-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 08/22/07 17:45, Dmitry Koterov wrote: > Also, the controller is configured to use 75% of its memory for write > caching and 25% - for read caching. So reads cannot flood writes.
That seems to be a very extreme ratio. Most databases do *many* times more reads than writes. - -- Ron Johnson, Jr. Jefferson LA USA Give a man a fish, and he eats for a day. Hit him with a fish, and he goes away for good! -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFGzMNDS9HxQb37XmcRAgMLAJsGvA43MKrfRKoyf0W0Nv5/VWu5gACdG8qh oJbb6+7FbotnEXnf9PdYF+E= =Esfi -----END PGP SIGNATURE----- ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match