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https://issues.apache.org/jira/browse/HBASE-28830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17882466#comment-17882466
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Chandra Sekhar K commented on HBASE-28830:
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our custom procedure is used to modify the meta information(table descriptor)
of an existing table and create/modify/drop a new table conditionally. The
existing table and the new table have some kind of relationship between them..
So the dependent table operations like create/modify/disable/drop are executed
as child procedure in the custom procedure..
> when a procedure on a table executed as a child procedure, further table
> procedure operations on that table are blocked forever waiting to acquire the
> table procedure lock
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-28830
> URL: https://issues.apache.org/jira/browse/HBASE-28830
> Project: HBase
> Issue Type: Bug
> Components: proc-v2
> Affects Versions: 3.0.0-beta-1, 2.5.10
> Reporter: Chandra Sekhar K
> Assignee: Chandra Sekhar K
> Priority: Critical
> Labels: pull-request-available
> Attachments: CustomCoProcessor.java
>
>
> when a procedure on a table executed as a child procedure, furthur table
> procedure operations on that table are blocked forever waiting to aquire the
> table procedure lock .
> This issue occur due to not clearing of table lock for the table procedures
> submitted as child procedures after the changes in HBASE-28683,
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