โรงพยาบาลชาติตระการ ขอความเห็น เกี่ยวกับ MySQL หน่อยครับ มันมีช่วงที่กราฟขึ้นสูง ที่มี Client ใช้เยอะ ๆ ประมาณ 40 เครื่อง
Server DEL PowerEdge R710 SATA Harddisk 800G Ram 16 GB
CentOS 6.4 MySQL Percona-XtraDB 5.1.39
HOSxP Version 3.56.3.8 ครับ ขอบคุณครับ
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My.cnf
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[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-character-set=tis620
[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-storage-engine=INNODB
character-set-client = tis620
character-set-server = tis620
big-tables
back_log = 50
open-files-limit = 50000
key_buffer = 1200M
max_allowed_packet = 1024M
max_heap_table_size = 1024M
max_connections=1000
table_cache = 1000
table_open_cache = 1500
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 1M
#myisam_sort_buffer_size = 10-20 % of RAM
myisam_sort_buffer_size = 512M
myisam_max_sort_file_size = 2048M
myisam_max_extra_sort_file_size = 2048M
myisam_repair_threads = 1
myisam_recover
thread_cache_size = 1600
query_cache_type=1
#query_cache_size= 10 % of RAM
query_cache_size= 2G
thread_concurrency = 32
default-character-set=tis620
skip-name-resolve
skip-character-set-client-handshake
skip-locking
init_connect = 'SET NAMES tis620'
join_buffer_size = 4M
concurrent_insert = 2
join_buffer_size = 2M
concurrent_insert = 2
log_bin_trust_function_creators = 1
innodb_file_per_table
innodb_data_home_dir = /var/lib/mysql/
innodb_log_group_home_dir = /var/lib/mysql/
#interactive_timeout = 600
#wait_timeout = 1200
innodb_data_file_path = ibdata1:192M:autoextend
innodb_log_group_home_dir = /var/lib/mysql/
############################# mysql 5.1.X
#innodb_log_arch_dir = /var/lib/mysql/
#############################
#innodb_buffer_pool_size = 40-60 % of RAM
innodb_buffer_pool_size = 12G
innodb_additional_mem_pool_size = 24M
innodb_log_file_size = 1G
innodb_log_buffer_size = 20M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_thread_concurrency = 0
#ulimit -n 30000
innodb_support_xa=0
innodb_open_files = 2000
innodb_locks_unsafe_for_binlog=1
innodb_flush_method=O_DIRECT
innodb_doublewrite=0
innodb_adaptive_checkpoint = 1
innodb_io_capacity = 10000
innodb_write_io_threads = 16
innodb_read_io_threads = 16
[mysqldump]
quick
max_allowed_packet = 1024M
allow-keywords
[mysql]
no-auto-rehash
default-character-set=tis620
[isamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer_size = 402653184
#key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
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หัวข้อ: ขอความช่วยเหลือ MySQL หน่อยครับ กราฟขึ้นเป็นระยะ ๆ (อ่าน 7517 ครั้ง)