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MapReduce >> mail # user >> hadoop current properties

Kartashov, Andy 2012-10-17, 20:59
Serge Blazhiyevskyy 2012-10-17, 21:02
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Re: hadoop current properties
Hi Andy,

Sorry but I do not have a straight answer to this. Mostly, the
division is between clients and servers. Which one were you asking

Higher versions of Hadoop have, for HDFS alone, a getconf method:

$ hdfs getconf <KEY>

All versions of Hadoop let you load and dump a Configuration object
XML, which is helpful in seeing what form of core-site.xml values has
it loaded from the classpath (or not):

$ hadoop org.apache.hadoop.conf.Configuration

Almost all versions of hadoop let you visit a daemon's loaded config
page, that represents the config object the daemon is running with,

Visit http://DAEMONHOST:PORT/conf (http://namenode:50070/conf for
example at the NN)

For job set information, the info Serge has passed earlier here is correct.

On Thu, Oct 18, 2012 at 2:29 AM, Kartashov, Andy <[EMAIL PROTECTED]> wrote:
> Is there a command-linein hadoop  or Java methd to display all (if not individual)  hadoop's current properties are set to?
> Rgds,
> AK
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