Thanh created CASSANDRA-15882:
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Summary: sstablemetadata should show tombstone timestamp not just
the local drop time
Key: CASSANDRA-15882
URL: https://issues.apache.org/jira/browse/CASSANDRA-15882
Project: Cassandra
Issue Type: Improvement
Reporter: Thanh
issue/request:
sstablemetadata should show tombstone timestamp not just the local drop time
I'm not sure what all versions this exists in but the sstablemetadata
tombstone "drop time" only just shows the local delete time of the tombstones.
What's more important (what the tombstone expiration time depends on) is the
tombstone writetime (tombstone timestamp). It's possible to, and a surprising
number of users have done this, write a tombstone with a timetamp in the future
(by doing "DELETE...USING TIMESTAMP <future_timestamp>"). When this happens,
the tombstone hangs around in sstables for a lot longer than users expect
because
{code:java}
tombstone_expiration_time = gc_grace_seconds + tombstone_timestamp{code}
NOT
{code:java}
tombstone_expiration_time = gc_grace_seconds +
tombstone_local_delete_time{code}
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