อ.ครับ ขอ my.cnf ของ แรม 20G ได้ไหมครับ
ผมลงกับ server ใหม่ เป็นของ IBM 3650M3 ครับ
CentOS 6 64bit
mysql เป็น
Percona-Server-client-51-5.1.59-rel13.0.325.rhel6.x86_64.rpm
Percona-Server-shared-51-5.1.59-rel13.0.325.rhel6.x86_64.rpm
Percona-Server-server-51-5.1.59-rel13.0.325.rhel6.x86_64.rpm
มี user ประมาณ 200 ครับ
switch 20 ตัวครับ
ตอนนี้config ของผมเป็นแบบนี้ครับ
[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-character-set=tis620
[mysqld]
default-storage-engine=INNODB
character-set-client = tis620
character-set-server = tis620
collation-server = tis620_thai_ci
init_connect = 'SET collation_connection=tis620_thai_ci'
init_connect = 'SET NAMES tis620'
#default_table_type = INNODB
#thread_concurrency = 32
#default-character-set=tis620
#table_cache = 2000
#skip-locking
external-locking
skip-external-locking
skip-name-resolve
#myisam_max_extra_sort_file_size = 10G
#log_long_format
#skip-character-set-client-handshake
character-set-client-handshake
port = 3306
socket = /var/lib/mysql/mysql.sock
big-tables
back_log = 50
key_buffer = 512M
max_allowed_packet = 1024M
binlog_cache_size = 1M
sort_buffer_size = 4M
read_buffer_size = 4M
read_rnd_buffer_size = 4M
join_buffer_size = 8M
bulk_insert_buffer_size = 40M
max_heap_table_size = 3000M
myisam_sort_buffer_size = 1024M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
myisam_recover
thread_cache_size = 1600
query_cache_size= 2048M
thread_cache_size = 32
max_connections = 200
max_connect_errors = 10
ft_min_word_len = 4
thread_stack = 512K
transaction_isolation = REPEATABLE-READ
tmp_table_size = 80M
log-bin=mysql-bin
log_bin_trust_function_creators = 1
binlog_format=mixed
slow_query_log
long_query_time = 2
concurrent_insert = 2
innodb_file_per_table = 1
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:192M:autoextend
innodb_max_dirty_pages_pct = 90
innodb_buffer_pool_size = 8G
innodb_additional_mem_pool_size = 48M
innodb_log_files_in_group = 3
innodb_log_group_home_dir = /var/lib/mysql/
innodb_log_file_size = 1G
innodb_log_buffer_size = 512M
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 1
innodb_fast_shutdown = 0
innodb_flush_method = O_DIRECT
innodb_doublewrite = 1
innodb_file_io_threads = 4
innodb_lock_wait_timeout = 10
innodb_support_xa = 1
innodb_locks_unsafe_for_binlog = 1
innodb_checksums = 0
table_open_cache = 8K
low_priority_updates = 1
#innodb_file_format = barracuda
#innodb_strict_mode = 1
#Percona-Server
#innodb_adaptive_checkpoint = 1
innodb_io_capacity = 10000
innodb_write_io_threads = 16
innodb_read_io_threads = 16
[mysqldump]
quick
max_allowed_packet = 2048M
allow-keywords
[mysql]
no-auto-rehash
default-character-set=tis620
[isamchk]
key_buffer = 2G
sort_buffer_size = 2G
read_buffer = 8M
write_buffer = 8M
[myisamchk]
key_buffer = 3G
sort_buffer_size = 2G
read_buffer = 8M
write_buffer = 8M
[mysqlhotcopy]
interactive-timeout
[mysqld_safe]
open-files-limit = 8192
รบกวนด้วยครับ