云计算课程实验
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  1. <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  2. <configuration>
  3. <property>
  4. <name>mapreduce.framework.name</name>
  5. <value>yarn</value>
  6. </property>
  7. <property>
  8. <name>yarn.app.mapreduce.am.staging-dir</name>
  9. <value>/user</value>
  10. </property>
  11. <property>
  12. <name>mapreduce.jobhistory.address</name>
  13. <value>uhadoop-ia1nlbku-master2:10020</value>
  14. </property>
  15. <property>
  16. <name>mapreduce.job.reduce.slowstart.completedmaps</name>
  17. <value>0.95</value>
  18. </property>
  19. <property>
  20. <name>mapreduce.map.memory.mb</name>
  21. <value>2048</value>
  22. </property>
  23. <property>
  24. <name>mapreduce.reduce.memory.mb</name>
  25. <value>2048</value>
  26. </property>
  27. <property>
  28. <name>mapreduce.map.java.opts</name>
  29. <value>-Xmx1843M</value>
  30. </property>
  31. <property>
  32. <name>mapreduce.reduce.java.opts</name>
  33. <value>-Xmx1843M</value>
  34. </property>
  35. <property>
  36. <name>mapreduce.task.io.sort.mb</name>
  37. <value>512</value>
  38. </property>
  39. <property>
  40. <name>mapreduce.task.io.sort.factor</name>
  41. <value>100</value>
  42. </property>
  43. <property>
  44. <name>mapreduce.reduce.shuffle.parallelcopies</name>
  45. <value>50</value>
  46. </property>
  47. <property>
  48. <name>mapreduce.jobhistory.webapp.address</name>
  49. <value>uhadoop-ia1nlbku-master2:19888</value>
  50. </property>
  51. </configuration>