r/cassandra
3k members
r/cassandra is a subreddit with 3k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses cassandra, datastax, schema, data, and query.
Popular Themes in r/cassandra
#1
Advice Requests
: "Learn Apache Cassandra® 5.0 Data Modeling"
16 posts
#2
Solution Requests
: "Any Cassandra developer response to Discord migration?"
15 posts
#3
Pain & Anger
: "Cassandra - Deploy nightmare?"
14 posts
#4
Self-Promotion
: "Interactive Queries with 'kafka-streams-cassandra-state-store' - Demo"
3 posts
#5
News
: "November 12, 2025: MSP Cassandra User Group"
3 posts
#6
Ideas
: "Help build the next Cassandra certification exams"
2 posts
Popular Topics in r/cassandra
#1
Cassandra
: "Cassandra disk space usage out of whack"
240 posts
#2
Datastax
: "GenericType in Datastax"
14 posts
#3
Schema
: "Schema disagreements for Cassandra 4.x"
8 posts
#4
Data
: "Learn Apache Cassandra® 5.0 Data Modeling"
7 posts
#5
Query
: "How are you handling evolving Query patterns in Cassandra?"
7 posts
#6
Performance
: "How Cassandra Streaming, Performance, Node Density, and Cost Are All Related"
6 posts
#7
Cluster
: "Dynamically adding customers(keyspaces) to Cluster"
6 posts
#8
Database
: "How to design a Database?"
6 posts
#9
Scylladb
: "Cassandra or Scylladb"
6 posts
#10
Migration
: "IO problems after Migration"
6 posts
Member Growth in r/cassandra
Yearly
+370 members(12.7%)
Similar Subreddits to r/cassandra
r/Database
88k members
30.9% / yr
r/databasedevelopment
13k members
28.8% / yr
r/mongodb
29k members
12.0% / yr
r/MSSQL
3k members
11.6% / yr
r/mysql
49k members
10.2% / yr
r/nosql
5k members
3.6% / yr
r/PostgreSQL
87k members
34.6% / yr
r/redis
10k members
20.5% / yr
r/SQL
288k members
15.2% / yr
r/SQLServer
66k members
12.9% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/cassandra, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 11, 2026