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Agenda

  1. Updates
    1. Finalize Test2 PR?
    2. Jira
      serverDuraSpace JIRA
      serverIdc815ca92-fd23-34c2-8fe3-956808caf8c5
      keyFCREPO-1948
    3. Jira
      serverDuraSpace JIRA
      serverIdc815ca92-fd23-34c2-8fe3-956808caf8c5
      keyFCREPO-1950
    4. Princeton Results - Test 23
    5. Profiling with YourKit
  2. (Re)Define concrete goals and timeline of this group
    1. We should plan for a community report-out
  3. Fedora memory leak found when measuring API-X latency

Minutes

  • Updates
    • Nick Ruest doesn't have the Compute Canada server to run tests on anymore, but has a dedicated VPS setup to run tests locally at York University
    • Nobody has had the chance to setup YourKit to run tests
    • Test 2 PR discussed, and merged
    • Test 1
      • Nobody has done this one yet
      • On hold given memory issues of running it; large objects take up a lot of memory on the machine running the test
    • Test 2
      • Princeton has run Test 2
      • https://wiki.duraspace.org/display/FF/Princeton+Results+-+Test+2
      • Esmé Cowles thinks he ran Test 3 instead of Test 2 given the size of the files on disk
      • There might be something up with the configuration of Test 2. Not sure it is doing what it is supposed to be doing
      • Need to investigate more what the error that stopped the test was
        • ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000101:ecc1:5737143c:238f73 in state  RUN
          • ActveMQ?
        • Do we continue to give time to investigating LevelDB issues given Modeshape 5 does not support it?
      • Nick Ruest is going to try and run this one soon
    • Reinstate Test 3, so that the files are above 4KB threshold
    • Test 4 - Summary needed
    • YourKit
      • Nick Ruest has installed it locally on his desktop, and will get it setup in Tomcat
  • Define concrete goals and timeline of this group
    • What type of tests have been run?
    • What are the numbers we're seeing?
    • What are issues that have surfaced?
    • We can pull something together for Test 4?
  • Fedora memory leak found when measuring API-X latency
    • Aaron Birkland discovered a memory leak with Work tool
      • Jira
        serverDuraSpace JIRA
        serverIdc815ca92-fd23-34c2-8fe3-956808caf8c5
        keyFCREPO-2025
      • JVisualVM
      • Run the same test with YourKit?
    • Andrew Woods will follow-up with some questions in the ticket

Action Items

  1. Esme: Start a Google Doc for collaborating on report of the work to date
    1. https://docs.google.com/document/d/1dvOfaG-V5u5RcdjHen5BKuUespOe0_j13Qq-tO3Gndk/edit#