On 01/28/2015 01:32 PM, Jatin Davey wrote:
Hi Users
I am using RHEL 6.5 on my server.
From top command i can see that the processors in my server are
spending a lot of time on wait for I/O.
I can see high percentage in terms of 30-50% on "wa" time.
Here is the df output about the disk space in my system:
**********
[root@localhost images]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 1915071844 103227908 1714563936 6% /
tmpfs 32931472 0 32931472 0% /dev/shm
**********
Could someone point me on how to improve the disk I/O on my server and
reduce the wait time on I/O.
you could use iotop or vmstat to see what processes are causing the IO.
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