Re: ACID (was Re: Reliable and fast ...)
От | Ron Johnson |
---|---|
Тема | Re: ACID (was Re: Reliable and fast ...) |
Дата | |
Msg-id | 46D59D36.2040501@cox.net обсуждение исходный текст |
Ответ на | Re: ACID (was Re: Reliable and fast ...) ("Joshua D. Drake" <jd@commandprompt.com>) |
Список | pgsql-general |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 08/29/07 11:20, Joshua D. Drake wrote: > Ron Johnson wrote: >> On 08/29/07 10:40, Joshua D. Drake wrote: >>> Ron Johnson wrote: > >>>> Argh!!! The RDBMS that I typically use defaults to SERIALIZABLE. >>> SERIALIZABLE is really slow :). You should look into SERIALIZABLE only >>> for those transactions that need it. There is also SELECT FOR UPDATE. >> We use SERIALIZABLE (with all it's locking "issues") to guarantee >> the I in ACID. ISTM that READ COMMITTED can only deliver "ACD". > > You are using serializable for select statements? READ ONLY, which defaults to SERIALIZABLE. (It's not PostgreSQL...) - -- 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) iD8DBQFG1Z02S9HxQb37XmcRAnzVAKDFFqHLuMHE1q6sgvO288bzZvZa1gCfcGWM KUyB8HyjE3s9NfWq5GeLfvQ= =9jB2 -----END PGP SIGNATURE-----
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