Initial commit

mariadb/70-simplehost.cnf

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+[mariadb]
+# InnoDB basics
+innodb_file_per_table=1
+innodb_thread_concurrency=0
+innodb_strict_mode=1
+
+# Memory (fit into a 4GB container safely)
+innodb_buffer_pool_size=2G
+innodb_buffer_pool_instances=2
+
+# Redo / durability
+innodb_log_file_size=512M
+innodb_log_buffer_size=64M
+innodb_flush_log_at_trx_commit=2
+innodb_flush_method=O_DIRECT
+innodb_log_write_ahead_size=128K
+
+# Disable query cache (WP usually worse with it)
+query_cache_type=0
+query_cache_size=0
+
+# Temp tables
+tmp_table_size=64M
+max_heap_table_size=64M
+
+# Connections / packets
+max_connections=150
+max_allowed_packet=128M
+
+# Per-connection buffers (avoid RAM spikes)
+sort_buffer_size=2M
+join_buffer_size=2M
+innodb_sort_buffer_size=2M
+
+# Container/network sanity
+skip-name-resolve
+thread_cache_size=100
+
+# Your existing choices
+performance-schema=0
+sql-mode="NO_ENGINE_SUBSTITUTION"
+disable_log_bin
+local-infile=0

mariadb/70-simplehost.cnf-old

@@ -0,0 +1,61 @@
+
+
+[mariadb]
+innodb_flush_log_at_trx_commit=2
+innodb_file_per_table=1
+innodb_thread_concurrency=0
+innodb_buffer_pool_size=4G
+innodb_buffer_pool_instances=4
+#innodb_buffer_pool_instances=8
+innodb_log_file_size=1G
+#innodb_log_file_size=256M
+
+
+innodb_strict_mode = 0
+
+query_cache_type=0
+#query_cache_limit=2M
+query_cache_size=0
+#query_cache_min_res_unit=128
+
+#query_cache_type=1
+#query_cache_limit=2M
+#query_cache_size=96M
+#query_cache_min_res_unit=128
+
+max_heap_table_size=64M
+tmp_table_size=64M
+
+
+performance-schema=0
+
+sql-mode="NO_ENGINE_SUBSTITUTION"
+
+
+
+# added on 29.Oct.2022
+# especially for MySQL 8.0
+#innodb_redo_log_capacity=512M # only if you have MySQL 8.0.30+
+innodb_log_buffer_size=64M
+#innodb_log_buffer_size=512M
+innodb_log_write_ahead_size=128K
+disable_log_bin
+
+local-infile=1
+
+max_connections=150
+max_allowed_packet=128M
+
+sort_buffer_size=2M
+innodb_sort_buffer_size=2M
+
+#sort_buffer_size=4M
+#innodb_sort_buffer_size=2M
+
+#innodb_force_recovery=5
+
+skip-name-resolve
+innodb_flush_method=O_DIRECT
+thread_cache_size=100
+table_open_cache=4000
+

mariadb/Dockerfile

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+FROM mariadb
+ADD 70-simplehost.cnf /etc/mysql/mariadb.conf.d
+