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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: cassandra freezes
Date Fri, 26 Feb 2010 13:51:47 GMT
On Fri, Feb 26, 2010 at 4:49 AM, Boris Shulman <shulmanb@gmail.com> wrote:
> I did some analysis using iostat and vmstat and those are the results:
> When the node freezes (I'm not running on a vm, I'm running on 2 cpu 8
> cores machine with 12G RAM):
>
> sda               0.00  9791.20  0.00 93.60     0.00 94080.00  1005.13
>  140.46 1589.95  10.69 100.02
>
> does that mean that the device just can't handle the io produced by casandra?

Apparently.  You should upgrade your OS or possibly you have failing
hardware, because freezing while writing to a single disk is NOT
normal behavior.

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