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https://issues.apache.org/jira/browse/HBASE-24720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17157619#comment-17157619
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Hudson commented on HBASE-24720:
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Results for branch branch-2.2
[build #911 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.2/911/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.2/911//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.2/911//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.2/911//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Meta replicas not cleaned when disabled
> ---------------------------------------
>
> Key: HBASE-24720
> URL: https://issues.apache.org/jira/browse/HBASE-24720
> Project: HBase
> Issue Type: Bug
> Components: read replicas
> Affects Versions: 3.0.0-alpha-1, 2.3.0, 2.4.0, 2.2.5
> Reporter: Szabolcs Bukros
> Assignee: Szabolcs Bukros
> Priority: Minor
> Fix For: 3.0.0-alpha-1, 2.3.1, 2.4.0, 2.2.6
>
>
> The assignMetaReplicas method works kinda like this:
> {code:java}
> void assignMetaReplicas(){
> if (numReplicas <= 1) return;
> //create if needed then assign meta replicas
> unassignExcessMetaReplica(numReplicas);
> }
> {code}
> Now this unassignExcessMetaReplica method is the one that gets rid of the
> replicas we no longer need. It closes them and deletes their zNode.
> Unfortunately this only happens if we decreased the replica number. If we
> disabled it, by setting the replica number to 1 assignMetaReplicas returns
> instantly without cleaning up the no longer needed replicas resulting in
> replicas lingering around.
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