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From "Danyang Li (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-11601) Add ability to remove TTL on keyspace
Date Mon, 18 Apr 2016 23:44:25 GMT


Danyang Li updated CASSANDRA-11601:
    Fix Version/s: 2.1.x

> Add ability to remove TTL on keyspace
> -------------------------------------
>                 Key: CASSANDRA-11601
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Danyang Li
>            Priority: Minor
>             Fix For: 2.1.x
> If tables are TTLed in your Cassandra and you try to backup the corresponding SSTable
to a new cluster, your backup will be lost automatically after a certain period of time, because
TTL are still expiring data in the backup SStable. Once the TTL elapsed, data become inaccessible
and finally will be deleted physically by compaction after GCGraceSecondes. So we cannot really
keep the backup data in a new cluster without removing these existing TTL. 
> So it might be good to add ability to do batch TTL removing. 

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