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https://issues.apache.org/jira/browse/CASSANDRA-9394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson resolved CASSANDRA-9394.
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Resolution: Duplicate
duplicate of CASSANDRA-8460
> Cold Storage Directory Support for DTCS
> ---------------------------------------
>
> Key: CASSANDRA-9394
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9394
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jim Plush
> Priority: Minor
>
> Date Tiered Compaction for time series data at high volume it seems like a
> good candidate for multi-tiered storage options for cost reduction purposes.
> For example setting max_sstable_age_days = 1 means that once a file hits 1
> day old it won't be a candidate for compaction any longer. For immutable time
> series data you could in theory then have a new DTCS and yaml setting that
> says move anything over X days (table def) into the cold storage directory
> from the yaml file.
> This way you could have pricer, smaller SSD drives for recent data and
> cheaper, magnetic storage for longer term data that is infrequently read
> after a certain period of time.
> cc [~Bj0rn] for input and feasibility.
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