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https://issues.apache.org/jira/browse/HBASE-18559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195108#comment-16195108
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Hudson commented on HBASE-18559:
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Results for branch HBASE-18467, done in 4 hr 24 min and counting
[build #136 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136/]:
FAILURE
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details (if available):
(x) *{color:red}-1 overall{color}*
Committer, please check your recent inclusion of a patch for this issue.
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 checks{color}
-- For more information [see jdk8
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//JDK8_Nightly_Build_Report/]
(x) {color:red}-1 source release artifact{color}
-- See build output for details.
> Add histogram to MetricsConnection to track concurrent calls per server
> -----------------------------------------------------------------------
>
> Key: HBASE-18559
> URL: https://issues.apache.org/jira/browse/HBASE-18559
> Project: HBase
> Issue Type: Improvement
> Components: Client
> Reporter: Robert Yokota
> Assignee: Robert Yokota
> Priority: Minor
> Fix For: 2.0.0, 3.0.0, 1.4.0, 1.5.0
>
> Attachments: HBASE-18559.master.001.patch
>
>
> HBASE-16388 introduced a new configuration setting
> "hbase.client.perserver.requests.threshold " to deal with slow region
> servers. I have back-ported the code for the new config setting to our
> environment, but I don't feel comfortable setting it in production without
> visibility into how the number of concurrent calls per server varies
> (especially the current high water mark or max in production when the cluster
> is healthy).
> It is straightforward to pass the value for the concurrent calls per server
> to a new histogram in MetricsConnection. I will attach a patch that I am
> using to gain a better understanding of how setting
> "hbase.client.perserver.requests.threshold" will affect our production
> environment.
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