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Update README.md
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doanduyhai committed Oct 23, 2014
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Expand Up @@ -24,13 +24,13 @@ There are 2 packages with 2 distinct demos
<ol>
<li> Go to the folder main/data</li>
<li> Execute <em>$CASSANDRA_HOME/bin/cqlsh -f weather_data_schema.cql</em> from this folder. It should create the keyspace <strong>spark_demo</strong> and some tables </li>
<li> Download the <em>Weather_Raw_Data_2014.csv.gz</em> from <strong><a target="blank_" href="https://drive.google.com/file/d/0B6wR2aj4Cb6wOF95QUZmVTRPR2s/view?usp=sharing">here</a></strong> (>200Mb)</li>
<li> Download the <em>Weather_Raw_Data_2014.csv.gz</em> from <strong><a target="blank_" href="https://drive.google.com/file/d/0B6wR2aj4Cb6wOF95QUZmVTRPR2s/view?usp=sharing">here</a></strong> (&gt;200Mb)</li>
<li> Unzip it somewhere on your disk </li>
</ol>
</li>
<li> Ingestion
<ol>
<li> <strong>WeatherDataIntoCassandra</strong>: read all the <em>Weather_Raw_Data_2014.csv</em> file (30.10<sup>6</sup> lines) and insert the data into Cassandra. It may take some time before the ingestion is done so go take a long coffee ( < 1 hour on my MacBookPro 15")
<li> <strong>WeatherDataIntoCassandra</strong>: read all the <em>Weather_Raw_Data_2014.csv</em> file (30.10<sup>6</sup> lines) and insert the data into Cassandra. It may take some time before the ingestion is done so go take a long coffee ( &lt; 1 hour on my MacBookPro 15")
Please do not forget set the path to this file by changing the <strong>WeatherDataIntoCassandra.WEATHER_2014_CSV</strong> value</li>
</ol>
This step should take a while since there are 30.10<sup>6</sup> lines to be inserted into Cassandra
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