Re: Summary and Plan for Hot Standby

Simon Riggs wrote:
> 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.

That can be before the cleanup record we write before we start the index
vacuum.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com