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HDFS >> mail # user >> Is the input values for reduce method sorted in any order?


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Is the input values for reduce method sorted in any order?
Is the Iterable values associated with a key sorted in any order?  Are
there are any configuration options controlling how the input values are
sorted?

I know that the secondary sort way can be used to achieve the same
effect. I am not asking for a workaround.

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Jingguo
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB