Gopal V created HIVE-7313:
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Summary: Allow session-level temp-tables to be marked as in-memory
tables
Key: HIVE-7313
URL: https://issues.apache.org/jira/browse/HIVE-7313
Project: Hive
Issue Type: Improvement
Components: Tez
Reporter: Gopal V
When the hadoop-2.3C shims are in action, APIs which can pin small tables into
memory are available.
Any session with an in-memory table can create HDFS in-memory pools with
default caching semantics and add its files into the cache pool.
Example code to implement the behaviour was prototyped for the Tez Application
Master, but the AM does not have enough information to determine the cache
policies.
https://github.com/rajeshbalamohan/hdfs-cache-tool/blob/master/src/main/java/org/apache/hadoop/hdfs/tools/HDFSCache.java#L74
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