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commit e384b495e3b70194bdd12559bea569a797b6aa7a
Author: Jerry Hu <mrh...@gmail.com>
AuthorDate: Mon Apr 22 12:00:43 2024 +0800
[fix](pipeline_x) The execution loop of a task should be broken if the task
is cancelled (#33938)
---
be/src/pipeline/pipeline_x/pipeline_x_task.cpp | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/be/src/pipeline/pipeline_x/pipeline_x_task.cpp
b/be/src/pipeline/pipeline_x/pipeline_x_task.cpp
index da3da7404f6..64b11ceffb1 100644
--- a/be/src/pipeline/pipeline_x/pipeline_x_task.cpp
+++ b/be/src/pipeline/pipeline_x/pipeline_x_task.cpp
@@ -254,6 +254,14 @@ Status PipelineXTask::execute(bool* eos) {
set_state(PipelineTaskState::BLOCKED_FOR_SINK);
break;
}
+
+ /// When a task is cancelled,
+ /// its blocking state will be cleared and it will transition to a
ready state (though it is not truly ready).
+ /// Here, checking whether it is cancelled to prevent tasks in a
blocking state from being re-executed.
+ if (_fragment_context->is_canceled()) {
+ break;
+ }
+
if (time_spent > THREAD_TIME_SLICE) {
COUNTER_UPDATE(_yield_counts, 1);
break;
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