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https://issues.apache.org/jira/browse/HBASE-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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cuijianwei updated HBASE-10129:
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Attachment: HBASE-10129-0.94-v1.patch
This patch will computing real time rpc invoke latency percentiles for methods
of HRegionInterface, including:
1. Based on MetricsHistogram, implement MetricsTimeVaryingHistogram which will
compute real time percentiles for metric;
2. Add 999th percentile statistics for MetricsHistogram;
3. Extend HBaseRpcMetrics to compute rpc invoke real time latency percentiles
based on MetricsTimeVaryingHistogram.
> support real time rpc invoke latency percentile statistics for methods of
> HRegionInterface
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-10129
> URL: https://issues.apache.org/jira/browse/HBASE-10129
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.94.14
> Reporter: cuijianwei
> Attachments: HBASE-10129-0.94-v1.patch
>
>
> It is important for applications to get latency statistics when invoking
> hbase apis. Currently, the average latency of methods in HRegionInterface
> will be computed in HBaseRpcMetrics. However, user might expect more detail
> latency statistics, such as 75% percentile latency, 95% percentile latency,
> etc. Therefore, will it be useful if we computing latency percentiles for rpc
> invoking of region server methods?
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