| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WALInsertLock tuning |
| Date: | 2011-10-14 12:34:44 |
| Message-ID: | CA+Tgmoas-EUSjfNusHapgJRg8oyqTvh52TeLrVcNn5=Mp8tUaQ@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Oct 13, 2011 at 9:35 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
>
> I assume this was addressed with this commit:
>
> commit 465883b0a2b4236ba6b31b648a9eabef3b7cdddb
> Author: Simon Riggs <simon(at)2ndQuadrant(dot)com>
> Date: Tue Jun 28 22:58:17 2011 +0100
>
> Introduce compact WAL record for the common case of commit (non-DDL).
> XLOG_XACT_COMMIT_COMPACT leaves out invalidation messages and relfilenodes,
> saving considerable space for the vast majority of transaction commits.
> XLOG_XACT_COMMIT keeps same definition as XLOG_PAGE_MAGIC 0xD067 and earlier.
>
> Leonardo Francalanci and Simon Riggs
No, that's completely unrelated. I think it just never quite made it
to prime time - it was analyzed theoretically but some of the testing
discussed on the thread doesn't seem to have been done.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Robert Haas | 2011-10-14 12:36:47 | Re: about EDITOR_LINENUMBER_SWITCH |
| Previous Message | Fujii Masao | 2011-10-14 12:28:29 | Re: Online base backup from the hot-standby |