[jira] [Commented] (IGNITE-5795) Binary metadata is not registered during start of cache

["Ignite TC Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-5795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16926441#comment-16926441 ] 

Ignite TC Bot commented on IGNITE-5795:
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> Binary metadata is not registered during start of cache
> -------------------------------------------------------
>
>                 Key: IGNITE-5795
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5795
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.0
>            Reporter: Dmitry Karachentsev
>            Assignee: Anton Kalashnikov
>            Priority: Major
>              Labels: usability
>             Fix For: 2.8
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> When cache configured with QueryEntity and used key type with @AffinityKeyMapped field, it will be ignored and wrong partition calculated. This happens because QueryEntity processing precedes key type registering in binary meta cache. On that step CacheObjectBinaryProcessorImpl#affinityKeyField called and unable to resolve type, so null returned and null putted in affKeyFields.
> On next put/get operation CacheObjectBinaryProcessorImpl#affinityKeyField will return null from affKeyFields, but should be affinity key field.
> Test that reproduces problem in [PR 2330|https://github.com/apache/ignite/pull/2330]
> To wrorkaround the issue, set IgniteConfiguration#setKeyConfiguration(), it will force registering key.
> *Root cause of this behaviour* is that in during cache registration registration of metadata doesn't happen. It lead to exchange messages like (MappingProposedMessage, MetadataRequestMessage etc.) which are often redundant and also lead to behaviour described above(unhandled AffinityKeyMapped).
> Main idea to fix this problem it is registration of metadata locally in during cache start  on each node without messages exchange.



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