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From: Gil Ganz [mailto:gilg...@gmail.com] Sent: Monday, July 13, 2020 11:30 AM To: user@cassandra.apache.org Subject: Re: Upgrading cassandra cluster from 2.1 to 3.X when using custom TWCS Jon, great advice, I ended up doing just that, if anyone else needs to do the same thing, here is a 3.11.6 version https://github.com/gilganz/twcs/tree/cassandra-3.11 Indeed switching between twcs strategies did not trigger any sstable change. Jeff, nothing to be sorry about, gave me an opportunity to brush up my java skills ;) On Thu, Jul 9, 2020 at 7:59 PM Jeff Jirsa <jji...@gmail.com> wrote: On Thu, Jul 9, 2020 at 9:02 AM Oleksandr Shulgin <oleksandr.shul...@zalando.de> wrote: On Thu, Jul 9, 2020 at 5:54 PM Gil Ganz <gilg...@gmail.com> wrote: Another question, did changing the compaction strategy from one twcs to the other trigger merging of old sstables? I don't recall any unexpected action from changing the strategy, but of course you should verify on a test system first if you have one. Should be exactly the same between the two, AFAIK. (Sorry my repo may not work on modern 3.0/3.11 branches.)
