2016년 9월 21일 – 지엘디지털

MySQL over 8G Ram

MySQLBy 관리자 2016년 9월 21일 Leave a comment

8기가 램에 설정파일 스크랩 합니다. MySQL config 5.0.x, 5.1.x, 5.5.x Connections : 1000

[mysqld_safe]
nice 				= -15

[client]
socket 				= /var/lib/mysql/mysql.sock
default-character-set 		= utf8

[mysqld]
## Charset and Collation
character-set-server 		= utf8
collation-server 		= utf8_general_ci

## Files
back_log 			= 300
open-files-limit 		= 8192
open-files 			= 1024	
port 				= 3306
socket 				= /var/lib/mysql/mysql.sock
pid-file 			= /var/lib/mysql/mysql.pid
skip-external-locking
skip-name-resolve

## Logging
datadir				= /var/lib/mysql
relay_log			= mysql-relay-bin
relay_log_index			= mysql-relay-index
#log				= mysql-gen.log	
log_error			= mysql-error.err
log_warnings
log_bin				= mysql-bin
log_slow_queries		= mysql-slow.log
#log_queries_not_using_indexes
long_query_time 		= 10	#default: 10
max_binlog_size 		= 256M	#max size for binlog before rolling
expire_logs_days 		= 4	#binlog files older than this will be purged

## Per-Thread Buffers * (max_connections) = total per-thread mem usage
thread_stack 			= 256K	  #default: 32bit: 192K, 64bit: 256K
sort_buffer_size 		= 512K	  #default: 2M, larger may cause perf issues
read_buffer_size 		= 512K	  #default: 128K, change in increments of 4K
read_rnd_buffer_size 		= 512K	  #default: 256K				
join_buffer_size 		= 512K	  #default: 128K
binlog_cache_size 		= 64K	  #default: 32K, size of buffer to hold TX queries
## total per-thread buffer memory usage: 4736000K = 4.625GB

## Query Cache
query_cache_size 		= 32M	#global buffer
query_cache_limit 		= 512K	#max query result size to put in cache

## Connections
max_connections 		= 2000	#multiplier for memory usage via per-thread buffers
max_connect_errors 		= 100	#default: 10
concurrent_insert		= 2	#default: 1, 2: enable insert for all instances
connect_timeout			= 30	#default -5.1.22: 5, +5.1.22: 10
max_allowed_packet 		= 32M	#max size of incoming data to allow

## Default Table Settings
sql_mode 			= NO_AUTO_CREATE_USER

## Table and TMP settings
max_heap_table_size 		= 1G	#recommend same size as tmp_table_size
bulk_insert_buffer_size 	= 1G	#recommend same size as tmp_table_size
tmp_table_size                  = 1G    #recommend 1G min
#tmpdir                         = /data/mysql-tmp0:/data/mysql-tmp1 #Recommend using RAMDISK for tmpdir

## Table cache settings
#table_cache 			= 512	#5.0.x
#table_open_cache		= 512	#5.1.x, 5.5.x

## Thread settings
thread_concurrency		= 16  #recommend 2x CPU cores
thread_cache_size		= 100 #recommend 5% of max_connections

## Replication
#read_only
#skip-slave-start		
#slave-skip-errors		= <default: none, recommend:1062>
#slave-net-timeout		= <default: 3600>
#slave-load-tmpdir		= <location of slave tmpdir>
#slave_transaction_retries	= <default: 10>
#server-id                      =
#replicate-same-server-id       =  
#auto-increment-increment       =
#auto-increment-offset          =
#master-connect-retry           =
#log-slave-updates		= <default: 0 disable>
#report-host			= <master_server_ip>
#report-user			= <replication_user>
#report-password                =
#report-port			= <default: 3306>
#replicate-do-db            	=
#replicate-ignore-db		=
#replicate-do-table		= 
#relicate-ignore-table		=
#replicate-rewrite-db		=
#replicate-wild-do-table	=
#replicate-wild-ignore-table	=

## Replication Semi-Synchronous 5.5.x only, requires dynamic plugin loading ability 
#rpl_semi_sync_master_enabled	= 1 #enable = 1, disable = 0
#rpl_semi_sync_master_timeout	= 1000 #in milliseconds , master only setting

## 5.1.x and 5.5.x replication related setting. 
#binlog_format			= MIXED

## MyISAM Engine
key_buffer			= 512K	#global buffer
myisam_sort_buffer_size		= 128M	#index buffer size for creating/altering indexes
myisam_max_sort_file_size	= 256M	#max file size for tmp table when creating/alering indexes
myisam_repair_threads		= 4	#thread quantity when running repairs
myisam_recover			= BACKUP	#repair mode, recommend BACKUP 

## InnoDB Plugin Dependent Settings
#ignore-builtin-innodb
#plugin-load=innodb=ha_innodb_plugin.so;innodb_trx=ha_innodb_plugin.so;innodb_locks=ha_innodb_plugin.so;innodb_cmp=ha_innodb_plugin.so;innodb_cmp_reset=ha_innodb_plugin.so;innodb_cmpmem=ha_innodb_plugin.so;innodb_cmpmem_reset=ha_innodb_plugin.so;innodb_lock_waits=ha_innodb_plugin.so

## InnoDB IO Capacity - 5.1.x plugin, 5.5.x
#innodb_io_capacity		= 200

## InnoDB IO settings -  5.1.x only
#innodb_file_io_threads		= 16

## InnoDB IO settings -  5.5.x and greater
#innodb_write_io_threads 	= 16
#innodb_read_io_threads		= 16

## InnoDB Plugin Independent Settings
innodb_data_home_dir            = /var/lib/mysql
innodb_data_file_path		= ibdata1:128M;ibdata2:10M:autoextend
innodb_log_file_size		= 256M	#64G_RAM+ = 768, 24G_RAM+ = 512, 8G_RAM+ = 256, 2G_RAM+ = 128 
innodb_log_files_in_group	= 4	#combined size of all logs <4GB. <2G_RAM = 2, >2G_RAM = 4
innodb_buffer_pool_size		= 4G 	#global buffer
innodb_additional_mem_pool_size	= 4M	#global buffer
innodb_status_file		  	#extra reporting
innodb_file_per_table			#enable always
innodb_flush_log_at_trx_commit	= 2	#2/0 = perf, 1 = ACID
innodb_table_locks		= 0	#preserve table locks
innodb_log_buffer_size 		= 128M 	#global buffer
innodb_lock_wait_timeout 	= 60	
innodb_thread_concurrency	= 16	#recommend 2x core quantity
innodb_commit_concurrency	= 16	#recommend 4x num disks
#innodb_flush_method		= O_DIRECT	   #O_DIRECT = local/DAS, O_DSYNC = SAN/iSCSI
innodb_support_xa		= 0		   #recommend 0, disable xa to negate extra disk flush
skip-innodb-doublewrite

## Binlog sync settings
## XA transactions = 1, otherwise set to 0 for best performance
sync_binlog			= 0

## TX Isolation
transaction-isolation		= REPEATABLE-READ #REPEATABLE-READ req for ACID, SERIALIZABLE req XA

## Per-Thread Buffer memory utilization equation:
#(read_buffer_size + read_rnd_buffer_size + sort_buffer_size + thread_stack + join_buffer_size + binlog_cache_size) * max_connections

## Global Buffer memory utilization equation:
# innodb_buffer_pool_size + innodb_additional_mem_pool_size + innodb_log_buffer_size + key_buffer_size + query_cache_size

[mysqldump]
quick
quote-names
max_allowed_packet 		= 128M

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[mysqld_safe]

nice = -15

[client]

socket = /var/lib/mysql/mysql.sock

default-character-set = utf8

[mysqld]

