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From Aiman Parvaiz <>
Subject Re: auto clear data with ttl
Date Tue, 09 Jun 2015 03:16:14 GMT
So gc_grace zero will remove tombstones without any delay after compaction. So it's possible
that tombstones containing SSTs still need to be compacted. So either you can wait for compaction
to happen or do a manual compaction depending on your compaction strategy. Manual compaction
does have some drawbacks so please read about it.

Sent from my iPhone

> On Jun 8, 2015, at 7:26 PM, 曹志富 <> wrote:
> I have C* 2.1.5,store some data with ttl.Reduce the gc_grace_seconds to zero.
> But it seems has no effect.
> Did I miss something?
> --------------------------------------
> Ranger Tsao

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