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https://issues.apache.org/jira/browse/CASSANDRA-2669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039202#comment-13039202
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Jonathan Ellis commented on CASSANDRA-2669:
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patch attached to add finally { close } block.
> Scrub does not close files
> --------------------------
>
> Key: CASSANDRA-2669
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2669
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Affects Versions: 0.7.3
> Reporter: Daniel Doubleday
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.7.7, 0.8.1
>
> Attachments: 2669.txt
>
>
> After scrubbing I find that cassandra process still holds file handles to the
> deleted sstables:
> {noformat}
> root@blnrzh047:/mnt/cassandra# jps
> 6932 Jps
> 32359 CassandraDaemon
> 32398 CassandraJmxHttpServer
> root@blnrzh047:/mnt/cassandra# du -sh .
> 315G .
> root@blnrzh047:/mnt/cassandra# df -h .
> Filesystem Size Used Avail Use% Mounted on
> /dev/md0 1.1T 626G 420G 60% /mnt/cassandra
> root@blnrzh047:/mnt/cassandra# lsof | grep /mnt
> java 32359 root 356r REG 9,0 24
> 4194599 /mnt/cassandra/data/system/Migrations-f-13-Index.db (deleted)
> java 32359 root 357r REG 9,0 329451
> 4194547 /mnt/cassandra/data/system/HintsColumnFamily-f-588-Data.db (deleted)
> java 32359 root 358r REG 9,0 22
> 4194546 /mnt/cassandra/data/system/HintsColumnFamily-f-588-Index.db (deleted)
> java 32359 root 359r REG 9,0 313225
> 4194534 /mnt/cassandra/data/system/HintsColumnFamily-f-587-Data.db (deleted)
> java 32359 root 360r REG 9,0 22
> 4194494 /mnt/cassandra/data/system/HintsColumnFamily-f-587-Index.db (deleted)
> java 32359 root 361r REG 9,0 30452
> 4194636 /mnt/cassandra/data/system/Schema-f-13-Data.db (deleted)
> java 32359 root 362r REG 9,0 484
> 4194635 /mnt/cassandra/data/system/Schema-f-13-Index.db (deleted)
> {noformat}
> I guess there's a missing dataFile.close() in CompactionManager:648
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