Re: Maximum Possible Insert Performance?
Shridhar Daithankar <shridhar_daithankar@myrealbox.com>
From: Shridhar Daithankar <shridhar_daithankar@myrealbox.com>
To:
Cc: pgsql-performance@postgresql.org
Date: 2003-11-24T05:50:36Z
Lists: pgsql-performance
William Yu wrote: > My situation is this. We have a semi-production server where we > pre-process data and then upload the finished data to our production > servers. We need the fastest possible write performance. Having the DB > go corrupt due to power loss/OS crash is acceptable because we can > always restore from last night and re-run everything that was done since > then. > > I already have fsync off. Short of buying more hardware -- which I will > probably do anyways once I figure out whether I need more CPU, memory or > disk -- what else can I do to max out the speed? Operation mix is about > 50% select, 40% insert, 10% update. Mount WAL on RAM disk. WAL is most often hit area for heavy updates/inserts. If you spped that up, things should be pretty faster. A non-tried advice though. Given that you can afford a crash, I would say it is worth a try.. Shridhar