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Subject Re: upgrading hadoop package
Date Thu, 01 Sep 2011 19:03:39 GMT
Hi Li
      AFAIK 0.21 is not really a stable version of hadoop . So if this upgrade is on a production
cluster it'd be better to go in with 0.20.203.
Bejoy K S

-----Original Message-----
From: Shouguo Li <>
Date: Thu, 1 Sep 2011 11:41:46 
To: <>
Subject: upgrading hadoop package

hey guys,

i'm planning to upgrade my hadoop cluster from 0.20.1 to 0.21 to take
advantage of new bz2 splitting feature. i found a simple upgrade guide,
but i can't find anything that's related to hive. do we need to do anything
for hive? is the migration transparent to hive?

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