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Performance issue when using pyMyProcessActions - Bulk transfer



After moving to Pega 7.1.9, user notices his bulk action operator drop down does not load and causes "Site is not responding due to a long-running script" error message.

Error Messages

Site is not responding due to a long-running script

Steps to Reproduce

1. Using Internet Explorer 11, log into the portal containing "pyMyProcessActions"  section for the bulk actions.
2. Have 10000+ operators in the user workgroup.

Root Cause

User is trying to load 10000+ operators using the old dynamic select control. The HTML in pyMyProcessActions sets attribute "DSRefreshOnLoad" to true. Even though "DSLoadMode" is set to OnDemand, the DRefreshOnLoad attributes, trumps this setting and changes it to "Auto" causing 10000+ values to be loaded at page load time.

​ Apart from this several mouse events also caused the values to be fetched over and over again.

Apart from this, user also had "Refresh when active" turned on for his default tab which caused the dynamic select to be reloaded everytime.


Remove "DSRefreshOnLoad" attribute from pyMyProcessActions (HTML).  This is a deprecated attribute and must not be used.

Consider moving to Drop-Down instead of the deprecated dynamic select.


Published July 20, 2016 - Updated October 8, 2020

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