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From Chris Hostetter <>
Subject Re: Solr CPU Usage
Date Thu, 28 Aug 2014 19:27:12 GMT

: Yes i'm just worried about load average reported by OS, because last week
: suddenly server can't accessed  so we have to hard reboot. I'm still
: investigating what is the problem, because this server is dedicated to solr

ok - so here is the key bit.

basically, nothing else you've mentioend in this thread indicates any sort 
of problem -- your load (now, the one you've observed) is fine.  the 
questionsi "what happened last week?"

do you have any metrics/monitoring information from the server when you 
actually had a problem?

do you have any logs (from Solr, or from jetty, or from the OS, or any 
OS/hardware monitoring tools from last week when the problem happened?

define "server can't accessed"?  do you mean solr wasn't responding to 
queries, or do you mean i couldn't evevne ping the machine, let alone ssh 
to it? ... because there is a big difference.

if you can ssh to a machine, but solr is not responding, then generating 
thread dumps would help see what solr is doing.


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