Re: Need Multixact Freezing Docs

Josh Berkus <josh@agliodbs.com>

From: Josh Berkus <josh@agliodbs.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org
Date: 2014-08-28T16:32:17Z
Lists: pgsql-hackers
On 08/28/2014 09:09 AM, Alvaro Herrera wrote:
> Josh Berkus wrote:
>> On 04/16/2014 01:30 PM, Alvaro Herrera wrote:
>>> Josh Berkus wrote:
>>>>
>>>>> You can see the current multixact value in pg_controldata output.  Keep
>>>>> timestamped values of that somewhere (a table?) so that you can measure
>>>>> consumption rate.  I don't think we provide SQL-level access to those
>>>>> values.
>>>>
>>>> Bleh.  Do we provide SQL-level access in 9.4?  If not, I think that's a
>>>> requirement before release.
>>>
>>> Yeah, good idea.  Want to propose a patch?
>>
>> Yeah, lemme dig into this.  I really think we need it for 9.4, feature
>> frozen or not.

Got sidetracked by JSONB.


-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


Commits

  1. Document pg_get_multixact_members().