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We use CDC for our Cassandra DB. Our data in tables changes by upsert(update/insert) operations and TTLs expiring. Upsert operations are written to CDC logs, but TTLs expiring are not. I hoped, TTLs will look like delete operations in CDC Log.

Can anybody say, does db Cassandra write info about ttl expire in CDC logs?

Thanks a lot!

Vasilev Andrey
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    No. You need to track TTL handling upserts... – Alex Ott Mar 19 '21 at 15:00
  • Thank for your reply! Can some Cassandra mechanism track TTL handling upserts? Or should our application do this? – Vasilev Andrey Mar 22 '21 at 10:26
  • right now, there is no such things built-in. I know that some teams are solving that in applications. Search for the DataStax Accelerate conference - in 2019th there were several talks about CDC – Alex Ott Mar 22 '21 at 10:55

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