Hi Saurabh,
>> am not sure making overwrite=false , will solve the problem. As per java
doc by making overwrite=false , it will throw an exception if the file
already exists. So, for all the remaining mappers it will throw an
exception.
You can catch the exception and wait.
>> Can you please refe
Hi Wangda ,
I am not sure making overwrite=false , will solve the problem. As per java
doc by making overwrite=false , it will throw an exception if the file
already exists. So, for all the remaining mappers it will throw an
exception.
Also I am very new to ZK and have very basic knowledge of it
Hi Saurabh,
It's an interesting topic,
>> So , here is the question , is it possible to make sure that when one of
the mapper tasks is writing to a file , other should wait until the first
one is finished. ? I read that all the mappers task don't interact with
each other
A simple way to do this i
Hi Folks ,
I have been writing a map-reduce application where I am having an input
file containing records and every field in the record is separated by some
delimiter.
In addition to this user will also provide a list of columns that he wants
to lookup in a master properties file (stored in HDFS
