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add mapred tasks

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tqchen 2014-12-22 00:20:13 -08:00
parent 12399a1d42
commit dcb6e22a9e
1 changed files with 1 additions and 1 deletions
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2
tracker/rabit_hadoop.py
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@ -35,7 +35,7 @@ if hadoop_streaming_jar != None:
args.hadoop_streaming_jar = hadoop_streaming_jar
def hadoop_streaming(nslaves, slave_args):
cmd = '%s jar %s -input %s -output %s -mapper \"%s stdin %d %d stdout %s\" -reducer \"/bin/cat\" -file %s' % (args.hadoop_binary, args.hadoop_streaming_jar, args.input, args.output, args.mapper, args.nclusters, args.iterations, ' '.join(slave_args), args.mapper)
cmd = '%s jar %s -input %s -output %s -mapper \"%s stdin %d %d stdout %s\" -reducer \"/bin/cat\" -file %s -D mapred.map.tasks=%d' % (args.hadoop_binary, args.hadoop_streaming_jar, args.input, args.output, args.mapper, args.nclusters, args.iterations, ' '.join(slave_args), args.mapper, nslaves)
print cmd
subprocess.check_call(cmd, shell = True)