SEO
vBulletin Search Engine Optimization
| |||||||
| Register | FAQ | Members List | Calendar | Search | Today's Posts | Mark Forums Read |
04-19-2008, 10:46 AM
| ||||
| ||||
 Re: Performance increase with elevator=deadline "Albe Laurenz" <laurenz.albe@wien.gv.at> writes: > This refers to the performance problem reported in > http://archives.postgresql.org/pgsql...4/msg00052.php > > After some time of trial and error we found that changing the I/O scheduling > algorithm to "deadline" improved I/O performance by a factor 4 (!) for > this specific load test. What was the algorithm before? -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's On-Demand Production Tuning -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance      |
|
04-19-2008, 10:46 AM
| ||||
| ||||
| Re: Performance increase with elevator=deadline Gregory Stark wrote: >> After some time of trial and error we found that changing the I/O scheduling >> algorithm to "deadline" improved I/O performance by a factor 4 (!) for >> this specific load test. > > What was the algorithm before? The default algorithm, CFQ I think it is. Yours, Laurenz Albe -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance |
Linear Mode