## Charset and Collation

character-set-server = utf8

collation-server = utf8_general_ci

## Files

back_log = 300

open-files-limit = 8192

open-files = 1024

port = 3306

socket = /var/lib/mysql/mysql.sock

pid-file = /var/lib/mysql/mysql.pid

skip-external-locking

skip-name-resolve

## Logging

datadir = /var/lib/mysql

relay_log = mysql-relay-bin

relay_log_index = mysql-relay-index

#log = mysql-gen.log

log_error = mysql-error.err

log_warnings

log_bin = mysql-bin

log_slow_queries = mysql-slow.log

#log_queries_not_using_indexes

long_query_time = 10 #default: 10

max_binlog_size = 256M #max size for binlog before rolling

expire_logs_days = 4 #binlog files older than this will be purged

## Per-Thread Buffers * (max_connections) = total per-thread mem usage

thread_stack = 256K #default: 32bit: 192K, 64bit: 256K

sort_buffer_size = 512K #default: 2M, larger may cause perf issues

read_buffer_size = 512K #default: 128K, change in increments of 4K

read_rnd_buffer_size = 512K #default: 256K

join_buffer_size = 512K #default: 128K

binlog_cache_size = 64K #default: 32K, size of buffer to hold TX queries

## total per-thread buffer memory usage: 4736000K = 4.625GB

## Query Cache

query_cache_size = 32M #global buffer

query_cache_limit = 512K #max query result size to put in cache

## Connections

max_connections = 2000 #multiplier for memory usage via per-thread buffers

max_connect_errors = 100 #default: 10

concurrent_insert = 2 #default: 1, 2: enable insert for all instances

connect_timeout = 30 #default -5.1.22: 5, +5.1.22: 10

max_allowed_packet = 32M #max size of incoming data to allow

## Default Table Settings

sql_mode = NO_AUTO_CREATE_USER

## Table and TMP settings

max_heap_table_size = 1G #recommend same size as tmp_table_size

bulk_insert_buffer_size = 1G #recommend same size as tmp_table_size

tmp_table_size = 1G #recommend 1G min

#tmpdir = /data/mysql-tmp0:/data/mysql-tmp1 #Recommend using RAMDISK for tmpdir

## Table cache settings

#table_cache = 512 #5.0.x

#table_open_cache = 512 #5.1.x, 5.5.x

## Thread settings

thread_concurrency = 16 #recommend 2x CPU cores

thread_cache_size = 100 #recommend 5% of max_connections

## Replication

#read_only

#skip-slave-start

#slave-skip-errors = <default: none, recommend:1062>

#slave-net-timeout = <default: 3600>

#slave-load-tmpdir = <location of slave tmpdir>

#slave_transaction_retries = <default: 10>

#server-id =

#replicate-same-server-id =

#auto-increment-increment =

#auto-increment-offset =

#master-connect-retry =

#log-slave-updates = <default: 0 disable>

#report-host = <master_server_ip>

#report-user = <replication_user>

#report-password =

#report-port = <default: 3306>

#replicate-do-db =

#replicate-ignore-db =

#replicate-do-table =

#relicate-ignore-table =

#replicate-rewrite-db =

#replicate-wild-do-table =

#replicate-wild-ignore-table =

## Replication Semi-Synchronous 5.5.x only, requires dynamic plugin loading ability

#rpl_semi_sync_master_enabled = 1 #enable = 1, disable = 0

#rpl_semi_sync_master_timeout = 1000 #in milliseconds , master only setting

## 5.1.x and 5.5.x replication related setting.

#binlog_format = MIXED

## MyISAM Engine

key_buffer = 512K #global buffer

myisam_sort_buffer_size = 128M #index buffer size for creating/altering indexes

myisam_max_sort_file_size = 256M #max file size for tmp table when creating/alering indexes

myisam_repair_threads = 4 #thread quantity when running repairs

myisam_recover = BACKUP #repair mode, recommend BACKUP

## InnoDB Plugin Dependent Settings

#ignore-builtin-innodb

#plugin-load=innodb=ha_innodb_plugin.so;innodb_trx=ha_innodb_plugin.so;innodb_locks=ha_innodb_plugin.so;innodb_cmp=ha_innodb_plugin.so;innodb_cmp_reset=ha_innodb_plugin.so;innodb_cmpmem=ha_innodb_plugin.so;innodb_cmpmem_reset=ha_innodb_plugin.so;innodb_lock_waits=ha_innodb_plugin.so

## InnoDB IO Capacity - 5.1.x plugin, 5.5.x

#innodb_io_capacity = 200

## InnoDB IO settings - 5.1.x only

#innodb_file_io_threads = 16

## InnoDB IO settings - 5.5.x and greater

#innodb_write_io_threads = 16

#innodb_read_io_threads = 16

## InnoDB Plugin Independent Settings

innodb_data_home_dir = /var/lib/mysql

innodb_data_file_path = ibdata1:128M;ibdata2:10M:autoextend

innodb_log_file_size = 256M #64G_RAM+ = 768, 24G_RAM+ = 512, 8G_RAM+ = 256, 2G_RAM+ = 128

innodb_log_files_in_group = 4 #combined size of all logs <4GB. <2G_RAM = 2, >2G_RAM = 4

innodb_buffer_pool_size = 4G #global buffer

innodb_additional_mem_pool_size = 4M #global buffer

innodb_status_file #extra reporting

innodb_file_per_table #enable always

innodb_flush_log_at_trx_commit = 2 #2/0 = perf, 1 = ACID

innodb_table_locks = 0 #preserve table locks

innodb_log_buffer_size = 128M #global buffer

innodb_lock_wait_timeout = 60

innodb_thread_concurrency = 16 #recommend 2x core quantity

innodb_commit_concurrency = 16 #recommend 4x num disks

#innodb_flush_method = O_DIRECT #O_DIRECT = local/DAS, O_DSYNC = SAN/iSCSI

innodb_support_xa = 0 #recommend 0, disable xa to negate extra disk flush

skip-innodb-doublewrite

## Binlog sync settings

## XA transactions = 1, otherwise set to 0 for best performance

sync_binlog = 0

## TX Isolation

transaction-isolation = REPEATABLE-READ #REPEATABLE-READ req for ACID, SERIALIZABLE req XA

## Per-Thread Buffer memory utilization equation:

#(read_buffer_size + read_rnd_buffer_size + sort_buffer_size + thread_stack + join_buffer_size + binlog_cache_size) * max_connections

## Global Buffer memory utilization equation:

# innodb_buffer_pool_size + innodb_additional_mem_pool_size + innodb_log_buffer_size + key_buffer_size + query_cache_size

[mysqldump]

quick

quote-names

max_allowed_packet = 128M

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MySQL over 8G Ram

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