Re: [PATCH 02/14] Add support for a generic wal reading facility dubbed XLogReader
Andres Freund <andres@2ndquadrant.com>
From: Andres Freund <andres@2ndquadrant.com>
To: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: pgsql-hackers@postgresql.org
Date: 2012-12-09T19:15:32Z
Lists: pgsql-hackers
On 2012-11-15 16:22:56 +0200, Heikki Linnakangas wrote: > On 15.11.2012 03:17, Andres Freund wrote: > > > >Features: > >- streaming reading/writing > >- filtering > >- reassembly of records > > > >Reusing the ReadRecord infrastructure in situations where the code that wants > >to do so is not tightly integrated into xlog.c is rather hard and would require > >changes to rather integral parts of the recovery code which doesn't seem to be > >a good idea. > > > >Missing: > >- "compressing" the stream when removing uninteresting records > >- writing out correct CRCs > >- separating reader/writer > > I'm disappointed to see that there has been no progress on this patch since > last commitfest. I thought we agreed on the approach I championed for here: > http://archives.postgresql.org/pgsql-hackers/2012-09/msg00636.php. There > wasn't much work left to finish that, I believe. > > Are you going to continue working on this? Patch (git repo) is now based ontop of my vesion of your xlogreader version... Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
Commits
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API reference →
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Background worker processes
- da07a1e85651 9.3.0 cited
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Rearrange storage of data in xl_running_xacts.
- 5c11725867ac 9.3.0 cited
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Basic binary heap implementation.
- 7a2fe9bd0371 9.3.0 cited
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Embedded list interface
- a66ee69add6e 9.3.0 cited
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Refactor xlog.c to create src/backend/postmaster/startup.c
- 9aceb6ab3c20 9.2.0 cited