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https://issues.apache.org/jira/browse/CASSANDRA-4049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396119#comment-13396119
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Piotr Kołaczkowski commented on CASSANDRA-4049:
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Custom1..Custom5 types would be ok, but we'd like they can at least get
meaningful names in the DSE code and in the data-directory. It can pretty fast
bite us, if there are files named sblocks-custom1.dat, sblocks-custom2.dat, etc
- the name doesn't tell anything what is inside.
> Add generic way of adding SSTable components required custom compaction
> strategy
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-4049
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4049
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Piotr Kołaczkowski
> Assignee: Piotr Kołaczkowski
> Priority: Minor
> Labels: compaction
> Fix For: 1.1.2
>
> Attachments: compaction_strategy_cleanup.patch, component_patch.diff
>
>
> CFS compaction strategy coming up in the next DSE release needs to store some
> important information in Tombstones.db and RemovedKeys.db files, one per
> sstable. However, currently Cassandra issues warnings when these files are
> found in the data directory. Additionally, when switched to
> SizeTieredCompactionStrategy, the files are left in the data directory after
> compaction.
> The attached patch adds new components to the Component class so Cassandra
> knows about those files.
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