hadoop-hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1350) hive.query.id is not unique
Date Tue, 18 May 2010 22:54:54 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868884#action_12868884
] 

John Sichi commented on HIVE-1350:
----------------------------------

Random with no args is seeded by current time in millis, so when run from two different JVM's
there's still a tiny chance that we can end up with the same query ID.  If we want to avoid
that, we can use UUID instead:

http://java.sun.com/j2se/1.5.0/docs/api/java/util/UUID.html

But if we only care about uniqueness within the same JVM, then +1.


> hive.query.id is not unique 
> ----------------------------
>
>                 Key: HIVE-1350
>                 URL: https://issues.apache.org/jira/browse/HIVE-1350
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.1350.1.patch
>
>
> if commands are executed by the same user within a second

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message