morningman commented on a change in pull request #327: Add path info of replica
in catalog
URL: https://github.com/apache/incubator-doris/pull/327#discussion_r234502358
##########
File path: be/src/agent/heartbeat_server.cpp
##########
@@ -119,6 +121,13 @@ Status HeartbeatServer::_heartbeat(
<< " local epoch: " << _epoch << " received epoch: "
<< master_info.epoch;
return Status("epoch is not greater than local. ignore
heartbeat.");
}
+ } else {
+ // when Master FE restarted, host and port remains the same, but epoch
will be increased.
+ if (master_info.epoch > _epoch) {
+ _epoch = master_info.epoch;
Review comment:
Add a mutex to protect _heartbeat() function
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