从字面意思上也很好理解,读写分离就是我们刚才提到的,Master专门负责写入数据(一般是添加、修改、删除等操作),而Slave专门负责读取数据。 所谓容灾恢复,就是当灾难发生,比如说当机器出现宕机、停电等一些无法预知的问题发生时,通过我们上节学到的Redis持久化方案,来实现数据的恢复。 主从分离 那说了这么多,咱们直接来...
"log-driver": "json-file", "log-opts": { "max-size": "200m" }, "storage-driver": "overlay2" } EOF [root@master1 ~]#systemctl daemon-reload [root@master1 ~]#systemctl start docker.service [root@master1 ~]#systemctl enable docker.service 1. 2. 3. 4. 5. 6. 7. 8. 9. ...
mysql>showmasterstatus;+---+---+---+---+---+|File|Position|Binlog_Do_DB|Binlog_Ignore_DB|Executed_Gtid_Set|+---+---+---+---+---+|1.000031|194|||c899d55b-6c72-11ed-8072-000c297b6
CHANGE MASTER TO MASTER_LOG_FILE='mysqlcncnmaster.000080', MASTER_LOG_POS=0;SLAVE START;此时Slave_IO_Running恢复为Yes,同步进行了!观察了会儿,没有任何出错迹象,问题解决.另外,出现Slave_IO_Running:NO还有一个原因是slave上没有权限读master上的数据. 您可能感兴趣的文章:mysql主从同步复制错误...
log file 不设或者设置错误,rsync 会使用 rsyslog 输出相关日志信息 ignore errors 忽略I/O 错误 read only=false 指定客户端是否可以上传文件,默认对所有模块为 true list=false 是否允许客户端可以查看可用模块列表,默认为可以 hosts allow 指定可以联系的客户端主机名或和 ip 地址或地址段,默认情况没有此参数,即...
Master:192.168.1.1 Slave:192.168.1.2 Master端: vi /etc/my.cnf server-id = 1 #master端ID号 binlog-ignore-db...read lock; #只读锁表 mysql>show master status; #获取并记录下当前日志file和position的值,稍后Slave端需要用到 File ...mysql>unlock tables; Slave端: vi /etc/my.cnf server-id ...
Exec_Master_Log_Pos: 107 Relay_Log_Space: 107 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL ...
Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 1045 ...
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$.ajax({ url:"/user/export", data:JSON.stringify(data), type:"post", contentType:"application/json",//重点 success:function(fileName){ console.log(fileName); window.open("../user/downLoad?fileName=" + fileName); },error:function(){ console.log("失败!"); } })...