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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/07/12 13:29:00 UTC
[jira] [Commented] (HBASE-20616) TruncateTableProcedure is stuck in
retry loop in TRUNCATE_TABLE_CREATE_FS_LAYOUT state
[ https://issues.apache.org/jira/browse/HBASE-20616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16541641#comment-16541641 ]
Duo Zhang commented on HBASE-20616:
-----------------------------------
This one has not been committed to branch-2.0?
> TruncateTableProcedure is stuck in retry loop in TRUNCATE_TABLE_CREATE_FS_LAYOUT state
> --------------------------------------------------------------------------------------
>
> Key: HBASE-20616
> URL: https://issues.apache.org/jira/browse/HBASE-20616
> Project: HBase
> Issue Type: Bug
> Components: amv2
> Environment: HDP-2.5.3
> Reporter: Toshihiro Suzuki
> Assignee: Toshihiro Suzuki
> Priority: Major
> Fix For: 2.1.0
>
> Attachments: 20616.master.004.patch, HBASE-20616.master.001.patch, HBASE-20616.master.002.patch, HBASE-20616.master.003.patch, HBASE-20616.master.004.patch
>
>
> At first, TruncateTableProcedure failed to write some files to HDFS in TRUNCATE_TABLE_CREATE_FS_LAYOUT state for some reason.
> {code:java}
> 2018-05-15 08:00:25,346 WARN [ProcedureExecutorThread-8] procedure.TruncateTableProcedure: Retriable error trying to truncate table=<namespace>:<table> state=TRUNCATE_TABLE_CREATE_FS_LAYOUT
> java.io.IOException: java.util.concurrent.ExecutionException: org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /apps/hbase/data/.tmp/data/<namespace>/<table>/<region>/.regioninfo could only be replicated to 0 nodes instead of minReplication (=1). There are <the number of DNs> datanode(s) running and no node(s) are excluded in this operation.
> ...
> {code}
> But at this time, seemed like writing some files to HDFS was successful.
> And then, TruncateTableProcedure was stuck in retry loop in TRUNCATE_TABLE_CREATE_FS_LAYOUT state. At this point, the following log messages were shown repeatedly in the master log:
> {code:java}
> 2018-05-15 08:00:25,463 WARN [ProcedureExecutorThread-8] procedure.TruncateTableProcedure: Retriable error trying to truncate table=<namespace>:<table> state=TRUNCATE_TABLE_CREATE_FS_LAYOUT
> java.io.IOException: java.util.concurrent.ExecutionException: java.io.IOException: The specified region already exists on disk: hdfs://<name>/apps/hbase/data/.tmp/data/<namespace>/<table>/<region>
> ...
> {code}
> It seems like this is because TruncateTableProcedure tried to write the files that were written successfully in the first try.
> I think we need to delete all the files and directories that are written successfully in the previous try before retrying the TRUNCATE_TABLE_CREATE_FS_LAYOUT state.
> Actually, this issue was observed in HDP-2.5.3, but I think the upstream has the same issue. Also, it looks to me that CreateTableProcedure has a similar issue.
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