Co-Process for backup/recovery, Token Management, and Centralized Configuration management for Cassandra.


2.x status: Build Status

3.x status: Build Status

Priam is a process/tool that runs alongside Apache Cassandra to automate the following:

  • Backup and recovery (Complete and incremental)
  • Token management
  • Seed discovery
  • Configuration
  • Support AWS environment

Apache Cassandra is a highly available, column oriented database:

The name 'Priam' refers to the King of Troy in Greek mythology, who was the father of Cassandra.

Priam is actively developed and used at Netflix.


  • Token management using SimpleDB
  • Support multi-region Cassandra deployment in AWS via public IP.
  • Automated security group update in multi-region environment.
  • Backup SSTables from local ephemeral disks to S3.
  • Uses Snappy compression to compress backup data on the fly.
  • Backup throttling
  • Pluggable modules for future enhancements (support for multiple data storage).
  • APIs to list and restore backup data.
  • REST APIs for backup/restore and other operations

Compatibility Matrix

Priam versions and their compatibility with Cassandra versions in explained in matrix below

Priam Branch (Release) Cassandra Version Description
3.11 C* 3.11 Currently it supports Apache Cassandra 3.x
3.x C* 2.1.x Any minor version of C* 2.1.x
2.x C* 2.0.x Any minor version of C* 2.0.x is supported. No longer under active development
1.2.x C* 1.2 only Any minor version of C* 1.2.x is supported. No longer under active development
1.1 C* 1.1 only No longer under active devleopment
master C* 1.2 - 2.0 Currently it supports C* v1.2 and 2.0. No longer under active development
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