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https://issues.apache.org/jira/browse/IGNITE-4779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950521#comment-15950521
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ASF GitHub Bot commented on IGNITE-4779:
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Github user gvvinblade closed the pull request at:
https://github.com/apache/ignite/pull/1597
> 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
> 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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