มี lock transaction จำนวนมากครับ ทำให้เกิด table lock ควรปรับค่าใน my.cnf ให้เหมาะสมครับ
เอาแล้วไงครับ....ตรงไหนน้อ ################## Star MySQL-Config #####################
[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
skip-federated
big-tables
character-set-server=tis620
key_buffer = 3611M
max_allowed_packet = 1024M
table_open_cache = 2048
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 1M
myisam_sort_buffer_size = 256M
thread_cache_size = 8
query_cache_size= 1805M
query_cache_type=2
thread_concurrency = 8
low_priority_updates=1
skip-name-resolve
skip-character-set-client-handshake
init_connect = 'SET NAMES tis620'
max_connections = 1000
################## InnoDB #######################
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:100M:autoextend
innodb_log_group_home_dir = /var/lib/mysql/
innodb_buffer_pool_size = 18054M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 512M
innodb_file_format = barracuda
innodb_flush_log_at_trx_commit=1
innodb_file_per_table
innodb_log_buffer_size = 32M
innodb_log_files_in_group = 2
innodb_lock_wait_timeout = 50
innodb_thread_concurrency = 8
innodb_flush_method=O_DIRECT
innodb_checksums=0
innodb_doublewrite=0
innodb_support_xa=0
innodb_max_dirty_pages_pct=90
innodb_open_files = 3000
innodb_locks_unsafe_for_binlog=1
join_buffer_size = 2M
concurrent_insert = 2
max_heap_table_size = 1805M
############# Percona XtraDB ############
innodb_io_capacity = 1000
innodb_write_io_threads = 8
innodb_read_io_threads = 8
[mysqldump]
quick
max_allowed_packet = 1024M
allow-keywords
[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
[mysqld_safe]
open-files-limit = 50000
################# End MySQL-Config #################