iostat : low w/s & wkB/s , high w_await
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I'm suffering performance issues with my application, iostat shows low w/s & wkB/s but high w_await. How can I know the root cause or any suggestion ?
linux io
edited Jan 25 at 8:17
Mr Shunz
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
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add a comment |
0
I'm suffering performance issues with my application, iostat shows low w/s & wkB/s but high w_await. How can I know the root cause or any suggestion ?
linux io
edited Jan 25 at 8:17
Mr Shunz
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
There can be lots of causes. But have a look at this and see if you also have processes sitting inDstate.
– dirkt
Jan 25 at 7:59
add a comment |
0
0
0
I'm suffering performance issues with my application, iostat shows low w/s & wkB/s but high w_await. How can I know the root cause or any suggestion ?
linux io
edited Jan 25 at 8:17
Mr Shunz
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
I'm suffering performance issues with my application, iostat shows low w/s & wkB/s but high w_await. How can I know the root cause or any suggestion ?
linux io
linux io
edited Jan 25 at 8:17
Mr Shunz
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
edited Jan 25 at 8:17
Mr Shunz
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
edited Jan 25 at 8:17
Mr Shunz
1,82712017
edited Jan 25 at 8:17
Mr Shunz
1,82712017
edited Jan 25 at 8:17
Mr Shunz
1,82712017
1,82712017
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
asked Jan 25 at 7:24
Macleod LeeMacleod Lee
1
1
There can be lots of causes. But have a look at this and see if you also have processes sitting inDstate.
– dirkt
Jan 25 at 7:59
add a comment |
There can be lots of causes. But have a look at this and see if you also have processes sitting inDstate.
– dirkt
Jan 25 at 7:59
There can be lots of causes. But have a look at this and see if you also have processes sitting in
D state.– dirkt
Jan 25 at 7:59
There can be lots of causes. But have a look at this and see if you also have processes sitting in
D state.– dirkt
Jan 25 at 7:59
add a comment |
0
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There can be lots of causes. But have a look at this and see if you also have processes sitting in
Dstate.– dirkt
Jan 25 at 7:59