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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Tue, 14 Jun 2011 22:17:51 -0000
Message-ID: <20110614221751.39595.43708@eos.apache.org>
Subject: 
 =?utf-8?q?=5BHadoop_Wiki=5D_Update_of_=22Hive/HiveServer=22_by_CarlSteinb?=
 =?utf-8?q?ach?=
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Dear Wiki user,

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The "Hive/HiveServer" page has been changed by CarlSteinbach:
http://wiki.apache.org/hadoop/Hive/HiveServer?action=3Ddiff&rev1=3D10&rev2=
=3D11

  =

  NOTE:
  =

-  * The HiveServer is currently single threaded, which could present serio=
us use limitations. See [[http://issues.apache.org/jira/browse/HIVE-80|JIRA=
: HIVE-80]].
+  * !HiveServer is multithreaded and was designed to support multiple conc=
urrent client connections. However, there is currently no test coverage for=
 this scenario. If you want to play it safe we recommend running one HiveSe=
rver process per client connection. Please see [[http://issues.apache.org/j=
ira/browse/HIVE-80|JIRA: HIVE-80]] for more information.
   * Hive server and clients communicates through Thrift and FB303 services=
. In some distributions, both the Hadoop and Hive distributions have differ=
ent versions of libthrift.jar and libfb303.jar. If they are incompatible, i=
t may cause Thrift connection error when running the unit test on standalon=
e mode. The solution is to remove the Hadoop's version of libthrift.jar and=
 libfb303.jar.
 =20