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From Weijun Li <weiju...@gmail.com>
Subject Re: How to force GC in Cassandra?
Date Sat, 13 Mar 2010 09:27:46 GMT
Thanks Jonathan! I looked into your code and guessed that compaction is the
one that cleans all deleted columns from sstable.

-Weijun

On Fri, Mar 12, 2010 at 12:05 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

> I think you mean compaction?
>
> You can use nodeprobe / nodetool for that.
>
> http://wiki.apache.org/cassandra/NodeProbe
>
> On Fri, Mar 12, 2010 at 12:40 PM, Weijun Li <weijunli@gmail.com> wrote:
> > Suppose I insert a lot of new items but also delete a lot of new items
> > daily, it will be ideal if I can force GC to happen during mid night
> (when
> > traffic is low). Is there any way to manually force GC to be executed? In
> > this way I can add a cronjob to trigger gc in mid night. I tried nodetool
> > and the JMX interface but they don't seem to have that.
> >
> > -Weijun
> >
>

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