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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hive/AdminManual/Configuration" by NamitJain
Date Wed, 31 Mar 2010 21:47:32 GMT
Dear Wiki user,

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The "Hive/AdminManual/Configuration" page has been changed by NamitJain.


  ||hive.join.emit.interval|| ||1000||
  ||hive.map.aggr.hash.percentmemory|| ||(float)0.5||
+ ||hive.merge.mapfiles||Merge small files at the end of a map-only job.||true||
+ ||hive.merge.mapredfiles||Merge small files at the end of a map-reduce job.||false||
+ ||hive.merge.size.per.task||Size of merged files at the end of the job.||256000000||
+ ||hive.merge.size.smallfiles.avgsize||When the average output file size of a job is less
than this number, Hive will start an additional map-reduce job to merge the output files into
bigger files.  This is only done for map-only jobs if hive.merge.mapfiles is true, and for
map-reduce jobs if hive.merge.mapredfiles is true.||16000000||
  === Hive MetaStore Configuration Variables ===
  ||'''Variable Name'''||'''Description'''||'''Default Value'''||

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