GSSAPI Auth use ~10% more memory during perf test

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
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    • Affects Version/s: 2.5.3
    • Component/s: Security
    • Environment:
      2.5.5-pre (2013-12-05) & enterprise-e0a4cb5c5d6421805632d680c79e5bbc06853e99-2013-12-11
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      During QA-402 testing, found out 2.5.5-pre use 10-15% more memory than that of 2.4.8 when running with GSSAPI auth. Here are the details:

      summary for resident memory usage

      Version RSS Memory % increase
      2.4.8 134.98M  
      2.5.5-pre (2013-12-05) 148.02M 9.66%
      2.4.8 ssl 142.13M  
      2.5.5-pre (2013-12-05) 159.37M 12.13%

      Virtual memory usage also big growth, here are the output from testing:

      GSSAPI Auth/non-SSL:

      2.5.5-pre GSSAPI RSS uses 9.48677204876% more than 2.4.8 GSSAPI | 153033.71855 vs 139773.705706
      2.5.5-pre GSSAPI VSZ uses 23.4819475555% more than 2.4.8 GSSAPI | 879632.051173 vs 712356.800801

      GSSAPI SSL:
      2.5.5-pre GSSAPI/SSL RSS uses 11.9241130121% more than 2.4.8 GSSAPI/SSL | 164746.567901 vs 147194.883629
      2.5.5-pre GSSAPI/SSL VSZ uses 23.1469306126% more than 2.4.8 GSSAPI/SSL | 886774.061728 vs 720094.327416

      for comparison, local based auth test does not show memory growth

      2.5.5-pre Local RSS uses 2.9495666401 % more than 2.4.8 Local | 46724.4615385 vs 45385.7777778
      2.5.5-pre Local VSZ uses 0.520006033054 % more than 2.4.8 Local | 785475.538462 vs 781412.148148

            Assignee:
            Andy Schwerin
            Reporter:
            Rui Zhang (Inactive)
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              Created:
              Updated:
              Resolved: