Hello, I just found an interesing project it's OpenTSB( http://opentsdb.net/ )
The site says "OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase. OpenTSDB was written to address a common need: store, index and serve metrics collected from computer systems (network gear, operating systems, applications) at a large scale, and make this data easily accessible and graphable." Opsview uses rrd for graphing and odw for raw & long term data storage. I think that this architecture will meet the limit in the long run. ( I already feel the problem for SQL querying large ODW db ) and Scalable parallelized data stores like hadoop would be resonable and inevitable solution for the scalability problem. I hope Opsview would be open to these upcoming technology and architecture. Thank you.
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