Re: Faster reindexing

2003-07-10 Thread Florian Weimer
Dathan Vance Pattishall [EMAIL PROTECTED] writes: Maybe increasing #use for when mysql is doing a check or repair set-variable= myisam_sort_buffer_size=64M to a higher value will make the index happen faster on the fly. MySQL doesn't seem to honour this variable. I've set it to

Re: Recomended RAM for production server. 3Gb overboard?

2003-07-10 Thread Florian Weimer
Brad Brad [EMAIL PROTECTED] writes: The OpenBSD server is 2.8Ghz and may have as many as 230 mysql sessions with 14 queries a second, the rest will be sleeping (ftp sessions maintain connection). The db directory is 80mb total, 80 MB? Is this a typo? The old server is seems quite happy

Re: Faster reindexing

2003-07-09 Thread Florian Weimer
Dathan Vance Pattishall [EMAIL PROTECTED] writes: #use for when mysql is doing a check or repair set-variable= myisam_sort_buffer_size=64M to a higher value will make the index happen faster on the fly. Oops. I only adjusted the key_buffer value. Probably I should set

Creeping index syndrome

2003-07-07 Thread Florian Weimer
Does MySQL require periodic reindexing for indexes on columns whose value permanently increases (while the oldest entries are expired)? Another database suffers from the so-called creeping index syndrome, which results in ever-growing indexes in such cases (some pages in the index can never be

Faster reindexing

2003-07-07 Thread Florian Weimer
I've got a table with 100 million rows and need some indexes on it (one row is 126 bytes). I'm currently using MyISAM and the indexing proceeds at an astonishingly low rate: about 200 MB per hour. This is rate is far too low; if we had to recover the database for some reason, we'd have to wait

Re: Mysql - Dual Xeon or Dual Opteron

2003-07-07 Thread Florian Weimer
Konstantin Yotov [EMAIL PROTECTED] writes: 2x1GHz Intel, 1GB RAM, 40GB WD 7200 8MB cache. We are going to uprade our server but I'am wondering between new Opteron (1.4GHz)and Xeon (2.4). Can't you get a machine for testing before you buy it? Xeon processors aren't necessarily a significant