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https://issues.apache.org/jira/browse/IGNITE-5918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118220#comment-16118220
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Igor Seliverstov commented on IGNITE-5918:
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[~vozerov], I've just added the missed tests.

> Adding and searching objects in index tree produces a lot of garbage
> --------------------------------------------------------------------
>
>                 Key: IGNITE-5918
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5918
>             Project: Ignite
>          Issue Type: Improvement
>    Affects Versions: 2.1
>            Reporter: Mikhail Cherkasov
>            Assignee: Igor Seliverstov
>
> Adding and searching objects in index tree produces a lot of garbage and this 
> can lead to big GC pauses.
> Tests with data streaming of object with 5 string indexes show that ignite 
> server spends about 15-25% CPU time in GC.
> The problem is that ignite deserialize objects for comparing, while for the 
> primitive type and strings comparing can be implemented for bytes.



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