Top 5 Go schema-registry Projects
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xk6-kafka
k6 extension to load test Apache Kafka with support for various serialization formats, SASL, TLS, compression, Schema Registry client and beyond
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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(); }
We have seen how to use JR in more advanced use cases, streaming quality random data with referential integrity. In the next part of this series, we will see how to use REST apis with JR. In the meanwhile, happy streaming!
Index
What are some of the best open-source schema-registry projects in Go? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | memphis | 3,158 |
| 2 | xk6-kafka | 131 |
| 3 | jr | 114 |
| 4 | cli | 109 |
| 5 | schema-registry-statistics | 24 |
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