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https://issues.apache.org/jira/browse/IGNITE-3321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15404825#comment-15404825
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Igor Rudyak commented on IGNITE-3321:
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Not sure about the bug opened for the issue. Just know that two CacheStore
implementations (JDBC and Cassandra based) are affected by this.
> Address possible data corruption in Persistent Store implementations
> --------------------------------------------------------------------
>
> Key: IGNITE-3321
> URL: https://issues.apache.org/jira/browse/IGNITE-3321
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Affects Versions: 1.6
> Environment: any
> Reporter: Alexandre Boudnik
> Assignee: Alexandre Boudnik
> Priority: Critical
> Original Estimate: 504h
> Remaining Estimate: 504h
>
> When records from partitions on different nodes are committed, each node uses
> its own SQL connection. It is possible that one of DML statements will fail
> on one of the connections, while others have committed successfully.
> And we need to make a very hard decision:
> - If we ignore fail then we will lose some changes.
> - If we throw an exception we will make inconsistent changes.
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