ashwintumma23 commented on issue #17767:
URL: https://github.com/apache/druid/issues/17767#issuecomment-2691684351
Hi @applike-ss ,
I am using version 32.0.0, and when I try running a similar query, I do see
the lane information in the `LoggingEmitter` and `PrometheusEmitter`.
* Logging Emitter
```
2025-02-28T18:37:08,718 INFO [sql[8dda3ed0-7b14-4aa3-8ec9-a77cd8468a61]]
org.apache.druid.java.util.emitter.core.LoggingEmitter - [metrics]
{"feed":"metrics","metric":"query/priority","service":"druid/broker","host":"localhost:8082","type":"scan","version":"32.0.0","value":0,"dataSource":["wikipedia"],"lane":"lane4","timestamp":"2025-02-28T18:37:08.718Z"}
```
* Prometheus Emitter
* Currently `query/priority` metric is not listed in the
[defaultMetrics.json](https://github.com/apache/druid/blob/master/extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json)
file.
* I added the following record to my local file, ` "query/priority" : {
"dimensions" : ["lane", "dataSource", "type"], "type" : "count", "help":
"Query Priority Value."},` and now I do see the metric, as well as the lane
information.
```
$ curl http://localhost:8085/metrics | grep priority
# HELP druid_query_priority_total Query Priority Value.
# TYPE druid_query_priority_total counter
druid_query_priority_total{dataSource="_wikipedia_",druid_service="druid/broker",host_name="localhost:8082",lane="default",type="segmentMetadata",}
0.0
druid_query_priority_total{dataSource="_wikipedia_",druid_service="druid/broker",host_name="localhost:8082",lane="lane4",type="scan",}
0.0
```
* The query I used:
```
$ curl -X POST http://localhost:8082/druid/v2/sql -H "Content-Type:
application/json" \
-d '{
"query": "SELECT * FROM wikipedia LIMIT 1",
"context": {
"lane": "lane4"
}
}'
```
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