Loic Lambiel created CASSANDRA-13980:
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Summary: 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
Fix For: 3.11.x
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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