hadoop core-default hdfs-default默许配置

hadoop core-default hdfs-default默认配置
Java代码??

1. dfs.replication.interval=3,??
2. fs.hsftp.impl=org.apache.hadoop.hdfs.HsftpFileSystem,??
3. dfs.safemode.extension=30000,??
4. ipc.server.tcpnodelay=false,??
5. dfs.web.ugi=webuser,webgroup,??
6. fs.checkpoint.dir=${hadoop.tmp.dir}/dfs/namesecondary,??
7. dfs.permissions.supergroup=supergroup,??
8. dfs.datanode.http.address=0.0.0.0:50075,??
9. dfs.replication.min=1,??
10. dfs.https.address=0.0.0.0:50470,??
11. dfs.datanode.dns.nameserver=default,??
12. dfs.http.address=0.0.0.0:50070,??
13. io.bytes.per.checksum=512,??
14. dfs.blockreport.intervalMsec=3600000,??
15. hadoop.util.hash.type=murmur,??
16. dfs.data.dir=${hadoop.tmp.dir}/dfs/data,??
17. fs.hdfs.impl=org.apache.hadoop.hdfs.DistributedFileSystem,??
18. fs.ramfs.impl=org.apache.hadoop.fs.InMemoryFileSystem,??
19. dfs.block.size=512,??
20. fs.hftp.impl=org.apache.hadoop.hdfs.HftpFileSystem,??
21. fs.checkpoint.period=3600,??
22. dfs.https.client.keystore.resource=ssl-client.xml,??
23. hadoop.logfile.count=10,??
24. dfs.support.append=false,??
25. ipc.client.connection.maxidletime=10000,??
26. io.seqfile.lazydecompress=true,??
27. dfs.datanode.dns.interface=default,??
28. fs.checkpoint.size=67108864,??
29. dfs.max.objects=0,??
30. local.cache.size=10737418240,??
31. fs.s3n.impl=org.apache.hadoop.fs.s3native.NativeS3FileSystem,??
32. fs.file.impl=org.apache.hadoop.fs.LocalFileSystem,??
33. fs.kfs.impl=org.apache.hadoop.fs.kfs.KosmosFileSystem,??
34. fs.s3.buffer.dir=${hadoop.tmp.dir}/s3,??
35. dfs.client.block.write.retries=3,??
36. ipc.client.kill.max=10,??
37. dfs.datanode.du.reserved=0,??
38. hadoop.security.authorization=false,??
39. dfs.replication.max=512,??
40. dfs.balance.bandwidthPerSec=1048576,??
41. fs.s3.sleepTimeSeconds=10,??
42. fs.default.name=hdfs://10.0.18.105:54310,??
43. hadoop.rpc.socket.factory.class.default=org.apache.hadoop.net.StandardSocketFactory,??
44. topology.node.switch.mapping.impl=org.apache.hadoop.net.ScriptBasedMapping,??
45. dfs.datanode.address=0.0.0.0:50010,??
46. dfs.access.time.precision=3600000,??
47. dfs.heartbeat.interval=3,??
48. dfs.replication.considerLoad=true,??
49. dfs.default.chunk.view.size=32768,??
50. io.file.buffer.size=4096,??
51. dfs.https.need.client.auth=false,??
52. dfs.datanode.ipc.address=0.0.0.0:50020,??
53. dfs.blockreport.initialDelay=0,??
54. fs.har.impl.disable.cache=true,??
55. hadoop.native.lib=true,??
56. fs.s3.block.size=67108864,??
57. dfs.replication=2,??
58. io.compression.codecs=org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec,??
59. dfs.https.enable=false,??
60. io.seqfile.compress.blocksize=1000000,??
61. fs.har.impl=org.apache.hadoop.fs.HarFileSystem,??
62. io.mapfile.bloom.error.rate=0.005,??
63. dfs.namenode.decommission.interval=30,??
64. io.skip.checksum.errors=false,??
65. fs.s3.maxRetries=4,??
66. ipc.server.listen.queue.size=128,??
67. fs.trash.interval=0,??
68. fs.s3.impl=org.apache.hadoop.fs.s3.S3FileSystem,??
69. io.seqfile.sorter.recordlimit=1000000,??
70. io.mapfile.bloom.size=1048576,??
71. dfs.namenode.startup=FORMAT,??
72. dfs.namenode.decommission.nodes.per.interval=5,??
73. webinterface.private.actions=false,??
74. dfs.name.edits.dir=${dfs.name.dir},??
75. hadoop.tmp.dir=/home/dikar/hadoop/tmp,??
76. fs.checkpoint.edits.dir=${fs.checkpoint.dir},??
77. dfs.safemode.threshold.pct=0.999f,??
78. ipc.client.idlethreshold=4000,??
79. dfs.permissions=true,??
80. dfs.namenode.handler.count=10,??
81. hadoop.logfile.size=10000000,??
82. dfs.namenode.logging.level=info,??
83. dfs.datanode.https.address=0.0.0.0:50475,??
84. dfs.secondary.http.address=0.0.0.0:50090,??
85. topology.script.number.args=100,??
86. dfs.https.server.keystore.resource=ssl-server.xml,??
87. fs.ftp.impl=org.apache.hadoop.fs.ftp.FTPFileSystem,??
88. dfs.name.dir=${hadoop.tmp.dir}/dfs/name,??
89. io.serializations=org.apache.hadoop.io.serializer.WritableSerialization,??
90. ipc.client.connect.max.retries=10,??
91. ipc.client.tcpnodelay=false,??
92. dfs.datanode.handler.count=3,??
93. dfs.df.interval=60000??

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?? 看这个默认的配置，大家就会发现

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1. hadoop.tmp.dir???

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? ? 这个配置的重要性了，其实tmp 真的不是temp *_<

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