Poor performance in Repository mapping test tool (7.0.12)

[Former Member]

Hi,

I'm just looking for some hints for performance tuning the Mapping tool in the Repository. This is our Development machine.

• Seems to be significantly worse since upgrade from sps 10 to sps 12.

• Every "display queue" / recompile of the map takes almost 5 minutes.

The Java stack currently has about 4gb of heap, abap 1gb. We reallocated a large amount from abap to java which temporarily alleviated the problem (about 60% quicker), but it's back after a few days. There is currently no possibility of adding more memory.

The problem seems to be noticable primarily with the IB, hence I'm looking for any performance tuning tips that would directly affect this. I'm thinking that we need to concentrate on the Java stack. I've looked at note 894509 and SAP NetWeaver Process Integration Tuning Guide and not seen anything directly related at first glance.

I've deactivated end-to-end monitoring.

The only thing that stands out is a significant amount of activity on the disk with the sap/oracledb/oracleexec on it. It's about 9 times greater than the amount of swap. Two processes seem to be regularly at the top of CPU usage dw.sapPID_DVEBMGS14 and /usr/sap/PID/DVEBMG.

Hints and tips appreciated. As I said, hardware changes are not possible at this time.

Thanks

James.

Yes, points will be awarded where appropriate.

[bhavesh_kantilal]

Are you gacing this issue only when you test the mapping in the IR or even in the runtime?

I have also noticed that mapping test in the tool in IR always take a long time, but as they never reflect the runtime mapping perfromance I have always ignored it.

A few reasons might be,

1. Low RAM on the Machine being used by you.

2. Too Many applications!

Remember you are Connecting to the server from your IR using JWS and so the resources on your machine also matter quite a bit.

If completely off track , ignore the reply.

Regards

Bhavesh

[Former Member]

Hi Bhavesh

Doesnt seem to be a local machine issue, I dont have this problem on other environments. No activity on my local machine when I do a display queue etc. Local machine has 2gb ram and is fine!! Problem seems to be primarily around the testing within IR. Runtime isnt lightning quick but it's ok.

Makes sense as I'm 99% sure it compiles and tests the map on the server.

Thanks

James