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How Can I Fix Error "ERR the worker queue is full, and the request cannot be executed"
Updated on 2025-09-28 GMT+08:00
How Can I Fix Error "ERR the worker queue is full, and the request cannot be executed"
Error Description
The shard queue of the service process is full and cannot receive new requests.
Possible Causes
- The traffic surges, and nodes are overloaded. As a result, the shard queue is full.
- Commands in one shard queue up due to big and hot keys. As a result, the shard queue is full.
Suggestion
- If the queue is full due to big or hot keys, refactor application code by following development and O&M specifications.
- If the instance is overloaded, increase its specifications.

If the fault cannot be fixed, choose Service Tickets > Create Service Ticket in the upper right corner of the console and contact the customer service.
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