Re: Reliable and fast money transaction design - Mailing list pgsql-general

From Joshua D. Drake
Subject Re: Reliable and fast money transaction design
Date
Msg-id 46D5A3CB.1080007@commandprompt.com
Whole thread Raw
In response to Re: Reliable and fast money transaction design  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Reliable and fast money transaction design  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
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Tom Lane wrote:
> "Joshua D. Drake" <jd@commandprompt.com> writes:
>> Ron Johnson wrote:
>>> Argh!!!  The RDBMS that I typically use defaults to SERIALIZABLE.
>
>> SERIALIZABLE is really slow :).
>
> Say what?  If anything it's probably faster than READ COMMITTED, because
> it doesn't take as many snapshots.  But the difference is likely down in
> the noise anyway.

Not in production it isn't.

Joshua D. Drake


>
>             regards, tom lane
>
> ---------------------------(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
>


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