Hi Sawada-San, FYI, the patch 0001 fails to build stand-alone
vacuumlazy.c: In function ‘parallel_heap_vacuum_gather_scan_stats’: vacuumlazy.c:3739:21: error: ‘LVRelScanStats’ has no member named ‘vacuumed_pages’ vacrel->scan_stats->vacuumed_pages += ss->vacuumed_pages; ^ vacuumlazy.c:3739:43: error: ‘LVRelScanStats’ has no member named ‘vacuumed_pages’ vacrel->scan_stats->vacuumed_pages += ss->vacuumed_pages; ^ make[4]: *** [vacuumlazy.o] Error 1 It appears to be using a struct field which is not even introduced until the patch 0004 of the patch set. ====== Kind Regards, Peter Smith. Fujitsu Australia.