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Date: Fri, 14 Oct 2011 21:54:12 +0000 (UTC)
From: =?utf-8?Q?Robert_Sur=C3=B3wka_=28Commented=29_=28JIRA=29?=
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Subject: [jira] [Commented] (HIVE-2500) Allow Hive to be debugged remotely
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    [ https://issues.apache.org/jira/browse/HIVE-2500?page=3Dcom.atlassian.=
jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D13127=
896#comment-13127896 ]=20

Robert Sur=C3=B3wka commented on HIVE-2500:
--------------------------------------

Apparently this diff is still wrong (I will have to do small fix to MapRedu=
ceTask.java, when debug off, it will add just one if check for a key being =
in a map per execute() call of that task, and only if new JVM is about to b=
e started).

As I am working on it I plan to add following features:

-user could specify port on which Hive JVM will wait (8000 will be default)=
.
-user could specify whether child JVMs should be also started in debug mode=
 (default: not). If started in debug mode, child JVMs will wait on a differ=
ent ports than parent (and I will try to make it in such a way, so probabil=
ity of ports collision would be very small (to make it impossible one would=
 need to use some between process communication, since children can start t=
heir own children, and I don't want to do that yet (especially that HIVE ma=
y be deployed on various os-es). User will know on which port new JVMs are =
waiting, since upon start they print that information. New JVMs will be sta=
rted on ports higher than port of the initial JVM - so if someone needs, he=
 can set initial port to be higher than any other already used TCP port).=
=20

ETA: by mid of next week (hopefully)
               =20
> Allow Hive to be debugged remotely
> ----------------------------------
>
>                 Key: HIVE-2500
>                 URL: https://issues.apache.org/jira/browse/HIVE-2500
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Robert Sur=C3=B3wka
>            Assignee: Robert Sur=C3=B3wka
>            Priority: Minor
>         Attachments: HIVE-2500.1.patch, HIVE-2500.2.patch
>
>


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