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https://issues.apache.org/jira/browse/HIVE-23840?focusedWorklogId=458652&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-458652
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ASF GitHub Bot logged work on HIVE-23840:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Jul/20 14:18
Start Date: 14/Jul/20 14:18
Worklog Time Spent: 10m
Work Description: szlta commented on a change in pull request #1251:
URL: https://github.com/apache/hive/pull/1251#discussion_r454390429
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/io/orc/VectorizedOrcAcidRowBatchReader.java
##########
@@ -232,6 +250,17 @@ private VectorizedOrcAcidRowBatchReader(JobConf conf,
OrcSplit orcSplit, Reporte
this.syntheticProps = orcSplit.getSyntheticAcidProps();
+ if (LlapHiveUtils.isLlapMode(conf) && LlapProxy.isDaemon()
+ && HiveConf.getBoolVar(conf, ConfVars.LLAP_TRACK_CACHE_USAGE))
+ {
+ MapWork mapWork = LlapHiveUtils.findMapWork(conf);
Review comment:
We could spare the deserialization of MapWork from JobConf here, if we
pass the MapWork instance already present in LlapRecordReader to
VectorizedOrcAcidRowBatchReader ctor. (Downside is that in turn we would need
to adjust the other ctor's of VectorizedOrcAcidRowBatchReader too)
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Issue Time Tracking
-------------------
Worklog Id: (was: 458652)
Time Spent: 20m (was: 10m)
> Use LLAP to get orc metadata
> ----------------------------
>
> Key: HIVE-23840
> URL: https://issues.apache.org/jira/browse/HIVE-23840
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> HIVE-23824 added the possibility to access ORC metadata. We can use this to
> decide which delta files should be read, and which could be omitted.
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