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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-5597

Zabbix agent CPU utilization high on AIX 5.3 TL11

    Details

    • Type: Incident report
    • Status: Closed
    • Priority: Minor
    • Resolution: Won't fix
    • Affects Version/s: 2.0.0, 2.0.3rc1
    • Fix Version/s: None
    • Component/s: Agent (G)
    • Labels:
    • Environment:
      AIX 5.3 TL11, compiled with both IBM compiler and gcc.

      Description

      zabbix agent consumes large amount of CPU on monitored host. Agent appears to be in a tight loop on this:

      statx("/etc/objrepos/CuAt", 0x2FF20110, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20020, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0
      statx("/etc/objrepos/CuAt", 0x2FF20470, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20380, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0
      statx("/etc/objrepos/CuAt", 0x2FF1FB30, 76, 0) = 0
      statx("/etc/objrepos/CuAt", 0x2FF20110, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20020, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0
      statx("/etc/objrepos/CuAt", 0x2FF20110, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20020, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0
      statx("/etc/objrepos/CuAt", 0x2FF20470, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20380, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0
      statx("/etc/objrepos/CuAt", 0x2FF1FB30, 76, 0) = 0
      statx("/etc/objrepos/CuAt", 0x2FF20110, 76, 0) = 0
      open("/etc/objrepos/CuAt", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt", O_RDONLY) = 6
      shmat(6, 0x00000000, 6144) = 0x40000000
      statx("/etc/objrepos/CuAt.vc", 0x2FF20020, 76, 0) = 0
      open("/etc/objrepos/CuAt.vc", O_RDWR) Err#13 EACCES
      open("/etc/objrepos/CuAt.vc", O_RDONLY) = 7
      shmat(7, 0x00000000, 6144) = 0x50000000
      shmdt(0x40000000) = 0
      close(6) = 0
      shmdt(0x50000000) = 0
      close(7) = 0

      It may be host specific, as I don't see this issue on other AIX hosts. I cannot find any issue with the file referenced (It is part of the ODM and likely referenced by libperfstat) or permissions on it.

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            • Assignee:
              Unassigned
              Reporter:
              ericw Eric Wertman
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              • Created:
                Updated:
                Resolved: