Curl kafka
Curl kafka. Apr 24, 2021 · Assuming kafka REST Proxy runs on localhost:8082, here are sample curl to publish message to kafka. xml example, refer to this pom. These are currently only available in the Kafka 0. For example, to publish to topic Kafka REST Proxy. The output will be elasticsearch. Since Kafka Connect is intended to be run as a service, it also supports a REST API for managing connectors. Start a connector using REST API call curl -X POST -H "Content-Type… Aug 16, 2016 · Are there any good examples of the producer and consumer groups using the Kafka rest api in Java. Reload to refresh your session. When using the API in Confluent Server, all paths should be prefixed with /kafka as opposed to Standalone REST Proxy. Installing DataStax Apache Kafka Connector 1. how to successfully write to kafka using kafka-rest (using curl)?. To modify this, you must edit the configuration file, which you will do in this step. . The script will use it to sign all other certificates. Setup Kafka. 0 Java clients. 10. See the producer config section of Kafka Configuration. May 7, 2020 · 10. Command Line Interface (CLI) This section will cover what tools are available to consume a topic using a terminal. Each line represents one record and to send it you’ll hit the enter key. kubernetes. 0 version. Note that enabling this add-on will add 20% to standard costs. Now, depending on what what you see here, you might draw one of several conclusions: May 9, 2022 · AFAIK, Strimzi documentation does not provide any hint on how to attach Jolokia to kafka brokers. Seems you have only started Zookeeper and Kafka, but not the Schema Registry. In this tutorial, we will learn how to configure the listeners so that clients can connect to a Kafka broker running within Docker. sh --bootstrap-server localhost:9092 --topic test --from-beginning --max-messages 10. POST, message, String. It makes it easy to produce and consume data, view the state of the cluster, and perform administrative actions without using the native Kafka protocol or clients. Apr 28, 2020 · 2. 4. 获取 Kafka Connect 状态. If you did start it, and see that it is listening in the terminal output on port 8081, then curl should work. Alternatively, you can also use your Apache Zookeeper endpoint. 0. The easy way (see client list) Or see Connects Config to manage connectors by REST (rest. echo "connector-mongodb-connector:" | \. The following table describes each log level. answered Nov 20, 2017 at 11:49. Please understand this use case firstly. Next apply an ingress for the kafka-kubernetes-demo-service, which is the name of the Spring Boot application service derived from the demo-application. ) Each Kafka ACL is a statement in this format: In this statement, Principal is a Kafka user. You must pass the path to the properties file you want to use. 6 Conclusion. It is used by many organizations for their data ingestion and integration needs, as well as for powering microservices architectures. 4. To add connectors in the sandbox, first start an interactive bash shell in your Docker container using the following command: docker exec -it mongo1 /bin/bash. 2. We will setup kafka-ui to see the cluster Dec 19, 2017 · 1. Is there a convenient way not to blot the curl command with the inline schema (i. . Running the start-cluster. The above command retrieves data from the specified URL. 1 Step 1: Install a Connector Plugin. The Confluent REST Proxy provides a RESTful interface to an Apache Kafka® cluster, making it easy to produce and consume messages, view the state of the cluster, and perform administrative actions without using the native Kafka protocol or clients. Sep 26, 2018 · I consumed some messages from the Kafka queue, and now I want to consume them again (just fetch all data from the beginning). For Schema Registry on Confluent Cloud, pass the Mar 17, 2024 · Basics of Kafka Connect and Kafka Connectors. confluent. In standalone-mode you pass the connector config as a second commandline parameter to start your worker, see here for an example how to start the standalone stuff including the Sep 29, 2022 · This is where InfluxDB comes in. 管理 Kafka Connect 配置. You switched accounts on another tab or window. Jun 25, 2021 · Basically, you should be concerned about the verbose output of curl command and the output of kubectl get ingress for any errors if present. Kafka Connect 集群内部通信. We will also look at some of the challenges of running a self-hosted Prometheus and Grafana instance versus the Hosted Mar 17, 2022 · I am trying to use Kafka Connect REST API. Copy. The Kafka REST API is a set of cloud-native APIs for administering and using The Connect Rest api is the management interface for the connect service. Step 2: Download Kafka. edited Mar 30, 2020 at 7:52. I've found similar question here Purge Kafka Topic however, the accepted answer has been deprecated and it work Jan 31, 2024 · Kafka comes with a set of command-line tools that can be used to monitor the health of the cluster. I am using Kafka rest proxy, but not whole Confluent Platform just Kafka rest with my Kafka brokers. Jan 27, 2019 · Would like to share different ways to purge or delete a kafka topic in 2. But only connectors To consume or produce message in a topic, use a middleware. The error Jan 29, 2020 · Sink Connector which will fetch records from a Kafka topic (kctopic_for_sink) and output its value on console. topic=connect-offsets offset. 2 Step 2: Configure the Connector. avro. The configuration of any logstash agent consists of specifying inputs, filters, and outputs. yml. These come with every Kafka installation, and if Dec 8, 2021 · is there a way to use native kafka commands instead of curl? also is the default local host port 8083? i believe my port was 9092 or something – sharon rogers Dec 9, 2021 at 6:38 Now you can list all the available topics by running the following command: kafka-topics \. If you are using ZooKeeper for metadata management, you must start ZooKeeper first. Add a sink connector to transfer data from Apache Kafka to MongoDB. We can create a client configuration file using the confluent CLI. Almost all relational databases provide a JDBC driver, including Oracle, Microsoft SQL Server Jul 1, 2020 · Go to the location where you have saved the above YAML file and run the below command. --topic orders \. Just as with Kafka, it can work with arbitrary binary data, but also includes first-class Jan 19, 2021 · Kafka provides authentication and authorization using Kafka Access Control Lists (ACLs) and through several interfaces (command line, API, etc. Using Zookeeper Commands Use the kafka-server-start tool to start a Kafka server. 获取 Connect Worker 信息. The Confluent Kafka distribution included with Confluent Platform 7. This will be the base directory of the Kafka installation: mkdir ~/kafka && cd ~/kafka. 0 to function, including cluster ids. Curl is a command for getting or sending data using URL syntax, using any of the supported protocols. Kafka Connect is a framework for connecting Kafka with external systems such as databases, key-value stores, search indexes, and file systems, using so-called Connectors. Creating network "kafka-on-docker_default" with the default driver. com. It can be integrated with Apache Kafka to send or receive metrics or event data for both processing and monitoring Jul 1, 2020 · 0. The API supports many interactions with your cluster, including producing and consuming messages and accessing cluster metadata such as the set of topics and mapping of partitions to brokers. For example, the path to list clusters is: Confluent Server: /kafka/v3/clusters; Standalone REST Proxy: /v3/clusters Jan 8, 2024 · Both producers and consumers require that the underlying Kafka server is up and running before they can start their job of producing and consuming, respectively. Deploy the HTTP bridge Apache Kafka® REST APIs, listed in the API reference under KAFKA API (V3) , are a subset of the Confluent Cloud REST APIs available as core building blocks of Confluent Cloud. Otherwise, IMHO you are doing wrong curl command, you should run curl localhost:8083 when you have ssh into your pod from your node. 0 includes a number of significant new features. You can use the APIs to manage your own account or to integrate Confluent into your product. The parameter --all-groups is available from Kafka 2. These built-in tools can be used to check various metrics like topics, consumer groups, and cluster status. Sometimes, I keep getting timeout issue for POST/PUT/DELETE APIs such deploying new connectors or deleting connectors (no timeout issue for GET). Here, we shall add Prometheus as our data source then visualize it all with beautiful graphs and charts. Inspired by. Kafka Connector release notes. 7. Share. Unlike many other systems, all nodes in Kafka Connect can respond to REST requests, including creating, listing, modifying, and destroying connectors. I understand the use of confluent local but as mentioned in the question, I am searching for a way to create the connectors using config files (in distributed mode) or maybe automate the step to 1. For instance, we can pass the Zookeeper service address: $ bin/kafka-topics. --bootstrap-server broker:9092. Windows. But I am not able to create topics from command line by the following command. Each Kafka Broker has a unique ID (number). 常用命令如下：. For more information about the open-source Kafka REST APIs available, see Kafka REST Proxy and the openapi yaml. 1 mapr-kafka-connect-jdbc-4. Feb 27, 2024 · Kafka 3. curl -s <Kafka Connect Worker URL>:8083/connector-plugins | jq. note that in topic may be many messages in that In order to easily access the Kafka binaries, you can edit your PATH variable by adding the following line to your system run commands (for example ~/. Jackson ObjectMapper cannot recognize JSONObject, so you need to convert it to String: HttpEntity<String> message = new HttpEntity<>(event. curl -s <Kafka Connect Worker URL>:8083/ | jq. Commands and results are shown separately to make it easy to copy-paste the commands into a shell. 10. Im not looking for simpleconsumer or kafka client examples of the producer and consumer. Configuration. Extract the archive you downloaded using the tar command: tar -xvzf ~/Downloads/kafka. Oct 1, 2023 · Figure 6: Ingress nginx pods. You can get the equivalent Yaml file of the form by clicking on Yaml View. These examples use curl commands to interact with the Schema Registry Schema Registry API. Kafka also has a powerful REST proxy for building web applications that interact with Kafka clusters. IT is more feaseble. We will validate that cluster is working by producing and consuming messages. replication. Normally it is 9092. sh then go to that directory and run for read message from your topic. Jun 11, 2017 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand 5. name, rest. This guide shows how your Quarkus application can use Apache Kafka, Avro serialized records, and connect to a schema registry (such as the Confluent Schema Registry or Apicurio Registry ). 0 or later Stream Monitoring requires several new features of Kafka 0. On the running the below command, we can see three more pods being set up, this can be either observed in the Introduction. To use the project, clone the docker-compose repository, and navigate to the kafka-ssl folder. All we have to do is to pass the –list option, along with the information about the cluster. Note: For Kafka Connect and Schema Registry you will need curl and jq utilities to make requests to their APIs. offset. Feb 20, 2024 · This tutorial uses curl and Kafka to ingest a streaming API of AIS messages with vessel positions from BarentsWatch. In addition to the confluent CLI, we will also be using Kafka clients that will need to authenticate with the cluster and Schema Registry using the API keys and secrets. factor=1 status. The Kafka Rest Proxy is an addon which can be added when creating an Instaclustr Managed Apache Kafka Cluster. <kafka-port> can be replaced by the port on which kafka is running. /kafka-console-consumer. For KRaft mode, first generate a cluster ID and store it in the properties file. One of the key features of Kafka is its ability to handle high Dec 4, 2019 · This article shares the examples of curl commands to submit REST requests to a distributed Kafka Connect cluster. Mar 25, 2015 · The REST Proxy is an HTTP-based proxy for your Kafka cluster. The most basic form of a GET request with cURL is as follows: curl https://api. xml file may also include: Plugin kafka-schema-registry-maven-plugin to check compatibility of evolving schemas; For a full pom. 2 Sink Connector Example. apache-kafka. Kafka broker. Logged in as your non-root sudo user, create a user called kafka with the useradd command: Jul 3, 2017 · if you try the standalone-mode, there is no configuration via REST at all, hence you do NOT need any curl command to provide the connector config to your worker. toString(), messageheaders); ResponseEntity<String> result1 = restTemplate. Install on Linux-based platform using a binary tarball. 1 (secured) mapr-kafka-1. If you don’t have Java installed, download it from Oracle’s website or use an open-source version like OpenJDK. Oct 12, 2023 · Kafka is one of the most widely used streaming platforms, and Prometheus is a popular way to monitor Kafka. This can be considered legacy as Apache Kafka is deprecating the use of Zookeeper as new versions are being released. apache. sh --list --zookeeper localhost:2181. Explanation of how the Kafka Connector ingests topics to supported database tables. I want to know is there any other way out. May 11, 2024 · To list all the Kafka topics in a cluster, we can use the bin/kafka-topics. avro and io. You can omit this if you’d like! Create a Connector Jul 28, 2023 · In this article we will setup a simple kafka cluster with 2 nodes in it. This tutorial will guide you through the basic to advanced steps required to add and manage brokers within a Kafka cluster. This can be used to alert or take action on unhealthy connectors and tasks. Jun 23, 2020 · The | python -m json. 0 Prerequisite: 1. Now let’s delve into practical examples and explore cURL’s capabilities through various use cases. Start the kafka docker container. We will start with the official command-line tools provided by Apache Kafka. Kafka Connectors are ready-to-use components, which can help us to import data from external systems into Kafka topics and export Dec 6, 2020 · Apache Kafka is a resilient and efficient way to source this data. Release notes for open source DataStax Apache Kafka Connector. kafkacat -b <your-ip-address>:<kafka-port> -t test-topic. Kafka Connect Healthcheck is a server that wraps the Kafka Connect API and provides a singular API endpoint to determine the health of a Kafka Connect instance. The Kafka REST Proxy provides a RESTful interface to a Kafka cluster. 4 Example: Using Connectors. This is done by going to Kaspersky - Settings - Network Settings - check "Monitor selected ports only" - Select ports - double clikc on the port (80) and select inactive. Feb 1, 2020 · Most of the points mentioned in this answer are already there in the question itself. once you run the above command and if kafkacat is able to make the connection then it means that kafka is up and running. Nov 20, 2018 · I have a 3-nodes kafka-connect worker cluster in distributed mode, with a running s3 sink connector. Create own private Certificate Authority (CA) openssl req -new -newkey rsa:4096 -days 365 -x509 -subj “/CN=Demo-Kafka” -keyout ca-key -out ca-cert -nodes. Any update on the form view will be applied to the Yaml view on the fly. 5 Bonus: Kafka Connect in Standalone vs Distributed Mode. The inputs are your log files. Apr 6, 2022 · What Does Health Mean for Kafka Applications? For a Kafka application the health check should purposefully fail in two cases: There is an issue with the communication with Kafka — this can be a temporary network blip, an unusually longer processing time that caused failed heartbeat, and the consumer got kicked out or failed to commit. If you would like to add the Kafka Rest Proxy to an existing cluster, you should contact support to have it added. macOS and Linux users can install the latest version of Confluent CLI using the following Homebrew command: brew install confluentinc/tap/cli. So kafka as server declines the connection because the CURL client certificate is not valid This package includes most of the dependencies for logstash in it and helps you get started quicker. port parameters). topic=connect-status status. If you're using Openshift, navigate to Operators > installed Operators > Strimzi > Kafka Connect. offset. Apr 16, 2023 · Apache Kafka is an open-source distributed streaming platform that provides real-time data processing and streaming applications. reset": "smallest": Apr 27, 2016 · Running Kafka and Zookeeper are not enough to use this REST API, because, according to documentation "REST interface - submit and manage connectors to your Kafka Connect cluster via an easy to use REST API". Mar 19, 2024 · Let’s assume that we know about a broker running at localhost:29092, so let’s try to find out all active brokers participating in the Kafka cluster: $ kafka-broker-api-versions --bootstrap-server localhost:29092 | awk '/id/{print $1}' localhost:39092 localhost:29092 Feb 1, 2024 · 3 Setting Up Kafka Connect. host. abc. – Kafka Connect and other Confluent Platform components use the Java-based logging utility Apache Log4j to collect runtime data and record component events. 1. $ docker run -p 9092:9092 apache/kafka:3. answered Feb 11, 2020 at 9:08. Creating volume "kafka-on-docker_kafka-volume" with default driver. A quick solution is to disable Kaspersky's protection on the port you're trying to reach on the server (tcp 80 for exmaple). However, Kafka’s default behavior will not allow you to delete a topic. Aug 30, 2023 · On server where your admin run kafka find kafka-console-consumer. If you are a Debian or Ubuntu user, you can install the latest version of Confluent CLI using the APT package manager: If you installed Confluent Platform using APT, you should already have a Dec 20, 2019 · Since Kafka can handle requests over a network, it is a best practice to create a dedicated user for it. 6 is recommended. list expects host1:port1,host2:port2 instead of URLs. bashrc for Bash ): Sep 19, 2023 · Apache Kafka has emerged as a leading distributed event streaming platform, widely used for real-time data processing and analytics. 列出 Connect Worker Nov 5, 2019 · We will also show real examples using curl commands. The Kafka Connect Log4j properties file is located in the Confluent Platform installation directory path etc/kafka/connect-log4j. Apr 11, 2018 · Kafka Connect 作为 service 提供了 REST API 服务，用来：. Here is a summary of some notable changes: The deprecation of support for Java 8 and Scala 2. If you are not familiar with Kafka and Kafka in Quarkus in particular, consider first going through the Using Apache Kafka with Reactive Messaging guide. 187k 19 139 256. sh script will generate the self-signed root certificate. Log into your Grafana web interface and proceed as follows. 1 doesn't exist anymore in the Apache mirrors, and is not the latest version. my-namespace" is the kubernetes service name of the "controller" (KRAFT) What this does is that: It will first check whether the broker count is matching (which is 3 for our setup) It then also check for the "replica imbalance" to be zero - this prevents the brokers to not go down till the cluster is in balance. Step 1: Install Java. To update the configuration of the connector at run-time, I run the command below: curl -X P Sep 29, 2019 · Do you make changes to your Kafka cluster using the CLI? Do you always have to look up the CLI commands and options? My Apache Kafka, CLI… Jan 31, 2024 · Apache Kafka is a distributed stream processing system which is widely used for handling real-time data feeds. How can I reset the offset in Scala or using Kafka Rest Proxy? I am currently using "auto. The REST API is particularly valuable in restricted environments, such as mobile or edge devices, as it provides a lightweight alternative to native Kafka clients. Try configuring different subdomain names for each broker like kafka1. $ docker pull apache/kafka:3. Mar 27, 2019 · Create a directory called kafka and change to this directory. --bootstrap-server localhost:9092 \. com:80 and point those subdomains to the appropriate host. 3. Oct 3, 2020 · For those who are not 100% familiar with what role the Schema registry plays in the Kafka world, let’s sum it up in a couple of sentences: Schema registry maps the data subjects (messages, topics) to certain versions of schemas . Configuring the Jan 29, 2024 · Downloading and Installing Kafka. This article will use the same use case documented in this article talking about standalone Kafka Connect. Kafka's core components include topics, partitions, brokers, and producers. --list. exchange(kafkarwsrproxyURL, HttpMethod. slingacademy. factor=1 config. Kafka Java Producers and Consumers running 0. The A simple healthcheck wrapper to monitor Kafka Connect. cd kafka-ssl. Jan 8, 2024 · This is primarily due to the misconfiguration of Kafka’s advertised listeners. Since Kafka is written in Scala and runs on the Java Virtual Machine (JVM), you need to have Java installed: java -version. tgz --strip 1. When executed in distributed mode, the REST API is the primary interface to the cluster. Indeed they are . topic=connect-configs config. Operation is one of Read, Write, Create, Describe, Alter, Delete, DescribeConfigs, AlterConfigs May 22, 2019 · Now send a tombstone message ( NULL value) for this key. You will create the dedicated user kafka in this step. 12; Kafka Raft support for snapshots of the metadata topic and other improvements in the self-managed quorum; Stronger delivery guarantees for the Kafka producer enabled by default For a detailed example that uses Schema Registry configured with security, see the Confluent Platform demo. Jul 28, 2015 · The configuration variable metadata. Creating volume "kafka-on-docker_zookeeper-volume" with default driver. You can access to your topics, if it was already created, using APIs. OneCricketeer. Jan 21, 2019 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Feb 12, 2019 · The JDBC connector for Kafka Connect is included with Confluent Platform and can also be installed separately from Confluent Hub. Now we are on the last and the best part. For an example of how to start Kafka, see the Kafka quickstart. However, when doing it from terminal, if the schema is large, this can be pretty heavy and unpractical. Replace <your-ip-address> with your machine ip. From inside the second terminal on the broker container, run the following command to start a console producer: kafka-console-producer \. 3 Step 3: Start the Connector. Env: MapR 6. We will use Prometheus to pull metrics from Kafka and then visualize the important metrics on a Grafana dashboard. Based on this file extracted for the full example using the last kafka image, it seems that you need to authenticate the client as well using the CA certificate for both parts (CURL client and Kafka). sh shell script bundled in the downloaded Kafka distribution. kafka-avro-serializer to serialize data as Avro; Plugin avro-maven-plugin to generate Java class files from the source schema; The pom. zshrc if you use zshrc or ~/. It enables you to pull data (source) from a database into Kafka, and to push data (sink) from a Kafka topic to a database. sh by command find . In this article, we’ll learn a few strategies to determine if the Kafka server is running. confluent api-key create --resource <SR cluster ID>. Feb 2, 2020 · all three topic is created by kafka connect connect-offsets connect-configs connect-status. Sep 12, 2020 · Step 5: Add Kafka metrics to Grafana. Once the Kafka server has successfully launched, you will have a basic Kafka environment running and ready to use. This section describes some common management tasks you can do when using the REST API. Kafka’s configuration options are specified in server. Feb 18, 2022 · About the Kafka Connector. Now you will face a form containing the Kafka connect configurations. I need to write above json to kafka using kafka-rest, and i use curl call to perform HTTP post on kafka-rest but it's returning error. Streaming ETL and Analytics on Confluent with Maritime AIS Data. com:80,kafka2. Using cURL to make a GET request is straightforward. After your shell session starts, you should see the following prompt: Dependencies org. Some of the supported If anyone is interested, you can have the the offset information for all the consumer groups with the following command: kafka-consumer-groups --bootstrap-server localhost:9092 --all-groups --describe. broker. bootstrap. You can refer to the Schema Registry configuration for setting up the port (or listeners) answered Jan 23, 2019 at 23:03. Hence can you please provide a hint on what kind of modifications to the deployment files (strimzi operator and/or cluster deployment files) so that Jolokia is attached to the brokers/Zookeeper instances. sh --create --bootstrap-server localhost:9092 --replication-factor 1 --partitions 1 --topic test. tool above simply takes the output of the curl command and prints the JSON nicely. kafka-topics \. properties. As businesses grow and data demands increase, the ability to scale and manage Kafka brokers becomes essential. Feb 9, 2021 · A Kafka topic is the category, group, or feed name to which messages can be published. Before we try to establish the connection, we need to run a Kafka broker using Docker. By default this service runs on port 8083 . Get the docker image. Try this-> Instead of going through cURL, try pinging the site you’re trying to reach with Telnet. Mar 11, 2021 at 12:47. Jul 25, 2016 · Here the "kafka-controller-headless. com:80,kafka3. Once a Kafka Connect cluster is up and running, you can monitor and modify it. factor=1 Feb 1, 2024 · Using cURL for GET Requests. kafkacat -b localhost -t docker-connect-configs -P -Z -K: If you examine the topic again for this particular key you’ll notice that there are now two messages: Key (27 bytes): connector-mongodb-connector. Feb 25, 2020 · Setup Kafka broker: 1. We define topic name on the URL. To create a new Kafka cluster with the Kafka REST Proxy You signed in with another tab or window. e the schema content), and just pass an avro schema file (avsc) ? I know there is a python tool that does that : Aug 24, 2022 · Kafka 2. xml. Create Apr 25, 2023 · Openshift GUI and Kubernetes CLI. A Kafka cluster is made up of multiple Kafka Brokers. -name kafka-console-consumer. Note: Alternatively, you can use this postman workspace to work with Kafka Connect and Schema Registry REST APIs Apache Kafka can scale from one small machine to a massive cluster of hundreds of virtual machines. There is no direct link to get latest, but you can get the URL through the links of the Apache Kafka homepage. servers is a comma-separated list of host and port pairs that are the addresses of the Kafka brokers in a "bootstrap" Kafka cluster that a Kafka client connects to initially to bootstrap itself. This minimizes damage to your Debian machine should the Kafka server be compromised. 1 Source Connector Example. Upstash offers a REST API alongside TCP-based Kafka clients, enabling access to Kafka topics over HTTP. Before starting with the bridge, the main prerequisite is having a Kubernetes cluster and an Apache Kafka cluster already deployed on top of it using the Strimzi Cluster Operator; to do so you can find information in the official documentation. You signed out in another tab or window. The response that your connection attempt returns will be exactly what cURL sees when it tries to connect (but which it unhelpfully obfuscates from you). Dec 20, 2022 · To run this, simply run docker-compose up -d and you should see the following output: $ docker-compose up -d. storage. class); answered Jul 1, 2020 at 22:22. By utilizing the REST API, you can eliminate the need for manual Jan 29, 2024 · To take your Kafka knowledge further, consider exploring the Kafka Streams API for stream processing, connect Kafka to external systems with Kafka Connect, and ensure high availability with multiple Kafka brokers and Zookeeper nodes. InfluxDB is a time series database ( TSDB) that provides storage and time series data retrieval for monitoring, application metrics, Internet of Things (IoT) sensor data, and real-time analytics. bin/kafka-topics. The producer will start and wait for you to enter input. This can be used in numerous ways. For this example, we will not configure any filters. ng mm pz az tz bz zx py ht ci