The strange part is copying the entire cassandra source tree.
On Thu, Apr 15, 2010 at 8:35 PM, Jeff Zhang <zjf...@gmail.com> wrote: > Jonathan, > > Previously we use the cassandra-0.6, but we'd like to leverage the hector > java client since it has more advanced features. And hector currently only > support cassandra-0.5. > Why you think using casandra-0.5 is a stange way to do it ? Is cassandra-0.6 > incompatibility with cassandra-0.5 ? The migration to cassandra-0.6 will > cost much ? > > > On Thu, Apr 15, 2010 at 11:50 AM, Jonathan Ellis <jbel...@gmail.com> wrote: >> >> You forked Cassandra 0.5 for that? >> >> That's... a strange way to do it. >> >> On Wed, Apr 14, 2010 at 9:36 PM, Jeff Zhang <zjf...@gmail.com> wrote: >> > We are currently doing such things, and now we are still at the start >> > stage. >> > Currently we only plan to store small files. For large files, splitting >> > to >> > small blocks is really one of our options. >> > You can check out from here http://code.google.com/p/cassandra-fs/ >> > >> > Document for this project is lack now, but still welcome any feedback >> > and >> > contribution. >> > >> > >> > >> > On Wed, Apr 14, 2010 at 7:32 PM, Miguel Verde <miguelitov...@gmail.com> >> > wrote: >> >> >> >> On Wed, Apr 14, 2010 at 9:26 PM, Avinash Lakshman >> >> <avinash.laksh...@gmail.com> wrote: >> >>> >> >>> OPP is not required here. You would be better off using a Random >> >>> partitioner because you want to get a random distribution of the >> >>> metadata. >> >> >> >> >> >> Not required, certainly. However, it strikes me that 1 cluster is >> >> better >> >> than 2, and most consumers of a filesystem would expect to be able to >> >> get an >> >> ordered listing or tree of the metadata which is easy using the OPP row >> >> key >> >> pattern listed previously. You could still do this with the Random >> >> partitioner using column names in rows to describe the structure but >> >> the >> >> current compaction limitations could be an issue if a branch becomes >> >> too >> >> large, and you'd still have a root row hotspot (at least in the schema >> >> which >> >> comes to mind). >> > >> > >> > -- >> > Best Regards >> > >> > Jeff Zhang >> > > > > > -- > Best Regards > > Jeff Zhang >
