hadoop-metrics配置说明

hadoop提供了各种运行时指标数据? 默认的监测配置如下

?

1. #?Configuration?of?the?"dfs"?context?for?null??
2. dfs.class=org.apache.hadoop.metrics.spi.NullContext??
3. ??
4. #?Configuration?of?the?"dfs"?context?for?file??
5. #dfs.class=org.apache.hadoop.metrics.file.FileContext??
6. #dfs.period=10??
7. #dfs.fileName=/tmp/dfsmetrics.log??
8. ??
9. #?Configuration?of?the?"dfs"?context?for?ganglia??
10. #?dfs.class=org.apache.hadoop.metrics.ganglia.GangliaContext??
11. #?dfs.period=10??
12. #?dfs.servers=localhost:8649??
13. ??
14. ??
15. #?Configuration?of?the?"mapred"?context?for?null??
16. mapred.class=org.apache.hadoop.metrics.spi.NullContext??
17. ??
18. #?Configuration?of?the?"mapred"?context?for?file??
19. #mapred.class=org.apache.hadoop.metrics.file.FileContext??
20. #mapred.period=10??
21. #mapred.fileName=/tmp/mrmetrics.log??
22. ??
23. #?Configuration?of?the?"mapred"?context?for?ganglia??
24. #?mapred.class=org.apache.hadoop.metrics.ganglia.GangliaContext??
25. #?mapred.period=10??
26. #?mapred.servers=localhost:8649??
27. ??
28. ??
29. #?Configuration?of?the?"jvm"?context?for?null??
30. jvm.class=org.apache.hadoop.metrics.spi.NullContext??
31. ??
32. #?Configuration?of?the?"jvm"?context?for?file??
33. #jvm.class=org.apache.hadoop.metrics.file.FileContext??
34. #jvm.period=10??
35. #jvm.fileName=/tmp/jvmmetrics.log??
36. ??
37. #?Configuration?of?the?"jvm"?context?for?ganglia??
38. #?jvm.class=org.apache.hadoop.metrics.ganglia.GangliaContext??
39. #?jvm.period=10??
40. #?jvm.servers=localhost:8649??

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