Jepsen: Elasticsearch 1.5.0
Previously, on Jepsen, we demonstrated stale and dirty reads in MongoDB. In this post, we return to Elasticsearch, which loses data when the network fails, nodes pause, or processes crash. Nine months ago, in June 2014, we saw Elasticsearch lose both updates and inserted documents during transitive, nontransitive, and even single-node network partitions. Since then, folks continue to refer to the
The network is reliable
I’ve been discussing Jepsen and partition tolerance with Peter Bailis over the past few weeks, and I’m honored to present this post as a collaboration between the two of us. We’d also like to extend our sincere appreciation to everyone who contributed their research and experience to this piece. Network partitions are a contentious subject. Some claim that modern networks are reliable and that we
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