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Apache Cassandra is an open source NoSQL distributed database offering linear scalability, proven fault-tolerance, and a masterless architecture for mission-critical data across cloud or on-premises deployments.
Start here for the decision-making essentials: what Apache Cassandra does, who it is for, how it is accessed, and the first-party sources behind this profile.
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Short answers to the questions buyers and builders commonly ask about Apache Cassandra. Each answer cites the shared ledger below, where every source is listed once.
Linear scalability with no downtime when adding machines · Survives an entire data center outage with no data loss · Multi-datacenter replication with no single points of failure · Failed nodes can be replaced with no downtime
Read and write throughput both increase linearly as new machines are added, with no downtime or interruption to applications
Used across IT, Financial Services, Healthcare, Retail, Government, and Education by compa · Used by over 30,000 organizations worldwide
it's used by all sizes of organizations serving varied technical and business domains, such as IT Financial Services, Healthcare, Retail, Government, and Education
Reaper is an open source Java tool originally designed by Spotify to schedule and orchestr
Originally designed by Spotify, Reaper is an open source written in Java to schedule and orchestrate repairs of Apache Cassandra clusters.
Liquibase supports Apache Cassandra 3.11 and 4.0 for database change management
Read the case study on Liquibase, which is both the name for an open source project for database change management and a company offering a paid-for version, and supports Apache Cassandra 3.11 and 4.0.
Runs on commodity hardware, public cloud, private cloud, and on-premises · Across public or private clouds and on-premises · Supported via community-developed Cassandra operators and open source distributions for Ku
Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data
Audit logging of DML, DDL, and DCL activity with minimal workload impact · Configurable SSL/TLS (including mTLS) for data in transit in Cassandra 4.0+ · Apache Cassandra 4.1 introduces pluggable configuration for customizing the SSL context fo · Supports PEM-based security credentials including private key, certificate chain, and trus
The audit logging feature for operators tracks the DML, DDL, and DCL activity with minimal impact to normal workload performance
This profile connects the jobs Apache Cassandra is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
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Open Source NoSQL Database
Open Source NoSQL distributed database · Linear scalability with no downtime when adding machines · Survives an entire data center outage with no data loss
Open Source NoSQL distributed database
Linear scalability with no downtime when adding machines
Survives an entire data center outage with no data loss
Multi-datacenter replication with no single points of failure
Failed nodes can be replaced with no downtime
Configurable synchronous or asynchronous replication per update with Hinted Handoff and Read Repair
Hybrid Masterless (peer-to-peer) architecture with identical nodes
Runs on commodity hardware, public cloud, private cloud, and on-premises
Across public or private clouds and on-premises
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.
A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.
Showing the newest updates and meaningful milestones. Open an entry for its summary and source.
The Apache Cassandra User Survey 2024 results were published, capturing 140 responses on use cases, deployment environments, version adoption, and ratings.
View source [7]The Apache Cassandra community published findings from the 2024 user survey, capturing use cases, deployment patterns, version adoption, and overall satisfaction from approximately 140 respondents.
View source [7]Apache Cassandra 5.0 reached general availability as a major release, introducing Storage Attached Indexes, Trie Memtables and Trie SSTables, JDK 17 support, Unified Compaction Strategy, and Vector Search.
View source [10]Apache Cassandra 5.0 will add mathematical CQL functions enabling data manipulation and analysis at the coordinator level, reducing network data movement.
View source [8]A Cassandra 5.0 feature preview detailed mathematical CQL functions enabling arithmetic and statistical computations at the coordinator level, reducing data transfer overhead across distributed nodes.
View source [8]Apache Cassandra began a blog series on SSL/TLS configuration flexibility in version 4.0+ to improve the database's security posture.
View source [3]Apache Cassandra 4.0+ enables customizable SSL/TLS configuration. The post explains context and approach for securing data in transit for the database used in mission-critical deployments.
View source [3]Apache Cassandra formalized its release process rules, prioritizing stability for GA patch releases, non-breaking changes for minor releases, and disruptive changes for major releases.
View source [4]Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
These tools share a workflow, capability or audience with Apache Cassandra. They may complement it rather than replace it, and are not presented as integrations or endorsements.
Audit logging of DML, DDL, and DCL activity with minimal workload impact
Configurable SSL/TLS (including mTLS) for data in transit in Cassandra 4.0+
Used across IT, Financial Services, Healthcare, Retail, Government, and Education by companies of all sizes
Apache Cassandra is an open source NoSQL database
Scalable data handling with powerful CQL math functions for real-time processing
Used by over 30,000 organizations worldwide
Apache Cassandra 5.0 (general availability announced)
Supported via community-developed Cassandra operators and open source distributions for Kubernetes
Five operators have been created to run containerized Apache Cassandra on Kubernetes
Apache Cassandra 4.1 introduces pluggable configuration for customizing the SSL context for TLS encryption with built-in PEM-based credential support
Supports PEM-based security credentials including private key, certificate chain, and trusted CA certificates
Liquibase supports Apache Cassandra 3.11 and 4.0 for database change management
Database audit logging captures critical data change events including what data changed and who triggered the event
Reaper is an open source Java tool originally designed by Spotify to schedule and orchestrate repairs of Apache Cassandra clusters
Provides fault tolerance at scale, with single failing nodes not impacting customers
Open source NoSQL distributed database for scalability and high availability · Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructur · Hybrid Masterless architecture with no single points of failure and no network bottlenecks
Open source NoSQL distributed database for scalability and high availability
Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure
Hybrid Masterless architecture with no single points of failure and no network bottlenecks
Runs across public or private clouds and on-premises
Designed for cloud and Kubernetes environments with elastic scaling and Zero Copy Streaming
Apache Cassandra 4.0+ enables flexible SSL/TLS configuration and mTLS support
Audit logging feature tracks DML, DDL, and DCL activity with minimal workload impact
Open source
Apache Software Foundation project governed by a Project Management Committee (PMC)
Used alongside Apache Kafka, Apache Spark, and Apache Solr
Adopted by organizations across IT, Financial Services, Healthcare, Retail, Government, and Education
Mission-critical data that must survive data center outages
The community released findings from the first annual global survey of 901 IT practitioners on Cassandra usage, covering adoption drivers, deployment choices, and barriers to migration across 13 geographies.
View source [9]
