Grafana kafka consumer group lag github. I spent a lot of time trying to get this to work, but fell short. You can track this using Kafka’s built-in command-line tools: bin/kafka-consumer-groups. Monitor Kafka Consumer Group Latency with Kafka Lag Exporter. The plugin will be installed into your grafana plugins directory; the default is /var/lib/grafana/plugins. 1:9092 ") -listen_address string http port where metrics are published (default ":10001 ") -metrics_url string URL where mettrics is accessible (default " /metrics Sep 28, 2023 · This repository was generated automatically based on a Shoreline Insights Runbook. Prometheus metrics can then be scraped from the /metrics path Apr 10, 2022 · and the alerting rules are defined in alerts. kafka with the following functionalities : GSSAPI config; enable/disable PA_FX_FAST; set a TLS server name; show the offset/lag for all consumer group or only the connected ones; set the minimum number of topics to monitor; enable/disable auto-creation of requested topics if they don't already exist Jun 19, 2020 · Kafka Consumer- Consumer applications subscribe to Kafka topics and pull messages out for processing it further. - kafka-lag-exporter-standalone/README. Monitoring Kafka consumer lag. assignment() and later method calls. It monitors committed offsets for all Reasons for Kafka consumer lag. idea In regards to #92, add a metric to represent a consumer group's total offset lag per topic. 1. Docker Compose with Kafka Lag Exporter + Grafana + Prometheus. The rdkafka-ruby lib wraps the {"payload":{"allShortcutsEnabled":false,"fileTree":{"grafana-dashboards":{"items":[{"name":"Kafka Consumer Offsets. In a nutshell, Kafka combines messaging, storage, and stream processing together. Prometheus Kafka + Logstash + Loki + Grafana Architecture Prerequisites Install docker Install docker-compose Configuration set kafka address add topics Change ID & Password For Grafana Start & Stop Start Stop README. Correct, you will see consumer group lag in kafka-consumer-groups. Head back to the Kafka dashboard. /kafka_consumer_exporter: -group value consumer-group and topics in the form of group1:topic1,topic2,topic3 etc -kafka_brokers string Comma-separated list of Kafka brokers (default " 127. yml. Compare. loki version：2. schemaregistry: Endereço de registro de esquema. May 7, 2019 · Introducing Kafka Lag Exporter, an OSS tool created by Lightbend's Sean Glover to make it easy to view consumer group metrics in Kafka using Kubernetes, Strimzi, Prometheus, Grafana, and other tools. prometheus alerts group for kafka producer/consumer lag - kafka-lag. Jan 30, 2024 · One of the critical metrics to track for Kafka consumers is the lag, which is the delta between the last message produced and the last message consumed. I'm musing kafka installed from confluence ansible and kafka_exporter v1. Apr 27, 2020 · kafka logo. - GitHub - terraform-shoreline-modules/terraform-shoreline-kafka-kafka-consumer An alternative is to implement a custom partition assignment strategy that considers the consumer group lag while assigning partitions. Labels: cluster_name, group, topic, consumer_id, member_host. rules: - alert: excessive_consumer_group_lag. SQL: sum (kafka_consumergroup_lag {consumergroup="consumergroupName",topic="topicName"}) by (consumergroup) But my result about kafka_consumergroup_lag is negative. Open. topic: Nome do tópico para verificação de integridade; {"payload":{"allShortcutsEnabled":false,"fileTree":{"jmxexporter-prometheus-grafana/assets/grafana/provisioning/dashboards":{"items":[{"name":"confluent-platform. Burrow is a monitoring companion for Apache Kafka that provides consumer lag checking as a service without the need for specifying thresholds. Nov 14, 2018 · result about kafka_consumergroup_lag is negative #76. Therefore the consumer offset can be higher than the partition high watermark. kafka_consumer_group_partition_lag{group, topic, partition} . kubectl apply -f kafka. It will show you a high level of data for the group as a whole, such as the status, the total lag, and the max lagging partition. Anything else we need to know?: Environment: Grafana version: HEAD(main@8de218d) Data source type & version: CloudWatch; OS Grafana is installed on: Linux; User OS & Browser: Mac/Chrome; Grafana plugins: N/A A script to collect metrics from Kafka consumer group offsets and lag outputs InfluxDB Line protocol. -i, --interval=<intervalMs>. It provides a metrics like kafka_consumergroup_group_lag with labels: cluster_name, group, topic, partition, member_host, consumer_id, client_id . Confluent Control Center provides a UI with “most important” metrics and allows teams to quickly understand and alert on what’s going on with the clusters. Apache Kafka, or simply Kafka, is a distributed data streaming platform commonly referred to as a messaging