... ไม่ทราบว่าได้กำหนดให้ดึงรายงานจาก slave หรือใช้เครื่อง slave เป็น image server ด้วยหรือเปล่าครับ ..
... ลองใช้การ config MySQL ของเครื่อง slave ตามข้างล่าง แล้วลองทดสอบดูนะครับ ...
...
[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-character-set=tis620
[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
skip-locking
big-tables
default-character-set=tis620
skip-name-resolve
skip-character-set-client-handshake
init_connect = 'SET NAMES tis620'
log_bin_trust_function_creators = 1
max_connection = 1000
concurrent_insert = 2
table_cache = 1700
max_allowed_packet = 160M
max_heap_table_size = 128M
sort_buffer_size = 1M
join_buffer_size = 2M
thread_cache_size = 8
thread_concurrency = 8
query_cache_size = 128M
key_buffer = 320M
read_buffer_size = 1M
read_rnd_buffer_size = 2M
myisam_sort_buffer_size = 128M
innodb_data_home_dir = /var/lib/mysql/
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /var/lib/mysql/
innodb_file_per_table
innodb_buffer_pool_size = 3072M
innodb_additional_mem_pool_size = 24M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_thread_concurrency = 8
innodb_flush_method = O_DIRECT
innodb_flush_log_at_trx_commit = 2
innodb_doublewrite = 0
innodb_support_xa = 0
innodb_open_files = 1000
innodb_locks_unsafe_for_binlog = 1
innodb_lock_wait_timeout = 50
#***percona Extra-DB Only***
innodb_adaptive_checkpoint = 1
innodb_io_capacity = 10000
innodb_write_io_threads = 16
innodb_read_io_threads = 16
#***percona Extra-DB Only***
[mysqldump]
quick
max_allowed_packet = 512M
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 = 256M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
หัวข้อ: ทำไมเครื่อง slave ใช้แรมเยอะ (อ่าน 7236 ครั้ง)