Re: Document storage

2012-03-29 Thread Rick Branson
Ben, You can create a "materialized path" for each field in the document: { ["user", "firstName"]: "ben", ["user", "skills", ]: "java", ["user", "skills", ]: "javascript", ["user", "skills", ]: "html", ["user", "education", "school"]: "cmu", ["user", "education", "major"]: "computer science" }

Re: RFC: Cassandra Virtual Nodes

2012-03-20 Thread Rick Branson
> > I like this idea. It feels like a good 80/20 solution -- 80% of the > > benefits, 20% of the effort. More like 5% of the effort. I can't > > even enumerate all the places full vnode support would change, but an > > "active token range" concept would be relatively limited in scope. > > > It on

Re: RFC: Cassandra Virtual Nodes

2012-03-19 Thread Rick Branson
On Mon, Mar 19, 2012 at 4:45 PM, Peter Schuller wrote: > > As a side note: vnodes fail to provide solutions to node-based limitations > > that seem to me to cause a substantial portion of operational issues such > > as impact of node restarts / upgrades, GC and compaction induced latency. I > > Ac

Re: RFC: Cassandra Virtual Nodes

2012-03-19 Thread Rick Branson
o cause a substantial portion of operational issues such as impact of node restarts / upgrades, GC and compaction induced latency. I think some progress could be made here by allowing a "pack" of independent Cassandra nodes to be ran on a single host; somewhat (but nowhere near entirely) similar to a pre-fork model used by some UNIX-based servers. Input? -- Rick Branson DataStax