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From 王锋 <>
Subject Re:Re: hiveserver usage
Date Mon, 12 Dec 2011 02:02:44 GMT

The namenode summary:

the mr summary

and hiveserver:

hiveserver jvm args:
export HADOOP_OPTS="$HADOOP_OPTS -XX:NewRatio=1 -Xms15000m -XX:MaxHeapFreeRatio=40 -XX:MinHeapFreeRatio=15
-XX:+UseParallelGC -XX:ParallelGCThreads=20 -XX:+UseParall
elOldGC -XX:-UseGCOverheadLimit -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps"

now we  using 3 hiveservers in the same machine.

在 2011-12-12 09:54:29,"Aaron Sun" <> 写道:
how's the data look like? and what's the size of the cluster?

2011/12/11 王锋 <>


    I'm one of engieer of  We have used hive ,hiveserver several months. We have
our own tasks schedule system .The system can schedule tasks running with hiveserver by jdbc.

    But The hiveserver use mem very large, usally  large than 10g.   we have 5min tasks which
will be  running every 5 minutes.,and have hourly tasks .total num of tasks  is 40. And we
start 3 hiveserver in one linux server,and be cycle connected .

    so why Memory of  hiveserver  using so large and how we do or some suggestion from you

Thanks and Best Regards!

Royce Wang

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