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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: substantial performance degradation when using WAL
Date Fri, 17 Dec 2010 19:11:47 GMT
If it wasn't GC it would be core dumps and whatnot, nothings free :)

I will reiterate what I said in my first answer, I'd like to see your
GC log since at this point I haven't seen direct evidence of GC
activity.

J-D

On Fri, Dec 17, 2010 at 1:27 AM, Friso van Vollenhoven
<fvanvollenhoven@xebia.com> wrote:
> Hi J-D,
>
> Thanks for your comments and clarification. I guess GC does blow (especially when writing
things like databases and filesystems).
>
> Right now I will dive into GC tuning once more and probably lower the number of reducers
on the insert jobs.
>
>
> Thanks,
> Friso

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