You would need to swap your class from the com.jeffjirsa variant (probably
from 2.1 / 2.2) to the official TWCS class.

Once that happens I suspect it'll happen quite quickly, but I'm not sure.

On Wed, Mar 27, 2019 at 7:30 AM Nick Hatfield <nick.hatfi...@metricly.com>
wrote:

> Awesome, thank you Jeff. Sorry I had not seen this yet. So we have this
> enabled, I guess it will just take time to finally chew through it all?
>
>
>
> *From:* Jeff Jirsa [mailto:jji...@gmail.com]
> *Sent:* Tuesday, March 26, 2019 9:41 PM
> *To:* user@cassandra.apache.org
> *Subject:* Re: TWCS Compactions & Tombstones
>
>
>
> Or Upgrade to a version with 
> https://issues.apache.org/jira/browse/CASSANDRA-13418 and enable that feature
>
>
>
> --
>
> Jeff Jirsa
>
>
>
>
> On Mar 26, 2019, at 6:23 PM, Rahul Singh <rahul.xavier.si...@gmail.com>
> wrote:
>
> What's your timewindow? Roughly how much data is in each window?
>
>
>
> If you examine the sstable data and see that is truly old data with little
> chance that it has any new data, you can just remove the SStables. You can
> do a rolling restart -- take down a node, remove mc-254400-* and then start
> it up.
>
>
>
>
> rahul.xavier.si...@gmail.com
>
>
>
> http://cassandra.link
>
>
>
>
>
>
>
> On Tue, Mar 26, 2019 at 8:01 AM Nick Hatfield <nick.hatfi...@metricly.com>
> wrote:
>
> How does one properly rid of sstables that have fallen victim to
> overlapping timestamps? I realized that we had TWCS set in our CF which
> also had a read_repair = 0.1 and after correcting this to 0.0 I can clearly
> see the affects over time on the new sstables. However, I still have old
> sstables that date back some time last year, and I need to remove them:
>
>
>
> Max: 09/05/2018 Min: 09/04/2018 Estimated droppable tombstones:
> 0.8832057909932046    13G Mar 26 11:34 mc-254400-big-Data.db
>
>
>
>
>
> What is the best way to do this? This is on a production system so any
> help would be greatly appreciated.
>
>
>
> Thanks,
>
>

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