incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Juho Mäkinen <juho.maki...@gmail.com>
Subject Re: what causes MESSAGE-DESERIALIZER-POOL to spike
Date Tue, 27 Jul 2010 06:28:30 GMT
Off topic, but what was this tool which prints per cpu utilization?

 - Garo

On Mon, Jul 26, 2010 at 10:22 PM, Dathan Pattishall <dathanvp@gmail.com> wrote:
> But the 16 cores are hardly utilized. Which indicates to me there is some
> bad thread thrashing, but why?
>
>   1  [|||||                                              
8.3%]     Tasks:
> 1070 total, 1 running
>   2  [                                                   
0.0%]     Load
> average: 8.34 9.05 8.82
>   3  [                                                   
0.0%]     Uptime:
> 192 days(!), 15:29:52
>   4  [|||||||||||                                       
17.9%]
> ...
>   Mem[||||||||||||||||||||||||||||||||||||||||||||1791/12028MB]
>   Swp[|                                              
6/1983MB]
Mime
View raw message