This is piece of the setting in my.cnf:
set-variable = innodb_buffer_pool_size=4G
set-variable = innodb_additional_mem_pool_size=20M
set-variable = innodb_flush_log_at_trx_commit=2
set-variable =
innodb_data_file_path=ibdata1:10G;ibdata2:10G;ibdata3:10G;ibdata4:10G:autoextend
key_buffer = 1024M
sort_buffer = 1M
read_buffer = 1M
max_allowed_packet = 1M
thread_stack = 192K
thread_cache_size = 8
max_heap_table_size = 64M
myisam-recover = BACKUP
max_connections = 800
query_cache_limit = 1M
query_cache_size = 16M
the disk:
# fdisk -l
Disk /dev/sda: 598.0 GB, 597998698496 bytes
255 heads, 63 sectors/track, 72702 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0004158f
from iostat -x:
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s
avgrq-sz avgqu-sz await svctm %util
sda 0.79 309.57 31.06 50.98 1306.74 2860.71
50.80 0.29 3.59 0.97 7.93
dm-0 0.00 0.00 0.56 0.42 4.49 3.40
8.00 0.33 338.96 1.14 0.11
The db is still slow. Thanks for the future helps.
