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From: Alvaro Herrera <[email protected]>
To: Greg Smith <[email protected]>
Cc: pgsql-docs <[email protected]>
Subject: Re: Improve warnings around CREATE INDEX CONCURRENTLY
Date: Tue, 24 May 2011 16:48:07 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Excerpts from Greg Smith's message of mar may 24 03:56:59 -0400 2011:

> What makes it worse is that the wait shows up as a virtualxid one, which 
> doesn't pop up on many common samples of things to look for in 
> pg_locks.  It would be reasonable but also incorrect for admins to 
> assume a table one would be visible if running into the case alluded to 
> in the docs.  The serial way locks are obtained is unexpected too.

Incidentally, this is one of the things that Jim Nasby wanted exposed
somehow so that these problems are more easily diagnosed.  I dropped the
ball on that one, but I'll be picking it up again at some point.

-- 
Álvaro Herrera <[email protected]>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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