Github user wenlong88 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3709#discussion_r111308326
--- Diff:
flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/ExecutionGraphHolder.java
---
@@ -48,7 +52,41 @@
private
GitHub user WangTaoTheTonic opened a pull request:
https://github.com/apache/flink/pull/3709
[FLINK-6295]use LoadingCache instead of WeakHashMap to lower latency
Now in ExecutionGraphHolder, which is used in many handlers, we use a
WeakHashMap to cache ExecutionGraph(s), which is
