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Posted to user@hive.apache.org by mahender bigdata <Ma...@outlook.com> on 2016/01/08 21:38:36 UTC

Benefit of following setting.

Hi,

I have doubt on following setting, where i could not find clear meaning 
of these setting

  * SET hive.optimize.index.filter=false;



  * set hive.mapjoin.hybridgrace.hashtable=false;


  * set hive.optimize.null.scan=false;


  * Is there any negative by enabling hive.optimize.index.filter all the
    time.



  * If smaller dataset, try to run local mode i.e set
    hive.auto.convert.join=true; Can any one tell me what is meant by
    local mode and cluster/server mode ?

Thanks in advance

Mahender