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  • How to cluster keys in Cassandra

    I'm pretty new to Cassandra and from what I've learned, a physical node has rows for a given partition key that are stored in the order induced by the clustering keys. This makes the retrieval of the rows in the order easy to do. But I'm not sure of what kind of ordering is induced by clustering...

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  • Is HBase a better choice than Cassandra for big data?

    We're trying to decide which software would be best for us when it comes to our big data. We're currently between HBase and Cassasndra (with Hadoop) and we're learning more towards HBase. Do you guys think HBase is a better choice for us? Is there really any difference between the two?

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  • Document database for big data

    My department has around 100 million of records in a database. But roughly 65% of the records will be deleted on a daily basis and roughly the same amount of records will be added in. We feel like a big data document database like HBase, Cassandra or Hadoop could do this for us but we're not sure...

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  • How to export big data from Cassandra to CSV

    My friend and I have been using Cassandra for storing big data (it's over 100 GB) in one column family. We're now trying to export it to CSV in a fast way but we're not being successful. We've tried CAPTURE and COPY but it's not producing what we need. Anyone know of a better way exporting...

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  • What’s the difference between CLI and CQL in Cassandra?

    I'm pretty new to Cassandra and I'm looking to find out the difference between CLI and CQL. Which one is better to use? Also, are there any APIs I can use to query Cassandra using .NET? Thanks so much.

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  • What’s the best option for storing graphs in persistent storage?

    I'm wondering what would be the best way for me to store my graphs in persistent storage (for analysis, search, clustering, etc.). I'm considering NEO4J but I'm looking what other options are available to me. Would Cassandra or MySQL work for me? Thanks for the help.

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