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https://issues.apache.org/jira/browse/HBASE-8868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816845#comment-16816845
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Sean Busbey edited comment on HBASE-8868 at 4/13/19 6:02 AM:
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omg omg omg this is awesome. I was literally complaining about lack of
visibility on this to someone today.
add a blurb to [ref guide section "46.4. Optimize on the Server Side for Low
Latency"|http://hbase.apache.org/book.html#shortcircuit.reads] that details
short circuit reads to daw attention to these metrics?
was (Author: busbey):
omg omg omg this is awesome. I was literally complaining about lack of
visibility on this to someone today.
add a blurb to [ref guide section "46.4. Optimize on the Server Side for Low
Latency
"|http://hbase.apache.org/book.html#shortcircuit.reads] that details short
circuit reads to daw attention to these metrics?
> add metric to report client shortcircuit reads
> ----------------------------------------------
>
> Key: HBASE-8868
> URL: https://issues.apache.org/jira/browse/HBASE-8868
> Project: HBase
> Issue Type: Improvement
> Components: metrics, regionserver
> Affects Versions: 0.94.8, 0.95.1
> Reporter: Viral Bajaria
> Assignee: Wei-Chiu Chuang
> Priority: Minor
> Attachments: HBASE-8868.master.001.patch
>
>
> With the availability of shortcircuit reads, when the feature is enabled
> there is no metric which exposes how many times the regionserver was able to
> shortcircuit the read and not make a IPC to the datanode.
> It will be great to add the metric and expose it via Ganglia.
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