yiguolei commented on code in PR #67344:
URL: https://github.com/apache/doris/pull/67344#discussion_r3901477652
##########
be/src/runtime/query_context.cpp:
##########
@@ -343,7 +343,21 @@ void QueryContext::cancel(Status new_status, int
fragment_id) {
}
set_ready_to_execute(new_status);
- cancel_all_pipeline_context(new_status, fragment_id);
+
+ // Copy the fragment contexts under the map lock, then cancel them after
releasing it. Fragment
+ // cancellation may take task-level locks and must not run while holding
the query map lock.
+ std::vector<std::weak_ptr<PipelineFragmentContext>> ctx_to_cancel;
+ {
Review Comment:
not a problem because，maybe fix in another PR。
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