Re: system views for walsender activity

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Euler Taveira de Oliveira <euler(at)timbira(dot)com>
Cc: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: system views for walsender activity
Date: 2011-01-10 17:58:13
Message-ID: AANLkTimkeb4Bx=8x4AT4RGLE3-ndcU3HaqudEO-LgmDy@mail.gmail.com
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On Mon, Jan 10, 2011 at 16:48, Euler Taveira de Oliveira
<euler(at)timbira(dot)com> wrote:
> Em 10-01-2011 12:05, Heikki Linnakangas escreveu:
>>
>> So how does a walsender that's waiting for a command from the client
>> show up? Surely it's not in "catchup" mode yet?
>>
> It is kind of "initializing catchup". I think it is not worth representing
> those short lifespan states (in normal scenarios).

True, but it's quite important to detect and diagnose the abnormal ones...

--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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