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https://issues.apache.org/jira/browse/IGNITE-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15309970#comment-15309970
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Vladimir Ozerov commented on IGNITE-3191:
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{{TreeMap}} is slower than {{LinkedHashMap}}, and we didn't consider many
distinct field combinations as a common use case.
Moreover, even now I don't understand well why we should bother with changing
everything from unordered to ordered structure.
> BinaryObjectBuilder: binary schema id depends on the order of fields addition
> -----------------------------------------------------------------------------
>
> Key: IGNITE-3191
> URL: https://issues.apache.org/jira/browse/IGNITE-3191
> Project: Ignite
> Issue Type: Bug
> Reporter: Denis Magda
> Fix For: 1.7
>
>
> Presently if an object is created using BinaryObjectBuilder then several
> BinarySchemes can be generated for the same set of fields in case when fields
> are added in a different order.
> This happens because {{LinkedHashMap}} is used underneath. However we should
> rely on order-free structure like {{TreeMap}}.
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