[jira] [Created] (IGNITE-4779) Missed discovery data snapshot during exchange processing

[Anton Vinogradov (Jira)]

Semen Boikov created IGNITE-4779:
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             Summary: Missed discovery data snapshot during exchange processing
                 Key: IGNITE-4779
                 URL: https://issues.apache.org/jira/browse/IGNITE-4779
             Project: Ignite
          Issue Type: Bug
          Components: cache
            Reporter: Semen Boikov
            Assignee: Igor Seliverstov
            Priority: Critical
             Fix For: 2.0


Currently GridDiscoveryManager stores only 500 last discovery data snapshots, if in 'resolveDiscoCache' requested version is not available it just throws IgniteException. It is possible while exchange is processed on topology version N, lot of discovery events is generated (e.g. in case of client caches start) and version N is removed from history. For exchange solution is simple: when exchange is triggered need save discovery snapshot in exchange future.

Also need review others places where discovery history is used.



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