Accessing files in hadoop distributed cache

Question

I want to use the distributed cache to allow my mappers to access data. In main, I\'m using the command

DistributedCache.addCacheFile(new URI(\"/user/peter/cac         


        

Answer 1

Once the Job is assigned to with a configuration object, ie Configuration conf = new Configuration();

Job job = new Job(conf, "wordcount");

And then if deal with attributes of conf as shown below, eg

conf.set("demiliter","|");

or

DistributedCache.addCacheFile(new URI("/user/peter/cacheFile/testCache1"), conf);

Such changes would not be reflected in a pseudo cluster or cluster how ever it would work with local environment.