liaolanyu created IOTDB-6172:
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Summary: Query with limit clause will leave some tasks in
blockedQueue
Key: IOTDB-6172
URL: https://issues.apache.org/jira/browse/IOTDB-6172
Project: Apache IoTDB
Issue Type: Bug
Reporter: liaolanyu
Assignee: liaolanyu
Attachments: image-2023-09-26-17-43-26-115.png
How to reproduce:
1. set the query_timeout_threshold to 10min.
2. Use benchmark to generate data. 100 devices, each with 500 timeseries
is enough.
3. Run query: "show timeseries root.** limit 100"
4. In grafana/DataNode DashBoard/QueryRelated Resource/DriverScheduler,
the block_queue_task_count should be greater than 0. After 1 min, it still
remains greater than 0.
!image-2023-09-26-17-43-26-115.png!
After fixing: the block_queue_task_count should be eqaul to 0 in several
seconds.
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