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
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@ -457,6 +457,9 @@ Release 2.3.0 - UNRELEASED
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HADOOP-9652. Allow RawLocalFs#getFileLinkStatus to fill in the link owner
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and mode if requested. (Andrew Wang via Colin Patrick McCabe)
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HADOOP-10305. Add "rpc.metrics.quantile.enable" and
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"rpc.metrics.percentiles.intervals" to core-default.xml.
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(Akira Ajisaka via wang)
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OPTIMIZATIONS
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@ -245,6 +245,7 @@ public class CommonConfigurationKeys extends CommonConfigurationKeysPublic {
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public static final String RPC_METRICS_QUANTILE_ENABLE =
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"rpc.metrics.quantile.enable";
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public static final boolean RPC_METRICS_QUANTILE_ENABLE_DEFAULT = false;
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public static final String RPC_METRICS_PERCENTILES_INTERVALS_KEY =
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"rpc.metrics.percentiles.intervals";
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}
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@ -54,7 +54,8 @@ public class RpcMetrics {
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int[] intervals = conf.getInts(
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CommonConfigurationKeys.RPC_METRICS_PERCENTILES_INTERVALS_KEY);
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rpcQuantileEnable = (intervals.length > 0) && conf.getBoolean(
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CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE, false);
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CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE,
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CommonConfigurationKeys.RPC_METRICS_QUANTILE_ENABLE_DEFAULT);
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if (rpcQuantileEnable) {
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rpcQueueTimeMillisQuantiles =
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new MutableQuantiles[intervals.length];
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@ -1275,4 +1275,26 @@
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Default, "dr.who=;" will consider "dr.who" as user without groups.
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</description>
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</property>
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<property>
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<name>rpc.metrics.quantile.enable</name>
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<value>false</value>
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<description>
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Setting this property to true and rpc.metrics.percentiles.intervals
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to a comma-separated list of the granularity in seconds, the
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50/75/90/95/99th percentile latency for rpc queue/processing time in
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milliseconds are added to rpc metrics.
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</description>
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</property>
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<property>
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<name>rpc.metrics.percentiles.intervals</name>
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<value></value>
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<description>
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A comma-separated list of the granularity in seconds for the metrics which
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describe the 50/75/90/95/99th percentile latency for rpc queue/processing
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time. The metrics are outputted if rpc.metrics.quantile.enable is set to
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true.
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</description>
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</property>
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</configuration>
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