mapreduce 249

  1. Good MapReduce examples
  2. Simple explanation of MapReduce?
  3. Chaining multiple MapReduce jobs in Hadoop
  4. Is there a .NET equivalent to Apache Hadoop?
  5. How does the MapReduce sort algorithm work?
  6. How does Hadoop process records split across block boundaries?
  7. Name node is in safe mode. Not able to leave
  8. Map and Reduce in .NET
  9. What is Map/Reduce?
  10. What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
  11. merge output files after reduce phase
  12. Integration testing Hive jobs
  13. When do reduce tasks start in Hadoop?
  14. Does MongoDB's $in clause guarantee order
  15. Container is running beyond memory limits
  16. Simple Java Map/Reduce framework
  17. Where does hadoop mapreduce framework send my System.out.print() statements ? (stdout)
  18. MongoDB: Terrible MapReduce Performance
  19. Is it better to use the mapred or the mapreduce package to create a Hadoop Job?
  20. Hadoop DistributedCache is deprecated - what is the preferred API?
  21. hadoop.mapred vs hadoop.mapreduce?
  22. 20 Billion Rows/Month - Hbase / Hive / Greenplum / What?
  23. Sorting large data using MapReduce/Hadoop
  24. data block size in HDFS, why 64MB?
  25. Explode the Array of Struct in Hive
  26. Setting the number of map tasks and reduce tasks
  27. Hadoop : java.lang.ClassCastException: org.apache.hadoop.io.LongWritable cannot be cast to org.apache.hadoop.io.Text
  28. Hive unable to manually set number of reducers
  29. Hadoop MapReduce provide nested directories as job input
  30. Change File Split size in Hadoop
  31. Renaming Part Files in Hadoop Map Reduce
  32. hadoop map reduce secondary sorting
  33. Calling a mapreduce job from a simple java program
  34. Yarn MapReduce Job Issue - AM Container launch error in Hadoop 2.3.0
  35. Pig vs Hive vs Native Map Reduce
  36. MultipleOutputFormat in hadoop
  37. Difference in calling the job
  38. Getting Started with Avro
  39. Hadoop on windows server
  40. How to specify KeyValueTextInputFormat Separator in Hadoop-.20 api?
  41. How do you use MapReduce/Hadoop?
  42. On what basis mapreduce framework decides whether to launch a combiner or not
  43. Mongo Map Reduce first time
  44. How to translate from SQL to NoSQL/MapReduce?
  45. Re-use Amazon Elastic MapReduce instance
  46. Hadoop MapReduce: Appropriate input files size?
  47. MapReduce in MongoDB doesn't output
  48. How to sum fields of collection elements without mapping them first (like foldLeft/reduceLeft)?
  49. Working with input splits(HADOOP)
  50. Streaming or custom Jar in Hadoop