[
https://issues.apache.org/jira/browse/HIVE-1626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chunhui Yang updated HIVE-1626:
-------------------------------
Description:
我们目前使用 Stack 作为通用节点遍历库的一部分。不应将 Stack 用于此目的，因为它从 Vector 继承会产生多余的同步开销。
大多数项目最终都会添加一个 ArrayStack 实现并改用它。
was:
We currently use Stack as part of the generic node walking library. Stack
should not be used for this since its inheritance from Vector incurs
superfluous synchronization overhead.
Most projects end up adding an ArrayStack implementation and using that instead.
> stop using java.util.Stack
> --------------------------
>
> Key: HIVE-1626
> URL: https://issues.apache.org/jira/browse/HIVE-1626
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 0.7.0
> Reporter: John Sichi
> Assignee: Teddy Choi
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-1626.2.patch, HIVE-1626.2.patch, HIVE-1626.3.patch,
> HIVE-1626.3.patch, HIVE-1626.3.patch
>
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> 我们目前使用 Stack 作为通用节点遍历库的一部分。不应将 Stack 用于此目的，因为它从 Vector 继承会产生多余的同步开销。
> 大多数项目最终都会添加一个 ArrayStack 实现并改用它。
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
