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https://issues.apache.org/jira/browse/HBASE-26623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17466959#comment-17466959
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Hudson commented on HBASE-26623:
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Results for branch branch-2
[build #428 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/428/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/428/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/428/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
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report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2/428/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Report CallDroppedException in exception metrics
> ------------------------------------------------
>
> Key: HBASE-26623
> URL: https://issues.apache.org/jira/browse/HBASE-26623
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC, metrics, rpc
> Reporter: Richard Marscher
> Assignee: Richard Marscher
> Priority: Minor
> Fix For: 2.5.0, 3.0.0-alpha-3
>
>
> `CallDroppedException` can be thrown with `CallRunner.drop()` by queue
> implementations that decide to drop calls to groom the RPC call backlog. The
> LifoCoDel queue does this I believe and with Pluggable queue it's possible
> for 3rd party queue implementations to be using `drop()` for similar reasons
> (my use case). It would be nice for the server to be tracking these
> exceptions in metrics since otherwise you might have to do some extra lifting
> on the client side.
>
> I have a patch I will submit soon.
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