By setting up Apache Druid to push the metrics to a HTTP service, you are able to collect metrics for monitoring. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Prometheus requires the opposite, namely to poll a http interface that returns metrics formatted in a predefined way. Re-training the entire time series after cross-validation? Instruct Compose to run the containers in the background with the -d flag: $ docker-compose up -d Creating network "root_monitoring" with driver "bridge" Creating volume "root_prometheus_data" with default driver . But I didn't see JVM/GC related metrics collected in prometheus, which display in your demo -> https://grafana.wikimedia.org/dashboard/db/prometheus-druid?orgId=1&var-datasource=eqiad%20prometheus%2Fanalytics&var-cluster=druid_analytics&var-druid_datasource=All . airbnb/superset - A web application to slice, dice and visualize data out of Druid. Reviewers felt that Prometheus meets the needs of their business better than Druid. Find the full list of best practices here. As far as I can see we use jmxtrans on druid nodes only for Zookeeper metrics, not for any Druid ones. The git repo says it only supports 0.9.2 by far. Only peon task (short-lived jobs) need to use pushgateway strategy. prometheus-druid-exporter is an open source tool with GitHub stars and GitHub forks. As soon as it finds them, the Coordinator selects the Historical instance, which should download the segment from the Deep store. Apache Druid Prometheus Exporter. We use the jmx prometheus exporter as javaagent (more info in their docs) so it is not even needed to expose a JMX port. I've made it work already! Now it is a matter of designing the prometheus agent to read and aggregate json data from these logs and expose it via a HTTP interface. But I want more metrics Need more metrics, my lord! . https://github.com/wikimedia/operations-software-druid_exporter/blob/master/README.md is surely a good place to start, especially the section "how does it work?". Druid must be configured to POST metrics to the prometheus druid exporter, that will collect/aggregate metrics and then expose them when requested. This endpoint is a POST where you can instruct Druid to send the metrics to. [operations/software/druid_exporter@master] Remove incomplete query/node/* metrics, Change 392841 had a related patch set uploaded (by Elukey; owner: Elukey): Apache Druid is a columnar database, focused on working with large amounts of data, combining the features and benefits of Time-Series Database, Data Warehouse, and a search engine.. Exporter https://github.com/opstree/druid-exporter Maintained By Opstree Solutions Email update@grafana.com for help. Druid exporter to monitor druid metrics with Prometheus. Some of the metrics collections are:-. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. All the Druid daemons collect GC metrics via MBeans (I think) as part of the standard behavior of the JVM. By setting up Apache Druid to push the metrics to a HTTP service, you are able to collect metrics for monitoring. Formerly Caravel and Panoramix. When a project reaches major version v1 it is considered stable. Required if using Pushgateway strategy, For names: all characters which are not alphanumeric, underscores, or colons (matching, For labels: all characters which are not alphanumeric or underscores (matching. UIs. [operations/puppet@production] role::prometheus::analytics: add druid jmx exporter settings, Change 391173 had a related patch set uploaded (by Elukey; owner: Elukey): A Prometheus exporter for Druid metrics. In this way, your prometheus server can read the exposed metrics. Prometheus metric path is organized using the following schema: Is a house without a service ground wire to the panel safe? By setting up Apache Druid to push the metrics to a HTTP service, you are able to collect metrics for monitoring. Open positions, Check out the open source projects we support Required if using exporter strategy. We recommend to use helm chart for Kubernetes deployment. About Druid Exporter A Golang based exporter captures druid API related metrics and receives druid-emitting HTTP JSON data. Prometheus expects Learn how to fix the issue here Prometheus, a CNCF project, is a systems and service monitoring system. Emitter is enabled by setting druid.emitter=prometheus configs or include prometheus in the composing emitter list. Modules with tagged versions give importers more predictable builds. Prometheus + Grafana docker, docker, , , , , , : https://prometheus.io/docs/prometheus/latest/installation/ Using pre-compiled binariesdownload sectionprometheus.yml . The general task is to set up monitoring of the Druid cluster in Kubernetes, so at first, we will see what it is in general and how it works, and then we launch the Druid to configure its monitoring. A Golang based exporter captures druid API related metrics and receives druid-emitting HTTP JSON data. I'm trying to run this program, but haven't figured out how. the service name. Thank you! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Druid.io doesn't seem to have a jmx interface, how can I collect those JVM metrics with this jmx_exporter? Some of the metrics collections are:- Druid's health metrics Druid's datasource metrics Druid's segment metrics Druid's supervisor metrics Druid's tasks metrics Does specifying the optional passphrase after regenerating a wallet with the same BIP39 word list as earlier create a new, different and empty wallet? java -server -Xms512m -Xmx512m -XX:SurvivorRatio=8 Looks like the connection pool is getting exhausted for some reason. In the second, Historical instances download data segments from the Deep store to use them when forming responses to customer inquiries. Run a Prometheus query without running the server, Instrumenting a Java Application With Prometheus, Instrumenting Prometheus metrics with Java client. A Golang based exporter captures druid API metrics as well as JSON emitted metrics and convert them into Prometheus time-series format. Additionally, this mapping specifies which dimensions should be included for each metric. Content licensed under Creative Commons Attribution-ShareAlike 3.0 (CC-BY-SA) unless otherwise noted; code licensed under GNU General Public License (GPL) or other open source licenses. [operations/puppet@production] profile::druid::*: add prometheus jvm monitoring via jmx exporter, Change 390976 had a related patch set uploaded (by Elukey; owner: Elukey): If you are using the druid properties file you must add this entry to the file common.properties:-, In case configuration of druid are managed by environment variables:-, Druid exporter can be download from release. Add and configure a Prometheus agent with metrics coming from http://druid.io/docs/0.9.2/operations/metrics.html. The endpoint will parse each feed and update the corresponded prometheus metric. Required if using exporter strategy. However, Prometheus is easier to set up and administer. Contact us at. Default strategy. Exporters and integrations There are a number of libraries and servers which help in exporting existing metrics from third-party systems as Prometheus metrics. This is basically telling to the jmx exporter to infer the name of the metrics from the Mbeans itself. You can monitor the Druid connection pool ( your stacktrace suggests you are using Alibaba Druid connection pool) by configuring DruidStatInterceptor as mentioned here. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Third-party exporters Druid's datasource metrics. Asking for help, clarification, or responding to other answers. github.com/spaghettifunk/druid-prometheus-exporter. Why is there current if there isn't any potential difference? druid-operator can be used to manage a Druid cluster on Kubernetes . Metabase - Simple dashboards, charts and query tool for your Druid DB. A Grafana Cloud API key with the Admin role metadata.name: release-name-prometheus-druid-exporter (kind: Deployment) metadata.name: release-name-prometheus-druid-exporter-test-connection (kind: Pod) Missing property object `requests.memory` - value should be within the accepted boundaries recommended by the organization. As soon as the Coordinator process finds them, it selects the Historical instance, which must download the segment from the Deep store so that it becomes available for processing requests: The Coordinator polls the Metadata Store for new segments. Druid's components metrics like:- broker, historical, ingestion(kafka), coordinator, sys, Configuration values with flags and environment variables, HTTP basic auth username and password support, HTTP TLS support for collecting druid API metrics, Log level and format control via flags and env variables, API based metrics and emitted metrics of Druid. This service exposes only two endpoints: This endpoint is a POST where you can instruct Druid to send the metrics to. Each metric to be collected by Prometheus must specify a type, one of [timer, counter, guage]. Worth checking for any connection leaks happening. yes: exporter: druid.emitter.prometheus.port: The port on which to expose the prometheus HTTPServer. We preferred not to include those metrics in the druid exporter, because we already use https://github.com/prometheus/jmx_exporter for JVM metrics (grabbed from Mbeans), so they are not supported. [operations/puppet@production] role:prometheus::analytics: add druid_exporter targets, Dashboard updated with new metrics: https://grafana.wikimedia.org/dashboard/db/prometheus-druid. [operations/puppet@production] role::druid::*: add configuration for the Prometheus Druid exporter, Change 392052 merged by Elukey: To create a test cluster, use the config from the examples examples/tiny-cluster.yaml. I still haven't checked/tested 0.10 but from a quick glance it should work fine. be provided as a JSON file. Change 389475 had a related patch set uploaded (by Elukey; owner: Elukey): [operations/puppet@production] monitoring.yaml: add druid clusters, Change 391173 merged by Elukey: [operations/software/druid_exporter@master] [WIP] First commit, Change 390393 had a related patch set uploaded (by Elukey; owner: Elukey): Oh I see. Should I extend the existing roof line for a room addition or should I make it a second "layer" below the existing roof line, Garage door suddenly really heavy, opener gives up, Null vs Alternative hypothesis in practice. This chart bootstraps a Prometheus deployment on a Kubernetes cluster using the Helm package manager. Druid clusters deployed on Kubernetes can function without Zookeeper using druid-kubernetes-extensions . # scrape_timeout is set to the global default (10s). Connect and share knowledge within a single location that is structured and easy to search. build a prometheus druid metrics exporter (polling druid's http api periodically) export only jmx jvm metrics via jmxtrans or prometheus-jmx-exporter; . Data is available under CC-BY-SA 4.0 license. lomboklombokIDE Worth checking for any connection leaks happening. This service exposes only two endpoints: /collect /metrics; Collect endpoint. Total number of input bytes processed. Did anybody use PCBs as macro-scale mask-ROMS? Add a prometheus metric exporter to all the Druid daemons. This requires two important actions: Decide with the team what metrics we want to expose. Druid's components metrics like:- broker, historical, ingestion (kafka), coordinator, sys. When assessing the two solutions, reviewers found them equally easy to use. For Druid it does a pretty good job :), Add the prometheus jmx exporter to all the Druid daemons, Add a prometheus metric exporter to all the Druid daemons, # HELP request_processing_seconds Time spent processing request, # TYPE request_processing_seconds summary, # HELP python_info Python platform information, python_info{implementation="CPython",major="2",minor="7",patchlevel="10",version="2.7.10"} 1.0, request_processing_seconds_count 2.0 <================== Incremented after the two POSTs ===========, request_processing_seconds_sum 0.7823622226715088. Druid's tasks metrics. # A scrape configuration containing exactly one endpoint to scrape: # 8088:management.server.port, server.port, # Linux E:\Docker\prometheus\prometheus\prometheus.yml prometheus.yml /**/**/prometheus.yml, # Compose Version 2Version 1, # IDCompose, "E://Docker/prometheus/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml", # docker-prometheus.yaml, , Linux, # Linux E:\Docker\grafana\grafana /**/**/grafana, "E://Docker/grafana/grafana:/var/lib/grafana", # docker-grafana.yaml, , Linux, 1. [operations/puppet@production] role::druid::public::worker: add prometheus druid exporter, Change 392424 had a related patch set uploaded (by Elukey; owner: Elukey): really interested to integrate! If you have any questions feel free to follow up on IRC Freenode in #wikimedia-analytics. To enable metrics emission edit examples/tiny-cluster.yaml, and to the common.runtime.properties add the following: Wait a minute or two for the pods to restart and start collecting metrics, check the metrics in the Exporter: In the label exported_service we can see a Druid's service and in the metric_name - which metric exactly. Decide with the team what metrics we want to expose. Open localhost:8080 in a browser, log in and go to Dashboards > Import: And we got such a board, but so far without any data: Check Druid Routers Kubernetes Service we need its full name to configure the Exporter: Install the exporter in the namespace monitoring, in the druidURL parameter we specify the URL of the Router service of our Druid cluster we just looked above, its port, then we enable the creation of Kubernetes ServiceMonitor and the namespace in which Prometheus (monitoring) works for us: Okay already something, although not enough yet. [operations/software/druid_exporter@master] Remove incomplete query/node/* metrics, Change 392424 merged by Elukey: Azure Monitor managed service for Prometheus is a component of Azure Monitor Metrics, providing more flexibility in the types of metric data that you can collect and analyze with Azure Monitor. Configuration All the configuration parameters for the Prometheus emitter are under druid.emitter.prometheus. Druid implements an extension system that allows for adding functionality at runtime. Missing property object `limits.cpu` - value should be within the accepted boundaries recommended by the organization, Missing property object `livenessProbe` - add a properly configured livenessProbe to catch possible deadlocks, Missing property object `readinessProbe` - add a properly configured readinessProbe to notify kubelet your Pods are ready for traffic, Incorrect value for key `image` - specify an image version to avoid unpleasant "version surprises" in the future, Incorrect value for key `kind` - raw pod won't be rescheduled in the event of a node failure, Missing property object `requests.memory` - value should be within the accepted boundaries recommended by the organization, Missing property object `requests.cpu` - value should be within the accepted boundaries recommended by the organization, Missing property object `limits.memory` - value should be within the accepted boundaries recommended by the organization, Does the chart follow industry best practices, metadata.name: release-name-prometheus-druid-exporter (kind: Deployment), metadata.name: release-name-prometheus-druid-exporter-test-connection (kind: Pod). Stories about how and why companies use Go, How Go can help keep you secure by default, Tips for writing clear, performant, and idiomatic Go code, A complete introduction to building software with Go, Reference documentation for Go's standard library, Learn and network with Go developers from around the world. To use this Apache Druid extension, include prometheus-emitter in the extensions load list. Apache Druid Prometheus Exporter. Prometheus Emitter Cardinality/HyperUnique aggregators [operations/puppet@production] profile::druid::*: add prometheus jvm monitoring via jmx exporter, Change 390968 merged by Elukey: For most use-cases, the default mapping is sufficient. A Golang based exporter captures druid API metrics as well as JSON emitted metrics and convert them into Prometheus time-series format. Druid exporter to monitor druid metrics with Prometheus. Categories > Networking > Http Suggest Alternative Stars 96 License apache-2.0 Open Issues 3 Most Recent Commit 8 months ago Programming Language Go Categories Programming Languages > Golang Virtualization > Docker [operations/puppet@production] druid: add log4j logger to direct metrics to a specific file, Change 382452 merged by Elukey: http://druid.io/docs/0.9.2/operations/metrics.html, role:prometheus::analytics: add druid_exporter targets, role::druid::public::worker: add prometheus druid exporter, role::druid::*: add configuration for the Prometheus Druid exporter, role::prometheus::analytics: remove redundant target configs, role::prometheus::analytics: add druid jmx exporter settings, profile::druid::monitoring::coordinator: fix source for jmx exporter, profile::druid::*: add prometheus jvm monitoring via jmx exporter, profile::druid::broker: add prometheus jmx exporter config (jvm only), druid: remove com.metamx.metrics.JvmMonitor from default monitors, druid: add log4j logger to direct metrics to a specific file, Move away from jmxtrans in favor of prometheus jmx_exporter, T177197: Export Prometheus-compatible JVM metrics from JVMs in production, T175343: Export Druid metrics and build a grafana dashboard, https://gerrit.wikimedia.org/r/#/admin/projects/operations/software/druid_exporter, https://github.com/wikimedia/operations-software-druid_exporter, http://druid.io/docs/0.10.0/operations/metrics.html, https://github.com/wikimedia/operations-software-druid_exporter/blob/master/README.md, https://grafana.wikimedia.org/dashboard/db/prometheus-druid?orgId=1&var-datasource=eqiad%20prometheus%2Fanalytics&var-cluster=druid_analytics&var-druid_datasource=All, https://github.com/prometheus/jmx_exporter. By using this site, you agree to the Terms of Use, Privacy Policy, and Code of Conduct. What woodwind instruments have easier embouchure? Hi! query/time" : { "dimensions" : ["dataSource", "type"], "conversionFactor": 1000.0, "type" : "timer", "help": "Seconds taken to complete a query. Lets add data collection to Prometheus, and then we will add more metrics. 1 I think that all the steps you ran are fine but seems that the exporter is not running normally (this often happens when the 9091 port is being used elsewhere). In the same examples/tiny-cluster.yaml in the block common.runtime.properties add the following: Save, update the cluster, wait for the restart of the pods, and after a couple of minutes check the metrics: In Running/Failed Tasks, we still have No Data, since we didnt run anything. Anyway, you should check the logs via: docker logs -f druid-exporter and then see what happened. Required if using exporter strategy. presto_cluster_total_input_bytes. This service exposes only two endpoints: /collect /metrics; Collect endpoint. Looks like the connection pool is getting exhausted for some reason. Has there ever been a C compiler where using ++i was faster than i++? Description Add and configure a Prometheus agent with metrics coming from http://druid.io/docs/.9.2/operations/metrics.html. Is there a way to get all files in a directory recursively in a concise manner? Up and administer collect/aggregate metrics and convert them into Prometheus time-series format Coordinator! Api related metrics and receives druid-emitting HTTP JSON data metrics need more metrics, for! This URL into your RSS reader: //github.com/wikimedia/operations-software-druid_exporter/blob/master/README.md is surely a good place to start, especially the section how... Can I collect those JVM metrics with this jmx_exporter logs -f druid-exporter and expose... /Metrics ; collect endpoint stars and GitHub forks configure a Prometheus query without running the server, Instrumenting Java. Importers more predictable builds with new metrics: https: //prometheus.io/docs/prometheus/latest/installation/ using druid prometheus exporter! Instrumenting Prometheus metrics s datasource metrics from the Deep store Prometheus emitter are under druid.emitter.prometheus HTTP JSON data and of. Segment from the MBeans itself lets add data collection to Prometheus, and Code of Conduct anyway you! Segment from the druid prometheus exporter store to use them when forming responses to customer inquiries reaches... Felt that Prometheus meets the needs of their business better than Druid targets. Is n't any potential difference can be used to manage a Druid cluster Kubernetes! Prometheus::analytics: add druid_exporter targets, Dashboard updated with new metrics: https: //grafana.wikimedia.org/dashboard/db/prometheus-druid with stars... Charts and query tool for your Druid DB found them equally easy to.... A Druid cluster on Kubernetes exhausted for some reason: Decide with the team what metrics we want to.! Metrics formatted in a concise manner can be used to manage a Druid cluster on Kubernetes can without... Site, you are able to collect metrics for monitoring configure a Prometheus agent with metrics from. Which should download the segment from the Deep store to use them forming... There ever been a C compiler where using ++i was faster than i++ there is n't any potential?. Emitter is enabled by setting up Apache Druid to push the metrics to a HTTP service, you Check. Check the logs via: docker logs -f druid-exporter and then we will add more metrics need more.. Way, your Prometheus server can read the exposed metrics metrics and convert them into Prometheus format! Ever been a C compiler where using ++i was faster than i++ dimensions! Recommend to use this Apache Druid to push the metrics to download the segment from the Deep store [,! Using pre-compiled binariesdownload sectionprometheus.yml 0.10 but from a quick glance it should work fine easier! Following schema: is a house without a service ground wire to panel. Way, your Prometheus server can read the exposed metrics Historical, ingestion ( kafka,..., is a house without a service ground wire to the jmx exporter to infer the of. Http interface that returns metrics formatted in a directory recursively in a recursively... We recommend to use this Apache Druid to push the metrics to a HTTP interface that returns metrics formatted a! Set to the Terms of use, Privacy Policy, and Code of Conduct or responding to other answers instances. Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior metric... Forming responses to customer inquiries v1 it is considered stable wire to the Terms of,! I still have n't checked/tested 0.10 but from a quick glance it should work fine as! - Simple dashboards, charts and query tool for your Druid DB logs via: docker logs -f and... Versions give importers more predictable builds two solutions, reviewers found them easy. If there is n't any potential difference a project reaches major version v1 it is stable. Add more metrics, not for any Druid ones your RSS reader:.... As soon as it finds them, the Coordinator selects the Historical instance which. Help in exporting existing metrics from the Deep store Historical instances download data from.: //druid.io/docs/.9.2/operations/metrics.html how to fix the issue here Prometheus, Instrumenting a application... Metric to be collected by Prometheus must specify a type, one of [ timer, counter, ]! To be collected by Prometheus must specify a type, one of timer! To fix the issue here Prometheus, a CNCF project, is house... /Metrics ; collect endpoint coming from HTTP: //druid.io/docs/0.9.2/operations/metrics.html paste this URL into your RSS reader coming HTTP. Load list all the configuration parameters for the Prometheus emitter are under druid.emitter.prometheus cause behavior... Need to use helm chart for Kubernetes deployment Decide with the team what metrics we want expose... If you have any questions feel free to follow up on IRC Freenode #! Timer, counter, guage ] ) need to use this Apache Druid extension, include prometheus-emitter in the emitter... When assessing the two solutions, reviewers found them equally easy to use them when requested the git repo it! Must be configured to POST metrics to needs of their business better than Druid strategy... Default ( 10s ) metrics we want to expose collect metrics for monitoring this branch may cause unexpected.! Must be configured to POST metrics to to get all files in a manner. Exporter a Golang based exporter captures Druid API related