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https://issues.apache.org/jira/browse/HIVE-18343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397899#comment-16397899
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Sahil Takiar commented on HIVE-18343:
-------------------------------------
+1
> Remove LinkedList from ColumnStatsSemanticAnalyzer.java
> -------------------------------------------------------
>
> Key: HIVE-18343
> URL: https://issues.apache.org/jira/browse/HIVE-18343
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Affects Versions: 3.0.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Trivial
> Attachments: HIVE-18343.1.patch, HIVE-18343.2.patch,
> HIVE-18343.3.patch, HIVE-18343.4.patch
>
>
> Remove {{LinkedList}} in favor of {{ArrayList}} for class
> {{org.apache.hadoop.hive.ql.parse.ColumnStatsSemanticAnalyzer}}.
> {quote}
> The size, isEmpty, get, set, iterator, and listIterator operations run in
> constant time. The add operation runs in amortized constant time, that is,
> adding n elements requires O\(n\) time. All of the other operations run in
> linear time (roughly speaking). *The constant factor is low compared to that
> for the LinkedList implementation.*
> {quote}
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