zentol commented on a change in pull request #6850: [FLINK-10252] Handle
oversized metric messges
URL: https://github.com/apache/flink/pull/6850#discussion_r225449585
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/dump/MetricQueryService.java
##########
@@ -109,7 +122,17 @@ public void onReceive(Object message) {
}
} else if (message instanceof CreateDump) {
MetricDumpSerialization.MetricSerializationResult dump =
serializer.serialize(counters, gauges, histograms, meters);
- getSender().tell(dump, getSelf());
+
+ int realMsgSize = dump.serializedMetrics.length;
+
+ if (realMsgSize > maximumFramesize) {
+ String overSizeErrorMsg = "The metric
dump message size : " + realMsgSize
+ + " exceeds the maximum akka
framesize : " + maximumFramesize + ".";
+ LOG.error(overSizeErrorMsg);
+ getSender().tell(new Status.Failure(new
IOException(overSizeErrorMsg)), getSelf());
Review comment:
or even pass in maxSize to the serialization logic and only serialize up to
that point.
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