Re: Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options
Vivek Khera <khera@kcilink.com>
From: Vivek Khera <khera@kcilink.com>
To: pgsql-performance@postgresql.org
Date: 2004-09-14T18:19:33Z
Lists: pgsql-performance
>>>>> "TL" == Tom Lane <tgl@sss.pgh.pa.us> writes: TL> Bruce Momjian <pgman@candle.pha.pa.us> writes: >> If we had a majority of queries filling more than one block we would >> be checkpointing like crazy and we don't normally get reports about >> that. TL> [ raised eyebrow... ] And of course the 30-second-checkpoint-warning TL> stuff is a useless feature that no one ever exercises. Well, last year about this time I discovered in my testing I was excessively checkpointing; I found that the error message was confusing, and Bruce cleaned it up. So at least one person excercised that feature, namely me. :-) -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: khera@kciLink.com Rockville, MD +1-301-869-4449 x806 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/