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https://issues.apache.org/jira/browse/CASSANDRA-3264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117765#comment-13117765
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T Jake Luciani commented on CASSANDRA-3264:
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So it would be one Map per column? That would work too, but I think this is a
big enough issue for folks running with timeseries type data that we should fix
it before we jump to CQL.
> Add wide row paging for ColumnFamilyInputFormat and ColumnFamilyOutputFormat
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-3264
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3264
> Project: Cassandra
> Issue Type: Improvement
> Components: Hadoop
> Reporter: T Jake Luciani
> Labels: lhf
> Fix For: 0.8.7
>
>
> Hadoop input/output formats currently can OOM on wide rows.
> We can add a new option to the ConfigHelper like columnPagingSize with a
> default of Integer.MAX_VALUE.
> The input format would page the row internally rather than pull it over at
> once.
> The output format could also use this to avoid sending huge rows over at once.
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