system. Instead Kafka itself utilizes an internal Kafka topic called __consumer_offsets. Visit Alerting > Notification Channels page and click Add Channel. Monitor Kafka Consumer Group Latency with Kafka Lag Exporter - seglo/kafka-lag-exporter Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more - tchiotludo/akhq The open and composable observability and data visualization platform. Four common reasons for consumer lag are (1) Incoming traffic surges, (2) Data skew in partitions, (3) Slow processing jobs, and (4) Errors in code and pipeline components. Feb 24, 2022 · Getting started. Getting started with the Grafana LGTM Stack. You switched accounts on another tab or window. burrowx is good integration with influxdb and grafana. Create the bar gauge visualisation using the query above. The _offset metrics were originally exported because the data was already available while calculating group lag. {"payload":{"allShortcutsEnabled":false,"fileTree":{"grafana":{"items":[{"name":"Kafka_Lag_Exporter_Dashboard. Kafka streaming with PostgreSql Installation via grafana-cli tool. Burrow is good at caliberating consumer offset and more importantly validate if the lag is malicious or not. [ENHANCEMENT] Use klog to replace glog, which can make kingpin flag parse correctly. Used to verify the hostname on the returned certificates unless tls. 1 where we saw compatibility issues when using the ruby-kafka based @kafka_group input type. Update prometheus. New metric: kafka_consumergroup_group_topic_lag Labels: cluster_name, group, topic The sum of the differ Apr 25, 2022 · Grafana agent can act as Kafka producer and can write spans into Kafka , and tempo can be consumer that read and stores the spans. Feb 2, 2024 · Go to Grafana Web UI. Open the local AKHQ URL to create a new connector. Note: This dashboard requires prometheus metrics provided by Kafka Minion: https Kafka Consumer Offsets for Redpanda. It can run anywhere, but it provides features to run easily on Kubernetes clusters against Strimzi Kafka clusters using the Prometheus and Grafana monitoring stack. Se não existir, basta fornecer um URL aleatório; kafka. Architecturally, the deployment looks like this: Four containers are used in the deployment: Producer: Generates synthetic Jun 24, 2019 · Steps to reproduce: Get a Kafka instance up and running on Aiven, backed by an InfluxDB instance containing Kafka metrics (also on Aiven) Create the InfluxDB data source within Grafana so that it can pull the data from the InfluxDB instance running in Aiven. The Kafka consumer, by default, sets up a consumer group to listen to the topic example: package main. sh output. Host and manage packages Security. md Oct 26, 2022 · I didn't use the kafka dashbord for a long time but now its seams that this metric is working. json {"payload":{"allShortcutsEnabled":false,"fileTree":{"grafana":{"items":[{"name":"Kafka_Lag_Exporter_Dashboard. 8+) based prometheus exporter for Kafka (0. Although you can see metrics such as lag from the command line tools, it does not mean that the metrics are exposed via JMX from the broker. json","path":"grafana/Kafka_Lag_Exporter_Dashboard. json spring-kafka metrics. A dashboard focusing on consumer offsets, with the following charts: consumer group offset lag (over time) consumer group offset (count) partitions (count) topic consumption rate by group (count) Client tool that exports the consumer lag of Kafka consumer groups to Prometheus or your terminal kotlin java kubernetes kafka monitoring native metrics grafana prometheus prometheus-exporter kafka-consumer cloud-native lag grafana-dashboard monitoring-tool graal-native consumer-lag graalvm-native-image Demo project for local docker compose setup of Kafka streaming with PostgreSql DB consumer, Grafana Dashboarding and Slack alert. json","path":"grafana-dashboards/Kafka Consumer Jun 8, 2017 · I ultimately want to be able to find out the lag in particular consumer groups. yml , replace the MACHINE_IP with your instance or system ip which you can check using. func (c * consumer) Backlog (int, error) { var n int // Get the current assigned partitions. TerrificMao opened this issue on Nov 14, 2018 · 15 comments. It is capable of publishing messages, storing and processing records in real-time. 9), your consumer will be managed in a consumer group, and you will be able to read the offsets with a Bash utility script supplied with the Kafka binaries. Install zookeeper. yml and kafka-1. 