Re: SecondaryNameNode on separate machine

2008-11-12 Thread yossale
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:

Re: SecondaryNameNode on separate machine

2008-11-04 Thread Tomislav Poljak
: 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

Re: SecondaryNameNode on separate machine

2008-11-03 Thread Konstantin Shvachko
/ -- 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

Re: SecondaryNameNode on separate machine

2008-10-31 Thread Otis Gospodnetic
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

Re: SecondaryNameNode on separate machine

2008-10-31 Thread Doug Cutting
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

Re: SecondaryNameNode on separate machine

2008-10-30 Thread Tomislav Poljak
- 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

Re: SecondaryNameNode on separate machine

2008-10-29 Thread Jean-Daniel Cryans
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

Re: SecondaryNameNode on separate machine

2008-10-29 Thread Tomislav Poljak
] 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

Re: SecondaryNameNode on separate machine

2008-10-29 Thread Konstantin Shvachko
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

Re: SecondaryNameNode on separate machine

2008-10-28 Thread Jean-Daniel Cryans
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