PS-10137 [DOC] Component audit_log_filter does not log on replica ser… #580
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…ver in MySQL 8.4.5 On branch ps-10137-8.4 modified: docs/audit-log-filter-restrictions.md
alina-derkach-oaza
approved these changes
Oct 9, 2025
| * Hold the application or user responsible for aggregating all the data from | ||
| each server used in the cluster if used with a cluster. | ||
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| * Each server must have its own audit log filter rules. If you do not set up the rules on the replica server, that server does not record the corresponding entries in the audit log. This design requires that the audit log configuration be performed separately for each server. |
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I would also add
As by default the content of the 'mysql.audit_log_filter' and 'mysql.audit_log_user' tables may be replicated from source to replica and may affect audit log rules created on the replica, it is recommended to configure replication in such a way that the changes in these tables are simply ignored.
Please notice that just changing the content of these table (via replication channel) is not enough to automatically make changes to in-memory data structures in the 'audit_log_filter' component that store information about active audit log filtering rules. However, this may happen after component reloading / server restart or manually calling 'audit_log_filter_flush()'.
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…ver in MySQL 8.4.5
On branch ps-10137-8.4
modified: docs/audit-log-filter-restrictions.md