On Sat, Feb 25, 2017 at 3:40 AM, Peter Geoghegan <p...@bowt.ie> wrote: > On Fri, Feb 24, 2017 at 9:26 AM, Robert Haas <robertmh...@gmail.com> wrote: >> I think this thread is pretty short on evidence that would let us make >> a smart decision about what to do here. I see three possibilities. >> The first is that this patch is a good idea whether we do something >> about the issue of half-dead pages or not. The second is that this >> patch is a good idea if we do something about the issue of half-dead >> pages but a bad idea if we don't. The third is that this patch is a >> bad idea whether or not we do anything about the issue of half-dead >> pages. >
+1. I think we can track the stats from IndexBulkDeleteResult->pages_free to see the impact of the patch. > Half-dead pages are not really relevant to this discussion, AFAICT. I > think that both you and Simon mean "recyclable" pages. > Yes, I think so and I think that is just confusion about terminology. -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
