| From: | Thomas Munro <tmunro(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Use streaming I/O in ANALYZE. |
| Date: | 2024-04-08 01:20:20 |
| Message-ID: | E1rtdgJ-00135G-L1@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
Use streaming I/O in ANALYZE.
The ANALYZE command prefetches and reads sample blocks chosen by a
BlockSampler algorithm. Instead of calling [Prefetch|Read]Buffer() for
each block, ANALYZE now uses the streaming API introduced in b5a9b18cd0.
Author: Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>
Reviewed-by: Melanie Plageman <melanieplageman(at)gmail(dot)com>
Reviewed-by: Andres Freund <andres(at)anarazel(dot)de>
Reviewed-by: Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>
Reviewed-by: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Reviewed-by: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Discussion: https://postgr.es/m/flat/CAN55FZ0UhXqk9v3y-zW_fp4-WCp43V8y0A72xPmLkOM%2B6M%2BmJg%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/041b96802efa33d2bc9456f2ad946976b92b5ae1
Modified Files
--------------
src/backend/access/heap/heapam_handler.c | 29 ++++++-----
src/backend/commands/analyze.c | 85 ++++++++++----------------------
src/include/access/heapam.h | 5 +-
3 files changed, 43 insertions(+), 76 deletions(-)
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