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From "Sander Temme (JIRA)" <j...@apache.org>
Subject [jira] Closed: (INFRA-613) Move MySQL data files to different spindle on ajax
Date Fri, 04 Nov 2005 06:38:28 GMT
     [ http://issues.apache.org/jira/browse/INFRA-613?page=all ]
     
Sander Temme closed INFRA-613:
------------------------------

    Resolution: Fixed

On to step 15. Five second snapshot before:

avg-cpu:  %user   %nice    %sys %iowait   %idle
           5.01    0.00    2.51   92.48    0.00

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              22.01       640.25       105.64       3200        528
sda1              0.00         0.00         0.00          0          0
sda2              0.00         0.00         0.00          0          0
sda3              7.20       230.49         0.00       1152          0
sda4             14.01       409.76        99.24       2048        496
sda5              0.80         0.00         6.40          0         32
sdb             455.38      6207.22         0.00      31024          0
sdb1            455.38      6207.22         0.00      31024          0
sdc               7.20        30.41        44.82        152        224
sdc1              7.20        30.41        44.82        152        224
sdd               5.00        12.81        44.82         64        224
sdd1              5.00        12.81        44.82         64        224

after:

avg-cpu:  %user   %nice    %sys %iowait   %idle
          10.15    0.01    1.22   33.92   54.70

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda              37.41         1.60       985.99          8       4928
sda1              0.00         0.00         0.00          0          0
sda2              0.00         0.00         0.00          0          0
sda3             24.21         0.00       813.12          0       4064
sda4             12.60         1.60       168.07          8        840
sda5              0.60         0.00         4.80          0         24
sdb              18.81       697.87         0.00       3488          0
sdb1             18.81       697.87         0.00       3488          0
sdc             162.66       401.76       939.57       2008       4696
sdc1            162.66       401.76       939.57       2008       4696
sdd             151.06       304.12       939.57       1520       4696
sdd1            151.06       304.12       939.57       1520       4696


> Move MySQL data files to different spindle on ajax
> --------------------------------------------------
>
>          Key: INFRA-613
>          URL: http://issues.apache.org/jira/browse/INFRA-613
>      Project: Infrastructure
>         Type: Task
>     Reporter: Sander Temme
>     Assignee: Sander Temme

>
> Move MySQL data files, currently in /x1/mysql-store and symlinked from /var/lib/mysql,
to /raid1 which is seeing much lighter use. Hopefully this will reduce the I/O contention
on the box somewhat. It'll also give us  the benefit of soft RAID1 redundancy. 

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