Re: Page freezing, FSM, and WAL replay

2024-11-08 Thread Kirill Reshke
On Fri, 8 Nov 2024 at 17:11, Alvaro Herrera wrote: > > We recently had a customer report a very strange problem, involving a > very large insert-only table: without explanation, insertions would > stall for several seconds, causing application timeout and process > accumulation and other nastiness

Re: Page freezing, FSM, and WAL replay

2018-08-07 Thread Tom Lane
Michael Paquier writes: > On Tue, Aug 07, 2018 at 12:19:13PM -0400, Alvaro Herrera wrote: >> Now that the minors have been tagged, I'm considering pushing this >> shortly to 9.6 - master. > I may be missing something, but the next round of minor releases is not > tagged yet, and only stamped. So

Re: Page freezing, FSM, and WAL replay

2018-08-07 Thread Michael Paquier
On Tue, Aug 07, 2018 at 12:19:13PM -0400, Alvaro Herrera wrote: > Now that the minors have been tagged, I'm considering pushing this > shortly to 9.6 - master. I may be missing something, but the next round of minor releases is not tagged yet, and only stamped. So I think that you should hold on

Re: Page freezing, FSM, and WAL replay

2018-08-07 Thread Alvaro Herrera
On 2018-Aug-02, Alvaro Herrera wrote: > After considering several possible solutions, I propose to have > heap_xlog_visible compute free space for any page being marked frozen; > Pavan adds to that to have heap_xlog_clean compute free space for all > pages also. This means that if we later promot

Page freezing, FSM, and WAL replay

2018-08-02 Thread Alvaro Herrera
We recently had a customer report a very strange problem, involving a very large insert-only table: without explanation, insertions would stall for several seconds, causing application timeout and process accumulation and other nastiness. After some investigation, we narrowed this down to happenin