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https://issues.apache.org/jira/browse/AVRO-108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting updated AVRO-108:
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Attachment: AVRO-108.java
Here's a patch that implements this.
> add binary comparator
> ---------------------
>
> Key: AVRO-108
> URL: https://issues.apache.org/jira/browse/AVRO-108
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Doug Cutting
> Attachments: AVRO-108.java
>
>
> Hadoop MapReduce performance benefits greatly if data may be compared without
> deserializing to an object, but rather by examining its serialized bytes
> directly. Such "raw" comparators are typically written by hand in Hadoop,
> and are very fragile.
> With Avro it is possible to generically compare two serialized byte sequences
> if their schema is known. This should work for any Avro data, regardless of
> how it was serialized or how it will be deserialized.
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