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From "Hiller, Dean" <Dean.Hil...@nrel.gov>
Subject Re: what size file for LCS is best for 300-500G per node?
Date Tue, 05 Mar 2013 15:37:00 GMT
Thanks!
Dean

On 3/4/13 7:12 PM, "Wei Zhu" <wz1975@yahoo.com> wrote:

>We have 200G and ended going with 10M. The compaction after repair takes
>a day to finish. Try to run a repair and see how it goes.
>
>-Wei
>
>----- Original Message -----
>From: "Dean Hiller" <Dean.Hiller@nrel.gov>
>To: user@cassandra.apache.org
>Sent: Monday, March 4, 2013 10:52:27 AM
>Subject: what size file for LCS is best for 300-500G per node?
>
>Should we really be going with 5MB when it compresses to 3MB?  That seems
>to be on the small side, right?  We have ulimit cranked up so many files
>"shouldn't" be an issue but maybe we should go to 10MB or 100MB or
>something in between?  Does anyone have any experience with changing the
>LCS sizes?
>
>I do read somewhere startup times of opening 100,000 files could be
>slow????? Which implies a larger size so less files might be better?
>
>Thanks,
>Dean
>


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