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
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/9256822608f3b0636cfd88c3436cdceda7003cf3
Modified Files
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src/backend/access/heap/vacuumlazy.c | 152 ++++++++++++++++++++++-------------
1 file changed, 94 insertions(+), 58 deletions(-)
