原创 Last_Errno: 1677,Column 1 of table 'mysql.user' cannot be converted from type 'char(48(bytes))'
Last_Errno: 1677 Last_Error: Column 1 of table 'mysql.user' cannot be converted from type 'char(48(bytes))' to type 'c
2019-07-07 15:03:03
9
原创 Last_SQL_Errno: 3009
從庫報錯： Last_SQL_Errno: 3009 Last_SQL_Error: Error 'Column count of mysql.user is wrong. Expected 45, found 43. Created
2019-07-06 15:02:56
2
原创 xtrabacku物理備份（單庫，多庫備份和恢復）
一、安裝工具 yum install https://repo.percona.com/yum/percona-release-latest.noarch.rpm yum install percona-xtrabackup-2
2019-07-02 15:05:25
原创 12306 SERVER_UUID GTIDs that the slave requires
Last_IO_Errno: 1236 Last_IO_Error: Got fatal error 1236 from master when reading data from binary log:
2019-07-02 15:05:25
原创 Last_SQL_Errno: 1677 cannot be converted from type 'varchar(1020)' to type 'varchar(255)'
Last_SQL_Errno: 1677 Last_SQL_Errno:Column 3 of table 'a86819.zz_bitch_log' cannot be converted from type 'varchar(10
2019-07-02 15:05:25
原创 Assertion failed for IPv4 firewall with iptables Assertion failed on job for iptables.service.
[root@xwah]# systemctl restart iptables Assertion failed on job for iptables.service. [root@xwah]# systemctl status
2019-06-27 15:11:43
83
原创 Slave failed to initialize relay log info structure from the repository
從上報錯： Slave failed to initialize relay log info structure from the repository 從上操作： mysql> stop slave; mysql> reset s
2019-06-26 09:04:07
原创 Slave failed to initialize relay log info structure from the repository
從上操作： mysql> stop slave; mysql> reset slave; mysql> change master to master_host='10.10.102.34',master_user='zzh',mast
2019-06-26 09:04:07
原创 同一內網使用多組主從keepalived
#Configuration File for keepalived global_defs { router_id haproxy_ha2 --這裏不能重複 } vrrp_instance VI_HA
2019-06-19 15:06:50
1
原创 生產環境redis的使用
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 安裝redis：4.5 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ yum -y install wget wg
2019-06-16 08:33:53
1
原创 linux上網卡的鏈路聚合：模式team
建立team nmcli con add type team con-name eth0 ifname eth0 config '{"runner":{"name": "roundrobin"}}' nmcli con add type
2019-06-14 09:14:51
1
原创 mysql5.6的詳解
一、innodb_buffer_pool_size 這個是Innodb最重要的參數， 這個參數主要緩存innodb表的索引，數據，插入數據時的緩衝。 如果是一個專用DB服務器，那麼他可以佔到內存的70%-80%。
2019-06-13 18:27:21
1
原创 mysql的PXC5.7 集羣狀態說明
PXC常用管理 https://www.jianshu.com/p/7ae73a6baf03 PXC原理與啓動關閉及注意事項 https://blog.csdn.net/zengxuewen2045/article/details/
2019-06-13 18:27:21
1
原创 zabbix監控網卡網絡流量
[root@zabbix_server bin]# ./zabbix_get -s 103.218.0.232 -k net.if.in[eth0,bytes] 2567960137 [root@zabbix_server bin]#
2019-06-11 14:28:37
15