Simplified classes to write SSTables (for bulk loading usage)
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                 Key: CASSANDRA-2911
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2911
             Project: Cassandra
          Issue Type: New Feature
          Components: Core
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne
            Priority: Minor


sstableloader only stream existing sstables. If you need to load data existing 
in another form (json, csv, whatnot), you need to first write the sstable(s) to 
load. The recommended way to do this is either to use json2sstable or to modify 
it if your input is not json. Modifying json2sstable is however more involved 
than it needs to be, you'll need at least some basic understanding of a bunch 
of internal classes (DecoratedKey, ColumnFamily, SuperColumn, ...). Even for 
json input, you can use json2sstable only if your json actually conform to what 
is expected and even then, good luck to someone that want to add counters.

This ticket proposes to add a simple interface to write sstables. 

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