Re: Re: ubh3 + MySQL 4.1.x, default storage engine "gothca"
Gerard Lanois <[email protected]> Fri, 18 Mar 2005 18:01:15 -0800 (PST)
| Newsgroups | gmane.network.ubh |
|---|---|
| Message-ID | <[email protected]> |
2.4 GHz laptop with a 5400rpm hard drive with no cache. windows xp. --- Ben <[email protected]> wrote: > > --- In [email protected], "gerardlanois" <gerardlanois@y...> wrote: > > Needless to say, this causes horrific database performance. I > > noticed I was getting about 6 inserts per second in ubhdb. > > > > With MyISAM, ubhdb is doing about 192 inserts per second. Ahhhh, > > much better. > > Just out of curiousity, what kind of hardware are you using? I ask > because I am getting about 312 inserts/second (the multipart, header, > and xref_header inserts in ubhdb) using the PostgreSQL 7.4 patches I > made a while ago. My PostgreSQL installation is actually many > versions out of date (8.0 has been released for a while now and has > good Windows support) and has not been tuned (out of the box > postgresql.conf). > > I'm using Benchmark::Timer around each iteration of the loop in > ubhdb::add_articles and around the multipart query. > > 578366 trials of process article (3,980s total), 6.883ms/trial (2 > inserts per trial) > > 84327 trials of multipart (272.331s total), 3.229ms/trial (1 insert > per trial) > > 578366*2+84327=1241059/3980~=312 > > There are several selects happening there too, the overhead of the > benchmark code, and some very slight overhead from constraint > triggers, functions, and indexes. > > I'm curious about the performance of modern MySQL databases in > comparison. I haven't used it heavily since late 3.x/early 4.x. > > My specs are: > 900MHz Athlon tbird > 768MB > Linux 2.4.27 > ext2 @ 85% utilization > IBM-DTLA-307045 46.1GB 7200rpm 2MB buffer > > If you don't care or don't have time, I would understand. > > Ben > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/ubh/ <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/