Use streaming read I/O in VACUUM's first phase
authorMelanie Plageman <melanieplageman@gmail.com>
Fri, 14 Feb 2025 17:56:57 +0000 (12:56 -0500)
committerMelanie Plageman <melanieplageman@gmail.com>
Fri, 14 Feb 2025 17:57:43 +0000 (12:57 -0500)
commit9256822608f3b0636cfd88c3436cdceda7003cf3
treee6f1f6f52d630ad11bedcc31eb0348c0012c8ac2
parent32acad7d1d0a83a1815e15fe28b421d3471ef774
Use streaming read I/O in VACUUM's first phase

Make vacuum's first phase, which prunes and freezes tuples and records
dead TIDs, use the read stream API by by converting
heap_vac_scan_next_block() to a read stream callback.

Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/CAAKRu_aLwANZpxHc0tC-6OT0OQT4TftDGkKAO5yigMUOv_Tcsw%40mail.gmail.com
src/backend/access/heap/vacuumlazy.c