On Fri, Jun 25, 2010 at 10:33 AM, Amogh Vasekar <[email protected]> wrote: > Hi, > Incidentally was looking into a similar thing. The Hive server is not > threadsafe, > > https://issues.apache.org/jira/browse/HIVE-187?focusedCommentId=12738494&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12738494 > > for more. > > Amogh > > > On 6/25/10 7:16 PM, "Omer, Farah" <[email protected]> wrote: > > Hi all, > > I am having a question about Hive and the Hive ODBC driver (with latest > patch HIVE-1101 applied). I was wondering if anybody can tell me if the ODBC > driver is single-threaded or if Hive itself is single-threaded? The ODBC > driver probably is, but I am wondering about Hive itself. I.e. can we submit > and run two jobs concurrently? > > Any response much appreciated. Thanks. > > Farah Omer > Senior DB Engineer, MicroStrategy, Inc. > > T: 703 2702230 > E: [email protected] <mailto:[email protected]> > http://www.microstrategy.com <http://www.microstrategy.com> > > > > >
Hadoop & Hive have some static thread local variables that propagate those issues do the Web Interface Hive Server, JDBC. The simple (yet annoying) solution is to spawn off multiple HiveServers. Edward
