> Do you know where is the 50070 come form or where to set it?
50070 comes from "dfs.namenode.http-address".
You can set this in hdfs-site.xml.
> If I configure the Federation in one node, I probably will change
this, right?
No. If you configure NameNode federation, you need to set
"dfs.nameservices" and "dfs.namenode.http-address.<nameservice ID>".
Please see
https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/Federation.html
for the detail.
-Akira
On 4/28/16 22:48, Kun Ren wrote:
Thanks a lot, Akira.
When the Federation is disabled, I can view the namenode from
http://localhost:50070
Do you know where is the 50070 come form or where to set it? If I
configure the Federation in one node, I probably will change this, right?
Thanks a lot.
On Thu, Apr 28, 2016 at 1:55 AM, Akira AJISAKA
<[email protected] <mailto:[email protected]>> wrote:
Hi Kun,
(1) ViewFileSystem is related.
https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/ViewFs.html
(2) Yes, NameNode Federation is disabled by default.
I suppose it is possible to configure NameNode Federation in one
node by setting different HTTP/RPC port and fsimage/edits directory
for each NameNode. I haven't tried this, so perhaps it is not possible.
Regards,
Akira
On 4/28/16 09:30, Kun Ren wrote:
Hi Genius,
I have two questions about the HDFS Federation:
(1) Since there are multiple namenodes, there should be some
code that
analysis the client request and transfer the request to the
appropriate
namenode, could you please point to me where I can find the
related code?
(2) .Also just confirm that the Hadoop 2.7.2 support HDFS
Federation,
but in default there is only 1 namenode, is this correct?
Meanwhile, do
you think it is possible to configure the HDFS Fderation in the
pseudo
distributed mode in one node?
Thanks so much in advance.
Best,
Kun Ren
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