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From "Viktor Kuzmin (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3991) Investigate importance of jsvc in debian packages
Date Fri, 08 Jun 2012 23:52:23 GMT


Viktor Kuzmin commented on CASSANDRA-3991:

Os: Debian Squeeze (minimal setup, latest packages at the moment of post)

After upgrading from 1.1.0 to 1.1.1 I've faced the problem with error: "Too many open files"
After investigation it appears that it was jsvc who spawns lot's of unix sockets FD's for
communication between forked processes.

There is no more such problem after moving to start-stop-daemon.
> Investigate importance of jsvc in debian packages
> -------------------------------------------------
>                 Key: CASSANDRA-3991
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Minor
>             Fix For: 1.2
> jsvc seems to be buggy at best.  For instance, if you set a small heap like 128M it seems
to completely ignore this and use as much memory as it wants.  I don't know what this is buying
us over launching /usr/bin/cassandra directly like the redhat scripts do, but I've seen multiple
complaints about its memory usage.

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