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Apache Tez was added in Hive 0.13.0 (HIVE-4660 and HIVE-6098). For information see the design document Hive on Tez.
Besides Besides the configuration properties listed in this section, these some properties in other sections are also related to Tez:
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Whether to generate the splits locally or in the ApplicationMaster (Tez only).
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Whether to send the query plan via local resource or RPC.
hive.prewarm.enabled
Enables container prewarm for Tez (Hadoop 2 only).
hive.prewarm.numcontainers
Controls the number of containers to prewarm for Tez (Hadoop 2 only).
hive.hive.merge.tezfiles
xxxMerge small files at the end of a Tez DAG.
hive.tez.input.format
- Default Value:
xx
org.apache.hadoop.hive.ql.io.HiveInputFormat
- Added In: Hive 0.13.0 with HIVE-6498 and HIVE-6360
xxxThe default input format for Tez. Tez groups splits in the AM (ApplicationMaster).
hive.tez.container.size
xxx
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By default Tez will spawn containers of the size of a mapper. This can be used to overwrite.
hive.tez.java.opts
By default Tez will use the Java options from map tasks. This can be used to overwrite.xxx
hive.convert.join.bucket.mapjoin.tez
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