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The following commit(s) were added to refs/heads/branch-4.1 by this push:
new c76d49722c1 branch-4.1: [fix](be) Init thread context on AsyncIO
worker threads #64846 (#64970)
c76d49722c1 is described below
commit c76d49722c1efdb214066a91ecc11a22fa16b200
Author: github-actions[bot]
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Tue Jun 30 14:05:30 2026 +0800
branch-4.1: [fix](be) Init thread context on AsyncIO worker threads #64846
(#64970)
Cherry-picked from #64846
Co-authored-by: Xin Liao <[email protected]>
---
be/src/util/async_io.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/be/src/util/async_io.h b/be/src/util/async_io.h
index 485be4b79f0..57587164b35 100644
--- a/be/src/util/async_io.h
+++ b/be/src/util/async_io.h
@@ -20,6 +20,7 @@
#include <bthread/bthread.h>
#include "io/fs/file_system.h"
+#include "runtime/thread_context.h"
#include "storage/olap_define.h"
#include "util/cpu_info.h"
#include "util/work_thread_pool.hpp"
@@ -79,6 +80,12 @@ public:
PriorityThreadPool::Task task;
task.priority = nice;
task.work_function = [&] {
+ // The AsyncIO worker is a plain infra pthread that is not bound
to any task,
+ // so it has no ThreadContext. fn() (e.g. a FILESYSTEM_M
dispatched upload/read)
+ // may touch thread_context() (memory tracking, LIMIT_*_SCAN_IO,
...), which would
+ // FatalError without a context. Initialize an (unattached)
ThreadContext here,
+ // same pattern as StorageEngine background threads.
+ SCOPED_INIT_THREAD_CONTEXT();
fn();
std::unique_lock l(mutex);
cv.notify_one();
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