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From Simon McGloin <simonmcgl...@gmail.com>
Subject Giraph Job forever waiting on task.
Date Mon, 21 Oct 2013 16:32:36 GMT
Hey Guys,
I have a job running that has 10 workers. After 5 minutes at Superstep=1, 9
of the workers are constantly outputting the following log message:
2013-10-21 17:02:38,474 INFO org.apache.giraph.utils.TaskIdsPermitsBarrier:
waitForRequiredPermits: Waiting for 1 more tasks to send their aggregator
data, task ids: [10]
2013-10-21 17:02:58,474 INFO org.apache.giraph.utils.TaskIdsPermitsBarrier:
waitForRequiredPermits: Waiting for 1 more tasks to send their aggregator
data, task ids: [10]
2013-10-21 17:03:18,474 INFO org.apache.giraph.utils.TaskIdsPermitsBarrier:
waitForRequiredPermits: Waiting for 1 more tasks to send their aggregator
data, task ids: [10]
2013-10-21 17:03:28,475 INFO org.apache.giraph.utils.TaskIdsPermitsBarrier:
waitForRequiredPermits: Waiting for 1 more tasks to send their aggregator
data, task ids: [10]
2013-10-21 17:03:48,475 INFO org.apache.giraph.utils.TaskIdsPermitsBarrier:
waitForRequiredPermits: Waiting for 1 more tasks to send their aggregator
data, task ids: [10]

When I look at task 10 it is constantly outputting the following log info:
2013-10-21 17:03:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Future result not ready yet
java.util.concurrent.FutureTask@314af9f7
2013-10-21 17:03:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Waiting for
org.apache.giraph.utils.ProgressableUtils$FutureWaitable@3160e069
2013-10-21 17:04:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Future result not ready yet
java.util.concurrent.FutureTask@314af9f7
2013-10-21 17:04:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Waiting for
org.apache.giraph.utils.ProgressableUtils$FutureWaitable@3160e069
2013-10-21 17:05:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Future result not ready yet
java.util.concurrent.FutureTask@314af9f7
2013-10-21 17:05:19,955 INFO org.apache.giraph.utils.ProgressableUtils:
waitFor: Waiting for
org.apache.giraph.utils.ProgressableUtils$FutureWaitable@3160e069

I've left the job running for over an hour but it never progresses any
further. Also there is no load on any of the servers. Does anyone know how
to get the giraph job to finish the Superstep?

Regards,
Simon

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