Re: namenode & jobtracker: joint or separate, which is better?

2008-08-08 Thread James Graham (Greywolf)
Thus spake lohit:: It depends on your machine configuration, how much resource it has and what you can afford to lose in case of failures. It would be good to run NameNode and jobtracker on their own dedicate nodes and datanodes and tasktracker on rest of the nodes. We have seen cases where tas

Re: namenode & jobtracker: joint or separate, which is better?

2008-08-08 Thread lohit
From: James Graham (Greywolf) <[EMAIL PROTECTED]> To: core-user@hadoop.apache.org Sent: Friday, August 8, 2008 1:29:08 PM Subject: namenode & jobtracker: joint or separate, which is better? Which is better, to have the namenode and jobtracker as distinct nodes or as a single node, and are

namenode & jobtracker: joint or separate, which is better?

2008-08-08 Thread James Graham (Greywolf)
Which is better, to have the namenode and jobtracker as distinct nodes or as a single node, and are there pros/cons regarding using either or both as datanodes? -- James Graham (Greywolf) | 650.930.1138|925.768.4053