zentol commented on a change in pull request #15054:
URL: https://github.com/apache/flink/pull/15054#discussion_r604815521
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutorGateway.java
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@@ -266,4 +269,17 @@ void heartbeatFromJobManager(
* @return the {@link ThreadDumpInfo} for this TaskManager.
*/
CompletableFuture<ThreadDumpInfo> requestThreadDump(@RpcTimeout Time
timeout);
+
+ /**
+ * Request a thread info sample from the given task.
+ *
+ * @param taskExecutionAttemptId identifying the task to sample
+ * @param requestParams parameters of the request
+ * @param timeout of the request
+ * @return Future of stack trace sample response
+ */
+ CompletableFuture<TaskThreadInfoResponse> requestThreadInfoSamples(
+ ExecutionAttemptID taskExecutionAttemptId,
+ ThreadInfoSamplesRequest requestParams,
+ Duration timeout);
Review comment:
```suggestion
@RpcTimeout Time timeout);
```
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