Hi all, we are using C* 2.0.6 and have set the default_time_to_live parameter 
on a number of our LCS column families.  I was wondering what would happen if 
we were to decrease this value via a table alter.  Would subsequent compactions 
of data written before that alter honor the new value and remove the data?  Or 
is the purpose of this setting just to supply a TTL to be written on update 
should one not be provided?

I ask because I’m hoping to free up a bunch of space by tightening the TTL 
value and I would prefer not to have to either insert all of the existing data 
to a new table or update the existing one.

Thanks!

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