日志里边很多这个错误，用的是ES 作为存储。偶尔会grpc full

[wolfguoliang]

2019-11-08 16:17:01,628 - org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler - 64 [grpcServerPool-1-thread-6] ERROR [] - CANCELLED: cancelled before receiving half close
io.grpc.StatusRuntimeException: CANCELLED: cancelled before receiving half close
at io.grpc.Status.asRuntimeException(Status.java:517) ~[grpc-core-1.15.1.jar:1.15.1]
at io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:272) [grpc-stub-1.15.1.jar:1.15.1]
at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:293) [grpc-core-1.15.1.jar:1.15.1]
at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:738) [grpc-core-1.15.1.jar:1.15.1]
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) [grpc-core-1.15.1.jar:1.15.1]
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) [grpc-core-1.15.1.jar:1.15.1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_211]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_211]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]

[wu-sheng]

English only.

[wolfguoliang]

those error is normal?