Average Response time high.

[Former Member]

Hi All,

We are facing a strange problem.

Our system is performing low just because of the share of high Roll Wait Time.

Can anyone tell why it is so high ? and how to reduce it's time.

<b>Now it's taking more than 60% of Total Avg. Resp. Time.</b>

Thanks & Regards,

Santosh Rajput

[Former Member]

Hi,

Normally High Roll Wait time gives the communication problem with GUI or external system.

Execute the STAT or STAD for the particular period of time ( during High roll wait time period) and double click on any single record and find any dilog step with Snchornus RFC.

RFCCPIC time will calcuate the time for execution of RFCs plus setting up the connection.If you found the RFCCPIC time > Roll wait time , It gives the problem during the communication between the systems.

You have to check whether any slow network connectivities or might be no work process will available in the receving system.

Might be this will help you.

Regards

Upender Reddy

[former_member185954]

Hi Santosh,

Roll Wait Time = Wait time in the roll area.

If synchronous RFCs are called, the work process performs a roll out and waits for the end of the RFC in the roll area. The RFC server programs can wait for other RFCs to be sent to them in the roll area.

Check if there are too many synchronous RFC connections.

Regards,

Siddhesh

[Former Member]

If this is connection to the APO system then Roll Wait Time is when the synchronous RFC is waiting for the RFC processing to complete in the recipient system. During this time the calling RFC rolls-out the user context from the workprocess into the roll-area and waits for the recipient to complete it's processing.

However this wait time is taken into calculating the Avg Response Time.

If this is the case you can safely subtract the Roll-wait Time from the Avg response time, since this wait time does not consume CPU cycles.

Such kind of behavior is observed when a CCR is run (external consistency between APO and R/3)