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From Doug Steigerwald <dsteigerw...@mcclatchyinteractive.com>
Subject Re: Solr stops responding
Date Tue, 15 Jul 2008 15:38:46 GMT
We haven't seen an OutOfMemoryError.  The load on the server doesn't  
go up either (hovers around 1-2).  We're on Java 1.6.0_03-b05.   
4x3.8GHz Xeons, 8GB RAM.

Doug

On Jul 15, 2008, at 11:29 AM, Fuad Efendi wrote:

> I constantly have the same problem; sometimes I have  
> OutOfMemoryError in logs, sometimes
> not. Not-predictable. I minimized all caches, it still happens even  
> with 8192M. CPU usage
> is 375%-400% (two double-core Opterons), SUN Java 5. Moved to BEA  
> JRockit 5 yesterday,
> looks 30 times faster (25% CPU load with 4096M RAM); no any problem  
> yet, let's see...
>
> Strange: Tomcat simply hangs instead of exit(...)
>
> There are some posts related to OutOfMemoryError in solr-user list.
>
>
> ==============
> http://www.linkedin.com/in/liferay
>
> Quoting Doug Steigerwald <dsteigerwald@mcclatchyinteractive.com>:
>
>> Since we pushed Solr out to production a few weeks ago, we've seen a
>> few issues with Solr not responding to requests (searches or admin
>> pages).  There doesn't seem to be any reason for it from what we can
>> tell.  We haven't seen it in QA or development.
>>
>> We're running Solr with basically the example Solr setup with Jetty
>> (6.1.3).  We package our Solr install by using 'ant example' and
>> replacing configs/etc.  Whenever Solr stops responding, there are no
>> messages in the logs, nothing.  Requests just time out.
>>
>> We have also only seen this on our slaves.  The master doesn't seem  
>> to
>> be hitting this issue.  All the boxes are the same, version of java  
>> is
>> the same, etc.
>>
>> We don't have a stack trace and no JMX set up.  Once we see this  
>> issue,
>> our support folks just stop and start Solr on that machine.
>>
>> Has anyone else run into anything like this with Solr?
>>
>> Thanks.
>> Doug
>
>


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