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https://issues.apache.org/jira/browse/HBASE-22707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16899309#comment-16899309
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Hudson commented on HBASE-22707:
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Results for branch branch-2
[build #2140 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2140/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2140//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-2/2140//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-2/2140//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> [HBCK2] MasterRpcServices assigns method should try to reload regions from
> meta if the passed regions isn't found under AssignmentManager
> RegionsStateStore
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-22707
> URL: https://issues.apache.org/jira/browse/HBASE-22707
> Project: HBase
> Issue Type: Task
> Components: hbck2, master
> Affects Versions: 3.0.0, 2.2.0, 2.3.0, 2.1.5
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: 3.0.0, 2.3.0
>
> Attachments: HBASE-22707.branch-2.001.patch,
> HBASE-22707.branch-2.002.patch, HBASE-22707.master.001.patch
>
>
> Although HBCK2 related, this is a master side improvement. On situations
> where regions are missing in META, any online fix tool such as the one being
> implemented in HBASE-22567 would require a further master restart to get
> RegionsStateStore reloaded from META, so that master can be aware of the
> newly re-added regions.
> After regions are re-added to meta in CLOSED state, it should be possible to
> bring those by simply invoking hbck2 _assigns_ command. But before
> _MasterRpcServices.assigns_ submits an _Assign_ procedure, it validates first
> if the given region is available on _AssignmentManager.RegionsStateStore_.
> The current patch reloads meta on _MasterRpcServices.assigns_ if the given
> region is not found on the first lookup, then try a new lookup again before
> giving-up on region assignment.
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