Simon Riggs <si...@2ndquadrant.com> writes: > On 7 September 2016 at 13:47, Fujii Masao <masao.fu...@gmail.com> wrote: >> On Tue, Sep 6, 2016 at 11:41 PM, Simon Riggs <si...@2ndquadrant.com> wrote: >>> lazy_truncate_heap() was waiting for >>> VACUUM_TRUNCATE_LOCK_WAIT_INTERVAL, but in microseconds >>> not milliseconds as originally intended.
>> Don't we need to back-patch this? > If we do then a database-wide VACUUM on a busy database will take > substantially longer than it does now. On the other hand, it's also more likely to successfully perform desired truncations. > That may not be perceived as a "fix" by everybody, so we should not do > it without an explicit agreement by many. Agreed, but I vote with Fujii-san for back-patching. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers