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https://issues.apache.org/jira/browse/TAJO-1460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387635#comment-14387635
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ASF GitHub Bot commented on TAJO-1460:
--------------------------------------
Github user navis commented on a diff in the pull request:
https://github.com/apache/tajo/pull/474#discussion_r27443083
--- Diff:
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/ExternalSortExec.java
---
@@ -630,19 +636,43 @@ public TableStats getInputStats() {
CLOSED
}
+ private static class SimpleMerger extends PairWiseMerger {
--- End diff --
I'm thinking of rewriting current up-heap to down-heap to reduce comparing
further (50% for average AFAIK). So I've named it randomly. Till then let's
name it VectorComparePairWiseMerger.
> Apply TAJO-1407 to ExternalSortExec
> -----------------------------------
>
> Key: TAJO-1460
> URL: https://issues.apache.org/jira/browse/TAJO-1460
> Project: Tajo
> Issue Type: Improvement
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
>
> Tipped by @Hyoungjun Kim. Seemed possible to apply easily.
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