DDevelopment & Design

Open IMS Core Mr interface

Open IMS Core does’t have standard way to define connection to MRF (Media Resource Function) on Mr interface.In IMS Mr interface is based on SIP and is similar to ISC used by Application Server (AS). Because of that we can define MRF as IMS AS and just add Wildcard PSI that has trigger on that AS. That […]

Open IMS Core does’t have standard way to define connection to MRF (Media Resource Function) on Mr interface.In IMS Mr interface is based on SIP and is similar to ISC used by Application Server (AS). Because of that we can define MRF as IMS AS and just add Wildcard PSI that has trigger on that AS. That […]

— Previous article

<!--:en-->TouK on GitHub Part 1<!--:-->

Next article —

TouK sponsorem Confitura 2011 (dawniej Javarsovia)

You May Also Like
DDevelopment & Design

Distributed scans with HBase

HBase is by design a columnar store, that is optimized for random reads. You just ask for a row using rowId as an identifier and you get your data instantaneously. Performing a scan on part or whole table is a completely different thing. First of all, it is sequential. Meaning it is rather slow, because it doesn't use all the RegionServers at the same time. It is implemented that way to realize the contract of Scan command - which has to return results sorted by key. So, how to do this efficiently?HBase is by design a columnar store, that is optimized for random reads. You just ask for a row using rowId as an identifier and you get your data instantaneously. Performing a scan on part or whole table is a completely different thing. First of all, it is sequential. Meaning it is rather slow, because it doesn't use all the RegionServers at the same time. It is implemented that way to realize the contract of Scan command - which has to return results sorted by key. So, how to do this efficiently?