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https://issues.apache.org/jira/browse/HBASE-5614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235199#comment-13235199
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Gregory Chanan commented on HBASE-5614:
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Are you going to look into fixing this Mubarak? If not, I'll take a look.
> createTableAsync gets blocked and it is not an asynchronous operation
> ---------------------------------------------------------------------
>
> Key: HBASE-5614
> URL: https://issues.apache.org/jira/browse/HBASE-5614
> Project: HBase
> Issue Type: Bug
> Components: master, regionserver
> Affects Versions: 0.90.4
> Reporter: Mubarak Seyed
> Labels: noob
>
> I have created table A using {{HBaseAdmin.createTableAsync()}} with 2000
> pre-split regions, the expectation was client RPC call does not get blocked
> and i had only used 5 minutes as RPC socket timeout value.
> It appears from logs/code that clients gets blocked (honoring the
> {{hbase.rpc.timeout}} value), times out after 5 minutes, master nio channel
> gets closed (related to client which invoked the createAsyncTable operation),
> put region entries in inconsistent state in META, meaning {{info:server}} is
> marked as null and AssignmentManager gets null server value (which causes
> NPE) and causes to table creation fail, i could not succeed until changing
> the {{hbase.rpc.timeout}} value to 15 minutes and created tables one at a
> time (each table has more than 2K pre-split regions in it)
> Please refer the logs.
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