If you are using DummyTxnManager, please see HIVE-9199 which should resolve the issue.
Thanks Chaoyu On Wed, Feb 25, 2015 at 11:57 PM, Alan Gates <alanfga...@gmail.com> wrote: > What lock manager are you using? > > Alan. > > Jim Green <openkbi...@gmail.com> > February 25, 2015 at 17:24 > Hi Team, > > Here is old thread about this issue: > http://qnalist.com/questions/5091386/doubt-about-locking-mechanism-in-hive > > I met the same issue that when reading one table in session A, we can not > create a table in the same database in session B. Basically it causes > database level lock in Hive 0.13 when hive.support.concurrency=true. > > Minimum reproduce: > --Session A: > > create table passwords (col0 string, col1 string, col2 string, col3 > string, col4 string, > col5 string, col6 string) ROW FORMAT DELIMITED FIELDS TERMINATED BY ":"; > load data local inpath "/etc/passwd" into table passwords; > > select count(*) from passwords a,passwords b, passwords c, passwords d > where a.col0=b.col0 > and a.col0=c.col0 > and a.col0=d.col0; > > --Session B: > > hive> create table test(id int); > conflicting lock present for default mode EXCLUSIVE > > > *Is this fixed or any jira related?* > > -- > Thanks, > www.openkb.info > (Open KnowledgeBase for Hadoop/Database/OS/Network/Tool) > >
