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From "Aleksey Yeschenko (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-10358) Allow CQLSSTableWriter.Builder to use custom AbstractSSTableSimpleWriter
Date Wed, 16 Sep 2015 21:07:45 GMT


Aleksey Yeschenko updated CASSANDRA-10358:
    Fix Version/s:     (was: 2.0.x)

> Allow CQLSSTableWriter.Builder to use custom AbstractSSTableSimpleWriter 
> -------------------------------------------------------------------------
>                 Key: CASSANDRA-10358
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Andre Turgeon
>            Priority: Minor
>         Attachments: patch.txt
> I've created a patch for your consideration. 
> This change to CQLSSTableWriter allows for a custom AbstractSSTableSimpleWriter to be
> I needed this for a bulkload process I wrote. I believe the change would be beneficial
for other people as well. 
> Below are the reasons I needed a custom implementation of AbstractSSTableSimpleWriter:
> 1) The available implementations of AbstractSSTableSimpleWriter do not provide a way
to specify the filename (or rather revision) of the sstable. I needed to control the name
because my bulkload process write sstables in parallel (on multiple machines) and I wish to
avoid name collisions.
> 2) I discovered a problem with SSTableSimpleUnsortedWriter where it creates invalid level-compaction-style
sstables; It allows a partition to span 2 sstables which violates the "no overlap of token
ranges" constraint of level compaction.   

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