Re: Advice configuring ServeRAID 8k for performance

Andres Freund wrote:
> A new checkpointing logic + a new syncing logic
> (prepare_fsync() earlier and then fsync() later) would be a nice
> thing. Do you plan to work on that?
>

The background writer already caches fsync calls into a queue, so the
prepare step you're thinking needs to be there is already.  The problem
is that the actual fsync calls happen in a tight loop.  That we're busy
fixing.

--
Greg Smith  2ndQuadrant US  Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com   www.2ndQuadrant.us