Re: Concurrency testing - Mailing list pgsql-hackers

From David Fetter
Subject Re: Concurrency testing
Date
Msg-id 20091008153649.GD14810@fetter.org
Whole thread Raw
In response to Re: Concurrency testing  (Dimitri Fontaine <dfontaine@hi-media.com>)
Responses Re: Concurrency testing
List pgsql-hackers
On Thu, Oct 08, 2009 at 10:28:53AM +0200, Dimitri Fontaine wrote:
>  http://tsung.erlang-projects.org/
>  http://tsung.erlang-projects.org/user_manual.html
>  http://archives.postgresql.org/pgsql-admin/2008-12/msg00032.php

It looks like we're talking about two orthogonal projects here:

1.  Test situations which require more than one connection, possibly
to different clusters, for example in the cases of Hot Standby and
Streaming Replication.  This further divides into event-based and
time-based tests.  It's this situation I had in mind when I posted,
and it was inspired by bugs I've seen, the most recent being in
writeable CTEs.

2.  Test situations which require *many* connections in order to find
issues caused, in essence, by load.

Tsung seems well-suited to the latter.

Cheers,
David.
-- 
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david.fetter@gmail.com

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