调整db内存参数

baseimg/tools/db/my.cnf

@@ -24,11 +24,27 @@ pid-file	= /var/run/mysqld/mysqld.pid
 socket		= /var/run/mysqld/mysqld.sock
 datadir		= /var/lib/mysql
 log-error	= /var/log/mysql/error.log
+
 # Disabling symbolic-links is recommended to prevent assorted security risks
 symbolic-links=0
 
-max_connections = 1000
-
 log-bin=/var/lib/mysql/mysql-bin
-binlog-format=ROW #选择row模式
-server_id=1 #配置mysql replaction需要定义，不能和canal的slaveId重复
\ No newline at end of file
+binlog-format=ROW
+server_id=1
+
+innodb_buffer_pool_size = 512M           
+innodb_buffer_pool_instances = 1         
+bulk_insert_buffer_size = 32M            
+query_cache_type = 0                     
+query_cache_size = 0
+max_connections = 1024                
+max_connect_errors = 10                  
+table_open_cache = 4096                  
+max_allowed_packet = 512M                
+binlog_cache_size = 1M                   
+max_heap_table_size = 64M                
+read_buffer_size = 8M                    
+read_rnd_buffer_size = 16M               
+sort_buffer_size = 32K                   
+join_buffer_size = 32K                   
+thread_cache_size = 64
\ No newline at end of file