Performance issue - Zowe V3.3

[krasen11]

Hello,

We are facing performance issue with Zowe V3.3(runs on z/OS V2.5). It is consuming a lot of central storage and it is causing significant paging rate.
We have Zowe V2.18 running concurrently(prefix ZWE1*) and here you can see comparison of daily totals CS frame use (Zowe V3.3 prefix is ZWET*)

Just the names separately in the picture
ZWE1*

ZWET*

Please advice what can be the reason for that, thanks.

[MarkAckert]

cc @balhar-jakub @achmelo for more insight

[balhar-jakub]

Thanks for opening the issue.

Would you be able to share zowe.yaml and logs in some way?

[krasen11]

Here they are:

app_server_log.txt
zowe_yaml.txt
zss_server_log.txt

[JoeNemo]

Is there any information from your monitoring tools that will break the storage usage down by 24/31/64, and subpools if possible?

Also, if paging is going up, is the system beginning to compete for real memory in December. What else was running? Or was it just having both 2.18 and 3.3 running that tipped your memory usage past what fits comfortable in RAM/CS?

[krasen11]

Unfortunately, there is no breakdown on subpool, only report that we have is:

zowe_report.xlsx

The issue is that Zowe V3.3 is consuming a lot of RAM/CS and exhausting system capacity, here is the comparison of V3.3(ZWET) and V2.18(ZWE1) RAM/CS consumption:

and adding cpu usage in same chart, does not seem to be like there is more user activity going on in ZWET