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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/11/06 18:05:00 UTC
[jira] [Resolved] (HIVE-17944) OrcSplit.canUseLlapIo() disables
LLAP IO for non-vectorized acid reads
[ https://issues.apache.org/jira/browse/HIVE-17944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eugene Koifman resolved HIVE-17944.
-----------------------------------
Resolution: Won't Fix
subsumed by HIVE-17915
> OrcSplit.canUseLlapIo() disables LLAP IO for non-vectorized acid reads
> ----------------------------------------------------------------------
>
> Key: HIVE-17944
> URL: https://issues.apache.org/jira/browse/HIVE-17944
> Project: Hive
> Issue Type: Sub-task
> Components: llap, Transactions
> Affects Versions: 3.0.0
> Reporter: Eugene Koifman
>
> As of HIVE-17458, the logic for Acid reads is enable LLAP IO for vectorized read if VectorizedOrcAcidRowBatchReader can handle it.
> and disable it for any non-vectorized acid read. This last part is on par with HIVE-12631.
> The reason is that LlapRecordReader creates VectorizedOrcAcidRowBatchReader for acid + vectorization, but doesn't create any Acid aware reader w/o vectorization.
> cc [~sershe], [~teddy.choi]
>
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