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 ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
