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From Dan Washusen <...@reactive.org>
Subject Re: too many open files 0.7.0 beta1
Date Thu, 26 Aug 2010 04:16:47 GMT
Maybe you're seeing this:
https://issues.apache.org/jira/browse/CASSANDRA-1416

On Thu, Aug 26, 2010 at 2:05 PM, Aaron Morton <aaron@thelastpickle.com>wrote:

> Under 0.7.0 beta1 am seeing cassandra run out of files handles...
>
> Caused by: java.io.FileNotFoundException: /local1/junkbox/cassandra/data/
> junkbox.wetafx.co.nz/ObjectIndex-e-31-Index.db (Too many open files)
>         at java.ioRandomAccessFile.open(Native Method)
>         at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>         at java.io.RandomAccessFile.<init>(RandomAccessFile.java:98)
>         at
> org.apache.cassandra.io.util.BufferedRandomAccessFile.<init>(BufferedRandomAccessFile.java:142)
>
> If I look at the file descriptors for the process I can see it already has
> 1,958 for to the file
>
> sudo ls -l /proc/20862/fd | grep "ObjectIndex-e-31-Data.db" |  wc -l
> 1958
>
> Out of a total of 2044.
>
> Other nodes in the cluster have a similar number of fd's - around 2k with
> the majority to one SSTable.
>
> I did not experience this under 0.6 so just checking if this sounds OK and
> I should just increase the number of handles or if it's a bug?
>
> Thanks
> Aaron
>
>
>
>

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