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From Marc Sturlese <>
Subject Re: concurrency problem with delta-import (indexing various cores simultaniously)
Date Fri, 20 Feb 2009 18:08:09 GMT

I am working with 3 index of 1 gig each. I am using the standard setting of
the GC, haven't changed anything and using java version "1.6.0_07".
I don't know so much about GV configuration... just read this

when a month ago I exeprienced another problem with Solr (at the end it was
not GV's fault). So, any advice about wich GC should I try or what should I

Thank you very much!

Shalin Shekhar Mangar wrote:
> On Fri, Feb 20, 2009 at 11:23 PM, Marc Sturlese
> <>wrote:
>> Yes,
>> Now it's almost tree days non-stop since I am running updates with the 3
>> cores with cron jobs. If there are updates of 10000 docs everything is
>> alrite. When I start doing updates of 300000 is when that core runs
>> really
>> slow. I have to abort the import in that core and keep updating with less
>> rows each time.
>> Another thing to point is that tomcat reaches the maximum memory I allow
>> (2Gig) and never goes down (but at least it doesn't run out of memory).
>> Is
>> that normal? Shouldn't the memory go down a lot after an update is
>> completed?
> I guess you are being hit by garbage collection. Memory utilization should
> go down once an import completes. Which GC are you using? There have been
> a
> few recent threads on GC settings. Perhaps you can try out a few of those
> settings. I don't know how big your documents/index are but if possible
> give
> it more memory.
> -- 
> Regards,
> Shalin Shekhar Mangar.

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