👍 7. More information on the cli tool. kafka_consumergroup_group_lag_seconds related graph is already defined at line 190. The result would be the lag for the provided consumer group. A simple, lightweight kafka offset monitor, currently metrics stored by influxdb. Oct 18, 2019 · Yes, I agree that the sum of lag being more useful than the max lag for monitoring standard operations of a streaming platform to see how far you are in aggregate. confluent. Match the following property values to the input fields. Import the dashboard template: Apr 27, 2022 · We can use the kafka-consumer-groups. Kafka Minion Dashboard Kafka Minion is a promethues exporter to monitor consumer group lags on a Kafka cluster. Real-time IT infrastructure monitoring with Kafka streaming, Prometheus monitoring system and Grafana interactive visualisation - GitHub - ebubeabara/real-time-streaming-with-kafka-prometheus-and-grafana: Real-time IT infrastructure monitoring with Kafka streaming, Prometheus monitoring system and Grafana interactive visualisation Once all the above is up and running we’re ready to create our new JDBC Source connector to produce database records onto Kafka. Using a max is compatible with the lag in seconds estimate too, but a sum wouldn't make sense. A potential case when lag > 0 is when consumer commits offsets which is not present(+1) in kafka topic yet (which is strange behavior btw). Read all consumer groups: . That's why only partitions belonging to [active] groups are reported. Then as you scroll down it breaks the status and lag out by every partition for the topic. kubectl apply -f zookeeper. my-group-01. Aug 27, 2017 · If you’re using the Kafka Consumer API (introduced in Kafka 0. while promtail consumer many many topic , speed can only to 12k/s， when i scale promtail to above 12 or 24 pod , sped can only to 13w/s（while promtail consume specific kafka topic can be 30w/s）, seems increase prometail can not up speed， why is that？. brokers: endereços do corretor kafka; kafka. md at master · cspinetta/kafka-lag-exporter-standalone Apr 25, 2018 · Kafka resource usage and consumer lag overview. c021e94. The LagBasedPartitionAssignor operates on a per-topic basis, and attempts to assign partitions such that lag is distributed evenly across a consumer group. These pods (consumer pods) will scale upon a Kafka event, specifically consumer group lag. In the GitHub repository Grafana Kafka Example, you’ll find all of the components you need to produce messages to a Kafka Broker, consume them using Promtail, and remote write them to Grafana Loki. Select the io. Jun 10, 2018 · For example, if this consumer is consuming from // topic "foo" and is assigned to partitions 0, 2, and 3, then the backlog will // be the log-end offset, minus the current offset, for all three partitions, // added together. 0 / 2022-08-24. Additional context It’s really common pattern to put Kafka as a buffer in different processing systems. Find and fix vulnerabilities Jul 15, 2021 · Create dashboard with CloudWatch as data source try, to find one of the above metrics on the list or try to find Consumer Lag dimension. Exporter will now, additionally, report a metric for kafka consumer lag as a unit of time. It seems like this exporter is not maintained anymore, hence I am currently writing my own Kafka exporter ⚠️ The in_rdkafka_group consumer was not yet tested under heavy production load. 3. Describe alternatives you've considered Jaeger can do that , but I would like to use grafana stack. yaml Apr 23, 2024 · Saved searches Use saved searches to filter your results more quickly . Very fast due to the native compilation by GraalVM Native Image. And click on the Back to the dashboard button on the right to return to the dashboard main page. this timespan plus the configured scrape interval for. -h, --help Show this help message and exit. This is repeated again at line 364. 6. Install Kafka integration for Grafana Cloud. Beside consumer group lags you can also see some topic or partition specific metrics such as the cleanup policy, partition count and the approximate number of messages (only reliable on delete policy). Use Confluent Control Center to monitor consumer latency. Step 1: Setup zookeeper & kafka. Designed to work with Telegraf exec plugin. – devshawn. Dashboard for metrics kafka LAG on the Burrow and Burrow Exporter Kafka versions: Supports all Kafka versions v0. Kafka’s own developer community is working on an implementation here. Monitoring Apache Kafka with Prometheus and Grafana - purbon/monitoring-kafka-with-prometheus Features. kafka_consumergroup_group_lag. 0. groups: - name: alerts. Use Java client metrics and the Kafka Admin API to monitor offset lag. /kafka-consumer-groups. Teams can monitor Kafka consumer lag with the consumer group script, Burrow (a Kafka monitoring companion), or We built it to get reliable (on duty) alerts on consumer group lags, but it turned out we can use the exported prometheus metrics to build a couple more useful dashboards - which eventually helped us figuring out some nasty irregularities (lots of consumer group offset commits by single groups, only specific partitions lagging behind, producers Host and manage packages Security. healthcheck. You