Dm同步任务过多启动任务，worker请求超时，报错误码38033

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  • 【TiDB 版本】：3.0.5
  • 【问题描述】：启动任务报错误码38033

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报错如下：
“msg”: “[code=38033:class=dm-master:scope=internal:level=high] request is timeout, but request may be successful, please execute query-status to check status
github.com/pingcap/dm/pkg/terror.(*Error).Generate
/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/pkg/terror/terror.go:232
github.com/pingcap/dm/dm/master.(*Server).waitOperationOk
/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/master/server.go:1923
github.com/pingcap/dm/dm/master.(*Server).handleOperationResult
/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/master/server.go:1946
github.com/pingcap/dm/dm/master.(*Server).StartTask.func1
/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/master/server.go:276
github.com/pingcap/dm/dm/master.(*AgentPool).Emit
/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/master/agent_pool.go:117
runtime.goexit
/usr/local/go/src/runtime/asm_amd64.s:1337”

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[code=38033:class=dm-master:scope=internal:level=high],“request to dm-worker %s is timeout, but request may be successful, please execute query-status to check status” 建议检查一下网络和 dm-worker的启动日志

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