[jira] [Updated] (HIVE-17195) Long chain of tasks created by REPL LOAD shouldn't cause stack corruption.

["Sankar Hariappan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-17195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sankar Hariappan updated HIVE-17195:
------------------------------------
    Attachment: HIVE-17195.01.patch

Added 01.patch with changes to replace recursive calls with while loops when traverse the DAGs.
Request [~daijy]/[~anishek]/[~thejas] to please review it!

> Long chain of tasks created by REPL LOAD shouldn't cause stack corruption.
> --------------------------------------------------------------------------
>
>                 Key: HIVE-17195
>                 URL: https://issues.apache.org/jira/browse/HIVE-17195
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2, repl
>    Affects Versions: 2.1.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17195.01.patch
>
>
> Currently, long chain REPL LOAD tasks lead to huge recursive calls when try to traverse the DAG.
> For example, getMRTasks, getTezTasks, getSparkTasks and iterateTasks methods run recursively to traverse the DAG.
> Need to modify this traversal logic to reduce stack usage.



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