Lookup Select Box has slower response times in Istanbul vs Helsinki.
Steps to Reproduce
Navigate to Service Catalog > Catalog Definitions > Maintain items and open an item.
Add a new variable with a lookup select box referencing a large table (such as sys_security_acl).
For more information, see the documentation topic Lookup select box.
Save the variable and click Preview Item.
Response time in Helsinki: 1791ms
Response time in Istanbul: 14673ms
There is no known workaround for this issue. To receive notifications when more information is available, subscribe to this Known Error article by clicking the Subscribe button at the top right of the article. If you are able to upgrade, review the Fixed In field to determine whether any versions have a permanent fix.
Related Problem: PRB884515