Apache Cassandra®
@cassandra.apache.org
Updates from a true open source distributed application database
trusted by thousands of successful companies for
best-in-class scalability, availability, performance
and unbeatable fault-tolerance + reliability.
(I follow my PMC)
trusted by thousands of successful companies for
best-in-class scalability, availability, performance
and unbeatable fault-tolerance + reliability.
(I follow my PMC)
Pinned
Apache Cassandra®
@cassandra.apache.org
· Nov 15
cassandra-sql/README.md at main · geico/cassandra-sql
Contribute to geico/cassandra-sql development by creating an account on GitHub.
github.com
Our @jeffjirsa.net has built a working prototype of a Postgres SQL Layer on top Apache Cassandra.
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
From db-engines top 50 databases,
the only vendor-neutral open sourced NoSQL databases are
Apache Cassandra and Apache HBase.
#choose_sustainable_open_source_technologies
the only vendor-neutral open sourced NoSQL databases are
Apache Cassandra and Apache HBase.
#choose_sustainable_open_source_technologies
January 11, 2026 at 8:01 AM
From db-engines top 50 databases,
the only vendor-neutral open sourced NoSQL databases are
Apache Cassandra and Apache HBase.
#choose_sustainable_open_source_technologies
the only vendor-neutral open sourced NoSQL databases are
Apache Cassandra and Apache HBase.
#choose_sustainable_open_source_technologies
Reposted by Apache Cassandra®
Happy Friday!! Today is a good day. I am thrilled to announce that latest PR for CDC support in Sidecar (CEP-44) was just merged into C* Sidecar. More testing coverage, bug filing and fixing lies ahead of us. So proud to be a member of this community @cassandra.apache.org!
January 9, 2026 at 10:41 PM
Happy Friday!! Today is a good day. I am thrilled to announce that latest PR for CDC support in Sidecar (CEP-44) was just merged into C* Sidecar. More testing coverage, bug filing and fixing lies ahead of us. So proud to be a member of this community @cassandra.apache.org!
From db-engines top 100 databases,
the only application databases that are vendor-neutral open sourced are:
Apache Cassandra, Postgres, H2, Apache CouchDB, and HSQLDB.
#choose_sustainable_open_source_technologies
the only application databases that are vendor-neutral open sourced are:
Apache Cassandra, Postgres, H2, Apache CouchDB, and HSQLDB.
#choose_sustainable_open_source_technologies
January 6, 2026 at 6:43 PM
From db-engines top 100 databases,
the only application databases that are vendor-neutral open sourced are:
Apache Cassandra, Postgres, H2, Apache CouchDB, and HSQLDB.
#choose_sustainable_open_source_technologies
the only application databases that are vendor-neutral open sourced are:
Apache Cassandra, Postgres, H2, Apache CouchDB, and HSQLDB.
#choose_sustainable_open_source_technologies
Reposted by Apache Cassandra®
Sharing my 2025 Apache Cassandra Year in Review and Gratitudes –
lists.apache.org/thread/ztzzr...
lists.apache.org/thread/ztzzr...
December 30, 2025 at 11:55 AM
Sharing my 2025 Apache Cassandra Year in Review and Gratitudes –
lists.apache.org/thread/ztzzr...
lists.apache.org/thread/ztzzr...
The Python Driver is officially part of the project, thanks to the donation from DataStax & IBM
Now found at github.com/apache/cassa...
Reach out to get involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
Now found at github.com/apache/cassa...
Reach out to get involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
GitHub - apache/cassandra-python-driver: DataStax Python Driver for Apache Cassandra
DataStax Python Driver for Apache Cassandra. Contribute to apache/cassandra-python-driver development by creating an account on GitHub.
github.com
December 23, 2025 at 6:43 PM
The Python Driver is officially part of the project, thanks to the donation from DataStax & IBM
Now found at github.com/apache/cassa...
Reach out to get involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
Now found at github.com/apache/cassa...
Reach out to get involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
The C/C++ Driver is officially part of the project thanks to the donation from DataStax & IBM
Now found at github.com/apache/cassa...
Reach out if you'd like to be involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
Now found at github.com/apache/cassa...
Reach out if you'd like to be involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
GitHub - apache/cassandra-cpp-driver: C/C++ Driver for Apache Cassandra®
C/C++ Driver for Apache Cassandra®. Contribute to apache/cassandra-cpp-driver development by creating an account on GitHub.
github.com
December 21, 2025 at 8:01 AM
The C/C++ Driver is officially part of the project thanks to the donation from DataStax & IBM
Now found at github.com/apache/cassa...
Reach out if you'd like to be involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
Now found at github.com/apache/cassa...
Reach out if you'd like to be involved in next steps post-donation: new docs location & first release; great ways to get involved & become part of our dev community
Jon Haddad's fouth post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/re...
rustyrazorblade.com/post/2025/re...
Optimizing Cassandra Repair for Higher Node Density
This is the fourth post in my series on improving the cost efficiency of Apache Cassandra through increased node density. In the last post, we explored compaction strategies, specifically the new…
rustyrazorblade.com
December 14, 2025 at 8:01 AM
Jon Haddad's fouth post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/re...
rustyrazorblade.com/post/2025/re...
Jon Haddad's third post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/07...
rustyrazorblade.com/post/2025/07...
December 9, 2025 at 6:43 PM
Jon Haddad's third post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/07...
rustyrazorblade.com/post/2025/07...
Jon Haddad's second post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/04...
rustyrazorblade.com/post/2025/04...
Cassandra Compaction Throughput Performance Explained
This is the second post in my series on improving node density and lowering costs with Apache Cassandra. In the previous post, I examined how streaming performance impacts node density and…
rustyrazorblade.com
December 7, 2025 at 8:01 AM
Jon Haddad's second post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/04...
rustyrazorblade.com/post/2025/04...
Jon Haddad's first post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/03...
rustyrazorblade.com/post/2025/03...
How Cassandra Streaming, Performance, Node Density, and Cost are All related
This is the first post of several I have planned on optimizing Apache Cassandra for maximum cost efficiency. I’ve spent over a decade working with Cassandra and have spent tens of thousands of hours…
rustyrazorblade.com
December 2, 2025 at 6:43 PM
Jon Haddad's first post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/03...
rustyrazorblade.com/post/2025/03...
Cassandra as a Cloud Native System of Record: Unlocking the Big Data Ecosystem with Modular APIs
Is your Apache Cassandra database an isolated island of data, walled off from the rest of your big data ecosystem? 🏝️
www.youtube.com/watch?v=TU52...
Is your Apache Cassandra database an isolated island of data, walled off from the rest of your big data ecosystem? 🏝️
www.youtube.com/watch?v=TU52...
Cassandra as a Cloud Native System of Record: Unlocking the Big Data Ecosystem with Modular APIs
Is your Apache Cassandra database an isolated island of data, walled off from the rest of your big data ecosystem? 🏝️
Dive deep into one of the biggest challenges facing Cassandra users today with…
www.youtube.com
November 30, 2025 at 8:01 AM
Cassandra as a Cloud Native System of Record: Unlocking the Big Data Ecosystem with Modular APIs
Is your Apache Cassandra database an isolated island of data, walled off from the rest of your big data ecosystem? 🏝️
www.youtube.com/watch?v=TU52...
Is your Apache Cassandra database an isolated island of data, walled off from the rest of your big data ecosystem? 🏝️
www.youtube.com/watch?v=TU52...
Handling Large Blobs in Apache Cassandra CDC with Kafka and Object Storage Integration
Struggling with massive blobs clogging up your Cassandra Change Data Capture (CDC) pipeline? 😫 You're not alone.
www.youtube.com/watch?v=EL9m...
Struggling with massive blobs clogging up your Cassandra Change Data Capture (CDC) pipeline? 😫 You're not alone.
www.youtube.com/watch?v=EL9m...
Handling Large Blobs in Apache Cassandra CDC with Kafka and Object Storage Integration
Struggling with massive blobs clogging up your Cassandra Change Data Capture (CDC) pipeline? 😫 You're not alone. Processing large unstructured data like images, videos, or documents can saturate…
www.youtube.com
November 25, 2025 at 6:43 PM
Handling Large Blobs in Apache Cassandra CDC with Kafka and Object Storage Integration
Struggling with massive blobs clogging up your Cassandra Change Data Capture (CDC) pipeline? 😫 You're not alone.
www.youtube.com/watch?v=EL9m...
Struggling with massive blobs clogging up your Cassandra Change Data Capture (CDC) pipeline? 😫 You're not alone.
www.youtube.com/watch?v=EL9m...
