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From "Marcus Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-13980) Compaction deadlock
Date Mon, 30 Oct 2017 07:40:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcus Eriksson resolved CASSANDRA-13980.
-----------------------------------------
       Resolution: Duplicate
    Fix Version/s:     (was: 3.11.x)

Probably the same as CASSANDRA-13948

> Compaction deadlock
> -------------------
>
>                 Key: CASSANDRA-13980
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13980
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Compaction
>         Environment: Cassandra 3.11.2
> 48 nodes cluster using LCS, JBOD
> Big nodes with many SSTables
>            Reporter: Loic Lambiel
>            Priority: Critical
>         Attachments: threaddump.log
>
>
> While upgrading the cluster from 2.1.16 from 3.11.2, after a few hours most of the upgraded
nodes started to go in a compaction infinite loop and showing many events like the one below
(always for the same SSTable):
> {code:java}
> INFO  [CompactionExecutor:4] 2017-10-29 00:28:31,480 LeveledManifest.java:474 - Adding
high-level (L5) BigTableReader(path='/var/lib/cassandra/data/datadisk4/blobstore/block-1d63273065b911e49cd7ef0972cffde6/blobstore-block-ka-201694-Data.db')
to candidates
> {code}
> Since the log get spammed at a huge rate, I'm unable to get any previous events.
> Tried restarts and sstablescrub -m without success. The only workaround that seems to
work (so far) was sstablelevelreset.
> I've attached the dump.



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