I'm not familiar with HDF5 but Riak only exposes get/put/delete/list_keys for any given backend which means other functionality from HDF5 would not be available to Riak.
You can review a previous discussion on time series data in Riak here: http://riak.markmail.org/search/?q=time#query:time+page:1+mid:43du3afmercobvi5+state:results Thanks, Dan Daniel Reverri Developer Advocate Basho Technologies, Inc. [email protected] On Mon, Jun 21, 2010 at 6:36 AM, Sundberg, Patrik < [email protected]> wrote: > Hi, > > > > I have been looking at a lot of different alternatives for working with > time series data. The likes of kdb and fame are obviously tried, tested and > suitable solutions but also with a hefty price tag and closed source. On the > open source side I haven’t so far found a good holistic approach. What I > have found is that HDF5 is a very good and efficient library for storing and > retrieving time series data (and numerical datasets in general), but it’s > sort of a single user/single system setup, but in terms of layers on top of > it for replication, network connectivity etc I haven’t seen much. > > > > Doing my initial reading around riak I was happy to see that there’s > pluggable backend storage and it provides a lot of the higher level features > one would want. So I put the two together and asked myself the question > “Would riak with a HDF5 storage backend make a nice system for working with > time series data?” > > > > I don’t know the answer to that question yet and need to do more reading to > understand riak but I thought I’d throw the idea out there and see if what > comes back. > > > > The basic query would typically be “for series identified by name(s) X > (,Y,Z), give me the data for the time window between N to M”. > > > > Regards, > > Patrik > > > > > > > > ------------------------------ > > The information contained in this communication is confidential and > intended only for the individual(s) named above. If you are not a named > addressee, please notify the sender immediately and delete this email from > your system. The views expressed in this email are the views of the author > and do not necessarily represent the views of Millennium Capital Partners > LLP (MCP LLP) or any of its affiliates. Outgoing and incoming electronic > communications of MCP LLP and its affiliates, including telephone > communications, may be electronically archived and subject to review and/or > disclosure to someone other than the recipient. MCP LLP is authorised and > regulated by the Financial Services Authority. > ------------------------------ > > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > >
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