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Hadoop >> mail # user >> why the empty file need occupy one split?


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why the empty file need occupy one split?
hi,maillist:
           i read the code of FileInputFormat,and find it will make a split
for empty file,but i think it's no means do such things,and it will cause
MR framework create a extra map task to do things,anyone can explain?
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