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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)

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Latest posts by Apache Cassandra® @cassandra.apache.org

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See Apache Cassandra’s activity on LinkedIn Sign in or join now to see posts like this one and more.

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08.03.2026 08:01 👍 1 🔁 0 💬 0 📌 0
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Happy Friday! Let's talk about Apache Cassandra "CEP-51: Support Include Semantics for cassandra.yaml" for a hot minute. This CEP proposes a way to split up this crucial and large file. Benefits… | Mariah McLaughlin Happy Friday! Let's talk about Apache Cassandra "CEP-51: Support Include Semantics for cassandra.yaml" for a hot minute. This CEP proposes a way to split up this crucial and large file. Benefits include...

www.linkedin.com/posts/mariah...

03.03.2026 18:48 👍 0 🔁 0 💬 0 📌 0
Travel Assistance Committee - TAC The Travel Assistance Committee helps people get to ASF related events that they could not otherwise afford to attend.

Apache Software Foundation announced the opening of Travel Assistance Applications for next Community Over Code in Glasgow next October. tac.apache.org

If you are planning to be around, please come and say hi on the @cassandra.apache.org track!

01.03.2026 18:06 👍 3 🔁 3 💬 0 📌 0
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We're halfway through this series on Apache Cassandra CEPs. Next up is "CEP-52: Schema Annotations for Apache Cassandra." Documenting your data provides a multitude of benefits from clarity for users… | Mariah McLaughlin We're halfway through this series on Apache Cassandra CEPs. Next up is "CEP-52: Schema Annotations for Apache Cassandra." Documenting your data provides a multitude of benefits from clarity for users...

www.linkedin.com/posts/mariah...

01.03.2026 08:01 👍 1 🔁 0 💬 0 📌 0
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Shout out to Sam Lightfoot for an amazing contribution to Apache Cassandra! CASSANDRA-19987 now gives us the option to use Direct IO on compaction reads. There's a great reason to do… | Jon Haddad Shout out to Sam Lightfoot for an amazing contribution to Apache Cassandra! CASSANDRA-19987 now gives us the option to use Direct IO on compaction reads. There's a great reason to do this: Compaction...

www.linkedin.com/posts/rustyr...

24.02.2026 18:43 👍 1 🔁 0 💬 0 📌 0
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22.02.2026 08:01 👍 2 🔁 1 💬 0 📌 0
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Community Over Code Call for Presentations Now Open: Introducing Lakehouse Day EU 2026  - The ASF Blog Conference organizers for The ASF are pleased to announce the Call for Presentations for two events coming in October. This year, Community Over Code Glasgow will feature a co-located, standalone,…

Cassandra Track at Community over Code ‼️
Submit your talks 🙏
This is the main event for our community to connect this year 🪩

news.apache.org/foundation/e...

17.02.2026 18:43 👍 1 🔁 0 💬 0 📌 0
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15.02.2026 08:01 👍 0 🔁 0 💬 0 📌 0
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JDK21 support | Dmitry Konstantinov 🎉 JDK 21 support has been merged into Cassandra trunk! https://lnkd.in/eZrtd6vD We now have access to GenZGC, new Java APIs, and the performance improvements available in this JDK LTS release. Huge...

www.linkedin.com/posts/dmitry...

13.02.2026 12:22 👍 1 🔁 0 💬 0 📌 0
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Open Source – Amazon Web Services

@awscloud.bsky.social, thanks for the love ❤️

Supporting (vendor-neutral) open source projects is everything to us.
aws.amazon.com/opensource/

03.02.2026 18:43 👍 2 🔁 0 💬 0 📌 0
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GitHub - apache/cassandra-nodejs-driver: Node.js Driver for Apache Cassandra Node.js Driver for Apache Cassandra. Contribute to apache/cassandra-nodejs-driver development by creating an account on GitHub.

The NodeJS Driver is officially in the project, thanks to the donation from @datastax.dev & IBM

Now found at github.com/apache/cassa...

Reach out, get involved in next steps post-donation: moving docs & first release.
These are fun and easy ways to get involved & become part of our dev community

01.02.2026 11:06 👍 2 🔁 0 💬 0 📌 0
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@IBM, thanks for the love ❤️

Supporting (vendor-neutral) open source projects is everything to us.
www.ibm.com/opensource/

01.02.2026 10:47 👍 4 🔁 0 💬 0 📌 0
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Apple Open Source community Project

Apple, thanks for the love ❤️

Supporting (vendor-neutral) open source projects is everything to us.
opensource.apple.com/projects/cas...

27.01.2026 18:43 👍 5 🔁 0 💬 0 📌 1
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Apache Cassandra® New York Metro Area User Group · Luma Agenda 5 - 5:45: Pizza / Beer 5:45 - 6:15: NetApp, what we do, our role in open source - Mariah McLaughlin, NetApp 6:15 - 7:00: Unleashing AI in Cassandra 5…

The NEXT New York Area Cassandra User Group will be held at the NetApp NYC office, 18th February. Help spread the word! luma.com/q6kuetpe

26.01.2026 19:23 👍 1 🔁 1 💬 0 📌 0
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Apache Cassandra® New York Metro Area User Group · Luma Agenda 5 - 5:45: Pizza / Beer 5:45 - 6:15: NetApp, what we do, our role in open source - Mariah McLaughlin, NetApp 6:15 - 7:00: Unleashing AI in Cassandra 5…

The NEXT NY Area Cassandra User Group will be held at the NetApp NYC office, 18th February.
please help spread the word! luma.com/q6kuetpe

26.01.2026 16:37 👍 3 🔁 1 💬 0 📌 0
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Our commitment to open source Here at Instaclustr, we live and breathe open source. Discover all the ways we’re helping to keep it cutting edge and accessible for everyone.

NetApp Instacluster, thanks for the love ❤️

Supporting (vendor-neutral) open source projects is everything to us.
www.instaclustr.com/our-commitme...

25.01.2026 08:01 👍 5 🔁 0 💬 0 📌 0
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Bloomberg's Open Source project contributions and utilization Hundreds of our employees have contributed code, documentation, tests or other significant enhancements and improvements to Open Source projects.

@bloomberg.com, thanks for the love ❤️

Supporting (vendor-neutral) open source projects is everything to us.
www.bloomberg.com/company/valu...

20.01.2026 18:43 👍 3 🔁 2 💬 0 📌 0

Not Only did the NoSQL moniker come from a Apache Cassandra dev,
Apache Cassandra remains the leading popular open source NoSQL database today.

#support_open_source_technologies

13.01.2026 18:43 👍 1 🔁 0 💬 0 📌 0

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

11.01.2026 08:01 👍 3 🔁 0 💬 0 📌 0

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!

09.01.2026 22:41 👍 2 🔁 1 💬 0 📌 0

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

06.01.2026 18:43 👍 3 🔁 0 💬 0 📌 0
Cassandra 5.0 performance improvements.

Cassandra 5.0 performance improvements.

Sharing my 2025 Apache Cassandra Year in Review and Gratitudes –
lists.apache.org/thread/ztzzr...

30.12.2025 11:55 👍 3 🔁 1 💬 0 📌 0
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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.

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

23.12.2025 18:43 👍 3 🔁 1 💬 0 📌 0
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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.

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

21.12.2025 08:01 👍 5 🔁 1 💬 0 📌 1
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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…

Jon Haddad's fouth post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/re...

14.12.2025 08:01 👍 1 🔁 0 💬 0 📌 0
image from chatgpt

image from chatgpt

Jon Haddad's third post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/07...

09.12.2025 18:43 👍 0 🔁 0 💬 0 📌 0
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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…

Jon Haddad's second post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/04...

07.12.2025 08:01 👍 1 🔁 0 💬 0 📌 0
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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…

Jon Haddad's first post in his Cassandra series on maximising cost efficiency
rustyrazorblade.com/post/2025/03...

02.12.2025 18:43 👍 2 🔁 1 💬 0 📌 0
Cassandra as a Cloud Native System of Record: Unlocking the Big Data Ecosystem with Modular APIs
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…

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...

30.11.2025 08:01 👍 2 🔁 0 💬 0 📌 0
Handling Large Blobs in Apache Cassandra CDC with Kafka and Object Storage Integration
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…

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...

25.11.2025 18:43 👍 0 🔁 0 💬 0 📌 0