[Ocfs2-users] High on buffers and deep on swap

[Luis Freitas]

Hi,
   
     This is a bit off topic, hope there is not a problem.
   
     Anyone out there experiencing high swapping with the kernel retaining a large amount of buffers? This used to be a problem on 2.4, and I usually changed /proc/sys/vm/freepages to fix it. But on 2.6 this parameter no longer exists.
   
      One of the servers here is holding over 3.5Gb of cache even when using over 700Mb of swap, and free memory is always low.
   
  [oracle at br001sv0432 ~]$ free
             total       used       free     shared    buffers     cached
Mem:       5190736    4810880     379856          0     143032    3583868
-/+ buffers/cache:    1083980    4106756
Swap:      2048248     723064    1325184
[oracle at br001sv0432 ~]$

     I am tuning /proc/sys/vm/swappiness, but this seems to have no effect at all. Changed from 60 to 10 and seems to have no effect. The server runs Oracle RAC with OCFS2.
   
  Regards,
  Luis
   
   

 
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