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https://issues.apache.org/jira/browse/CASSANDRA-1898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavel Yaskevich updated CASSANDRA-1898:
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Attachment: CASSANDRA-1898.patch
branch: cassandra-0.7 (latest commit 28394978ca72a8d1f88422cb7858fa200fc470d5)
added new keys: -n <num_keys> -s (assume as sorted), improved help message.
> json2sstable should support streaming
> -------------------------------------
>
> Key: CASSANDRA-1898
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1898
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Nick Bailey
> Assignee: Pavel Yaskevich
> Fix For: 0.7.1
>
> Attachments: CASSANDRA-1898.patch
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> json2sstable loads the entire json file into memory. This is so it can sort
> the file before creating an sstable. If the file was created using
> sstable2json and the partitioner isn't changing, this isn't necessary. For
> very large files this means json2sstable requires a huge amount of memory.
> There should be an option to stream the file. A simple check for out of order
> keys will prevent writing bad sstables.
> This should be possible with the SAX style parser available in our current
> json library.
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