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Split Location. - MapReduce - [mail # dev]
...Hi,  When a map task fails, and the input split contains multiple locations, will the framework choose a different location when re-scheduling the same task?  Thanks, Jane...
   Author: Jane Chen, 2011-03-16, 19:57
Initialization for record writing. - MapReduce - [mail # user]
...Hi,  Looking at 0.21's API,  In org.apache.hadoop.mapreduce.RecordReader, there is an initialize() method that I can use for one time work;  In org.apache.hadoop.mapreduce.Rec...
   Author: Jane Chen, 2011-01-21, 23:57
[expand - 2 more] - Re: How to Influence Reduce Task Location. - MapReduce - [mail # user]
...Suppose that the output is written to a database, that only runs on certain  nodes.  It will be desirable to schedule the reducer tasks to run on the  nodes local or close to the d...
   Author: Jane Chen, 2010-12-19, 18:23
[expand - 1 more] - Re: InputFormat in mapred vs. mapreduce. - MapReduce - [mail # user]
...Harsh, thank you for your response.  That's what I guessed.   In 0.20, Interface InputFormat under mapred package was deprecated.  In 0.2 1, it is no longer deprecated.  ...
   Author: Jane Chen, 2010-12-07, 17:52
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