hi, If your master and slave are two different boxes, don't use 127.0.0.1 as the address. Use something in your LAN, e.g., 192.168.x.x, 10.x.x.x, etc.
HTH, Yan 2008/4/1, Natarajan, Senthil <[EMAIL PROTECTED]>: > Hi, > > I am using default settings from hadoop-default.xml and hadoop-site.xml > > And I just changed this port number > > <name>mapred.task.tracker.report.address</name> > > <!--<value>127.0.0.1:50024</value>--> > > > > I created the firewall rule to allow port range 50000:50100 between the > slaves and master. > > > > But reduce on the slaves using some other ports seems. So Reduce always > hangs with firewall enabled. If I disable the firewall it works fine. > > Could you please let me know what I am missing or where to control the > hadoop random port creation? > > > > Thanks, > > Senthil >
