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| author | Michael Paquier <michael@paquier.xyz> | 2019-01-31 13:06:51 +0900 |
|---|---|---|
| committer | Michael Paquier <michael@paquier.xyz> | 2019-01-31 13:07:56 +0900 |
| commit | 00d1e88d36687ceae1be2317fac90e967941c085 (patch) | |
| tree | 1a3c52aa0db5956a743649108b4361b18ee15368 /src/backend/nodes/nodeFuncs.c | |
| parent | 5f5c01459053c0975b89b5aa1a3d705e677348ae (diff) | |
| download | postgresql-00d1e88d36687ceae1be2317fac90e967941c085.tar.gz postgresql-00d1e88d36687ceae1be2317fac90e967941c085.zip | |
Add --min-xid-age and --min-mxid-age options to vacuumdb
These two new options can be used to improve the selectivity of
relations to vacuum or analyze even further depending on the age of
respectively their transaction ID or multixact ID, so as it is possible
to prioritize tables to prevent wraparound of one or the other.
Combined with --table, it is possible to target a subset of tables to
choose as potential processing targets.
Author: Nathan Bossart
Reviewed-by: Michael Paquier, Masahiko Sawada
Discussion: https://postgr.es/m/FFE5373C-E26A-495B-B5C8-911EC4A41C5E@amazon.com
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