Fine-tuning

- Use healthcheck.sh for docker compose test
- write slow query log to datadir to avoid another volume mount
- use slow query full verbosity
- skip-slave-start option not needed for primary

docker-compose/docker-compose.yaml

@@ -15,11 +15,10 @@ services:
       - MARIADB_AUTO_UPGRADE=1
     network_mode: host
     healthcheck:
-      test: ['CMD', "mariadb-admin", "--password=password", "--protocol", "tcp", "ping"]
+      test: ['CMD', "healthcheck.sh", "--connect", "--innodb_initialized"]
     volumes:
       - ./mariadb:/var/lib/mysql:rw
       - ./mariadb-config/dev/mariadb.cnf:/etc/mysql/conf.d/mariadb.cnf:ro
-      - ./logs/mariadb:/var/log/mysql
     logging:
       driver: journald
       options:

docker-compose/generate-config.py

@@ -41,11 +41,10 @@
       - MARIADB_AUTO_UPGRADE=1
     network_mode: host
     healthcheck:
-      test: ['CMD', "mariadb-admin", "--password=password", "--protocol", "tcp", "ping"]
+      test: ['CMD', "healthcheck.sh", "--connect", "--innodb_initialized"]
     volumes:
       - ./mariadb:/var/lib/mysql:rw
       - ./mariadb-config/{config_path}/mariadb.cnf:/etc/mysql/conf.d/mariadb.cnf:ro
-      - ./logs/mariadb:/var/log/mysql
     logging:
       driver: journald
       options:

docker-compose/mariadb-config/prod/mariadb.cnf

@@ -21,11 +21,10 @@ innodb_log_file_size    = 2G
 # some log option may be ignored.
 # see: https://mariadb.com/kb/en/mysqld-options/#-log-basename
 # log_error = /var/log/mysql/error.log
-slow_query_log
-slow_query_log_file    = /var/log/mysql/mariadb-slow.log
+log_slow_query
+log_slow_query_file    = mariadb-slow.log
 long_query_time        = 2
-log_slow_verbosity     = query_plan,explain
-log_error              = /var/log/mysql/mariadb.err.log
+log_slow_verbosity     = full
 
 # Query cache
 query_cache_size        = 16M
@@ -49,8 +48,6 @@ max_binlog_size = 100M
 binlog_format = MIXED
 # the following permits to simplify the process of moving a replica to a
 # primary node role by ensuring that replication is not started on primary node
-skip-slave-start
-
 
 [mysqldump]
 quick