lechindianer/kafkaex-lag-exporter
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Pascal Schmid
2024-04-16 08:09:41 +02:00
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# KafkaexLagExporter
# KafkaExLagExporter
This project will collect Kafka consumer lag and provide them via Prometheus.
## Metrics
[Prometheus](https://prometheus.io/) is a standard way to represent metrics in a modern cross-platform manner. KafkaexLagExporter exposes several metrics as an HTTP endpoint that can be readily scraped by Prometheus.
[Prometheus](https://prometheus.io/) is a standard way to represent metrics in a modern cross-platform manner.
KafkaExLagExporter exposes several metrics as an HTTP endpoint that can be readily scraped by Prometheus.
**`kafka_consumergroup_group_topic_sum_lag`**
Labels: `cluster_name, group, topic, consumer_id, member_host`
The sum of the difference between the last produced offset and the last consumed offset of all partitions in this topic for this group.
The sum of the difference between the last produced offset and the last consumed offset of all partitions in this
topic for this group.
**`kafka_consumergroup_group_lag`**
Labels: `cluster_name, group, partition, topic, member_host, consumer_id`
The difference between the last produced offset and the last consumed offset for this partition in this topic partition for this group.
The difference between the last produced offset and the last consumed offset for this partition in this topic
partition for this group.
## Start
```bash
docker run -ti --net="host" -e KAFKA_BROKERS=localhost:9093,localhost:9094,localhost:9095 lechindianer/kafkaex_lag_exporter:0.2.0
docker run -ti --net="host" -e KAFKA_BROKERS=localhost:9093,localhost:9094,localhost:9095 -p 4000:4000 \
lechindianer/kafkaex_lag_exporter:0.2.0
```
Now you can check the exposed metrics at [localhost:4000](localhost:4000).
Now you can check the exposed metrics at [http://localhost:4000](http://localhost:4000).
## Developing
@@ -41,7 +45,7 @@ KafkaexLagExporter:
docker-compose up --build
```
Kowl is served at [localhost:8080](localhost:8080).
Kowl is served at [http://localhost:8080](http://localhost:8080).
### Tests
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Source is on [Gitlab](https://gitlab.com/lechindianer/kafkaex-lag-exporter).
The initial project [Kafka Lag Exporter](https://github.com/seglo/kafka-lag-exporter) was a huge inspiration for me creating my first real Elixir project. Thank you!
The initial project [Kafka Lag Exporter](https://github.com/seglo/kafka-lag-exporter) was a huge inspiration for me
creating my first real Elixir project. Thank you!