Journal read waits

Indicates CA IDMS/DB must wait to read a page from a journal file into the journal buffer during a rollback operation.

Increase the number of pages in the journal buffer

Journal page utilization

Indicates the fullness of journal pages written from the journal buffer.

Create fuller journal buffers by:

• Adjusting the journal buffer page size in the definition of the journal buffer
• Increasing the journal TRANSACTION LEVEL option at system generation or using a DCMT VARY JOURNAL command