FAQ

Amandeep Khurana wrote:
Is your NN doubling up as a DN? If its not, I wonder how the NN is full...
Yes both NN and secondary are doubling as DN, sorry I should have mentioned
this earlier.

M
On 8/11/09, Mayuran Yogarajah wrote:

I have a 6 node cluster running Hadoop 0.18.3. I'm trying to figure out
how the data was spread out like this:

node001 94.15%
node002 94.16%
node003 48.22%
node004 47.85%
node005 48.12%
node006 43.18%

Node 001 (NN) and node 002( secondary NN) both got full, while the other
data nodes had more space left. I had assumed that Hadoop would distribute
more blocks to nodes 3-6 since they had much more space, but it ended up
filling up nodes1 and 2. Is this expected?

thanks,
M


--


Amandeep Khurana
Computer Science Graduate Student
University of California, Santa Cruz

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postedAug 11, '09 at 6:09p
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