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如何确保autovacuum守护程序在我的PostgreSQL Docker容器中运行?_Postgresql_Docker_Vacuum_Autovacuum - Fatal编程技术网

如何确保autovacuum守护程序在我的PostgreSQL Docker容器中运行?

如何确保autovacuum守护程序在我的PostgreSQL Docker容器中运行?,postgresql,docker,vacuum,autovacuum,Postgresql,Docker,Vacuum,Autovacuum,我正在针对碎片问题对Docker容器中运行的数据库进行基准测试,发现autovacuum守护进程没有运行 SELECT schemaname, relname, last_vacuum, last_autovacuum, vacuum_count, autovacuum_count -- not available on 9.0 and earlier FROM pg_stat_user_tables; 给出: | schemaname | relname |

我正在针对碎片问题对Docker容器中运行的数据库进行基准测试,发现autovacuum守护进程没有运行

SELECT
    schemaname, relname,
    last_vacuum, last_autovacuum,
    vacuum_count, autovacuum_count  -- not available on 9.0 and earlier
FROM pg_stat_user_tables;
给出:

| schemaname | relname     |last_vacuum| last_autovacuum |vacuum_count| autovacuum_count |
|------------|-------------|-----------|-----------------|------------| -----------------|
| public     | mt_doc_order|   <null>  |    <null>       |      0     |         0        |
| schemaname | relname | last | u vacuum | last | u autovacuum | vacuum | count | autovacuum ||
|------------|-------------|-----------|-----------------|------------| -----------------|
|公共| mt|u doc|u order | | | 0 | 0|
因此,我遇到了碎片效应:

在启动PostgreSQL Docker容器时,如何确保此autovacuum守护程序正在运行?

运行SQL语句

ALTER SYSTEM SET autovacuum = on;
作为超级用户,然后重新启动PostgreSQL server进程