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From Mikhail Khludnev <mkhlud...@griddynamics.com>
Subject Re: High cpu ratio when solr sleep
Date Wed, 15 Jan 2014 11:29:07 GMT
Hello,

Invoke top for particular process displaying threads enabled.
Find the hottest thread PID.
invoke jstack for this process, find the suspicious thread by "..
nid=0x[PID in hex]"
...
PROFIT!


On Wed, Jan 15, 2014 at 1:38 PM, YouPeng Yang <yypvsxf19870706@gmail.com>wrote:

> Hi
>   I find that the cpu ratio is very high when the tomcat contained solr
> 4.6 sleep.
> The pid 13359  shows that my sleeping solr web container  take high cpu
> ratio
>
>   Any insights?
>
>
> [solr@fkapp1 ~]$ top -d -1  -u solr
> top - 17:30:15 up 302 days,  7:10,  5 users,  load average: 4.54, 4.52,
> 4.47
> Tasks: 418 total,   1 running, 412 sleeping,   0 stopped,   5 zombie
> Cpu(s): 19.1%us,  0.1%sy,  0.0%ni, 80.8%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
> Mem:  32955380k total, 28288212k used,  4667168k free,   503148k buffers
> Swap: 37257200k total,    87064k used, 37170136k free, 10861500k cached
>
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+
> COMMAND
>
> 13359 solr      21   0 11.4g 6.7g  12m S 400.5 21.4 491:30.85 java
>
>  3678 solr      15   0 13020 1380  828 R  0.0  0.0   0:19.16
> top
>
>  3694 solr      15   0 66092 1556 1228 S  0.0  0.0   0:00.01
> bash
>



-- 
Sincerely yours
Mikhail Khludnev
Principal Engineer,
Grid Dynamics

<http://www.griddynamics.com>
 <mkhludnev@griddynamics.com>

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