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Lerh Chuan Low commented on CASSANDRA-8460: ------------------------------------------- Sure. In the commands below {{/dev/md0}} is my RAID and {{/dev/xvdf}} is my SSD volume. {code} sudo pvcreate /dev/md0 sudo vgcreate VolGroupArray /dev/md0 /dev/xvdf sudo lvcreate -n SadOldCache -L 99900M VolGroupArray /dev/xvdf sudo lvcreate -n SadOldCacheMeta -L 100M VolGroupArray /dev/xvdf sudo lvconvert --type cache-pool --poolmetadata VolGroupArray/SadOldCacheMeta VolGroupArray/SadOldCache sudo lvcreate -l 100%FREE -n RaidHDD VolGroupArray /dev/md0 sudo lvs -a vg sudo lvs -a VolGroupArray sudo lvconvert --type cache --cachepool VolGroupArray/SadOldCache VolGroupArray/RaidHDD sudo vgchange -ay {code} > Make it possible to move non-compacting sstables to slow/big storage in DTCS > ---------------------------------------------------------------------------- > > Key: CASSANDRA-8460 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8460 > Project: Cassandra > Issue Type: Improvement > Reporter: Marcus Eriksson > Assignee: Lerh Chuan Low > Priority: Major > Labels: doc-impacting, dtcs > Fix For: 4.x > > > It would be nice if we could configure DTCS to have a set of extra data > directories where we move the sstables once they are older than > max_sstable_age_days. > This would enable users to have a quick, small SSD for hot, new data, and big > spinning disks for data that is rarely read and never compacted. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org