Re: A 2 phase commit weirdness

Heikki Linnakangas <hlinnaka(at)iki(dot)fi> writes:
> Looking at the sequence, at least the relcache init file stuff looks if
> not broken at least a bit heavy-handed...

I was planning to change that ;-) ... using separate 2PC action records
for the relcache init file actions would make it much better.

> Now consider this scenario:

> backend A: Do updates that cause an init file invalidation
> backend A: Commit begins
> backend A: unlink init file
> backend B starts and recreates init file
> backend A: send inval message
> backend C starts and reads the now stale init file

No problem, because C will receive A's inval messages after that.

regards, tom lane