Long wait time for /sap/webcuif/uif_callback

[jason_xia]

STAD shows following record indicating a very long wait time. Seems the application /sap/webcuif/uif_callback mentioned in the record is a CRM WebClient UI framework related service defined in transaction SICF. I did not observe such long wait time on other HTTP requests and applications. Why could this happen? How to analyze further? The system is CRM703 SP03.

CPU time                       0 ms
RFC+CPIC time                  0 ms

Total time in workprocs        3 ms

   Response time           49.658 ms

Wait for work process     49.655 ms
Processing time                2 ms
Load time                      0 ms
Generating time                0 ms
Roll (in+wait) time            0 ms
Database request time          0 ms
Enqueue time                   0 ms

Number      Roll ins            1
             Roll outs           1
             Enqueues            0

Load time   Program             0  ms
             Screen              0  ms
             CUA interf.         0  ms

Roll time   Out                 0  ms
             In                  0  ms
             Wait                0  ms

Frontend    No.roundtrips       0
             GUI time            0  ms
             Net time            0  ms

Call number                                         6
Connection-Id          6CAE8B34B9581ED49BF5441DA68E2F2A
Communication step     Send/Receive
Timestamp              20141119 131100 CST
Host                   XXXXXXXXX
Port                   8001
Path                   /sap/webcuif/uif_callback
Status phrase          OK
Status code              200
Protocol               HTTP
Method                 POST
Virtual host               0

Calling time                                        2  ms
Remote exec. time                                   0  ms
Data send time                                      0  ms
Data receive time                                   0  ms
Idle time                                           1  ms
Sent data                                         107  Bytes
Received data                                   2.682  Bytes

Thanks.

Regards,

Jason

[mercedes_fernandez]

Hello Jason,

the "Wait for work process" means the request was at the dispatcher queue waiting for a work process.
Probably at that time all  the DIA work processes in that instance were occupied.
was that the case?

kind regards,
Mercedes

[jason_xia]

Hi Mercedes,

Then how to verify this? Is there a way to look at historic work process workload like SM50?

regards,

Jason

[mercedes_fernandez]

Hello Jason,

do you have activated /sdf/mon transaction?
then you could see what was occupying the work processes at that time.

kind regards,
Mercedes

[jason_xia]

Hi Mercedes,

No. I did not know that. Thanks a lot for providing the hint.

Regards,

Jason