[HIVE-7202] DbTxnManager deadlocks in hcatalog.cli.TestSematicAnalysis.testAlterTblFFpart()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.13.1
• Fix Version/s: 0.14.0
• Component/s: Locking
• Assignee: Alan Gates
• Reporter: Eugene Koifman
• Created: 09/Jun/14 23:38
• Updated: 13/Nov/14 19:41
• Resolved: 20/Jun/14 17:32

Description

select * from HIVE_LOCKS produces

6                   |1                   |0                   |default                                                                                                                         |junit_sem_analysis                                                                                                              |NULL                                                                                                                            |w|r|1402354627716       |NULL                |unknown                                                                                                                         |ekoifman.local                                                                                                                  
6                   |2                   |0                   |default                                                                                                                         |junit_sem_analysis                                                                                                              |b=2010-10-10                                                                                                                    |w|e|1402354627716       |NULL                |unknown                                                                                                                         |ekoifman.local                                                                                                                  

2 rows selected

easiest way to repro this is to add
hiveConf.setBoolVar(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY, true);
hiveConf.setVar(HiveConf.ConfVars.HIVE_TXN_MANAGER, "org.apache.hadoop.hive.ql.lockmgr.DbTxnManager");

in HCatBaseTest.setUpHiveConf()

Issue Links

• is required by: HIVE-7241 Wrong lock acquired for alter table rename partition
• is required by: HIVE-7242 alter table drop partition is acquiring the wrong type of lock