Expert Advice

IMS_Wait_Sync_Point  
Situation Description
Suggested Actions
Situation Description

Waiting for synchronization (SYNC) point processing

 

Suggested Actions

Bottleneck Analysis found the transaction waiting on I/O to complete as a result of synchronization (SYNC) point processing. Review the IMS DASD Logging workspace to determine if WADS or OLDS checkwrite rate is high. Review IMS Device Activity workspace to determine if volume on which the OLDS/WADS reside is responding and potential I/O queue depth issues.

 

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