Mysql 5.5 replication多数据库主从备份Master-Slave配置总结(二)
e = 32M
thread_cache_size = 16
query_cache_limit = 2M
transaction_isolation = REPEATABLE-READ
log-bin=mysql-bin
auto_increment_increment = 2
auto_increment_offset = 1
server-id = 1
binlog-do-db = ADB
binlog-do-db = BDB
log_slave_updates = 1
relay-log=RELAY_LOCALHOST-relay-bin
innodb_data_home_dir = /spare/mysql/
innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend
innodb_log_group_home_dir = /spare/mysql/
innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 8G
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 8M
innodb_log_file_size = 250M
max_binlog_size=100M
expire_logs_days=3
sync_binlog=1 #Ensure all writes to binary are flushed to disk in a timely manner
binlog-format=ROW
[mysqldump]
quick
max_allowed_packet = 256M
[mysql]
no-auto-rehash
[isamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
slave my.cnf配置
[plain]
[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
skip-external-locking
key_buffer = 384M
max_allowed_packet = 32M
table_open_cache = 5120
key_buffer_size = 64M
sort_buffer_size = 512M
net_buffer_length = 8K
read_buffer_size = 16M
read_rnd_buffer_size = 128M
myisam_sort_buffer_size = 128M
query_cache_size = 256M
tmp_table_size = 128M
max_heap_table_size = 128M
thread_concurrency = 8
max_connections=500
group_concat_max_len=1048576
max_sp_recursion_depth=255
slow_query_log_file=/spare/mysql/slow_queries.log
long_query_time = 5
binlog_cache_size = 2M
join_buffer_size = 32M
thread_cache_size = 16
query_cache_limit = 2M
transaction_isolation = REPEATABLE-READ
log-bin=mysql-bin
auto_increment_increment = 2
auto_increment_offset = 1 # the slave offset keep same as master
server-id = 2
replicate-do-db = ADB
replicate-do-db = BDB
log_slave_updates = 1
relay-log=RELAY_LOCALHOST-relay-bin
innodb_data_home_dir = /spare/mysql/
innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend
innodb_log_group_home_dir = /spare/mysql/
innodb_additional_mem_pool_size = 16M
innodb_autoextend_increment = 256M
innodb_buffer_pool_size = 8G
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 8M
####innodb_log_buffer_size = 32M
innodb_log_file_size = 250M
max_binlog_size=100M
expire_logs_days=3
sync_binlog=1 #Ensure all writes to binary are flushed to disk in a timely manner
binlog-format=ROW
[mysqldump]
quick
max_allowed_packet = 256M
[mysql]
no-auto-rehash
[isamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout