What hostname and port does the slave report for itself (i.e. when the master sees it connect, what message does it print)? It could be that the master cannot connect back to that address. Maybe you need to open up communication among machines in your EC2 security groups.
Matei On Apr 19, 2012, at 9:10 PM, Scott Smith wrote: > Direct IP/port. No zookeeper. > On Apr 19, 2012 7:35 PM, "John Sirois" <[email protected]> wrote: > >> How are your slaves connecting to the master? Via zookeeper or via known >> hostname/ip ? >> >> On Thursday, April 19, 2012, Scott Smith wrote: >> >>> I'm trying to set up a cluster on ec2, but not using the canned >>> scripts/image. I built the latest svn on Ubuntu 11.10 amd64, and copied >>> the build to a second node. Both are c1.medium instances (not that it >>> should matter). No other software is running (no hdfs, no hadoop, etc). >>> >>> The problem I have is the slave repeatedly (approx once per second) >>> connects, advertises its resources, gets added, and then disconnects. No >>> reason is given for disconnecting. There are no messages on the slave, >>> only 5 or 6 messages on the master. >>> >>> I'm not sure what the next diagnostic step should be; I was hoping >> someone >>> else ran into the same problem and could point out what I did wrong. Any >>> advice? >>> >>> Thanks! >>> >> >> >> -- >> John Sirois >> 303-512-3301 >>
