(2013/12/12 9:30), Claudio Freire wrote:
On Wed, Dec 11, 2013 at 3:14 AM, KONDO Mitsumasa
<[email protected]> wrote:
enable_readahead=os|fadvise
with os = on, fadvise = off
Hmm. fadvise is method and is not a purpose. So I consider another idea of
this GUC.
Yeah, I was thinking of opening the door for readahead=aio, but
whatever clearer than on-off would work ;)
I'm very interested in Postgres with libaio, and I'd like to see the perfomance
improvements. I'm not sure about libaio, however, it will face
exclusive-buffer-lock problem in asynchronous IO.
Regards,
--
Mitsumasa KONDO
NTT Open Source Software Center
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