Re: Remaining 9.5 open items

On 2015-12-02 12:25:37 +0100, Joel Jacobson wrote:
> On Wed, Dec 2, 2015 at 12:19 PM, Andres Freund <andres@anarazel.de> wrote:
> > The significant changes are in 9.5.
>
> Will multixact truncations be WAL logged in 9.5?

Yes.

C.f. the release notes:

* Rework truncation of the multixact commit log to be properly WAL-logged (Andres Freund)
 This makes things substantially simpler and more robust.

The relevant commits are

commit aa29c1ccd9f785f9365809f5133e5491acc7ae53
Author: Andres Freund <andres@anarazel.de>
Date:   2015-09-26 19:04:25 +0200
   Remove legacy multixact truncation support.   ...
       Backpatch: 9.5

and
commit 4f627f897367f15702d59973f75f6391d5d3e06f
Author: Andres Freund <andres@anarazel.de>
Date:   2015-09-26 19:04:25 +0200
   Rework the way multixact truncations work.   ...
       Backpatch: 9.5