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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2016/11/06 19:02:58 UTC
[jira] [Closed] (IGNITE-4086) Binary objects: Do not use
BinaryField when comparing objects with the same schema.
[ https://issues.apache.org/jira/browse/IGNITE-4086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vladimir Ozerov closed IGNITE-4086.
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> Binary objects: Do not use BinaryField when comparing objects with the same schema.
> -----------------------------------------------------------------------------------
>
> Key: IGNITE-4086
> URL: https://issues.apache.org/jira/browse/IGNITE-4086
> Project: Ignite
> Issue Type: Task
> Components: binary
> Affects Versions: 1.7
> Reporter: Vladimir Ozerov
> Labels: performance
> Fix For: 1.8
>
>
> Most often we perform comparisons of objects with the same schema. When it is so, there is no need to compare them field-by-field. Instead, we should do the following:
> 1) Skip header
> 2) Skip footer
> 3) Compare byte-by-byte everything in between.
> Please ensure that byte-by-byte comparison is implemented efficiently. E.g. that we actually compare bigger chunks (e.g. 8 bytes at once).
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