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https://issues.apache.org/jira/browse/HIVE-9420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14355307#comment-14355307
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Sergey Shelukhin commented on HIVE-9420:
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Updated title according to recent discussion
> LLAP: separate decoding thread from read/uncompress thread
> ----------------------------------------------------------
>
> Key: HIVE-9420
> URL: https://issues.apache.org/jira/browse/HIVE-9420
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
>
> Right now reader is a callable that is dumped into threadpool, and all the
> data loading for one request happens on one thread (in parallel with operator
> pipeline).
> We might want to separate reading from HDFS/decompressing data, from decoding
> data and low-level row-level SARGs (that, and high level cache which is AWOL
> now, were the reasons for encoded data production separation from final VRB
> production)
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