Re: Hot standby, running xacts, subtransactions - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Hot standby, running xacts, subtransactions
Date
Msg-id 1235598234.16176.373.camel@ebony.2ndQuadrant
Whole thread Raw
In response to Re: Hot standby, running xacts, subtransactions  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Hot standby, running xacts, subtransactions
List pgsql-hackers
On Wed, 2009-02-25 at 13:33 -0800, Josh Berkus wrote:
> > You raised that as an annoyance previously because it means that
> > connection in hot standby mode may be delayed in cases of heavy,
> > repeated use of significant numbers of subtransactions. 
> 
> While most users still don't use explicit subtransactions at all, 
> wouldn't this also affect users who use large numbers of stored procedures?

If they regularly use more than 64 levels of nested EXCEPTION clauses
*and* they start their base backups during heavy usage of those stored
procedures, then yes.

-- Simon Riggs           www.2ndQuadrant.comPostgreSQL Training, Services and Support



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