技術文章 - CS316638

Slow performance of PTC.Factory.StatusEvaluationScheduler and PTC.SCA.Mfg.KPIsCalculationScheduler lead to outages of ThingWorx Platform

修改時間: 03-Jun-2020   


套用到

  • ThingWorx Platform 8.1 to 8.4 SP4
  • ThingWorx Platform 8.5 F000 to SP1
  • ThingWorx Manufacturing Apps Family 8.1 to 8.4.4
  • ThingWorx Manufacturing Apps Family 8.5.0 to 8.5.1

描述

  • Installed ThingWorx Manufacturing Apps within an environment with thousands of devices
  • ThingWorx Apps install is now causing performance issues
  • ThingWorx SCO/Manufacturing Apps related Scheduler Things are firing every minute and backing up the Event Processing Subsystem
  • Database connections are being maxed out by ThingWorx Platform
  • ThingWorx is unstable after scaling with thousands of devices used by Manufacturing Apps
  • PTC.Factory.StatusEvaluationScheduler and PTC.SCA.Mfg.KPIsCalculationScheduler fire every minute and backup the EventProcessingSubsystem Tasks awaiting execution queue
  • Event Processing Queue is backing up after installing Manufacturing Apps 8.5.1
  • ThingWorx Thread Dumps (stacktraces) show the following services taking up many TWEventProcesser Threads:
    • CreateStateValue
    • CreateStateValueForThing
This is a PDF version of Article 316638 and may be out of date. For the latest version CS316638