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From Adarsh Kumar <>
Subject TWCS and gc_grace_seconds
Date Fri, 18 Oct 2019 05:27:08 GMT

We have a use case of time series data with TTL where we want to use
TimeWindowCompactionStrategy because of its better management for TTL and
tombstones. In this case, data we have is frequently deleted so we want to
reduce gc_grace_seconds to reduce the tombstones' life and reduce pressure
on storage. I have following questions:

   1. Do we always need to run repair for the table in reduced
   gc_grace_seconds or there is any other way to manage repairs in this vase
   2. Do we have any other strategy (or combination of strategies) to
   manage frequently deleted time-series data

Thanks in advance.

Adarsh Kumar

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