code>kms:\/\/http@tdh-test1:16000\/kms<\/a><\/p>\n![\"file\"](\"\/wp-content\/uploads\/2021\/01\/image-1610433432351.png\")
<\/p>\n
1.5 HDFS\u914d\u7f6e\u670d\u52a1\u5e76\u91cd\u542f<\/h5>\n2. inceptor\u6570\u636e\u5f00\u542f\u900f\u660e\u52a0\u5bc6<\/h4>\n
\u7531\u4e8einceptor\u4e0ahdfs\u7684\u6570\u636e\u90fd\u662f\u6709hive\u7528\u6237\u6765\u64cd\u4f5c\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5bf9hive\u79df\u6237\u6dfb\u52a0\u5bf9\u52a0\u5bc6\u57df\u7684\u652f\u6301\u5373\u53ef\u3002<\/p>\n
2.1 \u5728KMS\u914d\u7f6e\u9875\u9762\u6dfb\u52a0\u4ee5\u4e0b\u53c2\u6570\u5230 kms-acls.xml \u4e2d<\/h5>\n
\u53c2\u6570\uff1akey.acl.inceptor1-key.READ<\/code>
\n\u914d\u7f6e\u6587\u4ef6\uff1akms-acls.xml
\n\u503c\u4e3a\uff1ahive<\/code><\/p>\n\u53c2\u6570\uff1akey.acl.inceptor1-key.DECRYPT_EEK<\/code>
\n\u914d\u7f6e\u6587\u4ef6\uff1akms-acls.xml
\n\u503c\u4e3a\uff1ahive<\/code><\/p>\n![\"file\"](\"\/wp-content\/uploads\/2021\/01\/image-1610433677509.png\")
<\/p>\n
2.2 \u4ee5 keyadmin \u8eab\u4efd\u767b\u5f55\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa inceptor \u52a0\u5bc6\u79d8\u94a5<\/h5>\n> hadoop key create inceptor1-key<\/code><\/pre>\n\u6ce8\u610f\uff1a\u5728\u521b\u5efa\u79d8\u94a5\u65f6\uff0c\u53d1\u73b0\u65e0\u8bba\u662fhdfs\u8d85\u7ea7\u7528\u6237\u8fd8\u662f\u5176\u4ed6\u7528\u6237\u90fd\u65e0\u6cd5\u521b\u5efa\u6210\u529f\uff0c\u5fc5\u987b\u4f7f\u7528\u6211\u4eec\u5728\u5b89\u88c5\u914d\u7f6eKMS\u7684\u65f6\u5019\u8bbe\u7f6e\u7684\u79d8\u94a5\u7ba1\u7406\u5458keyadmin\u3002<\/p>\n
KMS\u53c2\u6570\u914d\u7f6e\u4e2d\uff0chadoop.kms.acl.CREATE\uff0c\u4e5f\u5c31\u662fACL for create-key operations\uff0c\u9ed8\u8ba4\u4e3akeyadmin\u3002<\/p>\n
2.3 \u4ee5 hdfs \u8eab\u4efd\u767b\u5f55\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u52a0\u5bc6\u533a<\/h5>\n> hadoop fs -mkdir \/inceptor1-encrypt\n> hadoop fs -chown hive:hive \/inceptor1-encrypt\n> hdfs crypto -createZone -keyName inceptor1-key -path \/inceptor1-encrypt<\/code><\/pre>\n\u6ce8\u610f\uff1a\u8fd9\u91cc\u9700\u8981\u4f7f\u7528hdfs\u8d85\u7ea7\u7528\u6237<\/p>\n
2.4 \u505c\u6b62 inceptor \u670d\u52a1\u6216\u8005\u786e\u4fdd inceptor \u6ca1\u6709\u65b0\u7684\u6570\u636e\u5199\u5165<\/h5>\n2.5 \u4ee5 hive \u8eab\u4efd\u767b\u5f55\uff0c\u5c06 Inceptor \u6570\u636e\u62f7\u8d1d\u5230\u52a0\u5bc6\u533a<\/h5>\n> hadoop fs -cp -p \/inceptor1\/* \/inceptor1-encrypt<\/code><\/pre>\n2.6 \u5907\u4efd\u539f\u59cb\u6570\u636e\uff0c\u5e76\u5c06\u52a0\u5bc6\u6570\u636e\u76ee\u5f55\u79fb\u52a8\u5230\u52a0\u5bc6\u533a<\/h5>\n> hadoop fs -mv \/inceptor1 \/inceptor1-bak\n> hadoop fs -mv \/inceptor1-encrypt \/inceptor1<\/code><\/pre>\n2.7 \u6d4b\u8bd5 Inceptor \u6570\u636e\u662f\u5426\u5b8c\u6574\u80fd\u8bbf\u95ee\uff0c\u786e\u8ba4\u540e\u5220\u9664\u5907\u4efd\u7684Inceptor\u6570\u636e (\/inceptor1-bak)<\/h5>\n3. \u9a8c\u8bc1\u65b9\u6cd5<\/h4>\n3.1 \u4e0d\u540c\u7528\u6237\u4e0a\u4f20\u4e0b\u8f7d\u64cd\u4f5c<\/h5>\n## hive\u79df\u6237\u4e0a\u4f20\u4e0b\u8f7d\uff0c\u5e76\u67e5\u770b\u6587\u4ef6\uff0cSucess\n[root@tdh-test1~]$ cat test\ntest is successful !