Mailing List Archive: Solr Slave high CPU at certain hour

Here are two quick things:

1) Make sure info level logging is turned on and look at the logs during
the period of time the CPU is spiking.
2) Do a thread dump of what Solr is doing during 100% cpu time. You can do
a thread dump from the admin console.

Joel Bernstein
http://joelsolr.blogspot.com/

On Fri, Jul 15, 2016 at 1:03 AM, yuyan <coolman0612@hotmail.com> wrote:

> Hi,
>
> I'm hosting a web server. The indexing is powered by Solr.
> The Solr architecture we use is Solr Master / Slave.
> Our Solr Slave(Java.exe) encounters 100 % CPU at a specific time. It
> happens
> few times per day especially working hour.
> Now, how we solved the issue is add another Slave into the ELB.
> We don't know what exactly happened to our Slave server.
>
> Are there any tools or ways to find out what's happening?
>
> Our current setup Platform : AWS Linux Solr version: 5.3.0
>
> Thank you.
>
>
>
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>