The CICSLOGR task buffer records prior to logging them to SMF or logstream. As soon as the buffer becomes full data are passed SMF/Logstream. That buffer flushes automatically once in 120 seconds.
Release : 17.0
There is an option to force the FLUSH. Each CICS region will connect to a CICSLOGR. It is important to FLUSH the correct or desired CICSLOGR. This can be done in two ways.
F SYSVIEW,F CICSLOGR,FLUSH
CICS jobanme ; CICSSET FLUSH
Option 1. Requires you to know which CICS and CICSLOGR are connected. This can be viewed on the CICSLOGS or CICSLIST command.
Option 2. Allows you to switch the desired CICS region and then issue the CICSSET FLUSH command. It understands which CICSLOGR needs to be flushed.