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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-20886

Possibility of memory leak in Zabbix Agent2 - vfs.fs.get (Windows)

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    • Icon: Problem report Problem report
    • Resolution: Fixed
    • Icon: Trivial Trivial
    • 5.0.21
    • Agent (G)
    • None
    • Windows 2012 R2, 2016, 2019
      Zabbix Agent2 5.0.21
    • Sprint 87 (Apr 2022), Sprint 88 (May 2022)
    • 0.5

      In the Windows agent2 process memory is not managed well, so more investigation is needed

      • Possible memory leaks with vfs.fs.get

      We are using Agent2 for a long time with a 5m interval, A suspicious increase in zabbix_agentd.exe process memory. If you use it for several months, you can see that the memory of the agent2 process has increased significantly.

      Steps to reproduce:

      1. Create a host that represents a working Windows machine (tested at Windows2012 R2)
      2. Add Attached template to this host
      3. Start monitoring this host using a windows version of Zabbix agent2 and wait for some time

      We tested "vfs.fs.get" item key with 1s intervals: memory increased 80MB per day. and If you increase the number of the same IP host settings, you can check more faster memory leaks.

            vso Vladislavs Sokurenko
            JKKim Kim Jongkwon
            Team A
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