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From "Andrew From (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-10898) Migrate Compaction Strategy Node by Node
Date Thu, 17 Dec 2015 21:14:46 GMT
Andrew From created CASSANDRA-10898:

             Summary: Migrate Compaction Strategy Node by Node
                 Key: CASSANDRA-10898
             Project: Cassandra
          Issue Type: Wish
          Components: Compaction, Tools
            Reporter: Andrew From

It would be a great feature to be able to slowly change the compaction strategy of a ColumnFamily
node-by-node instead of cluster wide. Currently if you change it cluster wide there's no good
way to predict how long it will take. Thus the process could run for days while you still
need the live data, but the cluster responds much more slowly due to the compaction strategy

I stumbled across
which gave me the idea. I was thinking this would be a nice feature to add to NodeTool, provided
that the strategy in the blog is sound I wouldn't mind going ahead with the dev work to automate
it. If not I would love to hear other ideas on how to best make this happen.

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