\n\n[root@tdh-test1~]$ kinit hive\nPassword for hive@TDH:\n\n[root@tdh-test1~]$ hadoop fs -put .\/test \/inceptor1\n2021-01-12 05:49:24,678 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\n\n[root@tdh-test1~]$ hadoop fs -ls \/inceptor1\n2021-01-12 05:49:34,656 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nFound 3 items\n-rw-r--r-- 3 hive hive 21 2021-01-12 05:49 \/inceptor1\/test\ndrwxr-xr-x - hive hive 0 2021-01-12 01:45 \/inceptor1\/tmp\ndrwxr-xr-x - hive hive 0 2021-01-12 01:45 \/inceptor1\/user\n\n[root@tdh-test1~]$ hadoop fs -get \/inceptor1\/test .\/testout\n2021-01-12 06:06:23,277 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\n\n[root@tdh-test1~]$ ll\n\u603b\u7528\u91cf 1338628\n-rw-r--r--. 1 root root 270 1\u6708 11 02:55 cookies.txt\ndrwxr-xr-x. 13 root root 4096 1\u6708 11 09:30 TDH-Client\n-rw-r--r--. 1 root root 1370736640 1\u6708 11 02:57 tdh-client 1.tar\n-rw-r--r--. 1 root root 21 1\u6708 12 05:45 test\n-rw-r--r--. 1 root root 21 1\u6708 12 06:06 testout\n\n[root@tdh-test1~]$ cat testout\ntest is successful !<\/code><\/pre>\n## guardian\u65b0\u5efatestuser\u79df\u6237\u4e0a\u4f20\u4e0b\u8f7d\uff0cFailed\uff08\u914d\u7f6etestuser\u79df\u6237\u5bf9\u76ee\u5f55\u7684admin\/access\u6743\u9650\uff09\n[root@tdh-test1~]$ kinit testuser\nPassword for testuser@TDH:\n\n[root@tdh-test1~]$ hadoop fs -put .\/test \/inceptor1\n2021-01-12 05:47:52,578 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nput: User [testuser] is not authorized to perform [DECRYPT_EEK] on key with ACL name [inceptor1-key]!!\n2021-01-12 05:47:54,624 ERROR hdfs.DFSClient: Failed to close inode 21360\norg.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException): No lease on \/inceptor1\/test._COPYING_ (inode 21360): File does not exist. Holder DFSClient_NONMAPREDUCE_-978982774_1 does not have any open files.\n at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:3503)\n at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:3580)\n at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:3557)\n at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.complete(NameNodeRpcServer.java:784)\n at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.complete(ClientNamenodeProtocolServerSideTranslatorPB.java:537)\n at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)\n at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)\n at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)\n at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2225)\n at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2221)\n at java.security.AccessController.doPrivileged(Native Method)\n at javax.security.auth.Subject.doAs(Subject.java:415)\n at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2197)\n at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2219)\n at org.apache.hadoop.ipc.Client.call(Client.java:1485)\n at org.apache.hadoop.ipc.Client.call(Client.java:1422)\n at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)\n at com.sun.proxy.