Re: [HACKERS] Commit timestamp abbreviations

2014-12-24 Thread Petr Jelinek

On 24/12/14 15:15, Bruce Momjian wrote:

On Tue, Dec 23, 2014 at 06:00:21PM -0300, Alvaro Herrera wrote:

Bruce Momjian wrote:

I noticed this when looking at the allocated shared memory structures in
head:

shared memory alignment 64-byte of CommitTs Ctl:  0
shared memory alignment 64-byte of CommitTs shared:  0

I thought we got rid of the idea that 'Ts' means timestamp.  Was this
part forgotten?


Do you have a specific reference?  That's not the concern I remember,
and I sure don't want to re-read that whole thread again.


I remember the issue of using _ts and 'ts' inconsistently, and I thought
we were going to spell out timestamp in more places, but maybe I am
remembering incorrectly.



The change was from committs to commit_ts + CommitTs depending on place.

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 Petr Jelinek  http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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Re: [HACKERS] Commit timestamp abbreviations

2014-12-24 Thread Bruce Momjian
On Tue, Dec 23, 2014 at 06:00:21PM -0300, Alvaro Herrera wrote:
> Bruce Momjian wrote:
> > I noticed this when looking at the allocated shared memory structures in
> > head:
> > 
> > shared memory alignment 64-byte of CommitTs Ctl:  0
> > shared memory alignment 64-byte of CommitTs shared:  0
> > 
> > I thought we got rid of the idea that 'Ts' means timestamp.  Was this
> > part forgotten?
> 
> Do you have a specific reference?  That's not the concern I remember,
> and I sure don't want to re-read that whole thread again.

I remember the issue of using _ts and 'ts' inconsistently, and I thought
we were going to spell out timestamp in more places, but maybe I am
remembering incorrectly.

-- 
  Bruce Momjian  http://momjian.us
  EnterpriseDB http://enterprisedb.com

  + Everyone has their own god. +


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Re: [HACKERS] Commit timestamp abbreviations

2014-12-24 Thread Alvaro Herrera
Bruce Momjian wrote:
> I noticed this when looking at the allocated shared memory structures in
> head:
> 
>   shared memory alignment 64-byte of CommitTs Ctl:  0
>   shared memory alignment 64-byte of CommitTs shared:  0
> 
> I thought we got rid of the idea that 'Ts' means timestamp.  Was this
> part forgotten?

Do you have a specific reference?  That's not the concern I remember,
and I sure don't want to re-read that whole thread again.

-- 
Álvaro Herrerahttp://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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