Create ee-override.cnf

Author: dinhngocdung

mariadb/conf/conf.d/ee-override.cnf

@@ -0,0 +1,15 @@
+[mysqld]
+# - Uncontrolled binlog growth can consume excessive disk space
+# - Traditional methods (expire_logs_days, max_binlog_size) only limit:
+#   * Individual file size OR
+#   * Retention period
+#   → No total storage cap
+#
+# binlog_space_limit
+# - Mechanism:
+#   1. Sets hard limit for ALL binlogs combined (bytes)
+#   2. Auto-purges oldest files when limit reached
+#   3. Always retains newest logs for recovery/replication
+
+max_binlog_size = 100M    # Max per-file size (avoids oversized files)
+binlog_space_limit = 2G   # Total storage cap (self-cleaning mechanism)