r/apachekafka is a subreddit with 21k members. The most common kinds of discussions are advice requests and news, and the community frequently discusses kafka, streams, streaming, real time, and consumer.
Talk and share advice about the most popular distributed log, Apache Kafka and its ecosystem. This includes Apache Kafka itself, and compatible implementations of the protocol.
Popular Themes in r/apachekafka
#1
Advice Requests
: "Streaming 1.6 million messages per second to 4,000 clients — on just 4 cores and 8 GiB RAM! 🚀 [Feedback welcome]"
6 posts
#2
News
: "PagerDuty - August 28 Kafka Outages – What Happened"
4 posts
#3
Pain & Anger
: "How do you keep Kafka from becoming a full-time job?"
3 posts
#4
Self-Promotion
: "We’re the co-founders of WarpStream. Ask Us Anything."
3 posts
#5
Solution Requests
: "Kafka Streams with 300M+ keys in RocksDB - DR rebuild takes 45+ mins to 2hrs even from changelog. Anyone solved this?"
2 posts
#6
Ideas
: "yaks - yet another kafka on s3"
2 posts
Popular Topics in r/apachekafka
#1
Kafka
: "The Floor Price of Kafka (in the cloud)"
333 posts
#2
Streams
: "I’ve built an interactive simulation of Kafka Streams’ architecture!"
17 posts
#3
Streaming
: "Is it a race to the bottom for Streaming infrastructure pricing?"
12 posts
#4
Real Time
: "Streaming 1.6 million messages per second to 4,000 clients — on just 4 cores and 8 GiB RAM! 🚀 [Feedback welcome]"
11 posts
#5
Consumer
11 posts
#6
Confluent
: "IBM to Acquire Confluent"
10 posts
#7
Migration
: "Kafka 3.9.0: ZooKeeper to KRaft Migration Lab"
8 posts
#8
Performance
: "Kafka Performance testing framework - automates the tedious matrix of acks/batch.size/linger.ms benchmarking"
8 posts
#9
Ui
: "PSA: Stop suffering with basic Kafka Uis - Lenses Community Edition is actually free"
7 posts
#10
Avro
: "Kafka + Schema Registry + Avro with Spring Boot (Producer, Consumer & PostgreSQL Demo)"
7 posts
Flair Used in r/apachekafka
#1
Blog
: "A 2 minute overview of Apache Kafka 4.0, the past and the future"
89 posts
#2
Question
: "The kafka book by Gwen Shapiro"
57 posts
#3
Tool
: "I’ve built an interactive simulation of Kafka Streams’ architecture!"
46 posts
#4
Video
: "Interview: The State & Future Of Apache Kafka"
2 posts
Member Growth in r/apachekafka
Yearly
+4k members(26.0%)
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Last updated: June 15, 2026