Chapter 1. Build controller observability

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Builds exposes several metrics to help you monitor the performance and functioning of your build resources. The build controller metrics are exposed on the port 8383.

1.1. Build controller metrics

You can check the following build controller metrics for monitoring purposes:

Table 1.1. Build controller metrics
Name	Type	Description	Labels	Status
`build_builds_registered_total`	Counter	The number of total registered builds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>`	experimental
`build_buildruns_completed_total`	Counter	The number of total completed build runs.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental
`build_buildrun_establish_duration_seconds`	Histogram	The build run establish duration in seconds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental
`build_buildrun_completion_duration_seconds`	Histogram	The build run completion duration in seconds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental
`build_buildrun_rampup_duration_seconds`	Histogram	The build run ramp-up duration in seconds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental
`build_buildrun_taskrun_rampup_duration_seconds`	Histogram	The build run ramp-up duration for a task run in seconds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental
`build_buildrun_taskrun_pod_rampup_duration_seconds`	Histogram	The build run ramp-up duration for a task run pod in seconds.	`buildstrategy=<build_buildstrategy_name>` `namespace=<buildrun_namespace>` `build=<build_name>` `buildrun=<buildrun_name>`	experimental

1.1.1. Histogram metrics

To use custom buckets for the build controller, you must set the environment variable for a particular histogram metric. The following table shows the environment variables for all histogram metrics:

Table 1.2. Histogram metrics
Metric	Environment variable	Default
`build_buildrun_establish_duration_seconds`	`PROMETHEUS_BR_EST_DUR_BUCKETS`	`0,1,2,3,5,7,10,15,20,30`
`build_buildrun_completion_duration_seconds`	`PROMETHEUS_BR_COMP_DUR_BUCKETS`	`50,100,150,200,250,300,350,400,450,500`
`build_buildrun_rampup_duration_seconds`	`PROMETHEUS_BR_RAMPUP_DUR_BUCKETS`	`0,1,2,3,4,5,6,7,8,9,10`
`build_buildrun_taskrun_rampup_duration_seconds`	`PROMETHEUS_BR_RAMPUP_DUR_BUCKETS`	`0,1,2,3,4,5,6,7,8,9,10`
`build_buildrun_taskrun_pod_rampup_duration_seconds`	`PROMETHEUS_BR_RAMPUP_DUR_BUCKETS`	`0,1,2,3,4,5,6,7,8,9,10`

Chapter 1. Build controller observability

1.1. Build controller metrics

1.1.1. Histogram metrics

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