zhuzhurk commented on a change in pull request #10082: [FLINK-14164][runtime]
Add a meter ‘numberOfRestarts’ to show number of restarts as well as its rate
URL: https://github.com/apache/flink/pull/10082#discussion_r342904050
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/SchedulerBase.java
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@@ -193,6 +197,11 @@ public SchedulerBase(
this.failoverTopology = executionGraph.getFailoverTopology();
this.inputsLocationsRetriever = new
ExecutionGraphToInputsLocationsRetrieverAdapter(executionGraph);
+
+ // Use the counter from execution graph to avoid modifying
execution graph interfaces
+ // Can be a new SimpleCounter created here after the legacy
scheduler is removed.
+ this.numberOfRestartsCounter =
executionGraph.getNumberOfRestartsCounter();
Review comment:
The existing `numberOfFullRestarts` metric also counts cancel() and
suspend() as a restart.
But agreed it's better to not retain that behavior and only counts those
really happening restarts.
Will take another option that creates the `numberOfRestartsCounter` in
`SchedulerBase` and set it to `ExecutionGraph`.
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