fix(openmetadata): relocate MySQL datadir to 32GB data disk

The OM MySQL datadir was bind-mounted on the 448MB /opt partition and kept
filling up. Moved db-data to /var/lib/docker/openmetadata-db-data (32GB, ~31GB
free) and kept binlog disabled + redo log capped. /opt back to 7% used.

deploy/openmetadata/docker-compose.yml

@@ -19,7 +19,7 @@ services:
   mysql:
     container_name: openmetadata_mysql
     image: docker.getcollate.io/openmetadata/db:1.13.0
-    command: "--sort_buffer_size=10M"
+    command: "--sort_buffer_size=10M --skip-log-bin --innodb-redo-log-capacity=50331648"
     restart: always
     environment:
       MYSQL_ROOT_PASSWORD: password
@@ -28,7 +28,9 @@ services:
     ports:
       - "3306:3306"
     volumes:
-     - ./docker-volume/db-data:/var/lib/mysql
+     # DB datadir relocated off the tiny 448MB /opt partition onto the 32GB
+     # data disk (/var/lib/docker) so the OpenMetadata catalog can grow freely.
+     - /var/lib/docker/openmetadata-db-data:/var/lib/mysql
     networks:
       - app_net
     healthcheck: