xk6-cable
A k6 extension for testing Action Cable and AnyCable functionality (by anycable)
xk6-kafka
k6 extension to load test Apache Kafka with support for various serialization formats, SASL, TLS, compression, Schema Registry client and beyond (by mostafa)
xk6-cable | xk6-kafka | |
---|---|---|
1 | 4 | |
23 | 131 | |
- | - | |
4.8 | 6.3 | |
8 months ago | 9 days ago | |
Go | Go | |
MIT License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
xk6-cable
Posts with mentions or reviews of xk6-cable.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-09-07.
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Real-time stress: AnyCable, k6, WebSockets, and Yabeda
Check out our new blog post on load testing Rails WebSockets applications (Action Cable and AnyCable) using our brand new k6 extension—xk6-cable.
xk6-kafka
Posts with mentions or reviews of xk6-kafka.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-18.
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Performance testing Kafka server using xk6-kafka
import { Writer, Reader, SCHEMA_TYPE_STRING, SchemaRegistry, GROUP_BALANCER_ROUND_ROBIN, BALANCER_ROUND_ROBIN, } from "k6/x/kafka"; import { check, sleep } from "k6"; const bootstrapServers = [ 'kafka-bootsrap-1:9001', ]; let vus_amount = 3; let total_written = 0; let total_read = 0; export const options = { vus: vus_amount, iterations: "3", thresholds: { kafka_writer_error_count: ["count == 0"], kafka_reader_error_count: ["count == 0"], }, }; const topicName = "my-topic"; const schemaRegistry = new SchemaRegistry(); const producer = new Writer({ brokers: bootstrapServers, topic: topicName, balancer: BALANCER_ROUND_ROBIN, // or pick another balancer https://github.com/mostafa/xk6-kafka/blob/main/api-docs/index.d.ts#L66 // ... auth config }); export function teardown(data) { producer.close(); } export default function () { const consumer = new Reader({ brokers: bootstrapServers, // it is important to set groupID, groupTopics and groupBalancers when using Kafka bootstrap server // topic ReaderConfig param doesn't quite work with bootstrap server groupID: topicName + "-group", groupTopics: [topicName], groupBalancers: [GROUP_BALANCER_ROUND_ROBIN], // or pick different balancer https://github.com/mostafa/xk6-kafka/blob/main/api-docs/index.d.ts#L75 }); let messageAmount = 1000; if (__VU == 1) { console.log('VU 1, writing messages. Iter ' + __ITER); for (let index = 0; index < messageAmount; index++) { let messages = [ { value: schemaRegistry.serialize({ data: "test-value-string-" + index + "-vu-" + __VU + "-iter-" + __ITER, schemaType: SCHEMA_TYPE_STRING, }), }, ]; producer.produce({ messages: messages }); total_written += messages.length; } } let consumerMsgAmount = Math.floor(messageAmount / vus_amount); let messages = consumer.consume({ limit: consumerMsgAmount}); total_read += messages.length; console.log("Amount of msgs received: " + messages.length + ", VU " + __VU + ", iter " + __ITER); check(messages, { "all messages returned": (msgs) => msgs.length == consumerMsgAmount, }); let firstMessageValue = schemaRegistry.deserialize({ data: messages[0].value, schemaType: SCHEMA_TYPE_STRING, }); let lastMessageValue = schemaRegistry.deserialize({ data: messages[consumerMsgAmount - 1].value, schemaType: SCHEMA_TYPE_STRING, }); check(messages[0], { "Topic equals to": (msg) => msg["topic"] == topicName }); console.log("First msg value " + firstMessageValue + ", offset" + messages[0]["offset"] + ", partition " + messages[0]["partition"] + ", VU " + __VU + ", iter " + __ITER); console.log("Last msg value " + lastMessageValue + ", offset" + messages[consumerMsgAmount - 1]["offset"] + ", partition " + messages[0]["partition"] + ", VU " + __VU + ", iter " + __ITER); consumer.close(); }
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🔥 What is Apache Kafka and how to perform performance tests on it (Part 2) 👨🏻💻
Apache Kafka, like any other service, platform or server, has its performance limitations. In order to know them, you need to run performance tests on Apache Kafka's Cluster, which will show acceptation thresholds. One project that can help with this is xk6-kafka.
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xk6-kafka v0.12.0 is released! 🎉
I am thrilled to announce that I released xk6-kafka v0.12.0, a complete revamp of the JavaScript API plus many other features and fixes. You can read more about it on the changelog of the release: https://github.com/mostafa/xk6-kafka/releases/tag/v0.12.0
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How to Load Test Your Kafka Producers and Consumers using k6
The xk6-kafka extension provides some convenient functions for interacting with Kafka Producers and Consumers. It serves as a producer that can send a high volume of messages per second, allowing you to monitor the system under test (SUT) and test how the application will keep up with the load.
What are some alternatives?
When comparing xk6-cable and xk6-kafka you can also consider the following projects:
AnyCable - AnyCable for Ruby applications
k6-reporter - Output K6 test run results as formatted & easy to read HTML reports
xk6-tcp - A k6 extension for sending data to TCP port
anteon - Anteon (formerly Ddosify) - Effortless Kubernetes Monitoring and Performance Testing. Available on CLI, Self-Hosted, and Cloud
xk6-browser - k6 extension that adds support for browser automation and end-to-end web testing via the Chrome Devtools Protocol
postman-to-k6 - Converts Postman collections to k6 script code