Re: UNIX File buffering disable?

Hello ,

Hmmm
This concernes me to  does anyone has answers for this please .
and Oli  if you get  this answer from some other posts please forward it
here also.

Regards,
Vishal Kashyap

> Hello
>
> I have heard that UNIX I/O buffer sometimes causes problems during
> system crash because it keeps files which, application thinks, are
> already written to disk. And then this changes go lost during crash.
> Therefore I heard a recommendation, that dba's should disabled UNIX
> file buffering on mountpoints where rdbms are running.
>
> What about this? Any hints? What about PostgreSQL? Do we bypass this
> OS buffering (fsync?) or should a dba do anything else?
>
> How do I disable this I/O buffering?
>
> Thanks for comments
> Oli
>
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> Oli Sennhauser
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