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From "Mich Talebzadeh" <m...@peridale.co.uk>
Subject locks are held on tables even when no job running
Date Fri, 23 Oct 2015 07:56:20 GMT
Hi,

 

 

What is the duration of locks held in Hive?

 

I have got the following locks in Hive, although I have already killed the
jobs!

 

 

Lock ID Database        Table   Partition       State   Type    Transaction
ID  Last Hearbeat   Acquired At     User    Hostname

14031   asehadoop       t       NULL    WAITING EXCLUSIVE       NULL
1445586539232   NULL    hduser  rhes564

14029   asehadoop       t_staging       NULL    ACQUIRED        SHARED_READ
NULL    1445586247044   1445585940653   hduser  rhes564

14029   asehadoop       t       NULL    ACQUIRED        SHARED_READ     NULL
1445586247044   1445585940654   hduser  rhes564

14030   asehadoop       t       NULL    WAITING EXCLUSIVE       NULL
1445586471827   NULL    hduser  rhes564

 

 

mapred job -list

Total jobs:0

                  JobId      State           StartTime      UserName
Queue      Priority       UsedContainers  RsvdContainers  UsedMem
RsvdMem         NeededMem         AM info

 

No locks are held in metastore (Oracle in my case) as well.

 

Thanks

 

 

Mich Talebzadeh

 

Sybase ASE 15 Gold Medal Award 2008

A Winning Strategy: Running the most Critical Financial Data on ASE 15

 
<http://login.sybase.com/files/Product_Overviews/ASE-Winning-Strategy-091908
.pdf>
http://login.sybase.com/files/Product_Overviews/ASE-Winning-Strategy-091908.
pdf

Author of the books "A Practitioner's Guide to Upgrading to Sybase ASE 15",
ISBN 978-0-9563693-0-7. 

co-author "Sybase Transact SQL Guidelines Best Practices", ISBN
978-0-9759693-0-4

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Complex Event Processing in Heterogeneous Environments, ISBN:
978-0-9563693-3-8

Oracle and Sybase, Concepts and Contrasts, ISBN: 978-0-9563693-1-4, volume
one out shortly

 

 <http://talebzadehmich.wordpress.com/> http://talebzadehmich.wordpress.com

 

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