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From "Oleg Anastasyev (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-6862) Schema versions mismatch on large ring
Date Fri, 14 Mar 2014 18:38:43 GMT
Oleg Anastasyev created CASSANDRA-6862:

             Summary: Schema versions mismatch on large ring
                 Key: CASSANDRA-6862
             Project: Cassandra
          Issue Type: Bug
          Components: Core
         Environment: 2.0
            Reporter: Oleg Anastasyev

We have a large cluster with several hundreds nodes in 1 ring. Sometimes, especially after
massive restarts, schema versions reported on different nodes mismatch.
Investigated and found, that difference is not in schema itsself, but in thombstones (different
nodes have different set of thombstones applied to system tables).

Fixed by digesting schema with thombstones removed first.

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