[mariadb]
# 기본 설정
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init-connect = 'SET NAMES utf8mb4'

# 메모리 최적화 (개발 환경용)
innodb_buffer_pool_size = 1G
innodb_log_buffer_size = 32M
innodb_log_file_size = 256M
key_buffer_size = 128M
sort_buffer_size = 2M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
thread_cache_size = 25
table_open_cache = 2000

# 연결 설정
max_connections = 100
max_user_connections = 90
wait_timeout = 600
interactive_timeout = 600

# 쿼리 캐시
query_cache_type = 1
query_cache_size = 128M
query_cache_limit = 1M

# InnoDB 최적화
innodb_flush_log_at_trx_commit = 2
innodb_flush_method = O_DIRECT
innodb_file_per_table = 1
innodb_io_capacity = 1000
innodb_io_capacity_max = 2000
innodb_read_io_threads = 2
innodb_write_io_threads = 2

# 시계열 데이터 최적화
innodb_compression_default = ON
innodb_page_compression = ON
innodb_adaptive_hash_index = ON

# 로깅
general_log = OFF
slow_query_log = ON
slow_query_log_file = /var/log/mysql/slow.log
long_query_time = 2

# 바이너리 로그 (백업/복제용)
log_bin = mysql-bin
binlog_format = ROW
expire_logs_days = 7
max_binlog_size = 100M