Missing chosen worker ERROR drills down to end of stream exception (likely client has closed socket). help!

2014-10-28 Thread Matthew Cornell
Hi All, I have a Giraph 1.0.0 job that has failed, but I'm not able to get detail as to what really happened. The master's log says: 2014-10-28 10:28:32,006 ERROR org.apache.giraph.master.BspServiceMaster: superstepChosenWorkerAlive: Missing chosen worker Worker(hostname=compute-0-0.wright,

Re: Compiling Giraph with Hadoop 2.5.1 YARN

2014-10-28 Thread Nicola Vitucci
Hi Alessandro, I'll try to explain the details, but I know it is a bit complicated and not necessarily easy to reproduce. In my setup I have a master server (4 processors, 16 GB RAM) and 2 slaves (3 processors, 4 GB RAM each) running Hadoop 2.5.1 and ZooKeeper 3.4.6. Thanks to your suggestions I