Re: ACID (was Re: Reliable and fast ...)

From: Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: ACID (was Re: Reliable and fast ...)
Date: 2007-08-29 16:22:14
Message-ID: 46D59D36.2040501@cox.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: 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-----

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Tom Lane 2007-08-29 16:38:11 Re: Reliable and fast money transaction design
Previous Message Joshua D. Drake 2007-08-29 16:20:32 Re: ACID (was Re: Reliable and fast ...)