Can not run operation
I/O thread pool operation queue overflow. This occurs when the spilling I/O thread pool queue is full and cannot accept new operations, causing spilling operations to fail.
Diagnostics
Check the I/O thread pool configuration and usage:
- Check the
queue_size
parameter inio_thread_pool
configuration - Review the
workers_count
parameter for the I/O thread pool
Recommendations
To resolve this issue:
-
Increase queue size:
- Increase
queue_size
inio_thread_pool
configuration - This allows more operations to be queued before overflow occurs
- Increase
-
Increase worker threads:
- Increase
workers_count
for faster operation processing - More worker threads can process operations faster, reducing queue buildup
- Increase
Note
The I/O thread pool processes spilling operations asynchronously. If the queue overflows, new spilling operations will fail until space becomes available.
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