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https://issues.apache.org/jira/browse/AVRO-1611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thiruvalluvan M. G. updated AVRO-1611:
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Component/s: java
> Avro-mapred should provide CombineAvroKeyInputFormat
> ----------------------------------------------------
>
> Key: AVRO-1611
> URL: https://issues.apache.org/jira/browse/AVRO-1611
> Project: Apache Avro
> Issue Type: Improvement
> Components: java
> Reporter: Bartłomiej Romański
> Priority: Minor
> Attachments: CombineAvroKeyInputFormat.java
>
>
> A serious issue with Hadoop is dealing with a huge number of small files
> (they slow down processing, overload namenode etc...).
> A common remedy for this is to use CombineFileInputFormat. However, this is
> an abstract class to need to be concretized for each InputFormat it is
> wrapping. I believe Avro should provide CombineAvroKeyInputFormat like Hadoop
> is providing CombineSequenceFileInputFormat and CombineTextInputFormat.
> I've attached a basic implementation.
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