Re: Summary and Plan for Hot Standby

On Sun, 2009-11-15 at 20:30 +0200, Heikki Linnakangas wrote:

> The LSN doesn't help there, because when an itemid is marked as dead,
> the LSN is not updated.

I was thinking we could update the index block LSN without writing WAL
using the LSN of the heap block that leads to the killed tuple.
Pretending that the block might need flushing won't do much harm. 

-- Simon Riggs           www.2ndQuadrant.com