Thanks Sean, Do riak_kv_gb_trees_backend and riak_kv_fs_backend have particular strengths/weaknesses?
Kind Regards Neville When would one use On 29 August 2010 01:02, Sean Cribbs <[email protected]> wrote: > Your choice should be dictated by your use-case. In most situations, > "riak_kv_bitcask_backend" (the default) will work for you. It stores data on > disk in a fast (append-only) log-structured file format. If your data is > transient or doesn't need to persist across restarts (and needs to be fast), > try "riak_kv_ets_backend" or "riak_kv_cache_backend"; the latter uses a > global LRU timeout. If you want to use several of the backends in the same > cluster (for different buckets), use the "riak_kv_multi_backend" and > configure each backend separately. > > Sean Cribbs <[email protected]> > Developer Advocate > Basho Technologies, Inc. > http://basho.com/ > > On Aug 28, 2010, at 5:10 AM, Neville Burnell wrote: > > Hi, > > I'm new to riak, and have been busily reading though the wiki, watching the > videos, and catching up on the mail list, so I will have lots of questions > over the next few weeks - so sorry <grin> > > To begin, I'm curious about the characteristics of the seven backends for > riak [1] > > 1. riak_kv_bitcask_backend - stores data to bitcask > 2. riak_kv_fs_backend - stores data directly to files in a nested > directory structure on disk > 3. riak_kv_ets_backend - stores data in ETS tables (which makes it > volatile storage, but great for debugging) > 4. riak_kv_dets_backend - stores data on-disk in DETS tables > 5. riak_kv_gb_trees_backend - stores data using Erlang gb_trees > 6. riak_kv_cache_backend - turns a bucket into a memcached-type memory > cache, and ejects the least recently used objects either when the cache > becomes full or the object's lease expires > 7. riak_kv_multi_backend - configure per-bucket backends > > Unfortunately this amount of choice means I need to do my homework to make > an informed decision ;-) so I'd love any pointers or to hear any advice on > performance comparisons, best practices, backends for development vs > deployment etc > > Kind Regards > > Neville > > [1] > http://wiki.basho.com/display/RIAK/How+Things+Work#HowThingsWork-Backends > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > >
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