Now SecondaryNameNode connects to the NameNode (after I configured
dfs.http.address to the NN's http server - NN hostname on port 50070)
and creates(transfers) edits and fsimage from NameNode.
It didn't work for me - I get an error:
java.io.FileNotFoundException:
: Tomislav Poljak [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Thursday, October 30, 2008 1:52:18 PM
Subject: Re: SecondaryNameNode on separate machine
Hi,
can you, please, explain the difference between fs.default.name and
dfs.http.address (like how and when is SecondaryNameNode
/ -- Lucene - Solr - Nutch
- Original Message
From: Tomislav Poljak [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Thursday, October 30, 2008 1:52:18 PM
Subject: Re: SecondaryNameNode on separate machine
Hi,
can you, please, explain the difference between fs.default.name
Message
From: Tomislav Poljak [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Thursday, October 30, 2008 1:52:18 PM
Subject: Re: SecondaryNameNode on separate machine
Hi,
can you, please, explain the difference between fs.default.name and
dfs.http.address (like how and when
Otis Gospodnetic wrote:
Konstantin Co, please correct me if I'm wrong, but looking at
hadoop-default.xml makes me think that dfs.http.address is only the URL for the NN
*Web UI*. In other words, this is where we people go look at the NN.
The secondary NN must then be using only the Primary
- Nutch
- Original Message
From: Jean-Daniel Cryans [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Tuesday, October 28, 2008 8:14:44 PM
Subject: Re: SecondaryNameNode on separate machine
Tomislav.
Contrary to popular belief the secondary namenode does
to do to eliminate NN
SPOF?
Thanks,
Otis
--
Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch
- Original Message
From: Jean-Daniel Cryans [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Tuesday, October 28, 2008 8:14:44 PM
Subject: Re: SecondaryNameNode
]
To: core-user@hadoop.apache.org
Sent: Tuesday, October 28, 2008 8:14:44 PM
Subject: Re: SecondaryNameNode on separate machine
Tomislav.
Contrary to popular belief the secondary namenode does not provide
failover,
it's only used to do what is described here :
http
to eliminate NN
SPOF?
Thanks,
Otis
--
Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch
- Original Message
From: Jean-Daniel Cryans [EMAIL PROTECTED]
To: core-user@hadoop.apache.org
Sent: Tuesday, October 28, 2008 8:14:44 PM
Subject: Re: SecondaryNameNode on separate machine
Tomislav
Tomislav.
Contrary to popular belief the secondary namenode does not provide failover,
it's only used to do what is described here :
http://hadoop.apache.org/core/docs/r0.18.1/hdfs_user_guide.html#Secondary+NameNode
So the term secondary does not mean a second one but is more like a
second part
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