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  5. 6.6.1 Selector Monitoring

6.6.1 Selector Monitoring

The following metrics are available on producer/consumer/connector/streams instances. For specific metrics, please see following sections.

METRIC/ATTRIBUTE NAMEDESCRIPTIONMBEAN NAME
connection-close-rateConnections closed per second in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
connection-close-totalTotal connections closed in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
connection-creation-rateNew connections established per second in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
connection-creation-totalTotal new connections established in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
network-io-rateThe average number of network operations (reads or writes) on all connections per second.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
network-io-totalThe total number of network operations (reads or writes) on all connections.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
outgoing-byte-rateThe average number of outgoing bytes sent per second to all servers.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
outgoing-byte-totalThe total number of outgoing bytes sent to all servers.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
request-rateThe average number of requests sent per second.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
request-totalThe total number of requests sent.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
request-size-avgThe average size of all requests in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
request-size-maxThe maximum size of any request sent in the window.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
incoming-byte-rateBytes/second read off all sockets.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
incoming-byte-totalTotal bytes read off all sockets.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
response-rateResponses received per second.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
response-totalTotal responses received.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
select-rateNumber of times the I/O layer checked for new I/O to perform per second.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
select-totalTotal number of times the I/O layer checked for new I/O to perform.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
io-wait-time-ns-avgThe average length of time the I/O thread spent waiting for a socket ready for reads or writes in nanoseconds.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
io-wait-ratioThe fraction of time the I/O thread spent waiting.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
io-time-ns-avgThe average length of time for I/O per select call in nanoseconds.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
io-ratioThe fraction of time the I/O thread spent doing I/O.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
connection-countThe current number of active connections.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
successful-authentication-rateConnections per second that were successfully authenticated using SASL or SSL.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
successful-authentication-totalTotal connections that were successfully authenticated using SASL or SSL.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
failed-authentication-rateConnections per second that failed authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
failed-authentication-totalTotal connections that failed authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
successful-reauthentication-rateConnections per second that were successfully re-authenticated using SASL.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
successful-reauthentication-totalTotal connections that were successfully re-authenticated using SASL.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
reauthentication-latency-maxThe maximum latency in ms observed due to re-authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
reauthentication-latency-avgThe average latency in ms observed due to re-authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
failed-reauthentication-rateConnections per second that failed re-authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
failed-reauthentication-totalTotal connections that failed re-authentication.kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)
successful-authentication-no-reauth-totalTotal connections that were successfully authenticated by older, pre-2.2.0 SASL clients that do not support re-authentication. May only be non-zero kafka.[producer|consumer|connect]:type=[producer|consumer|connect]-metrics,client-id=([-.\w]+)