Efficient export with Cassandra Analytics by Serban Teodorescu
Ever faced the daunting task of exporting massive amounts of data from a live production Cassandra cluster without causing a meltdown? 🤔
www.youtube.com/watch?v=3XcB...
Ever faced the daunting task of exporting massive amounts of data from a live production Cassandra cluster without causing a meltdown? 🤔
www.youtube.com/watch?v=3XcB...
Efficient export with Cassandra Analytics by Serban Teodorescu
Ever faced the daunting task of exporting massive amounts of data from a live production Cassandra cluster without causing a meltdown? 🤔 In this practical, real-world session from Community Over…
www.youtube.com
November 23, 2025 at 8:01 AM
Efficient export with Cassandra Analytics by Serban Teodorescu
Ever faced the daunting task of exporting massive amounts of data from a live production Cassandra cluster without causing a meltdown? 🤔
www.youtube.com/watch?v=3XcB...
Ever faced the daunting task of exporting massive amounts of data from a live production Cassandra cluster without causing a meltdown? 🤔
www.youtube.com/watch?v=3XcB...
Interested in seeing more !
The video recordings for last week's Seattle meetup are now available www.youtube.com/playlist?lis...
The video recordings for last week's Seattle meetup are now available www.youtube.com/playlist?lis...
November 20, 2025 at 5:31 PM
Interested in seeing more !
The video recordings for last week's Seattle meetup are now available www.youtube.com/playlist?lis...
The video recordings for last week's Seattle meetup are now available www.youtube.com/playlist?lis...
An incredible increase in numbers, from last week's meet-up in Seattle
cassandraossmeetup.splashthat.com
It's a repeating story of companies doubling down their consolidation efforts on Apache Cassandra.
cassandraossmeetup.splashthat.com
It's a repeating story of companies doubling down their consolidation efforts on Apache Cassandra.
November 19, 2025 at 3:04 PM
An incredible increase in numbers, from last week's meet-up in Seattle
cassandraossmeetup.splashthat.com
It's a repeating story of companies doubling down their consolidation efforts on Apache Cassandra.
cassandraossmeetup.splashthat.com
It's a repeating story of companies doubling down their consolidation efforts on Apache Cassandra.
Life is better Since we choose right keys for Cassandra Home by Gokul Prabagaren
How do you design a system that serves real-time data to millions of customers while ensuring every single transaction is perfectly accurate and auditable? 🤔
www.youtube.com/watch?v=7_1Y...
How do you design a system that serves real-time data to millions of customers while ensuring every single transaction is perfectly accurate and auditable? 🤔
www.youtube.com/watch?v=7_1Y...
Life is better Since we choose right keys for Cassandra Home by Gokul Prabagaren
How do you design a system that serves real-time data to millions of customers while ensuring every single transaction is perfectly accurate and auditable? 🤔 Step inside Capital One's massive,…
www.youtube.com
November 18, 2025 at 6:43 PM
Life is better Since we choose right keys for Cassandra Home by Gokul Prabagaren
How do you design a system that serves real-time data to millions of customers while ensuring every single transaction is perfectly accurate and auditable? 🤔
www.youtube.com/watch?v=7_1Y...
How do you design a system that serves real-time data to millions of customers while ensuring every single transaction is perfectly accurate and auditable? 🤔
www.youtube.com/watch?v=7_1Y...
Join us at the next Planet Cassandra online meetup Wed, Nov 19
for a presentation of cqlai and the AxonOps Workbench showing how it can help you write, test, and manage CQL more efficiently.
www.meetup.com/cassandra-gl...
for a presentation of cqlai and the AxonOps Workbench showing how it can help you write, test, and manage CQL more efficiently.
www.meetup.com/cassandra-gl...
Improving Cassandra Development: Unlocking Productivity with CQLAI and AxonOps, Wed, Nov 19, 2025, 10:00 AM | Meetup
Join us for an engaging session with Johnny Miller and Hayato Shimizu as they showcase how new tools are streamlining the Cassandra development experience. Discover how cql
www.meetup.com
November 16, 2025 at 8:01 AM
Join us at the next Planet Cassandra online meetup Wed, Nov 19
for a presentation of cqlai and the AxonOps Workbench showing how it can help you write, test, and manage CQL more efficiently.
www.meetup.com/cassandra-gl...
for a presentation of cqlai and the AxonOps Workbench showing how it can help you write, test, and manage CQL more efficiently.
www.meetup.com/cassandra-gl...
