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https://issues.apache.org/jira/browse/CASSANDRA-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039219#comment-13039219
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Jonathan Ellis commented on CASSANDRA-2671:
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bq. The number of compacted files which were deleted was small w.r.t the total
number of compacted files which remained
My point is the 309 were probably created _after_ the deletion attempt, by
other cleanups.
bq. delegate the disk space freeing to the GC is interesting but I'm not
feeling very confortable with it
We're probably going to switch to explicit reference counting, but not until
1.0: CASSANDRA-2521
> Not deleting compacted files even on out of disk space condition
> ----------------------------------------------------------------
>
> Key: CASSANDRA-2671
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2671
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.6
> Environment: Linux 64-bit ubuntu. Installed via deb package (datastax
> distro)
> Reporter: Marko Mikulicic
>
> I have a node consuming about 170 Gb and filling disk space:
> INFO [CompactionExecutor:1] 2011-05-19 23:01:40,577 StorageService.java
> (line 1888) requesting GC to free disk space
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,448 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1873
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,449 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1872
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,467 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1584
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,481 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1609
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,492 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1789
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,505 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1663
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,539 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1769
> INFO [NonPeriodicTasks:1] 2011-05-19 23:01:51,560 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1794
> ERROR [CompactionExecutor:1] 2011-05-19 23:02:02,461
> AbstractCassandraDaemon.java (line 114) Fatal exception in thread
> Thread[CompactionExecutor:1,1,main]
> java.io.IOException: disk full
> at
> org.apache.cassandra.db.CompactionManager.doCleanupCompaction(CompactionManager.java:697)
> at
> org.apache.cassandra.db.CompactionManager.access$500(CompactionManager.java:56)
> at
> org.apache.cassandra.db.CompactionManager$2.call(CompactionManager.java:173)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> INFO [NonPeriodicTasks:1] 2011-05-19 23:05:00,502 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1874
> INFO [NonPeriodicTasks:1] 2011-05-19 23:05:00,503 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1875
> INFO [NonPeriodicTasks:1] 2011-05-19 23:05:00,504 SSTable.java (line 147)
> Deleted /var/lib/cassandra/data/dnet/body-f-1876
> Then it didn't continue to delete other files.
> echo *Compacted | wc -l
> 309
> A lot of Compacted files remained (309). After restart they are deleted
> during startup.
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