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feat: tune MariaDB memory usage

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VC
2024-07-05 11:53:42 +02:00
parent f17531e50f
commit d325c1bb03
3 changed files with 9 additions and 3 deletions
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3
host_vars/web3.dmz.mateu.be.yml
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@@ -7,3 +7,6 @@ mariadb_root_pass: !vault |
65343238333661333765636131323962316637613036393366343161343162393337376232633432 65343238333661333765636131323962316637613036393366343161343162393337376232633432
3233653232353534370a393962663766623237313166333638343561306134663062333230333635 3233653232353534370a393962663766623237313166333638343561306134663062333230333635
63343339363833626136646134353365393734346561613262633531386135366634 63343339363833626136646134353365393734346561613262633531386135366634
# 283M of base memory + 20MB/connection -> 1267M of RAM max
mariadb_max_connections: 50

2
roles/mariadb/defaults/main.yml
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@@ -2,3 +2,5 @@
mariadb_backup_hour: 5 mariadb_backup_hour: 5
mariadb_backup_minute: 0 mariadb_backup_minute: 0
mariadb_max_connections: 150

7
roles/mariadb/templates/50-server.cnf.j2
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@@ -33,16 +33,16 @@ bind-address = 127.0.0.1
# #
table_definition_cache = 800 table_definition_cache = 800
join_buffer_size = 512K join_buffer_size = 1M
key_buffer_size = 10M key_buffer_size = 10M
max_connections = {{ mariadb_max_connections }}
#max_allowed_packet = 1G #max_allowed_packet = 1G
#thread_stack = 192K #thread_stack = 192K
#thread_cache_size = 8 #thread_cache_size = 8
# This replaces the startup script and checks MyISAM tables if needed # This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched # the first time they are touched
#myisam_recover_options = BACKUP #myisam_recover_options = BACKUP
#max_connections = 100
#table_cache = 64 #table_cache = 64
# #
@@ -108,7 +108,8 @@ collation-server = utf8mb4_general_ci
# Read the manual for more InnoDB related options. There are many! # Read the manual for more InnoDB related options. There are many!
# Most important is to give InnoDB 80 % of the system RAM for buffer use: # Most important is to give InnoDB 80 % of the system RAM for buffer use:
# https://mariadb.com/kb/en/innodb-system-variables/#innodb_buffer_pool_size # https://mariadb.com/kb/en/innodb-system-variables/#innodb_buffer_pool_size
#innodb_buffer_pool_size = 8G innodb_buffer_pool_size = 256M
innodb_log_file_size = 64M
innodb_file_per_table innodb_file_per_table
innodb_data_file_path=ibdata1:10M:autoextend innodb_data_file_path=ibdata1:10M:autoextend