Hi, On Wed, Oct 27, 2010 at 2:19 AM, Bibek Paudel <eternalyo...@gmail.com> wrote: > [Apologies for cross-posting] > > HI all, > I am rewriting a hadoop java code for the new (0.20.2) API- the code > was originally written for versions <= 0.19. > > 1. What is the equivalent of the getCounter() method ? For example, > the old code is as following: > //import org.apache.hadoop.mapred.RunningJob; > RunningJob job = JobClient.runJob(conf); > Counters c = job.getCounters(); > long cnt = c.getCounter(EnumType.A); > > I tried to rewrite it as: > //import org.apache.hadoop.mapreduce.Job; > Configuration conf = new Configuration(); > Job job = new Job(conf); > Counters c = job.getCounters(); > long cnt = c.getCounter(EnumType.A); >
Per documentation here: http://hadoop.apache.org/common/docs/r0.20.2/api/index.html, there seems to be only a findCounter API, not a getCounter. Can you see if that works ? > I get the error: The method getCounter(MyClassName.EnumType) is > undefined for the type Counters > > 2. What is the equivalent of getPos() method [0] of RecordReader ? > > I read that in 0.20, the getPos() methos is no longer there, but what > am I supposed to replace it with? > > For example, in a map function, I have (RecordReader<IntWritable, > CustomInput> input, Context context) and in the function body, I have: > long pos = -1; > pos = input.getPos(); > while(input.next(key, value)){ > //some code here > } > > and I get the error: The method getPos() is undefined for the type > RecordReader<IntWritable,CustomInput> It doesn't seem like there's an equivalent in 0.20.2. How do you use the position ? Thanks hemanth > > Any pointers or help will be highly appreciated. > > Thanks, > Bibek > > [0] > http://hadoop.apache.org/common/docs/r0.20.1/api/org/apache/hadoop/mapred/RecordReader.html#getPos%28%29 >