Our @jeffjirsa.net has built a working prototype of a Postgres SQL Layer on top Apache Cassandra.
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
cassandra-sql/README.md at main · geico/cassandra-sql
Contribute to geico/cassandra-sql development by creating an account on GitHub.
github.com
November 15, 2025 at 1:37 PM
Our @jeffjirsa.net has built a working prototype of a Postgres SQL Layer on top Apache Cassandra.
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
It is an early PoC, but it opens up a whole new chapter for us: github.com/geico/cassan...
Jump into the dev conversation here: lists.apache.org/thread/3ronb...
Cassandra Lightning Talks by Joaquin Casares and Johnny Miller
🚀 Ready to supercharge your Cassandra workflow and slash your operational costs?
www.youtube.com/watch?v=CA4i...
🚀 Ready to supercharge your Cassandra workflow and slash your operational costs?
www.youtube.com/watch?v=CA4i...
Cassandra Lightning Talks by Joaquin Casares and Johnny Miller
🚀 Ready to supercharge your Cassandra workflow and slash your operational costs? In this fast-paced session from Community Over Code 2025, Joaquin Casares and Johnny Miller of Axonops deliver a…
www.youtube.com
November 11, 2025 at 6:43 PM
Cassandra Lightning Talks by Joaquin Casares and Johnny Miller
🚀 Ready to supercharge your Cassandra workflow and slash your operational costs?
www.youtube.com/watch?v=CA4i...
🚀 Ready to supercharge your Cassandra workflow and slash your operational costs?
www.youtube.com/watch?v=CA4i...
Friendly reminder
NoSQL ≠ anti-SQL
NoSQL (2009, Johan Oskarsson & Eric Evans) is about architecture & needs, not the query syntax
It's about scale-out design, multiple writers, no single primary, & predictable growth as you add nodes
New APIs don’t define NoSQL; the distributed system design does
NoSQL ≠ anti-SQL
NoSQL (2009, Johan Oskarsson & Eric Evans) is about architecture & needs, not the query syntax
It's about scale-out design, multiple writers, no single primary, & predictable growth as you add nodes
New APIs don’t define NoSQL; the distributed system design does
November 10, 2025 at 10:12 AM
Friendly reminder
NoSQL ≠ anti-SQL
NoSQL (2009, Johan Oskarsson & Eric Evans) is about architecture & needs, not the query syntax
It's about scale-out design, multiple writers, no single primary, & predictable growth as you add nodes
New APIs don’t define NoSQL; the distributed system design does
NoSQL ≠ anti-SQL
NoSQL (2009, Johan Oskarsson & Eric Evans) is about architecture & needs, not the query syntax
It's about scale-out design, multiple writers, no single primary, & predictable growth as you add nodes
New APIs don’t define NoSQL; the distributed system design does
Choose open source– better performance, better stability, more features, no surprises.
Thanks for the write up Sean Murphy
digitalis.io/post/migrati...
Thanks for the write up Sean Murphy
digitalis.io/post/migrati...
Migrating from ScyllaDB to Apache Cassandra: Rediscovering Performance, Openness, and Long-Term Value | Digitalis Blog
ScyllaDB’s shift to a source-available license with a 10TB data cap is causing many large-scale data teams to reconsider their NoSQL database choices. Apache Cassandra 5.0 now stands out as the…
digitalis.io
November 9, 2025 at 6:47 PM
Choose open source– better performance, better stability, more features, no surprises.
Thanks for the write up Sean Murphy
digitalis.io/post/migrati...
Thanks for the write up Sean Murphy
digitalis.io/post/migrati...
Did you know Apache Cassandra was the top-most mentioned Apache technology at the ASF's Community Over Code conference this year 🫡
Thanks for the write Paul Brebner
www.linkedin.com/pulse/commun...
Thanks for the write Paul Brebner
www.linkedin.com/pulse/commun...
November 9, 2025 at 6:31 PM
Did you know Apache Cassandra was the top-most mentioned Apache technology at the ASF's Community Over Code conference this year 🫡
Thanks for the write Paul Brebner
www.linkedin.com/pulse/commun...
Thanks for the write Paul Brebner
www.linkedin.com/pulse/commun...
