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https://issues.apache.org/jira/browse/HBASE-18549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16635365#comment-16635365
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Hudson commented on HBASE-18549:
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Results for branch branch-2.1
[build #407 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/407/]:
(/) *{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://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/407//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/407//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/407//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Unclaimed replication queues can go undetected
> ----------------------------------------------
>
> Key: HBASE-18549
> URL: https://issues.apache.org/jira/browse/HBASE-18549
> Project: HBase
> Issue Type: Bug
> Components: Replication
> Reporter: Ashu Pachauri
> Assignee: Xu Cang
> Priority: Critical
> Fix For: 3.0.0, 1.5.0, 2.2.0, 1.4.8, 2.1.1
>
> Attachments: HBASE-18549-.master.001.patch,
> HBASE-18549-.master.002.patch, HBASE-18549-.master.003.patch,
> HBASE-18549-.master.004.patch, HBASE-18549.branch-1.001.patch,
> HBASE-18549.branch-1.001.patch
>
>
> We have come across this situation multiple times where a zookeeper issues
> can cause NodeFailoverWorker to fail picking up replication queue for a dead
> region server silently. One example is when the znode size for a particular
> queue exceed jute.maxBuffer value.
> There can be other situations that may lead to this and just go undetected.
> We need to have a metric for number of unclaimed replication queues. This
> will help in mitigating the problem through alerting on the metric and
> identifying underlying issues.
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