Re: Hot Standby: Code Snapshot (v2b) - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Hot Standby: Code Snapshot (v2b)
Date
Msg-id 1225333208.3971.348.camel@ebony.2ndQuadrant
Whole thread Raw
In response to Hot Standby: Code Snapshot (v2b)  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
On Mon, 2008-10-27 at 19:19 +0000, Simon Riggs wrote:
> Single integrated patch with all features.

v3a dev snapshot, applies to head with minor offsets
passes make check and recovery of continuous make installcheck

> New Features
* recovery.conf parameter: max_standby_delay
* startup process waits for, then cancels backends with old snapshots

> Internal changes since last version:
> * various other bug fixes and minor tweaks
>
> Known Issues
> * one case in "make installcheck" recovery fails an assert check.
> Mulling over a clean way to handle it, since its rare, but fiddly. Tried
> a couple of ways of solving it, neither very satisfactory. I'll sleep on
> it. Not a showstopper, but I don't want to holdoff presenting a snapshot
> because of it.

Fixed, plus 2 other prior bugs.

> Things still in progress
> * row cleaners delay or kill users

Done

> * locking, relcache invalidation (early stages of coding)
> * correct locking around flat file refresh (just dummied out for now)
> * btree vacuuming changes (prototyped, but deferred for now)
> * prepared transactions (regression test disabled currently)

--
 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Training, Services and Support

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