zentol commented on a change in pull request #6850: [FLINK-10252] Handle
oversized metric messges
URL: https://github.com/apache/flink/pull/6850#discussion_r226202165
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/dump/MetricDumpSerialization.java
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@@ -124,50 +124,86 @@ public MetricSerializationResult serialize(
Map<Counter, Tuple2<QueryScopeInfo, String>> counters,
Map<Gauge<?>, Tuple2<QueryScopeInfo, String>> gauges,
Map<Histogram, Tuple2<QueryScopeInfo, String>>
histograms,
- Map<Meter, Tuple2<QueryScopeInfo, String>> meters) {
+ Map<Meter, Tuple2<QueryScopeInfo, String>> meters,
+ long maximumFramesize,
+ MetricQueryService queryService) {
buffer.clear();
+ boolean unregisterRemainingMetrics = false;
int numCounters = 0;
for (Map.Entry<Counter, Tuple2<QueryScopeInfo, String>>
entry : counters.entrySet()) {
+ if (unregisterRemainingMetrics) {
+ queryService.unregister(entry.getKey());
+ continue;
+ }
+
try {
serializeCounter(buffer,
entry.getValue().f0, entry.getValue().f1, entry.getKey());
numCounters++;
+ if (buffer.length() > maximumFramesize)
{
+ unregisterRemainingMetrics =
true;
Review comment:
In this case a warning should be logged to inform users that not all metrics
can be reporter to the UI.
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