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vFlow Monitoring

vFlow monitoring collects all statistical and diagnostic information about the vFlow itself.

Metric Type API Key Protocol Description
udp.queue Gauge UDPQueue IPFIX UDP packets in queue
udp.rate Gauge UDPCount IPFIX UDP packets per second
decode.rate Gauge DecodedCount IPFIX Decoded packets per second
udp.mirror.queue Gauge UDPMirrorQueue IPFIX UDP packets in mirror's queue
mq.queue Gauge MessageQueue IPFIX Decoded message in mq's queue
mq.error.rate Gauge MQErrorCount IPFIX Message queue errors per second
udp.queue Gauge UDPQueue NetflowV9 UDP packets in queue
udp.rate Gauge UDPCount NetflowV9 UDP packets per second
decode.rate Gauge DecodedCount NetflowV9 Decoded packets per second
udp.mirror.queue Gauge UDPMirrorQueue NetflowV9 UDP packets in mirror's queue
mq.queue Gauge MessageQueue NetflowV9 Decoded message in mq's queue
mq.error.rate Gauge MQErrorCount NetflowV9 Message queue errors per second
udp.queue Gauge UDPQueue SFLOW UDP packets in queue
udp.rate Gauge UDPCount SFLOW UDP packets per second
decode.rate Gauge DecodedCount SFLOW Decoded packets per second
mq.queue Gauge MessageQueue SFLOW Decoded message in mq's queue
mq.error.rate Gauge MQErrorCount SFLOW Message queue errors per second
mem.heap.alloc Gauge MemHeapAlloc SYSTEM HeapAlloc is bytes of allocated heap objects
mem.alloc Gauge MemAlloc SYSTEM Bytes allocated and not yet freed
mcache.inuse Gauge MCacheInuse SYSTEM Bytes used by mcache structures
mem.total.alloc Counter MemTotalAlloc SYSTEM Bytes allocated
mem.heap.sys Gauge MemHeapSys SYSTEM Bytes obtained from system
num.goroutine Gauge NumGoRoutine SYSTEM The number of goroutines that currently exist

Grafana sample dashboard

Alt text

vFlow API

You can hit vFlow stats API directy to create your own monitoring

Flow API : http://localhost:8081/flow

{
   "IPFIX" : {
      "MessageQueue" : 0,
      "DecodedCount" : 733,
      "MQErrorCount" : 0,
      "UDPCount" : 733,
      "UDPMirrorQueue" : 0,
      "UDPQueue" : 0,
      "Workers" : 100
   },
   "NetflowV5" : {
      "MessageQueue" : 0,
      "DecodedCount" : 322,
      "MQErrorCount" : 0,
      "UDPCount" : 322,
      "UDPMirrorQueue" : 0,
      "UDPQueue" : 0,
      "Workers" : 50
   },
   "NetflowV9" : {
      "MessageQueue" : 0,
      "DecodedCount" : 562,
      "MQErrorCount" : 0,
      "UDPCount" : 562,
      "UDPMirrorQueue" : 0,
      "UDPQueue" : 0,
      "Workers" : 80
   },   
   "SFlow" : {
      "MessageQueue" : 0,
      "UDPCount" : 268,
      "MQErrorCount" : 0,
      "DecodedCount" : 253,
      "UDPQueue" : 0,
      "Workers" : 100
   },
   "StartTime" : 1490134512
}

System API : http://localhost:8081/sys

{
   "GCSys" : 450560,
   "MemTotalAlloc" : 11435376,
   "MCacheInuse" : 4800,
   "GCNext" : 5053510,
   "MemHeapReleased" : 0,
   "NumGoroutine" : 237,
   "GoVersion" : "go1.7.4",
   "NumLogicalCPU" : 4,
   "MaxProcs" : 4, 
   "GCLast" : "2017-03-21 22:17:50.923246779 +0000 UTC",
   "MemHeapAlloc" : 4151416,
   "MemAlloc" : 4151416,
   "StartTime" : 1490134512,
   "MemHeapSys" : 5734400
}

Configuration Keys - Command line

The monitor command line configuration contains the following keys

Key Default
db-type influxdb
vflow-host localhost:8081
influxdb-api-addr localhost:8086
influxdb-db-name vflow
tsdb-api-addr localhost:4242
hostname system hostname

crontab every 1 minute example:

* * * * * monitor -vflow-host 192.168.0.7 -influxdb-api-addr 192.168.0.15