Hello,

We upgraded our tomcat from 7 to 9 and we observed the following:

  *   In tomcat9 the jar files from the webapps folder are discarded and 
reloaded -> this creates extra input/output operations which increase our CPU 
Usage.
  *   In tomcat7 the jar files were kept loaded in memory and were not 
discarded.

I have tried adding the periodicEventDelay set to 0 or a negative value, but we 
have the same behavior.

Can you please guide me what I can do to have the same behavior as we did with 
tomcat7.

Thank you,
Cristian Duca.


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