Thanks :)
On Fri, Dec 6, 2013 at 4:36 PM, Serega Sheypak <[email protected]>wrote: > Mapred. Child.Java.opts > 06.12.2013 20:32 пользователь "praveenesh kumar" <[email protected]> > написал: > > > Hi all, > > > > I am using my custom build class and my UDF is acting as wrapper. > > I need to pass the command line argument to my UDF, which can be passed > > down to the actual class that needs it. > > > > One way would be to use the standard command line passing method and pass > > the parameter via constructors down to the class which needs it. But that > > doesn't seems to be the right way to me as it requires too much of code > > changes, I want to keep my UDF as a separate entity. > > > > Other way (which I am using) is defining the external parameter as system > > variable and calling System.getenv( ), get that parameter, which is also > > not that ideal as it requires hard-coding the variable on all hadoop > nodes. > > > > What I am trying to look, something which I can pass via something like > Pig > > -D<my parameter=value> and use System.getProperty( ) method to get that > > parameter. > > But I am not able to find the property. I was wondering is there a way I > > can use some other method or alternative to pass the command line > variable > > using Pig -D method or how pig UDFs are called behind the scenes so that > I > > can think of some other alternative. > > > > Regards > > Praveenesh > > >
