oops sorry, seem auto-correction of my email client created some typo for me : P here's the corrections,
On 8 Aug, 2013, at 2:33 AM, Xianli Xu <xiaolou.c...@gmail.com> wrote: > Hi all, > > I'm developing data processing service and evaluating if Pytable. Since hdf5 > supports hierarchical data like a tree of folder, can I use such a tree-like > structure as a K-V store like possibly store million of tables or arrays > under one group and randomly access any one of them in O(1) time? e.g. > > root/ > user_log/ > uid1-> table / array, (of tens of thousand rows / elements, > ETL'ed user log info in int format) > uid2-> table / array, > uid3-> table / array, > uid4-> table / array, > uid5-> table / array, > …… (perhaps million user) > > Just wondering how the hierarchical structure is implemented and such usage > pattern is supported? if no, is there any running or better way to store such > type of information? We adopt Pytables because the data is stored in running -> tuning > higher density, faster loaded and no ACID / concurrency overhead, so > traditional DB and no-sql db is not our option.. > > Thanks, > Jason ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Pytables-users mailing list Pytables-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pytables-users
