Brokerwide Metrics

Table 21-2 shows the brokerwide metrics information that the broker reports.

Table 21-2 Brokerwide Metrics

Metrics Quantity	Description	Log File?	`metrics` `bkr`Metric Type	Metrics Topic
Connections
Num connections	Total current number of connections for all connection services	Yes	`cxn`	`mq.metrics.broker`
Num threads	Total current number of threads for all connection services	Yes	`cxn`	None
Min threads	Total minimum number of threads for all connection services	Yes	`cxn`	None
Max threads	Total maximum number of threads for all connection services	Yes	`cxn`	None
Stored Messages
Num messages	Current number of payload messages stored in memory and persistent store	No	None¹	`mq.metrics.broker`
Total message bytes	Total size in bytes of payload messages currently stored in memory and persistent store	No	None¹	`mq.metrics.broker`
Message Flow
Num messages in	Cumulative number of payload messages received since broker started	Yes	`ttl`	`mq.metrics.broker`
Num messages out	Cumulative number of payload messages sent since broker started	Yes	`ttl`	`mq.metrics.broker`
Rate messages in	Current rate of flow of payload messages into broker	Yes	`rts`	None
Rate messages out	Current rate of flow of payload messages out of broker	Yes	`rts`	None
Message bytes in	Cumulative size in bytes of payload messages received since broker started	Yes	`ttl`	`mq.metrics.broker`
Message bytes out	Cumulative size in bytes of payload messages sent since broker started	Yes	`ttl`	`mq.metrics.broker`
Rate message bytes in	Current rate of flow of payload message bytes into broker	Yes	`rts`	None
Rate message bytes out	Current rate of flow of payload message bytes out of broker	Yes	`rts`	None
Num packets in	Cumulative number of payload and control packets received since broker started	Yes	`ttl`	`mq.metrics.broker`
Num packets out	Cumulative number of payload and control packets sent since broker started	Yes	`ttl`	`mq.metrics.broker`
Rate packets in	Current rate of flow of payload and control packets into broker	Yes	`rts`	None
Rate packets out	Current rate of flow of payload and control packets out of broker	Yes	`rts`	None
Packet bytes in	Cumulative size in bytes of payload and control packets received since broker started	Yes	`ttl`	`mq.metrics.broker`
Packet bytes out	Cumulative size in bytes of payload and control packets sent since broker started	Yes	`ttl`	`mq.metrics.broker`
Rate packet bytes in	Current rate of flow of payload and control packet bytes into broker	Yes	`rts`	None
Rate packet bytes out	Current rate of flow of payload and control packet bytes out of broker	Yes	`rts`	None
Destinations
Num destinations	Current number of physical destinations	No	None	`mq.metrics.broker`

¹ Use query bkr command instead

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