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  1. Cassandra
  2. CASSANDRA-14412

Restore automatic snapshot of system keyspace during upgrade

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    • Severity:
      Normal
    • Since Version:
      4.0

      Description

      Since 2.2, the installed version is compared with the version persisted in system.local (if any) at startup. If these versions differ, the system keyspace is snapshotted before proceeding in order to enable a rollback if any other issue prevents startup from completing. Although the method to perform this check & snapshot is still present in SystemKeyspace, its only callsite was mistakenly removed from CassandraDaemon in CASSANDRA-12716.

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            • Assignee:
              samt Sam Tunnicliffe
              Reporter:
              samt Sam Tunnicliffe
              Authors:
              Sam Tunnicliffe
              Reviewers:
              Aleksey Yeschenko, Tommy Stendahl
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              • Created:
                Updated:
                Resolved: