Did you switch the JVM too?

On Thu, May 16, 2013 at 7:14 PM, Wei Zhao <dweiz...@gmail.com> wrote:

> We are migrating from Solr 3.5 to Solr 4.2.
>
> After some performance testing, we found 4.2's memory usage is a lot higher
> than 3.5. Our 12GM max heap process used to handle the test pretty well
> with
> 3.5. while, with 4.2, the same test runs into serious GC half way (20
> minutes) into the test.
>
> Anyone knows that something is significantly different from Solr 3.5 in
> terms of memory usage?
>
> We also notice on a slave, IndexeWriter class is actually taking
> significant
> portion (around 3GB) of the heap. Why Solr opens a IndexWriter on a slave?
> Is there a conf I can use to turn it off? I don't remember I saw such heap
> usage by a similar class in Solr 3.5.
>
>
>
> --
> View this message in context:
> http://lucene.472066.n3.nabble.com/Solr-4-memory-usage-increase-tp4064066.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>



-- 
Bill Bell
billnb...@gmail.com
cell 720-256-8076

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