valepakh commented on code in PR #4776:
URL: https://github.com/apache/ignite-3/pull/4776#discussion_r1856102706


##########
modules/compute/src/main/java/org/apache/ignite/internal/compute/ComputeComponentImpl.java:
##########
@@ -145,6 +150,14 @@ public <I, R> JobExecution<R> executeLocally(
             inFlightFutures.registerFuture(future);
 
             JobExecution<R> result = new DelegatingJobExecution<>(future);
+
+            if (cancellationToken != null) {
+                CancelHandleHelper.addCancelAction(cancellationToken, () -> 
classLoaderFut
+                        .cancel(true), classLoaderFut);

Review Comment:
   > don`t understand what future you are talking about ?
   
   On line 141, `CompletableFuture<JobExecutionInternal<R>> future`



##########
modules/compute/src/main/java/org/apache/ignite/internal/compute/ComputeJobFailover.java:
##########
@@ -84,6 +86,9 @@ class ComputeJobFailover<R> {
      */
     private final RemoteExecutionContext<?, R> jobContext;
 
+    /** Cancellation token. */
+    @Nullable private final CancellationToken cancellationToken;

Review Comment:
   > i suppose - no, cause ExecutionOptions is passed into execution nodes and 
if token was passed there - distributed nodes are register redundant token.
   
   I don't really understand - you still pass the token everywhere, just 
manually through the method arguments starting from the 
`executeOnOneNodeWithFailover`. What am I missing here?



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