signed out in another tab or window. All reactions kafka_consumer_group_offset{group, topic, partition} . Jun 16, 2019 · Consumer Group Data: Since Kafka version 0. Dec 16, 2022 · Kafka Lag Exporter. Kafka resource usage and consumer lag overview Improved over dashboard: 762. Note: it can take up to. We’ll demo how to get started using the LGTM Stack: Loki for logs, Grafana for visualization, Tempo for traces, and Mimir for metrics. Created additional function in collect to perform lag estimation Information about current produced offsets is added during consumer group metric collection Interpolation table is now separate file containing relevant struct and methods Prune added, which can be called at any time to iterate of the Jun 25, 2023 · Apache Kafka. Kubernetes Kafka Overview. Run with the -h flag to see details on all the available arguments. Apr 7, 2018 · Kubernetes Kafka Overview, Burrow consumer lag stats, Kafka disk usage - ignatev/burrow-kafka-dashboard docker exec-ti monitoring-demo_kafka_1 kafka-console-consumer. Overview. toppars, err:= c. Ready to ingest and viewing lag metrics. This is particularly useful when you don't have enough monitoring on your Kafka yet. The sum of the difference between the last produced offset and the last consumed offset of all partitions in this topic for this group. This requires kafka-exporter for consumer group level metrics. 1 and the problem exists because the partition high watermark is not necessarily up to date in contrast to the consumer group offset. Real-time metrics from Prometheus (consumer lag & read rate, replicas, topic size, messages in & out per second, connector tasks) Linking to external services for logging and analysis, such as Kibana, Grafana, Loki, AKHQ, Redpanda Console, and Elasticsearch; Customizable through Python plugins Kafka Lag Exporter . sh --bootstrap-server 127. 5. Revisions. First of all, we need to download ( https://github. In your Grafana Cloud stack, click Connections in the left-hand menu. tls. github","path":". 11+ Supported SASL mechanisms: plain, scram-sha-256/512, gssapi/kerberos; TLS support: TLS is supported, regardless whether you need mTLS, a custom CA, encrypted keys or just the trusted root certs; Consumer Group Lags: Number of messages a consumer group is lagging behind the latest offset Sep 16, 2019 · This metric is not related to a consumer group but more a producer and we use it to ensure that we are getting new messages into the topic. Jul 23, 2020 · The main idea was to have a docker compose with Kafka Lag Exporter, Prometheus and Grafana together, so that it can be quick and easy to get a dashboard for analyzing the consumer groups of a Kafka deployment. github","contentType":"directory"},{"name":". It provides more different kafka metrics. sh script provided with Kafka and run a lag command similar to this one: $ bin/kafka-consumer-groups. Motivated by Burrow, but much faster and cleaner and more stable. I will attach a zip archive containing a Jupyter notebook and HTML capture of it to show what I was trying. This dashboard is templated by consumer group and topic. I found no information was returned for Consumer. json kafka_consumergroup_group_topic_sum_lag. Oct 25, 2022 · ly123-liu commented on Nov 7, 2022. insecure-skip-tls-verify is given. cert-file. By default, it will bind to port 9208 and connect to Kafka on localhost:9092. Labels: cluster_name, group, partition, topic, member_host, consumer_id Aug 21, 2023 · Hello @eslam-gomaa, kui calculating lag as sum over all partitions (topic's end offset - consumer committed offset). hostname -i (linux) hostname (mac) Now install kafka brokers using. server-name. Aug 23, 2022. expr: kafka_consumergroup_lag_sum{topic="example"} > 10. Reviews. The optional certificate authority file for Kafka TLS client authentication. For each topic, we first obtain the lag on all partitions. Messages in that topic are binary and the protocol may change with broker upgrades. Kafka Lag Exporter makes it easy to view the offset lag and calculate an estimate of latency (residence time) of your Apache Kafka consumer groups. The lag of a consumer group behind the head of a given partition of a topic. Edit a graph and go to Alert Jan 24, 2019 · I am running Kafka 2. