Re: max_standby_delay considered harmful

On Thu, 2010-05-06 at 17:39 +0300, Heikki Linnakangas wrote:

> Not the same plugin. A hook for stop/resume would need to be called
> before and/or after each record, the one for conflict resolution would
> need to be called at each conflict. Designing a good interface for a
> plugin is hard, you need at least a couple of samples ideas for plugins
> that would use the hook, before you know the interface is flexible enough.

* current behaviour of max_standby_delay
* pause for X time if conflict, then cancel - which is the suggested
behaviour upthread
* pause-if-conflict, explicit resume needed

Info passed to plugin
* conflict type
* relfilenode
* latestRemovedXid

-- Simon Riggs           www.2ndQuadrant.com