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From Haitao Yao <>
Subject hive process stuck at HashMap
Date Wed, 08 Feb 2012 09:27:14 GMT
hi, all
	today we found one of our hive process stuck , all the threads are stopped at  ava.util.HashMap.getEntry(,
 here's the stack(full stack log is attached):

	"Thread-903" prio=10 tid=0x00002aaab8200000 nid=0x2838 runnable [0x000000004261b000]
   java.lang.Thread.State: RUNNABLE
        at java.util.HashMap.getEntry(
        at java.util.HashMap.containsKey(
        at java.util.HashSet.contains(
        at org.apache.hadoop.hive.ql.QueryPlan.updateCountersInQueryPlan(
        at org.apache.hadoop.hive.ql.QueryPlan.getQueryPlan(
	the cpu usage is very high, 

	hive release: 0.8.1

	Is there any bugs here? 


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