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Posted to issues@ignite.apache.org by "Mirza Aliev (Jira)" <ji...@apache.org> on 2025/03/20 18:50:00 UTC

[jira] [Created] (IGNITE-24892) Support availability of SC zone when one node left in two-nodes scenario

Mirza Aliev created IGNITE-24892:
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             Summary: Support availability of SC zone when one node left in two-nodes scenario
                 Key: IGNITE-24892
                 URL: https://issues.apache.org/jira/browse/IGNITE-24892
             Project: Ignite
          Issue Type: Improvement
            Reporter: Mirza Aliev


h3. Motivation
Strongly Consistent (SC) mode of a zone guaranties data consistency using Raft algorithm. Loosing majority of nodes hosting partition means that SC partition becomes unavailable. 

Because of the Raft algorithm guaranties, we could believe that in two nodes scenario if data has been applied to Raft, that means that data is applied to both nodes. 
In that case in SC mode, even if lose one node, if we could recover availability of a partition, we won't lose data.  



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