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Posted to issues@hbase.apache.org by "Pankaj Kumar (Jira)" <ji...@apache.org> on 2020/08/17 08:32:00 UTC
[jira] [Comment Edited] (HBASE-24885) STUCK RIT by hbck2 assigns
[ https://issues.apache.org/jira/browse/HBASE-24885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17178838#comment-17178838 ]
Pankaj Kumar edited comment on HBASE-24885 at 8/17/20, 8:31 AM:
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{quote}Is this only a problem of HBCK2?
{quote}
Yeah, MasterRpcServices.assigns() caller will may face this problem.
In Am.createOneAssignProcedure() we create TRSP without any precheck.
[https://github.com/apache/hbase/blob/7335dbc8345298c57b8da4ccba640d5432b3fde9/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java#L2576]
was (Author: pankajkumar):
{quote}Is this only a problem of HBCK2?
{quote}
Yeah, in Am.createOneAssignProcedure() we create TRSP without any precheck.
[https://github.com/apache/hbase/blob/7335dbc8345298c57b8da4ccba640d5432b3fde9/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java#L2576]
> STUCK RIT by hbck2 assigns
> --------------------------
>
> Key: HBASE-24885
> URL: https://issues.apache.org/jira/browse/HBASE-24885
> Project: HBase
> Issue Type: Bug
> Components: hbck2, Region Assignment
> Affects Versions: 3.0.0-alpha-1, 2.2.3
> Reporter: Bo Cui
> Assignee: Bo Cui
> Priority: Major
>
> If a region has been assign to rs1 and then client assigns region again by "hbck2 assigns"
> 1、if regionPlan is region to be assign to rs2，the region will be opened on rs1 and rs2.
> master log:
> {quote}WARN org.apache.hadoop.hbase.master.assignment.AssignmentManager: rit=OPEN, location=rs2, table=tableName, region=reionName reported OPEN on server=rs1 but state has otherwise
> {quote}
> 2、if regionPlan is region to be assign to rs1， the TransitRegionStateProcedure and OpenRegionProcedure will stuck. because rs1 is not responding to master
> rslog:
> {quote}Receiving OPEN for the region:{}, which we are already trying to OPEN - ignoring this new request for this region.
> {quote}
>
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