Thanks a lot. On Fri, Apr 29, 2016 at 2:32 PM, Akira AJISAKA <ajisa...@oss.nttdata.co.jp> wrote:
> > 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 >> <ajisa...@oss.nttdata.co.jp <mailto:ajisa...@oss.nttdata.co.jp>> 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 >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@hadoop.apache.org >> <mailto:user-unsubscr...@hadoop.apache.org> >> For additional commands, e-mail: user-h...@hadoop.apache.org >> <mailto:user-h...@hadoop.apache.org> >> >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@hadoop.apache.org > For additional commands, e-mail: user-h...@hadoop.apache.org > >
