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From Chui-Hui Chiu <cch...@tigers.lsu.edu>
Subject SSSP doesn't work
Date Sun, 16 Jun 2013 14:55:56 GMT
Hello,

I have a Hama-0.6.0 on a Hadoop-1.0.4.  I am running in the Pseudo
Distributed Mode.

The example SSSP always returns 2147483647 as the shortest distance to each
vertex.

This is the input file.
=====
one\ttwo:1
two\tone:1
=====

This is the command line.
=====
<Hama root>/bin/hama jar hama-examples-0.6.0.jar sssp two <path to the
input file on the local file system> <path to the output directory on the
local file system> 1
=====

This is the shell prompt.
=====
13/06/16 09:41:28 INFO util.NativeCodeLoader: Loaded the native-hadoop
library
13/06/16 09:41:28 INFO bsp.FileInputFormat: Total input paths to process : 1
13/06/16 09:41:30 INFO bsp.BSPJobClient: Running job: job_201306160108_0004
13/06/16 09:41:33 INFO bsp.BSPJobClient: Current supersteps number: 0
13/06/16 09:41:36 INFO bsp.BSPJobClient: Current supersteps number: 7
13/06/16 09:41:36 INFO bsp.BSPJobClient: The total number of supersteps: 7
13/06/16 09:41:36 INFO bsp.BSPJobClient: Counters: 11
13/06/16 09:41:36 INFO bsp.BSPJobClient:
org.apache.hama.graph.GraphJobRunner$GraphJobCounter
13/06/16 09:41:36 INFO bsp.BSPJobClient:     ITERATIONS=2
13/06/16 09:41:36 INFO bsp.BSPJobClient:     MULTISTEP_PARTITIONING=1
13/06/16 09:41:36 INFO bsp.BSPJobClient:     INPUT_VERTICES=2
13/06/16 09:41:36 INFO bsp.BSPJobClient:
org.apache.hama.bsp.JobInProgress$JobCounter
13/06/16 09:41:36 INFO bsp.BSPJobClient:     SUPERSTEPS=7
13/06/16 09:41:36 INFO bsp.BSPJobClient:     LAUNCHED_TASKS=1
13/06/16 09:41:36 INFO bsp.BSPJobClient:
org.apache.hama.bsp.BSPPeerImpl$PeerCounter
13/06/16 09:41:36 INFO bsp.BSPJobClient:     SUPERSTEP_SUM=7
13/06/16 09:41:36 INFO bsp.BSPJobClient:     TIME_IN_SYNC_MS=261
13/06/16 09:41:36 INFO bsp.BSPJobClient:     IO_BYTES_READ=32
13/06/16 09:41:36 INFO bsp.BSPJobClient:     TOTAL_MESSAGES_SENT=9
13/06/16 09:41:36 INFO bsp.BSPJobClient:     TASK_INPUT_RECORDS=2
13/06/16 09:41:36 INFO bsp.BSPJobClient:     TOTAL_MESSAGES_RECEIVED=9
Job Finished in 8.329 seconds
=====

This is the output file.
=====
one\ttwo:1 2147483647
two\tone:1 2147483647
=====

What may go wrong?  Do I miss anything?

Many thanks,
Chui-hui

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