[jira] [Assigned] (HIVE-29232) set hive.exec.parallel=true; 引发同一个sql，并行stage的map.xml文件路径重复，导致任务偶现出错

[lkl (Jira)]

     [ 
https://issues.apache.org/jira/browse/HIVE-29232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

lkl reassigned HIVE-29232:
--------------------------

    Assignee: lkl

> set hive.exec.parallel=true; 引发同一个sql，并行stage的map.xml文件路径重复，导致任务偶现出错
> --------------------------------------------------------------------
>
>                 Key: HIVE-29232
>                 URL: https://issues.apache.org/jira/browse/HIVE-29232
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>    Affects Versions: 2.3.7, 3.1.3, 4.0.1
>            Reporter: lkl
>            Assignee: lkl
>            Priority: Critical
>             Fix For: 4.0.1
>
>         Attachments: 111.png, fix-1.patch
>
>
> int pathId=10000
>  
> public Path getMRTmpPath() {
> return new Path(getMRScratchDir(), MR_PREFIX + nextPathId());
> }
>  
> // 这段代码在并发执行时可能出现返回值一样的情况
> private String nextPathId() {
> return Integer.toString(pathid++);
> }



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