tillrohrmann commented on a change in pull request #6961: [FLINK-9635] Fix 
scheduling for local recovery
URL: https://github.com/apache/flink/pull/6961#discussion_r229250625
 
 

 ##########
 File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
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 @@ -939,13 +942,18 @@ public void scheduleForExecution() throws JobException {
                // collecting all the slots may resize and fail in that 
operation without slots getting lost
                final ArrayList<CompletableFuture<Execution>> 
allAllocationFutures = new ArrayList<>(getNumberOfExecutionJobVertices());
 
+               // a (temporary) optimization to avoid collecting the previous 
allocations for all executions again and again
 
 Review comment:
   Comment is also not 100% correct anymore, I think.

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