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From Sandy Ding <sandy.ding...@gmail.com>
Subject Re: pagerank finished with no output
Date Sun, 16 Sep 2012 14:02:33 GMT
Sorry, silly question, I assumed a file should be passed :)

2012/9/16 Thomas Jungblut <thomas.jungblut@gmail.com>

> Normally you pass a directory as output, because each task is going to
> write a file.
> So wg.out seems to me like a directory.
>
> 2012/9/16 Sandy Ding <sandy.dingxin@gmail.com>
>
> > yes, the output is supposed to be in hdfs /dataset/wg.out
> > when I 'ls' hdfs /dataset, wg.out exists but its size is 0 byte
> > and when I 'cat' the file, the shell complains that the file does not
> exist
> >
> > 2012/9/16 Thomas Jungblut <thomas.jungblut@gmail.com>
> >
> > > If you run on a 3 node cluster, I assume you looked into HDFS right?
> > >
> > > 2012/9/16 Sandy Ding <sandy.dingxin@gmail.com>
> > >
> > > > Hey, guys
> > > >
> > > > I run  pagerank with the web-google input, it finished in36.554
> > seconds.
> > > I
> > > > have a 3 node cluster and the job has 9 splits in total, is it
> normal?
> > (I
> > > > doubt it's too fast intuitively...)
> > > > The info from both the standord output and the log shows that the job
> > has
> > > > successfully finished and some statistics like SUPERSTEPS_SUM and
> > > > TOTOAL_MESSAGES_SENT was printed on the screen. But I find the output
> > > file
> > > > is 0 byte and I cannot 'cat' it. What might be wrong?
> > > >
> > > > Best
> > > > Sandy
> > > >
> > >
> >
>

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