lazy_vacuum_heap() does not count pages that it skips due to not
obtaining the buffer cleanup lock. vacuum_pinskipped.patch fixes that.
That should be backpatched to 9.5.
vacuum_comment.patch cleans up a comment in lazy_scan_heap().
--
Jim C. Nasby, Data Architect jim@nasby.net
512.569.9461 (cell) http://jim.nasby.net