Pega 8.2.2 to 8.2.8 upgrade goes indefinite waiting in prod

Pega upgrade does not continue even after waiting for more than 2 hrs. it is stopped at below step

[java] 2021-04-09 05:10:05,010 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - Servlet classes: (none)
[java] 2021-04-09 05:10:05,010 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - JSP classes: (none)
[java] 2021-04-09 05:10:05,010 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - EJB classes: (none)
[java] 2021-04-09 05:10:05,010 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - JMS classes: (none)
[java] 2021-04-09 05:10:07,602 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - Servlet classes: (none)
[java] 2021-04-09 05:10:07,602 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - JSP classes: (none)
[java] 2021-04-09 05:10:07,602 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - EJB classes: (none)
[java] 2021-04-09 05:10:07,602 [ TaragheBE01] [ STANDARD] (rnal.mgmt.InitialConfiguration) INFO - JMS classes: (none)
[java] 2021-04-09 05:10:08,754 [ TaragheBE01] [ STANDARD] (internal.context.RuleUsageImpl) INFO - Starting RuleUsage snapshot: recent
[java] 2021-04-09 05:10:11,838 [ TaragheBE01] [ STANDARD] (internal.context.RuleUsageImpl) INFO - RuleUsage snapshot completed: recent (committed 1 usage instances and 1 detail instances)
[java] 2021-04-09 05:10:11,844 [ TaragheBE01] [ STANDARD] (internal.context.RuleUsageImpl) INFO - Starting RuleUsage snapshot: shutdown
[java] 2021-04-09 05:10:11,858 [ TaragheBE01] [ STANDARD] (internal.context.RuleUsageImpl) INFO - RuleUsage snapshot completed: shutdown (committed 1 usage instances and 0 detail instances)

@mahamad.hh

are you performing both rules and data upgrade? Do you see any error in logs?

@PrakashKaragi Hi Prakash,

Thank you for your response.

yes, it was both. and we were able to resolve issue.( issue was with garbage collection in prod was not working as expected) o