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Posted to dev@lens.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2015/02/05 13:09:34 UTC
[jira] [Assigned] (LENS-278) Lens Server not able to persist on
HDFS
[ https://issues.apache.org/jira/browse/LENS-278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu reassigned LENS-278:
--------------------------------------------
Assignee: Amareshwari Sriramadasu
> Lens Server not able to persist on HDFS
> ---------------------------------------
>
> Key: LENS-278
> URL: https://issues.apache.org/jira/browse/LENS-278
> Project: Apache Lens
> Issue Type: Bug
> Reporter: Arshad Matin
> Assignee: Amareshwari Sriramadasu
> Priority: Blocker
> Fix For: 2.0
>
>
> When server.persist location is HDFS then lensserver is not able to persist the server state. And it is silently coming out without throwing any exception
> {noformat}
> 05 Feb 2015 11:53:27,931 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting server state in hdfs://lens/tmp/lensserver
> 05 Feb 2015 11:53:27,932 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting state of service:session
> 05 Feb 2015 11:53:27,945 [Shutdown] INFO org.apache.lens.server.session.HiveSessionService - Session service pesristed 0 sessions
> 05 Feb 2015 11:53:27,967 [Shutdown] INFO org.apache.lens.server.LensServices - Persisted service session to hdfs://lens/tmp/lensserver/session.final
> 05 Feb 2015 11:53:27,967 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting state of service:query
> 05 Feb 2015 11:53:27,970 [Shutdown] INFO org.apache.lens.driver.hive.HiveDriver - HiveDriver persisted 0 queries
> 05 Feb 2015 11:53:27,970 [Shutdown] INFO org.apache.lens.driver.hive.HiveDriver - HiveDriver persisted 0 sessions
> 05 Feb 2015 11:53:27,970 [Shutdown] INFO org.apache.lens.server.query.QueryExecutionServiceImpl - Persisted 0 queries
> 05 Feb 2015 11:53:27,986 [Shutdown] INFO org.apache.lens.server.LensServices - Persisted service query to hdfs://lens/tmp/lensserver/query.final
> 05 Feb 2015 11:53:27,986 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting state of service:metastore
> 05 Feb 2015 11:53:28,004 [Shutdown] INFO org.apache.lens.server.LensServices - Persisted service metastore to hdfs://lens/tmp/lensserver/metastore.final
> 05 Feb 2015 11:53:28,004 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting state of service:scheduler
> 05 Feb 2015 11:53:28,014 [Shutdown] INFO org.apache.lens.server.LensServices - Persisted service scheduler to hdfs://lens/tmp/lensserver/scheduler.final
> 05 Feb 2015 11:53:28,014 [Shutdown] INFO org.apache.lens.server.LensServices - Persisting state of service:quota
> 05 Feb 2015 11:53:28,024 [Shutdown] INFO org.apache.lens.server.LensServices - Persisted service quota to hdfs://lens/tmp/lensserver/quota.final
> {noformat}
> Files with their last modify time
> {noformat}
> /usr/local/lens$ hadoop fs -lsr /tmp/lensserver
> lsr: DEPRECATED: Please use 'ls -R' instead.
> drwxrwxrwx - dataqa supergroup 0 2014-12-21 07:52 /tmp/lensserver/hdfsout
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-01 17:20 /tmp/lensserver/metastore.final
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-05 11:53 /tmp/lensserver/metastore.out
> -rw-r--r-- 3 dataqa supergroup 102 2015-02-01 17:20 /tmp/lensserver/query.final
> -rw-r--r-- 3 dataqa supergroup 102 2015-02-05 11:53 /tmp/lensserver/query.out
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-01 17:20 /tmp/lensserver/quota.final
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-05 11:53 /tmp/lensserver/quota.out
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-01 17:20 /tmp/lensserver/scheduler.final
> -rw-r--r-- 3 dataqa supergroup 4 2015-02-05 11:53 /tmp/lensserver/scheduler.out
> -rw-r--r-- 3 dataqa supergroup 10 2015-02-01 17:20 /tmp/lensserver/session.final
> -rw-r--r-- 3 dataqa supergroup 10 2015-02-05 11:53 /tmp/lensserver/session.out
> {noformat}
> Temporary ".out" file is getting regularly updated but while server is exiting rename from ".out" to ".final" is not happening.
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