I'm comparing different open source cloud storage technologies. I would like to know if Riak Cloud Storage (RiakCS) has any mechanism to preserve the integrity of the objects stored in it - like Openstack Swift's Integrity Audit, or Ceph's scrub. I couldn't find that information in their documentation or via google. I would appreciate if someone could shed some light on this!
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I would say, yes. RiakCS sits on top of Riak and this is a snippet from the 1.3 release notes:
Introduced Active Anti-Entropy. Riak now has active anti-entropy. In distributed systems, inconsistencies can arise between replicas due to failure modes, concurrent updates, and physical data loss or corruption. Pre-1.3 Riak already had several features for repairing this “entropy”, but they all required some form of user intervention. Riak 1.3 introduces automatic, self-healing properties that repair entropy on an ongoing basis.
Best Regards, Paul
于 2013-08-09T04:30:35.447 回答