# How can i check what is more ( read OR write ) ?

**URL:** <https://forums.percona.com/t/how-can-i-check-what-is-more-read-or-write/2668>\
**Category:** Other MySQL® Questions\
**Created:** [May 8, 2013, 2:07am UTC](https://forums.percona.com/t/how-can-i-check-what-is-more-read-or-write/2668 "2013-05-08T02:07:46Z")\
**Posts on this page:** 2\
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**Author:** ![systemali](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@systemali](https://forums.percona.com/u/systemali)\
**Post date:** [May 8, 2013, 2:07am UTC](https://forums.percona.com/t/how-can-i-check-what-is-more-read-or-write/2668/1 "2013-05-08T02:07:46Z")

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Hello every one,

I need to check what is more on my server, is it read or write ?

any suggestions ?

I am also pasting the output of IOSTAT below :-

root@rack02 /home # iostat -d -x 1 3  
Linux 2.6.18-308.4.1.el5 (rack02.cv.local) 05/08/2013

Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util  
sda 0.21 42.11 2.89 11.87 120.17 804.17 62.63 0.09 6.11 0.99 1.47  
sda1 0.00 0.00 0.00 0.00 0.01 0.00 9.81 0.00 2.41 2.36 0.00  
sda2 0.21 42.11 2.88 11.87 120.16 804.17 62.64 0.09 6.11 0.99 1.47  
sda3 0.00 0.00 0.00 0.00 0.00 0.00 46.56 0.00 6.82 6.74 0.00

Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util  
sda 0.00 5.00 0.00 6.00 0.00 88.00 14.67 0.05 7.83 7.83 4.70  
sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
sda2 0.00 5.00 0.00 6.00 0.00 88.00 14.67 0.05 7.83 7.83 4.70  
sda3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util  
sda 0.00 2.00 0.00 6.00 0.00 64.00 10.67 0.02 4.00 4.00 2.40  
sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
sda2 0.00 2.00 0.00 6.00 0.00 64.00 10.67 0.02 4.00 4.00 2.40  
sda3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Thank you

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**Author:** ![gmouse](https://avatars.discourse-cdn.com/v4/letter/g/b9e5f3/32.png) [@gmouse](https://forums.percona.com/u/gmouse)\
**Post date:** [May 8, 2013, 4:42am UTC](https://forums.percona.com/t/how-can-i-check-what-is-more-read-or-write/2668/2 "2013-05-08T04:42:16Z")

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