พอดีว่าวันก่อนเพิ่มแรมจาก 4GB เป็น เป็น 20GB (8*2) เลยอยากขอคำแนะนำเกี่ยวกับการปรับตั้งค่าใหม่ของ my.cnf ตัวเดิมที่ใช้แรม 4GB หน่อยครับ ว่าปรับอะไรส่วนไหนบ้าง
ใช้ BMSxTraBackupGUI Percona-Server-server-55-5.5.28
[client]
port= 3306
socket= /var/lib/mysql/mysql.sock
default-character-set=tis620
[mysqld]
port= 3306
socket= /var/lib/mysql/mysql.sock
skip-external-locking
default_storage_engine=MyISAM
key_buffer = 395M
max_allowed_packet = 512M
table_cache = 1500
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 1M
myisam_sort_buffer_size = 128M
thread_cache = 8
query_cache_size= 197M
thread_concurrency = 8
character-set-server=tis620
skip-name-resolve
innodb_file_per_table
skip-character-set-client-handshake
init_connect = 'SET NAMES tis620'
max_heap_table_size = 197M
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:100M:autoextend
innodb_log_files_in_group=2
innodb_log_group_home_dir = /var/lib/mysql/
innodb_buffer_pool_size = 1974M
innodb_additional_mem_pool_size = 20M
innodb_thread_concurrency = 0
innodb_log_file_size = 256M
innodb_log_buffer_size = 32M
innodb_flush_log_at_trx_commit = 2
innodb_lock_wait_timeout = 50
innodb_doublewrite=0
innodb_support_xa = 0
innodb_open_files = 3000
innodb_locks_unsafe_for_binlog=1
myisam-recover=FORCE,BACKUP
innodb_file_format = Barracuda
innodb_flush_method=O_DIRECT
join_buffer_size = 2M
concurrent_insert = 2
max_connections=1000
[mysqldump]
quick
max_allowed_packet = 512M
allow-keywords
default-character-set=tis620
[mysql]
no-auto-rehash
default-character-set=tis620
[isamchk]
key_buffer = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout