Why hiveserver2 is much slower than hiveserver1?

hi,   We are building ms sql cube by linkedserver connecting to hiveserver with Cloudera's ODBC driver.   There are two test results: 1. hiveserver1 running on 2CPUs, 8G mem, took about 8 hours 2. hiveserver2 running on 4CPUs, 16 mem, took about 13 hours and 27min (almost failed on machine with 2

Failed to release ZooKeeper lock for hiveserver2

hi, after running the application a while, which accesses hiveserver2 by ODBC driver, we got error message in hive.log: 2013-11-01 10:51:20,835 ERROR ZooKeeperHiveLockManager (ZooKeeperHiveLockManager.java:unlockPrimitive(447)) - Failed to release ZooKeeper lock: org.apache.zookeeper.KeeperExce