Cassandra Reaper

Reaper is an open source tool that aims to schedule and orchestrate repairs of Apache Cassandra clusters.

It improves the existing nodetool repair process by

  • Splitting repair jobs into smaller tunable segments.
  • Handling back-pressure through monitoring running repairs and pending compactions.
  • Adding ability to pause or cancel repairs and track progress precisely.

Reaper ships with a REST API, a command line tool and a web UI.


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