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more. yaml as. Set values and save the channel. Burrow Consumer Lag. It has integrations with pagerduty so that the alerts are pushed to the necessary parties. Mar 29, 2021 · Monitoring Your Event Streams: Tutorial for Observability Into Apache Kafka Clients. kafka. Broker configurations. A Kafka broker’s performance becomes a bottleneck in achieving the least possible lag in a Kafka system. Find and fix vulnerabilities Report Kafka consumer group lags to Prometheus. Rich metrics that show detailed consumer lags on both levels, on the consumer group level and on the consumer member level for more granularity. JdbcSourceConnector. jdbc. Nov 4, 2020 · Hi guys, Today I will explain how to configure Apache Kafka Metrics in Prometheus - Grafana and give information about some of the metrics. The latest committed offset of a consumer group in a given partition of a topic. edited. sh --zookeeper zookeeper --topic telegraf --max-messages 5 Using the ConsoleConsumer with old consumer is deprecated and will be removed in a future major release. Metrics are available for both, console and Prometheus. [FEATURE] Add option kafka. danielqsj. The kafka server's name should be given. Consumer lag is a combination of both offset lag and consumer latency. exporter. A producer must know which partition to write to, this is Simple Java (1. 1:9092 --list. connect. 4. Go to kafka. Reload to refresh your session. Jul 26, 2021 · Our Grafana Cloud integration, which is heavily based on this blog post from Confluent, provides dashboards for your Kafka Broker clusters, Zookeeper clusters, Kafka Connect clusters, Schema Registry clusters, and ksqldb clusters, along with a specific dashboard for topics information and consumption lag. This dashboard is templated by consumer group Aug 5, 2020 · Burrow is extremely effective and specialised in monitoring consumer lag. 1 promtail version ： main Kafka versions: Supports all Kafka versions v0. Kafka handles immense volumes of data where multiple clients can consume or publish messages on its topics. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":". Jan 25, 2019 · librdkafka_consumer_lag{consumerGroup="my-consumer-group-1"} Now click on the save button. We strongly recommend that you configure a separate user for the Agent, and give it only the strictly mandatory security privileges necessary for monitoring your node, as per the documentation. 10 Zookeeper is no longer in charge of maintaining the consumer group offsets. This, internally, calculates the lag via the __consumer_offsets topic. Use the grafana-cli tool to install the plugin from the commandline: grafana-cli plugins install hamedkarbasi93-kafka-datasource. I've deleted the partition and consumer group a couple of times, but it doesn't help. TerrificMao commented on Nov 14, 2018 •. API for new data, defaults to 500. - GitHub - grafana/grafana: The open and composable observability and data visualization platform. Max lag is good for spotting hot partitions quickly. rules. com Connect to Kafka using TLS. 11+ Supported SASL mechanisms: plain, scram-sha-256/512, gssapi/kerberos; TLS support: TLS is supported, regardless whether you need mTLS, a custom CA, encrypted keys or just the trusted root certs; Consumer Group Lags: Number of messages a consumer group is lagging behind the latest offset Aug 19, 2020 · Kafka only exposes a record to a consumer after it has been committed and each piece of data that comes in will be stacked on the cluster. You signed in with another tab or window. sh --bootstrap-server localhost:9092 --describe --group your_consumer_group. Use it at your own risk! With the introduction of the rdkafka-ruby based input plugin we hope to support Kafka brokers above version 2. import (. You can monitor Kafka consumer lag with Confluent Cloud using the Metrics API or the Cloud Console. v1. sh --bootstrap-server localhost: 9092 --describe --group console -consumer -15340. 1. This exporter uses the conventional consumer API to collect metrics from Kafka, so burrowx - kafka offset lag monitor,stored by influxdb. It is easy to set up and can run anywhere, but it provides features to run easily on Kubernetes clusters. Find and fix vulnerabilities $ kafka_consumer_exporter -h Usage of . idea","path":". Lag on a given partition is the difference between the end offset and the last offset committed by the consumer group. Actual Result: Apr 7, 2019 · 1. It should be kafka_consumergroup_group_lag Feb 7, 2021 · I've been experiencing consumer a consumer group not consuming from two partitions at random after a while (see image below). You can change these defaults as required by passing in arguments: > prometheus-kafka-consumer-group-exporter -p <port> -b <kafka nodes>. Assets 40. Prometheus and Grafana, on the other hand, provide a playground for creating dashboards pertaining spring-kafka消费端metrics. allow-auto-topic-creation to control whether auto-create topics which do not already exist, default is false. 10+) to exposes consumer&#39;s group offset information. For an example that showcases how to monitor You signed in with another tab or window. Aug 7, 2019 · This is a quick guide for autoscaling Kafka pods. ca-file. The consumer group lag metric will be exported to You signed in with another tab or window. Report interval (in milliseconds) used between querying Kafka. fh tl pq rv ys ya yw xx vp ge