfigurationKeys extends CommonConfigurationKeysPublic {
public static final String RPC_METRICS_QUANTILE_ENABLE = public static final String RPC_METRICS_QUANTILE_ENABLE =
"rpc.metrics.quantile.enable"; "rpc.metrics.quantile.enable";
public static final boolean RPC_METRICS_QUANTILE_ENABLE_DEFAULT = false;
public static final String RPC_METRICS_PERCENTILES_INTERVALS_KEY = public static final String RPC_METRICS_PERCENTILES_INTERVALS_KEY =
"rpc.metrics.percentiles.intervals"; "rpc.metrics.percentiles.intervals";
} }

3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
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@ -54,7 +54,8 @@ public class RpcMetrics {
int[] intervals = conf.getInts( int[] intervals = conf.getInts(
CommonConfigurationKeys.RPC_METRICS_PERCENTILES_INTERVALS_KEY); CommonConfigurationKeys.RPC_METRICS_PERCENTILES_INTERVALS_KEY);
rpcQuantileEnable = (intervals.length > 0) && conf.getBoolean( rpcQuantileEnable = (intervals.length > 0) && conf.getBoolean(
CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE, false); CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE,
CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE_DEFAULT);
if (rpcQuantileEnable) { if (rpcQuantileEnable) {
rpcQueueTimeMillisQuantiles = rpcQueueTimeMillisQuantiles =
new MutableQuantiles[intervals.length]; new MutableQuantiles[intervals.length];

22
hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
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@ -1275,4 +1275,26 @@
Default, "dr.who=;" will consider "dr.who" as user without groups. Default, "dr.who=;" will consider "dr.who" as user without groups.
</description> </description>
</property> </property>
<property>
<name>rpc.metrics.quantile.enable</name>
<value>false</value>
<description>
Setting this property to true and rpc.metrics.percentiles.intervals
to a comma-separated list of the granularity in seconds, the
50/75/90/95/99th percentile latency for rpc queue/processing time in
milliseconds are added to rpc metrics.
</description>
</property>
<property>
<name>rpc.metrics.percentiles.intervals</name>
<value></value>
<description>
A comma-separated list of the granularity in seconds for the metrics which
describe the 50/75/90/95/99th percentile latency for rpc queue/processing
time. The metrics are outputted if rpc.metrics.quantile.enable is set to
true.
</description>
</property>
</configuration> </configuration>