Anthony, Yes, you can set it at any point but your Riak nodes might need to be restarted.
Sean Cribbs <s...@basho.com> Developer Advocate Basho Technologies, Inc. http://basho.com/ On Mar 2, 2011, at 3:50 PM, Anthony Molinaro wrote: > Hi, > > Is it possible to add an expiry_secs after the fact? In that if I didn't > set one originally for a bitcask backend can I add one now, or will I have > to dump data if I do? > > Since my understanding is that this value is used when bitcasks are > compacted in order to remove old fields, I have a feeling you can set it > at any point, but I want to make sure. > > Thanks, > > -Anthony > > On Wed, Mar 02, 2011 at 09:13:27AM -0500, Sean Cribbs wrote: >> Abhishek, >> >> Mostly answered here: >> https://help.basho.com/entries/466512-how-can-i-automatically-expire-a-key-from-riak >> >> If you use multi_backend with several bitcask setups you can have both >> expiring data and normal persistent data. Here's an example of what you >> might put in app.config (inside the riak_kv section): >> >> {storage_backend, riak_kv_multi_backend}, >> {multi_backend_default, <<"bitcask">>}, >> {multi_backend, [ >> {<<"bitcask">>, riak_kv_bitcask_backend, []}, >> {<<"sessions>>, riak_kv_bitcask_backend, [{expiry_secs, 7200}, >> {data_root, "data/sessions"}]} >> ]}, >> >> The key pieces there is expiry_secs = 7200 (2 hours), and the separate root >> for the data files. >> >> Sean Cribbs <s...@basho.com> >> Developer Advocate >> Basho Technologies, Inc. >> http://basho.com/ >> >> >> P.S. If you haven't seen the Knowledge Base yet, check it out: >> https://help.basho.com/forums/270314-riak. You can also search the KB from >> the #riak IRC channel using "!kb <search terms>". >> >> On Mar 2, 2011, at 8:21 AM, Abhishek Kona wrote: >> >>> Hi >>> >>> Is it possible to have a expiry (ttl) on RIAK keys per bucket (or per key). >>> Or is there any other way that I am missing. >>> >>> This would be greatly useful for maintaining Session data in RIAK, as >>> expired session data can be auto cleared. >>> >>> -Abhishek Kona >>> >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> >> _______________________________________________ >> riak-users mailing list >> riak-users@lists.basho.com >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > -- > ------------------------------------------------------------------------ > Anthony Molinaro <antho...@alumni.caltech.edu> _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
