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README.md

Kinsky: Clojure Kafka client library

Build Status

Kinsky is a somewhat opinionated client library for Apache Kafka in Clojure.

Kinsky provides the following:

  • Kakfa 0.10.0.x compatibility
  • Adequate data representation of Kafka types.
  • Default serializer and deserializer implementations such as JSON, EDN and a keyword serializer for keys.
  • Documentation

Usage

   [[spootnik/kinsky "0.1.23"]]

Documentation

Contributors

Thanks a lot to these awesome contributors

  • Ray Cheung (@raycheung)
  • Daniel Truemper (@truemped)
  • Mathieu Marchandise (@vielmath)
  • Eli Sorey (@esorey)
  • François Rey (@fmjrey)
  • Karthikeyan Chinnakonda (@codingkarthik)
  • Jean-Baptiste Besselat (@luhhujbb)
  • Carl Düvel (@hackbert)
  • Andrew Garman (@agarman)
  • Pyry Kovanen (@pkova)
  • Henrik Lundahl (@henriklundahl)
  • Josh Glover (@jmglov)
  • Marcus Spiegel (@malesch)
  • Jeff Stokes (@jstokes)
  • Martino (@vise890-ovo)
  • Ikuru K (@iku000888)

Changelog

0.1.25

  • Removal of the asynchronous façade, transducers should suffice

0.1.24

  • Add support for producer transaction

0.1.23

  • Fixed ConcurrentModificationException when async consumer created with topic
  • Added support for reader opts when consuming
  • Add timestamp in record output

0.1.22

  • Update to latest Kafka clients
  • Typo fix

0.1.21

  • Update to latest Kafka clients
  • Provide duplex channels to bridge control and record channels in consumers

0.1.16

  • Stability and bugfix release
  • Lots of input from @jmgrov, @scott-abernethy, and @henriklundahl. Thanks!

Examples

The examples assume the following require forms:

(:require [kinsky.client :as client])

Production

(let [p (client/producer {:bootstrap.servers "localhost:9092"}
                         (client/keyword-serializer)
                         (client/edn-serializer))]
  (client/send! p "account" :account-a {:action :login}))

Consumption

(let [c (client/consumer {:bootstrap.servers "localhost:9092"
                          :group.id          "mygroup"}
                         (client/keyword-deserializer)
                         (client/edn-deserializer))]
  (client/subscribe! c "account")
  (client/poll! c 100))
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