OPERATIONAL DEFECT DATABASE
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Alarms reported for application crashes on ESXi transport nodes.Logs similar to the below observed on the ESXi host in var/run/log/vobd.log 2024-04-02T18:52:43.225Z In(14) vobd[2098026]: [UserWorldCorrelator] 213546302089us: [vob.uw.core.dumped] /usr/lib64/vmware/nsx-exporter/nsx-exporter(2101503) /var/core/nsx-exporter-zdump.0002024-04-02T18:52:43.225Z In(14) vobd[2098026]: [UserWorldCorrelator] 213543013185us: [esx.problem.application.core.dumped] An application (/usr/lib64/vmware/nsx-exporter/nsx-exporter) running on ESXi host has crashed (1 time(s) so far). A core file may have been created at /var/core/nsx-exporter-zdump.000. Logs similar to the below will be observed on the ESXi host in var/run/logs/vmkernel.log 2024-04-02T18:52:41.442Z In(182) vmkernel: cpu76:2101643)User: 3238: nsx-exporter: wantCoreDump:nsx-exporter signal:11 exitCode:0 coredump:enabled2024-04-02T18:52:41.545Z In(182) vmkernel: cpu76:2101643)UserDump: 3072: nsx-exporter: Dumping cartel 2101503 (from world 2101643) to file /var/core/nsx-exporter-zdump.000 ...2024-04-02T18:52:43.225Z In(182) vmkernel: cpu67:2101643)UserDump: 3367: nsx-exporter: Userworld(nsx-exporter) coredump complete. Logs similar to the below indicating that the flow count exceeded the buffer will be observed in var/run/logs/nsx-syslog 2024-04-02T18:52:41.373Z In(182) nsx-exporter[2101503]: NSX 2101503 - [nsx@6876 comp="nsx-esx" subcomp="agg-service" >tid="2101643" level="INFO"] Flow count diffs in actual (27368) vs in FLOW_GET_NUMRECORDS (27367)
This issue occurs when the flow count exceeds the buffer.
This issue is very rare, and when the issue occurs the application will restart, so it is unlikely that much impact will be observed.
This is a known issue currently impacting NSX-T
Currently there is no workaround to this issue.
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