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https://issues.apache.org/jira/browse/CASSANDRA-6283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828925#comment-13828925
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Andreas Schnitzerling commented on CASSANDRA-6283:
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I'm actuall importing logfiles (Heavy writing into one KS, Heavy changing into
other KS (states of imported files)). The result with the pach for
CASSANDRA-6275:
- After 100 imported logfiles no Delete-Error in System.log :-)
- Arount 200 files in the CF-data-folder now. Old files seem not to be
deleted...? Are they deleted later? Or do I need to restart Cassandra?
nodetool repair I didn't test yet.
> Windows 7 data files keept open / can't be deleted after compaction.
> --------------------------------------------------------------------
>
> Key: CASSANDRA-6283
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6283
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Windows 7 (32) / Java 1.7.0.45
> Reporter: Andreas Schnitzerling
> Priority: Critical
> Labels: newbie, patch, test
> Fix For: 2.0.3, 2.1
>
> Attachments: screenshot-1.jpg, system.log
>
>
> Files cannot be deleted, patch CASSANDRA-5383 (Win7 deleting problem) doesn't
> help on Win-7 on Cassandra 2.0.2. Even 2.1 Snapshot is not running. The cause
> is: Opened file handles seem to be lost and not closed properly. Win 7
> blames, that another process is still using the file (but its obviously
> cassandra). Only restart of the server makes the files deleted. But after
> heavy using (changes) of tables, there are about 24K files in the data folder
> (instead of 35 after every restart) and Cassandra crashes. I experiminted and
> I found out, that a finalizer fixes the problem. So after GC the files will
> be deleted (not optimal, but working fine). It runs now 2 days continously
> without problem. Possible fix/test:
> I wrote the following finalizer at the end of class
> org.apache.cassandra.io.util.RandomAccessReader:
> @Override
> protected void finalize() throws Throwable {
> deallocate();
> super.finalize();
> }
> Can somebody test / develop / patch it? Thx.
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