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Lefty Leverenz commented on HIVE-16260: --------------------------------------- Doc note: This adds *hive.tez.min.bloom.filter.entries*, *hive.tez.bloom.filter.factor*, and *hive.tez.bigtable.minsize.semijoin.reduction* to HiveConf.java. They need to be documented in the wiki. * [Configuration Properties -- Tez | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-Tez] Added a TODOC2.2 label. > Remove parallel edges of semijoin with map joins. > ------------------------------------------------- > > Key: HIVE-16260 > URL: https://issues.apache.org/jira/browse/HIVE-16260 > Project: Hive > Issue Type: Task > Reporter: Deepak Jaiswal > Assignee: Deepak Jaiswal > Labels: TODOC2.2 > Fix For: 2.2.0 > > Attachments: HIVE-16260.1.patch, HIVE-16260.2.patch, > HIVE-16260.3.patch, HIVE-16260.4.patch, HIVE-16260.5.patch > > > Remove parallel edges of semijoin with map joins as they don't give any > benefit to the query. > Also, ensure that bloom filters are created to handle at least 1M entries and > the semijoin is disabled if the big table has less than 1M rows. > Both these features are configurable. -- This message was sent by Atlassian JIRA (v6.3.15#6346)