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https://issues.apache.org/jira/browse/CASSANDRA-8219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-8219:
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    Component/s: Core

> Support for overflow disk
> -------------------------
>
>                 Key: CASSANDRA-8219
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8219
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: sankalp kohli
>            Priority: Minor
>
> During repairs and other operation like force compaction, the requirement of 
> disk space is more than normal.  We should add an option of overflow disk 
> which will only be used when the primary drive is x% full. Once the primary 
> drive has more space, all new data will again start going to primary drive. 
> Optionally, we can expose a way to compact/move all sstable in overflow 
> directory back into primary to free up overflow disk.  One of the use case of 
> this will be to use a spinning disk as overflow disk or share a disk between 
> multiple instances.



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