ashwintumma23 commented on issue #16479:
URL: https://github.com/apache/druid/issues/16479#issuecomment-2688824295
@vipul-mykaarma ,
I see a few params that you have specified are not available for the
prometheus emitter. Can you check if the following basic options are working
for you? With the below configurations, I was able to see the `task_run_time`
metrics on the Prometheus endpoint.
* In `conf/druid/single-server/small/_common/common.runtime.properties`
```
druid.emitter=prometheus
druid.emitter.prometheus.addServiceAsLabel=true
druid.emitter.prometheus.addHostAsLabel=true
druid.emitter.prometheus.flushPeriod=5
druid.emitter.prometheus.port=8088
druid.emitter.logging.logLevel=debug
```
* In
`conf/druid/single-server/small/coordinator-overlord/runtime.properties`:
```
druid.monitoring.monitors=["org.apache.druid.java.util.metrics.JvmMonitor",
"org.apache.druid.server.metrics.TaskCountStatsMonitor"]
druid.emitter=prometheus
druid.emitter.prometheus.addServiceAsLabel=true
druid.emitter.prometheus.addHostAsLabel=true
druid.emitter.prometheus.flushPeriod=5
druid.emitter.prometheus.port=8089
druid.emitter.logging.logLevel=debug
```
* Prometheus Metrics Endpoint Result:
```
% curl http://localhost:8089/metrics | grep task | grep -v "#"
% Total % Received % Xferd Average Speed Time Time Time
Current
Dload Upload Total Spent Left Speed
100 27032 100 27032 0 0 13.1M 0 --:--:-- --:--:-- --:--:--
25.7M
druid_segment_added_bytes_total{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",}
6525055.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="0.1",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="0.25",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="0.5",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="0.75",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="1.0",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="2.5",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="5.0",}
0.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="7.5",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="10.0",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="30.0",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="60.0",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="120.0",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="300.0",}
1.0
druid_task_run_time_bucket{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",le="+Inf",}
1.0
druid_task_run_time_count{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",}
1.0
druid_task_run_time_sum{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",}
6.722
druid_task_success_count_total{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",}
1.0
druid_segment_added_bytes_created{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",}
1.740615766243E9
druid_task_run_time_created{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",taskType="index_parallel",}
1.740615766916E9
druid_task_success_count_created{dataSource="wikipedia",druid_service="druid/coordinator",host_name="localhost:8081",}
1.740615776999E9
```
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