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From Alexander Ramos Jardim <>
Subject Re: Performance "dead-zone" due to garbage collection
Date Wed, 21 Jan 2009 19:23:19 GMT
I would say that putting more Solr instances, each one with your own data
directory could help if you can qualify your docs, in such a way that you
can put "A" type docs in index "A", "B" type docs in index "B", and so on.

2009/1/21 wojtekpia <>

> I'm using a recent version of Sun's JVM (6 update 7) and am using the
> concurrent generational collector. I've tried several other collectors,
> none
> seemed to help the situation.
> I've tried reducing my heap allocation. The search performance got worse as
> I reduced the heap. I didn't monitor the garbage collector in those tests,
> but I imagine that it would've gotten better. (As a side note, I do lots of
> faceting and sorting, I have 10M records in this index, with an approximate
> index file size of 10GB).
> This index is on a single machine, in a single Solr core. Would splitting
> it
> across multiple Solr cores on a single machine help? I'd like to find the
> limit of this machine before spreading the data to more machines.
> Thanks,
> Wojtek
> --
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Alexander Ramos Jardim

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