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Date: Thu, 30 Jun 2011 12:09:46 +0200
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Subject: word_count example in Cassandra 0.8.0
From: Markus Mock <markus.mock@gmail.com>
To: user@cassandra.apache.org
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Hello,

I am running into the following problem:  I am running a single node
cassandra setup (out of the box so to speak) and was trying out the code
in apache-cassandra-0.8.0-src/examples/hadoop_word_count.

The bin/word_count_setup seems to work fine as cassandra-cli reports that
there are 1000 rows when I do

list input_words limit 2000;
(after connecting via connect 127.0.01/9160 and use wordcount;)

However, after running bin/word_count it seems the reducer is not writing
into cassandra as list output_words returns 0 rows.
When setting the output reducer to filesystem I get results in
/tmp/word_count0 /tmp/word_count1 etc .

Has anybody observed the same problem and has an idea what might be wrong?

Thanks.

  -- Markus

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Content-Type: text/html; charset=ISO-8859-1
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Hello,<div><br></div><div>I am running into the following problem: =A0I am =
running a single node cassandra setup (out of the box so to speak) and was =
trying out the code in=A0apache-cassandra-0.8.0-src/examples/hadoop_word_co=
unt.</div>
<div><br></div><div>The bin/word_count_setup seems to work fine as cassandr=
a-cli reports that there are 1000 rows when I do=A0</div><div><br></div><di=
v><div>list input_words limit 2000;</div></div><div>(after connecting via c=
onnect 127.0.01/9160 and use wordcount;)</div>
<div><br></div><div>However, after running bin/word_count it seems the redu=
cer is not writing into cassandra as list output_words returns 0 rows.</div=
><div>When setting the output reducer to filesystem I get results in /tmp/w=
ord_count0 /tmp/word_count1 etc .</div>
<div><br></div><div>Has anybody observed the same problem and has an idea w=
hat might be wrong?</div><div><br></div><div>Thanks.</div><div><br></div><d=
iv>=A0 -- Markus</div><div><br></div>

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