The Road Ahead: Next steps for Sidecar post v0.1 by Saranya Krishnakumar and Francisco Guerrero
Struggling with the operational complexity of Apache Cassandra? Tired of building and maintaining bespoke scripts and internal tools just to manage your clusters? 🤔
www.youtube.com/watch?v=Hcjk...
Struggling with the operational complexity of Apache Cassandra? Tired of building and maintaining bespoke scripts and internal tools just to manage your clusters? 🤔
www.youtube.com/watch?v=Hcjk...
The Road Ahead Next steps for Cassandra Sidecar post v0 1 by Saranya Krishnakumar and Francisco Guer
Struggling with the operational complexity of Apache Cassandra? Tired of building and maintaining bespoke scripts and internal tools just to manage your clusters? 🤔
Enter Cassandra Sidecar: the…
www.youtube.com
November 9, 2025 at 8:01 AM
The Road Ahead: Next steps for Sidecar post v0.1 by Saranya Krishnakumar and Francisco Guerrero
Struggling with the operational complexity of Apache Cassandra? Tired of building and maintaining bespoke scripts and internal tools just to manage your clusters? 🤔
www.youtube.com/watch?v=Hcjk...
Struggling with the operational complexity of Apache Cassandra? Tired of building and maintaining bespoke scripts and internal tools just to manage your clusters? 🤔
www.youtube.com/watch?v=Hcjk...
If you are in Minneapolis Nov 12th ‼️
MSP Cassandra User Group MeetUp 5-8pm
Food, drinks & some great talks…
1. Future of C* based GenAI with IBM Watsonx
2. Cassandra @ Netflix – Chris Lohfink
3. ACID Transactions with C* – Aaron Ploetz
👉🏼 Register luma.com/apfa9bdt
MSP Cassandra User Group MeetUp 5-8pm
Food, drinks & some great talks…
1. Future of C* based GenAI with IBM Watsonx
2. Cassandra @ Netflix – Chris Lohfink
3. ACID Transactions with C* – Aaron Ploetz
👉🏼 Register luma.com/apfa9bdt
MSP Cassandra User Group - November · Luma
Tentative Agenda 5:00 - 5:45: Food / Networking 5:45 - 6:15: Future of Apache Cassandra® based GenAI with IBM watsonx 6:15 – 7:00: Cassandra @ Netflix (title…
luma.com
November 4, 2025 at 6:56 PM
If you are in Minneapolis Nov 12th ‼️
MSP Cassandra User Group MeetUp 5-8pm
Food, drinks & some great talks…
1. Future of C* based GenAI with IBM Watsonx
2. Cassandra @ Netflix – Chris Lohfink
3. ACID Transactions with C* – Aaron Ploetz
👉🏼 Register luma.com/apfa9bdt
MSP Cassandra User Group MeetUp 5-8pm
Food, drinks & some great talks…
1. Future of C* based GenAI with IBM Watsonx
2. Cassandra @ Netflix – Chris Lohfink
3. ACID Transactions with C* – Aaron Ploetz
👉🏼 Register luma.com/apfa9bdt
Cassandra Constraints by Bernardo Botella Corbi
Ever worried about a 4GB DVD rip being pushed into a single database column, wreaking havoc on your CDC pipeline? 📀💥
The new constraints framework gives you powerful, granular control over your data at the schema level
www.youtube.com/watch?v=u93I...
Ever worried about a 4GB DVD rip being pushed into a single database column, wreaking havoc on your CDC pipeline? 📀💥
The new constraints framework gives you powerful, granular control over your data at the schema level
www.youtube.com/watch?v=u93I...
Apache Cassandra Constraints by Bernardo Botella Corbi
Ever worried about a 4GB DVD rip being pushed into a single database column, wreaking havoc on your CDC pipeline? 📀💥 Apache Cassandra's new constraints framework is the elegant solution you've been…
www.youtube.com
November 4, 2025 at 6:43 PM
Cassandra Constraints by Bernardo Botella Corbi
Ever worried about a 4GB DVD rip being pushed into a single database column, wreaking havoc on your CDC pipeline? 📀💥
The new constraints framework gives you powerful, granular control over your data at the schema level
www.youtube.com/watch?v=u93I...
Ever worried about a 4GB DVD rip being pushed into a single database column, wreaking havoc on your CDC pipeline? 📀💥
The new constraints framework gives you powerful, granular control over your data at the schema level
www.youtube.com/watch?v=u93I...