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Posted to issues@ignite.apache.org by "Zaar Hai (Jira)" <ji...@apache.org> on 2020/04/14 11:34:00 UTC

[jira] [Created] (IGNITE-12896) excludeNeighbors=true breaks zone-awareness

Zaar Hai created IGNITE-12896:
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             Summary: excludeNeighbors=true breaks zone-awareness
                 Key: IGNITE-12896
                 URL: https://issues.apache.org/jira/browse/IGNITE-12896
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 2.8
            Reporter: Zaar Hai


Good day,

 

If I configure node config as in the official [example |[https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/cache/affinity/rendezvous/ClusterNodeAttributeAffinityBackupFilter.html]] but also set excludeNeighbors to true, then zone-aware partition distribution simply doesn't work. No errors or warnings that  found - it is just does not work. 

From documentation it's not clear (at least to me) that excludeNeighbors=true has such a critical implication on zone-awareness info. From what is sounds, zone-awareness is an extension of excludeNeighbors.

I think this behavour should be fixed or at least documented with big red signs. As it's now, it resulted in several days of my time batting with zone-aware setup.

There are more details here in this StackOverflow question: [https://stackoverflow.com/questions/61062929/apache-ignite-zonerack-aware-parititons/61189356#61189356]



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