Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/3128#discussion_r97314949
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/dump/MetricDumpSerialization.java
---
@@ -50,12 +51,27 @@
private MetricDumpSerialization() {
}
+ public static class MetricSerializationResult {
--- End diff --
Can you add a short class level comment about why we added this? The
problem with determining number of metrics before hand etc.
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