On Fri, 2007-06-15 at 13:11 +0200, Michael Paesold wrote:
> Heikki Linnakangas wrote:
> > Here's an updated WIP version of the LDC patch. I just spreads the 
> > writes, that achieves the goal of smoothing the checkpoint I/O spikes. I 
> > think sorting the writes etc. is interesting but falls in the category 
> > of further development and should be pushed to 8.4.
> 
> Why do you think so? Is it too much risk to adapt the sorted writes? The 
> numbers shown by ITAGAKI Takahiro looked quite impressive, at least for 
> large shared_buffers configurations. The reactions where rather 
> positive, too.

Agreed.

Seems like a simple isolated piece of code to include or not. If we
controlled it with a simple boolean parameter, that would allow testing
during beta - I agree it needs more testing.

If we find a way of automating it, cool. If its flaky, strip it out
before we release.

-- 
  Simon Riggs             
  EnterpriseDB   http://www.enterprisedb.com



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