Re: Question about 'duplicate' columns

2013-08-06 Thread Franc Carter
On Tue, Aug 6, 2013 at 6:10 PM, Aaron Morton wrote: > Yes. If you overwrite much older data with new data both "versions" of the > column will remain on disk until compaction get's to work on both fragments > of the row. > thanks > > Cheers > > - > Aaron Morton > Cassandra Cons

Re: Question about 'duplicate' columns

2013-08-06 Thread Aaron Morton
Yes. If you overwrite much older data with new data both "versions" of the column will remain on disk until compaction get's to work on both fragments of the row. Cheers - Aaron Morton Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 6/08/2013, at

Question about 'duplicate' columns

2013-08-05 Thread Franc Carter
I've been thinking through some cases that I can see happening at some point and thought I'd ask on the list to see if my understanding is correct. Say a bunch of columns have been loaded 'a long time ago', i.e long enough in the past that they have been compacted. My understanding is that if some