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https://issues.apache.org/jira/browse/HIVE-4239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14568435#comment-14568435
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Thejas M Nair commented on HIVE-4239:
-------------------------------------
I am sorry about the delay in adding comments (as the patch has been around for
couple of days). I will do some more review of associated code related to the
HIVE-6245 issue by tomorrow.
[~sershe] Did you do any survey of all static variables used in compilation ? I
am just trying to to understand how you determined the changes that are needed.
Maybe we should also check if there are potentially any libraries that we use
that might be thread unsafe (say the parser libraries etc).
For identifying potential race conditions, some testing alone would not
suffice, a systematic review of code is very important.
Any reports of race conditions are extremely hard to debug. Anything we can do
to reduce the chances of that would be very valuable.
> Remove lock on compilation stage
> --------------------------------
>
> Key: HIVE-4239
> URL: https://issues.apache.org/jira/browse/HIVE-4239
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2, Query Processor
> Reporter: Carl Steinbach
> Assignee: Sergey Shelukhin
> Attachments: HIVE-4239.01.patch, HIVE-4239.02.patch,
> HIVE-4239.03.patch, HIVE-4239.04.patch, HIVE-4239.05.patch, HIVE-4239.patch
>
>
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