เป็น workload หลังจากอัพ centos4.8 64 bit mysql 5.1.42-percona xtradb 64 bit
server hp prolain ml530 G3 Intel Xeon E5506 (4 core, 2.13 GHz, 4MB L3, 80W) ram 8 GB hdd 146 G
ไม่ทราบต้องปรับเปลี่ยนคอนฟิกตรงไหนอีกบ้างครับ
my.cnf
[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-character-set=tis620
[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
skip-locking
key_buffer = 512M
max_allowed_packet = 512M
table_open_cache = 1600
sort_buffer_size = 1M
low_priority_updates=1
read_buffer_size = 1M
read_rnd_buffer_size = 1M
myisam_sort_buffer_size = 512M
thread_cache = 8
query_cache_size= 512M
thread_concurrency = 8
default-character-set=tis620
skip-name-resolve
skip-character-set-client-handshake
init_connect = 'SET NAMES tis620'
max_connections = 150
##################InnoDB#######################
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /var/lib/mysql/
innodb_buffer_pool_size = 4500M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 256M
innodb_file_per_table
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_thread_concurrency = 0
innodb_flush_method=O_DIRECT
innodb_checksums=0
innodb_doublewrite=0
innodb_support_xa=0
innodb_max_dirty_pages_pct=15
innodb_open_files = 1600
innodb_locks_unsafe_for_binlog=1
join_buffer_size = 2M
concurrent_insert = 2
max_heap_table_size = 128M
log_bin_trust_function_creators = 1
############# percona ############
innodb_adaptive_checkpoint = 1
innodb_io_capacity = 10000
innodb_write_io_threads = 16
innodb_read_io_threads = 16
[mysqldump]
quick
max_allowed_packet = 512M
allow-keywords
[mysql]
no-auto-rehash
default-character-set=tis620
[isamchk]
key_buffer = 512M
sort_buffer_size = 512M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 512M
sort_buffer_size = 512M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout