high iowait

[Kaushal Shriyan]

On Wed, Jun 30, 2010 at 12:07 PM, Sander van Vugt <mail at sandervanvugt.nl> wrote:
> Use iotop, shows exactly which is doing what and if it uses mostly reads
> or writes.
>
> Sander
>
>
> On Wed, 2010-06-30 at 10:40 +0530, Kaushal Shriyan wrote:
>> Hi
>>
>> Is there a way to know what causes high iowait on ubuntu server. I see
>> high %wa intermittently on hardy 8.04 server. I have tomcat server
>> running on it.
>> Can it be alerted via email if for specific reason it occurs.
>>
>> Please suggest/guide further.
>>
>> Thanks
>>
>> Kaushal
>>
>
>
>

Hi Sander,

I have been following
http://www.cyberciti.biz/tips/identifying-linux-bottlenecks-sar-graphs-with-ksar.html
basically i have logrotate application which runs at 1:00 am and i
need to gather reports using sar

*/10 * * * * root /usr/lib64/sa/sa1 1 1
53 23 * * * root /usr/lib64/sa/sa2 -A

not sure i understand that
basically i need to send sar report it to a specific team
Please suggest

Thanks and Regards

Kaushal