On Dec 7, 2007 10:25 PM, Greg Smith <[EMAIL PROTECTED]> wrote: > > "Smoothed" makes a lot of sense for me. We used to have a checkpoint > > spike, now we don't. > > To be accurate, there used to be a huge and unavoidable spike, now there's > a control that aims to make it smaller. The problem hasn't completely > gone away yet.
Agreed. > "Distributed checkpoints prevent I/O spikes during checkpoints" > > It's good this came up, because that is factually wrong; Agreed. > "Checkpoint writes can be spread over a longer time period to smooth the > I/O spike during each checkpoint" Sounds good to me. > It's got spread, it's got smooth, and if I could have worked "silky" in > there too I would have. :) -- Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324 EnterpriseDB Corporation | fax: 732.331.1301 499 Thornall Street, 2nd Floor | [EMAIL PROTECTED] Edison, NJ 08837 | http://www.enterprisedb.com/ ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
