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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2015/01/08 00:17:35 UTC

[jira] [Updated] (TEZ-1078) ValuesIterator does not need to deserialize keys for comparison

     [ https://issues.apache.org/jira/browse/TEZ-1078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated TEZ-1078:
--------------------------------
    Target Version/s: 0.7.0

> ValuesIterator does not need to deserialize keys for comparison
> ---------------------------------------------------------------
>
>                 Key: TEZ-1078
>                 URL: https://issues.apache.org/jira/browse/TEZ-1078
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>
> ValuesIterator - which provides a Key, Values view - ends up deserializing each key before comparing it to the previous key when trying to determine whether a new key has been found or the next K-V pair in the IFile belongs to the same key.
> It should be possible to use the compare(byte[]. ...) method from the RawComparator interface.



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