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2117883 - maxThread always reached in Tomcat

Symptom

  • the max number of threads is reached in Tomcat every night at some hour.
  • All the hybris nodes within the cluster are affected
  • It all goes fine after a restart
  • When analysing thread dumps, you can see many locked ajp threads.
  • AJP configuration is in BIO mode
  • Apache maxConnection and Tomcat maxThread are set to default values (300, 200 resp.)


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Environment

hybris platform 5.1.1 Tomcat 7

Product

hybris Commerce Suite 5.1

Keywords

Apache, Tomcat, ajp, BIO, NIO, maxThread, maxConnection, maxClients, performance , KBA , CEC-COM-CPS , SAP Commerce , Problem

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