Re: wierd communication errors

2012-06-27 Thread Yuanyuan Tian
What do you mean using netty? I am not aware that Giraph is using netty. I am just using what ever the default giraph release 1.0 is using. Yuanyuan From: Avery Ching To: user@giraph.apache.org Date: 06/27/2012 07:57 PM Subject:Re: wierd communication errors Same issue usi

Re: wierd communication errors

2012-06-27 Thread Avery Ching
Same issue using netty as well? On 6/27/12 6:14 PM, Yuanyuan Tian wrote: Hi, I was running a giraph job where I constantly got the following communication related errors. The symptom is that in super step 0, most of the workers succeeded but a few of the workers produced the errors below,

Suggestions on problem sizes for giraph performance benchmarking

2012-06-27 Thread Fleischman, Stephen (ISS SCI - Plano TX)
Hello Avery and all: I have a cluster of 10 two-processor/48 GB RAM servers, upon which we are conducting Hadoop performance characterization tests. I plan to use the Giraph pagerank and simple shortest path example tests as part of this exercise and would appreciate guidance on problem sizes

wierd communication errors

2012-06-27 Thread Yuanyuan Tian
Hi, I was running a giraph job where I constantly got the following communication related errors. The symptom is that in super step 0, most of the workers succeeded but a few of the workers produced the errors below, the machines that caused the connection reset are different in each failed wo