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new cb64eac292b [fix](scheduler) Fix TaskDisruptor event loss due to wrong
ProducerType (#60238)
cb64eac292b is described below
commit cb64eac292bd2ee5ed8ff73d1b93f4c28f63505b
Author: Xin Liao <[email protected]>
AuthorDate: Thu Jan 29 17:39:04 2026 +0800
[fix](scheduler) Fix TaskDisruptor event loss due to wrong ProducerType
(#60238)
Change ProducerType from SINGLE to MULTI in TaskDisruptor to fix
concurrent event publishing issue. Multiple thrift-server-pool threads
can submit export tasks simultaneously, but SINGLE producer mode is not
thread-safe and causes events to be lost when concurrent publishing
occurs.
---
.../main/java/org/apache/doris/scheduler/disruptor/TaskDisruptor.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/scheduler/disruptor/TaskDisruptor.java
b/fe/fe-core/src/main/java/org/apache/doris/scheduler/disruptor/TaskDisruptor.java
index 8144ca22ea2..9be30124c9e 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/scheduler/disruptor/TaskDisruptor.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/scheduler/disruptor/TaskDisruptor.java
@@ -75,7 +75,7 @@ public class TaskDisruptor implements Closeable {
public void start() {
CustomThreadFactory exportTaskThreadFactory = new
CustomThreadFactory("export-task-consumer");
disruptor = new Disruptor<>(TaskEvent.FACTORY,
DEFAULT_RING_BUFFER_SIZE, exportTaskThreadFactory,
- ProducerType.SINGLE, new LiteTimeoutBlockingWaitStrategy(10,
TimeUnit.MILLISECONDS));
+ ProducerType.MULTI, new LiteTimeoutBlockingWaitStrategy(10,
TimeUnit.MILLISECONDS));
WorkHandler<TaskEvent>[] workers = new
TaskHandler[consumerThreadCount];
for (int i = 0; i < consumerThreadCount; i++) {
workers[i] = new TaskHandler();
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