Troubleshooting
Problem
The IBM MQ for z/OS channel initiator (CHIN) is experiencing extremely high CPU. IBM MQ is recycled, but the CHIN immediately experiences the same symptoms. One or more CLUSSDR channels might appear to be hung.
Symptom
Additional symptoms might include:
- CURDEPTH is high in DISPLAY QUEUE or DISPLAY QSTATUS output for SYSTEM.CLUSTER.TRANSMIT.QUEUE
- MSGAGE and QTIME increase in DISPLAY CHSTATUS output for SYSTEM.CLUSTER.TRANSMIT.QUEUE
- CURDEPTH is high in DISPLAY QUEUE or DISPLAY QSTATUS output for SYSTEM.CLUSTER.TRANSMIT.QUEUE
- MSGAGE and QTIME increase in DISPLAY CHSTATUS output for SYSTEM.CLUSTER.TRANSMIT.QUEUE
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Document Information
Modified date:
28 April 2025
UID
swg21199910