Do have a look at Apache Avro's use with MapReduce. It helps solve some issues related with serialization in the way you are talking about: http://avro.apache.org
On Sat, Jul 2, 2011 at 7:59 AM, Raja Nagendra Kumar <nagendra.r...@tejasoft.com> wrote: > > Hi, > > I read in Definitive guide that, LongWritable and xxWritables are more > optimized versions for network serialization of normal Java Long etc.. > > If that is so, would be not be easy for developers to use normal Java long > and string, so hadoop framework can internally convert the developer written > code to use the longwritable etc or through some intermediate code > conversions. This approach can greatly reduce the no of api and helps in > faster learning. > > Not sure, why developer had to write and use XXXWritable etc in the context > of optimized for network serialization > > > Regards, > Raja Nagendra Kumar, > C.T.O > www.tejasoft.com > -Hadoop Adoption Consulting > -- > View this message in context: > http://old.nabble.com/XXXWritable-tp31977841p31977841.html > Sent from the Hadoop core-dev mailing list archive at Nabble.com. > > -- Harsh J
