Re: ACID (was Re: Reliable and fast ...)
От | Joshua D. Drake |
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Тема | Re: ACID (was Re: Reliable and fast ...) |
Дата | |
Msg-id | 46D59CD0.8010404@commandprompt.com обсуждение исходный текст |
Ответ на | ACID (was Re: Reliable and fast ...) (Ron Johnson <ron.l.johnson@cox.net>) |
Ответы |
Re: ACID (was Re: Reliable and fast ...)
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Список | pgsql-general |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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? - ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster - -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 24x7/Emergency: +1.800.492.2240 PostgreSQL solutions since 1997 http://www.commandprompt.com/ UNIQUE NOT NULL Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG1ZzQATb/zqfZUUQRAm+lAJ4i8s6I2MKCQGo1zD3g2w5lPRFikwCeNZML 4bV06CiM196qwC2l5MKqn10= =ygzn -----END PGP SIGNATURE-----
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