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  1. OpenOLAT
  2. OO-1873

Performance improvements

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 10.5
    • Component/s: None
    • Labels:
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      Description

      Decrease lock contention on heavy load:

      • Remove synchronized in course node factory (and a add a prewar) (done)
      • In UserSessionManager use modern ConcurrentHashMap instead synchronized statement everywhere, on signOn, synchronized only the user session (done)
      • Optimize our fronted for log4j, don't get the logger from the registry every time, cache it in OLogImpl (done)
      • Save the user session manager as instance variable of the UserRequestImpl (done)
      • The collaboration tools cache can use the putIfAbsent strategy instead of doInSync (done)
      • Improve the list of bookings performance (done)
      • Results XSLT for QTI 1.2 use a single synchronized Transformer, replace it with Templates (done)
      • Reduce object allocations in toString/getAsString and normalizeFilename (done)
      • In QTI 1.2, replace the deepCopy with a simple XML parsing of the test, seem quicker with less lock contention (done)
      • Notifications course checker laid the whole repository entry, the key is enough (done)
      • LIRS is the standard strategy for Infinispan, update the configuration (done)
      • Load the last 100 used courses on OpenOLAT start (done)

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            • Assignee:
              srosse Stéphane Rossé
              Reporter:
              gnaegi Florian Gnägi
              Tester:
              Florian Gnägi
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              Dates

              • Created:
                Updated:
                Resolved: