Noah Misch <n...@leadboat.com> wrote: > I'd say, run them with this patch alone. The important thing is > to not penalize existing COPY users. Incidentally, the "did you > want ... ?" was a genuine question. I see very little performance > risk here, so the tests could be quite cursory, even absent > entirely. In two hours of testing with a 90GB production database, the copy patch on top of HEAD ran 0.6% faster than HEAD for pg_dumpall (generating identical output files), but feeding that in to and empty cluster with psql ran 8.4% faster with the patch than without! I'm going to repeat that latter with more attention to whether everything made it in OK. (That's not as trivial to check as the dump phase.) Do you see any reason that COPY FROM should be significantly *faster* with the patch? Are there any particular things I should be checking for problems? -Kevin
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