由于业务需要在MySQL实例中创建部分库的从库,已有的Mysql实例的版本是mysql-5.5.49,是一个非常老的版本。
本文档涉及到服务器中运行多实例和构建实例中部分库的从库。
1、服务器2上创建3307实例
首先需要准备源码编译包,这个就不在描述了。由于我服务器2上已经存在了一个同样版本的实例,我就直接copy一份,命名为: mysql-5.5.49_3307 ,并做了一个软连接
ln -s mysql-5.5.49_3307 mysql_3307
服务器2的3307实例是从库,my.cnf的配置最好服务器1主库实例的配置相同,注意修改对应server_id
[client]
port = 3307
socket = /tmp/mysql_3307.sock
[mysqld]
port = 3307
socket = /tmp/mysql_3307.sock
datadir = /opt/mysql_3307
tmpdir=/tmp
skip-name-resolve
log_warnings = 2
#skip-grant-tables
big_tables = on
back_log = 600
max_connections = 3000
max_connect_errors = 3000
table_open_cache = 2048
max_allowed_packet = 128M
binlog_cache_size = 4M
max_heap_table_size = 1024M
read_buffer_size = 16M
read_rnd_buffer_size = 16M
sort_buffer_size = 8M
join_buffer_size = 16M
thread_cache_size = 600
thread_concurrency = 16
query_cache_size = 512M
query_cache_limit = 32M
default-storage-engine = MYISAM
#thread_stack = 192K
#transaction_isolation = REPEATABLE READ
tmp_table_size = 1024M
server-id = 10155
log-bin = mysql-bin
binlog_format = mixed
expire_logs_days = 8
replicate_wild_ignore_table = performance_schema.%
replicate_wild_ignore_table = information_schema.%
replicate_wild_ignore_table = mysql.%
replicate_wild_ignore_table = test.%
replicate_wild_ignore_table = tmp.%
#skip-name-resolve
slave_net_timeout = 30
#master-connect-retry = 10
log-slave-updates = 1
slow_query_log = sql-slow.log
long_query_time = 5
slave-skip-errors = 1062,1236
key_buffer_size = 2G
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 4G
myisam_repair_threads = 1
myisam_recover
innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 4G
innodb_data_file_path = ibdata1:256M:autoextend
innodb_write_io_threads = 8
innodb_read_io_threads = 8
innodb_thread_concurrency = 16
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 16M
innodb_log_file_size = 256M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 60
innodb_file_per_table = 1
[mysqldump]
quick
max_allowed_packet = 32M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 512M
read_buffer = 8M
write_buffer = 8M
[mysqlhotcopy]
interactive