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Benedict commented on CASSANDRA-7550:
-------------------------------------
This doesn't address the issue Aleksey raises: this flag needs to know if the
record exists on disk already (requiring a read-before-write), or if it exists
_on another node in the cluster_, which is a very hard problem
> Reduce tombstones
> -----------------
>
> Key: CASSANDRA-7550
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7550
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Hanson
>
> If a record is still in Memtable, the Delete to that record shall be done in
> memory (Make Compaction in memory), instead of placing a tombstone. This way
> it can save disk I/O and space a lot for records with short lifecycle.
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