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Hadoop, mail # user - hadoop permission guideline


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Michael Wang 2012-03-22, 14:51
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Harsh J 2012-03-22, 15:15
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Re: hadoop permission guideline
Suresh Srinivas 2012-03-22, 14:56
Can you please take this discussion CDH mailing list?

On Mar 22, 2012, at 7:51 AM, Michael Wang <[EMAIL PROTECTED]> wrote:

> I have installed Cloudera hadoop (CDH). I used its Cloudera Manager to install all needed packages. When it was installed, the root is used.  I found the installation created some users, such as hdfs, hive, mapred,hue,hbase...
> After the installation, should we change some permission or ownership of some directories/files? For example, to use HIVE. It works fine with root user, since the metatore directory belongs to root. But in order to let other user use HIVE, I have to change metastore ownership to a specific non-root user, then it works. Is it the best practice?
> Another example is the start-all.sh, stop-all.sh.... they all belong to root. Should I change them to other user? I guess there are more cases...
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> Thanks,
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