-Re: running sqoop on hadoop cluster
Luca Pireddu 2011-10-25, 07:13
On 10/24/2011 12:26 PM, oleksiy wrote:
> As for the first question, I can say that you can understand where is the
> master node by looking at "masters" file in the "conf" folder of hadoop.
> There you specify master node.
Actually, the "masters" file contains the name of the secondary namenode
You probably want to leave that blank on a two node cluster.
> firantika wrote:
>> Hi All,
>> i'm newbie on hadoop,
>> if i installed hadoop on 2 node, where is hdfs running ? on master or
>> slave node ?
HDFS runs on all nodes. The nameserver runs on the head node (the one
from where you started the HDFS with start-dfs.sh or start-all.sh). The
slave nodes each run a DataNode daemon.
>> and then if i running sqoop for export dbms to hive, is it give effect on
>> speed up system between hadoop which running on single node and hadoop
>> multi node ?
>> please give me explaining ?
Sorry, don't know.
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