Re: Protect syscache from bloating with negative cache entries

2019-02-06 Thread Kyotaro HORIGUCHI
At Tue, 5 Feb 2019 19:05:26 -0300, Alvaro Herrera wrote in <20190205220526.GA1442@alvherre.pgsql> > On 2019-Feb-05, Tomas Vondra wrote: > > > I don't think we need to remove the expired entries right away, if there > > are only very few of them. The cleanup requires walking the hash table, > > w

Re: [HACKERS] PATCH: multivariate histograms and MCV lists

2019-02-06 Thread Dean Rasheed
On Wed, 6 Feb 2019 at 23:44, Tomas Vondra wrote: > > On 2/6/19 10:59 PM, David Rowley wrote: > > On Thu, 7 Feb 2019 at 03:16, Alvaro Herrera > > wrote: > >> I wonder what should we be doing with this series -- concretely, should > >> the effort concentrate on one of the two patches, and leave th

Re: Connection slots reserved for replication

2019-02-06 Thread Michael Paquier
On Sat, Feb 02, 2019 at 10:35:20AM +0900, Michael Paquier wrote: > Oh, I have just noticed this patch when doing my vacuum homework. I > have just added my name as committer, just wait a bit until the CF is > closed before I begin looking at it.. So, I have looked at this thread and the latest pa

Re: Allow some recovery parameters to be changed with reload

2019-02-06 Thread Peter Eisentraut
On 05/02/2019 04:35, Michael Paquier wrote: > On Mon, Feb 04, 2019 at 11:58:28AM +0100, Peter Eisentraut wrote: >> I think the recovery parameters >> >> archive_cleanup_command > > Only triggered by the checkpointer. > >> promote_trigger_file >> recovery_end_command >> recovery_mi

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