| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #4879: bgwriter fails to fsync the file in recovery mode |
| Date: | 2009-06-25 20:39:06 |
| Message-ID: | 1245962346.4038.214.camel@ebony.2ndQuadrant |
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| Thread: | |
| Lists: | pgsql-bugs |
On Thu, 2009-06-25 at 15:10 -0400, Tom Lane wrote:
> So to summarize the state of play, it seems
> we have these issues:
>
> * need to delete startup process's local pendingOpsTable once bgwriter
> is launched, so that requests go to bgwriter instead
Need to ensure that fsync requests are directed to the process that will
act on the fsync requests.
> * need to push end-of-recovery checkpoint into bgwriter
That's probably the easiest thing to do, but the issue is that we must
fsync all files mentioned in the pendingOpsTable in *any* process that
has been accumulating such requests.
> * need to do something about IsRecovery tests that will now be executed
> in bgwriter
Yes
> * need to fix mistaken code in FinishPreparedTransaction
Yes
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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