On 2016-05-02 09:03:19 -0400, Robert Haas wrote: > On Fri, Apr 29, 2016 at 6:08 PM, Kevin Grittner <kgri...@gmail.com> wrote: > > Now to continue with the performance benchmarks. I'm pretty sure > > we've fixed the problems when the feature is disabled > > (old_snapshot_threshold = -1), and there are several suggestions > > for improving performance while it is on that need to be compared > > and benchmarked. > > If anyone thinks that the issue with the feature disabled is NOT > fixed, please speak up! I'm moving the corresponding open item to > CLOSE_WAIT status, meaning that it will be closed if nobody shows up > to say that there is still an issue.
Well, I don't agree that the feature is in a releaseable state. The datastructure is pretty much non-scalable, and maintained on the wrong side (every read, instead of once in writing writing xacts). There's no proposal actually addressing the scalability issues. Andres -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers