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Sharath MK commented on HIVE-1539: ---------------------------------- I'm facing the same problem. I'm not able to run concurrent query using JDBC java program. If any one solved, please direct me to some example java program. Thanks > Concurrent metastore threading problem > --------------------------------------- > > Key: HIVE-1539 > URL: https://issues.apache.org/jira/browse/HIVE-1539 > Project: Hive > Issue Type: Bug > Components: Metastore > Affects Versions: 0.7.0 > Reporter: Bennie Schut > Assignee: Bennie Schut > Attachments: ClassLoaderResolver.patch, HIVE-1539-1.patch, > HIVE-1539.patch, thread_dump_hanging.txt > > > When running hive as a service and running a high number of queries > concurrently I end up with multiple threads running at 100% cpu without any > progress. > Looking at these threads I notice this thread(484e): > at > org.apache.hadoop.hive.metastore.ObjectStore.getMTable(ObjectStore.java:598) > But on a different thread(63a2): > at > org.apache.hadoop.hive.metastore.model.MStorageDescriptor.jdoReplaceField(MStorageDescriptor.java) -- This message was sent by Atlassian JIRA (v6.3.4#6332)