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Reliable Transport Monitoring

Metrics

The table below includes a list of all the metrics available:

metric name type description component node
kxi_rt_seq_leader gauge Leadership status of node sequencer all
kxi_rt_in_bytes_total counter Count of input bytes sequenced sequencer leader
kxi_rt_in_messages_total counter Count of input messages sequenced sequencer leader
kxi_rt_in_bytes counter Count of input bytes sequenced per directory sequencer leader
kxi_rt_in_messages counter Count of input messages sequenced per directory sequencer leader
kxi_rt_out_bytes_total counter Count of bytes merged merger all
kxi_rt_out_messages_total counter Count of messages merged merger all
kxi_out_bytes counter Count of bytes merged per directory merger all
kxi_out_messages counter Count of messages merged per directory merger all
kxi_rt_merge_queue_size gauge Merge instructions waiting in queue merger all

Note

  • As well as exporting the total number of messages and bytes transferred (*_total metrics), RT exports the number of messages and bytes transferred per publisher, using a directory label set to session name.

  • The sequencer leader metric is set on restart/leader change, therefore it is always up to date. The other sequencer metrics are updated every second, but only on the leader node and should be ignored for all other nodes.

  • The merger metrics are all updated every second for all nodes.