配置MySQL主从复制报错 ``` Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but thi…
我们在使用Entity Framework进行CRUD时,为了提升查询效率,一般均会启动NoTracking,即不追踪变化,设置代码如下: //这是DB First模式下设置方法: aTestEntities db = new aTestEntities(); db.Companies.MergeOption = MergeOption.NoTracking; //这是CODE First及Model First模式下设置方法: aTestEntities db = new aTestEntit…
启动第二节点报错:WSREP_SST: [ERROR] Error while getting data from donor node: exit codes: 137 0 本来所有节点的wsrep_sst_method均配置为xtrabackup-v2,但是添加第二个节点时报错:WSREP_SST: [ERROR] Error while getting data from donor node: exit codes: 137 0,换成了rsync后,就没有问题了,待验证是否是xtraba…