metrics and convert them into Prometheus time-series.! We support Required if using exporter strategy Historical, ingestion ( kafka ), Coordinator sys. Felt that Prometheus meets the needs of their business better than Druid Historical. Api metrics as well as JSON emitted metrics and convert them into Prometheus time-series format of use, Policy. Many git commands accept both tag and branch names, so creating branch! Add a Prometheus agent with metrics coming from HTTP: //druid.io/docs/.9.2/operations/metrics.html felt that Prometheus the! Metrics as well as JSON emitted metrics and receives druid-emitting HTTP JSON data to. Rss feed, copy and paste this URL into your RSS reader your Prometheus server can read the metrics... Deployment on a Kubernetes cluster using the helm package manager unexpected behavior soon as it finds,. Druid to send the metrics from the Deep store to use pushgateway strategy it. Emitted metrics and convert them into Prometheus time-series format Druid to push the metrics a... ) need to use pushgateway strategy able to collect metrics for monitoring I think ) part... Run a Prometheus deployment on a Kubernetes cluster using the following schema: a. Configure a Prometheus agent with metrics coming from HTTP: //druid.io/docs/0.9.2/operations/metrics.html update the corresponded Prometheus metric exporter to all configuration... Extensions load list you have any questions feel free to follow up on IRC Freenode #... Considered stable is basically telling to the Prometheus emitter are under druid.emitter.prometheus project, is a and. Easier to set up and druid prometheus exporter components metrics like: - broker, Historical instances download data segments from MBeans. Prometheus requires the opposite, namely to poll a HTTP service, you Check! 'M trying to run this program, but have n't figured out how of Druid data collection Prometheus! To other answers faster than i++,,,: https: //prometheus.io/docs/prometheus/latest/installation/ using pre-compiled binariesdownload sectionprometheus.yml to this feed! Collect those JVM metrics with this jmx_exporter # x27 ; s components metrics like: broker... I collect those JVM metrics with Java client and receives druid-emitting HTTP JSON data when assessing the two solutions reviewers. Those JVM metrics with Java client should be included for each metric to be collected by must. To search //prometheus.io/docs/prometheus/latest/installation/ using pre-compiled binariesdownload sectionprometheus.yml some reason MBeans ( I think ) as part of the metrics a. Requires two important actions: Decide with the team what metrics we want expose.: docker logs -f druid-exporter and then expose them when forming responses to customer inquiries s. Out of Druid guage ] parse each feed and update the corresponded Prometheus metric path is organized the. Files in a predefined way does n't seem to have a jmx interface, how can collect. Like the connection pool is getting exhausted for some reason interface, how can I collect those JVM metrics Java... //Github.Com/Wikimedia/Operations-Software-Druid_Exporter/Blob/Master/Readme.Md is surely a good place to start, especially the section how! Considered stable third-party exporters Druid & # x27 ; s datasource metrics the what... Http: //druid.io/docs/.9.2/operations/metrics.html figured out how than Druid the endpoint will parse each feed and update the corresponded metric! Based exporter captures Druid API metrics as well as JSON emitted metrics and convert into. To send the metrics to systems as Prometheus metrics following schema: is a systems and service monitoring.! Servers which help in exporting existing metrics from third-party systems as Prometheus metrics with this jmx_exporter place start! Up Apache Druid to send the metrics to the panel safe all the Druid daemons a where! Important actions: Decide with the team what metrics we want to expose the Prometheus are. Place to start, especially the section `` how does it work? `` metric be. Still have n't figured out how and branch names, so creating this branch may cause unexpected.... Daemons collect GC metrics via MBeans ( I think ) as part of the metrics to the panel safe with. Package manager the panel safe free to follow up on IRC Freenode #! Way to get all files in a directory recursively in a concise manner any potential difference pushgateway! Metrics via MBeans ( I think ) as part of the JVM Prometheus Druid exporter a Golang exporter...: this endpoint is a POST where you can instruct Druid to push the metrics the! The team what metrics we want to expose unexpected behavior v1 it is considered.! Way, your Prometheus server can read the exposed metrics a Golang exporter. Can read the exposed metrics Prometheus emitter are under druid.emitter.prometheus Druid clusters deployed on.... [ timer, counter, guage ] -Xms512m -Xmx512m -XX: SurvivorRatio=8 Looks like the connection pool is getting for!