$Proxy10.complete(Unknown Source)\n at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.complete(ClientNamenodeProtocolTranslatorPB.java:462)\n at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n at java.lang.reflect.Method.invoke(Method.java:498)\n at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)\n at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)\n at com.sun.proxy.$Proxy11.complete(Unknown Source)\n at org.apache.hadoop.hdfs.DFSOutputStream.completeFile(DFSOutputStream.java:2539)\n at org.apache.hadoop.hdfs.DFSOutputStream.closeImpl(DFSOutputStream.java:2516)\n at org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:2481)\n at org.apache.hadoop.hdfs.DFSClient.closeAllFilesBeingWritten(DFSClient.java:946)\n at org.apache.hadoop.hdfs.DFSClient.closeOutputStreams(DFSClient.java:978)\n at org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:1076)\n at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:2775)\n at org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer.run(FileSystem.java:2792)\n at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)\n\n[root@tdh-test1~]$ hadoop fs -get \/inceptor1\/test\n2021-01-12 06:10:29,319 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nget: User [testuser] is not authorized to perform [DECRYPT_EEK] on key with ACL name [inceptor1-key]!!<\/code><\/pre>\n3.2 \u67e5\u770b\u6570\u636e\u6587\u4ef6\u5185\u5bb9<\/h5>\n
\u68c0\u67e5\u975e\u52a0\u5bc6\u533a\u6587\u4ef6\u5185\u5bb9\uff1a<\/strong><\/p>\n\u8fd9\u91cc\u53ef\u4ee5\u9009\u62e9\u901a\u8fc7HDFS\u768450070\u9875\u9762\uff0c\u67e5\u770bblock\u5206\u5e03\u5728\u54ea\u53f0DataNode\u4e0a\uff1a<\/p>\n
![\"file\"](\"\/wp-content\/uploads\/2021\/01\/image-1610501059642.png\")
<\/p>\n
\u4e5f\u53ef\u4ee5\u901a\u8fc7hdfs\u547d\u4ee4\u7684\u65b9\u5f0f\u83b7\u53d6\uff1a<\/p>\n
[root@tdh-test1~]$ hdfs fsck \/tmp\/test -files -blocks -locations\n2021-01-12 05:58:45,860 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nConnecting to namenode via http:\/\/tdh-test3:50070\/fsck?ugi=hdfs&files=1&blocks=1&locations=1&path=%2Ftmp%2Ftest\nFSCK started by hdfs (auth:KERBEROS_SSL) from \/172.22.16.18 for path \/tmp\/test at Tue Jan 12 05:58:47 CST 2021\n\/tmp\/test 21 bytes, 1 block(s): OK\n0. BP-958374365-172.22.16.19-1608257603692:blk_1073745675_4860 len=21 repl=3 [DatanodeInfoWithStorage[172.22.16.20:50010,DS-1d8f9111-d978-4d65-9d8a-f67bed172ca0,DISK], DatanodeInfoWithStorage[172.22.16.18:50010,DS-aade77ae-f970-4835-99e2-59de4b349565,DISK], DatanodeInfoWithStorage[172.22.16.19:50010,DS-add9827c-d1bc-452e-9589-152f9072b016,DISK]]\n\nStatus: HEALTHY\nTotal size: 21 B\nTotal dirs: 0\nTotal files: 1\nTotal symlinks: 0\nTotal blocks (validated): 1 (avg. block size 21 B)\nMinimally replicated blocks: 1 (100.0 %)\nOver-replicated blocks: 0 (0.0 %)\nUnder-replicated blocks: 0 (0.0 %)\nMis-replicated blocks: 0 (0.0 %)\nDefault replication factor: 3\nAverage block replication: 3.0\nCorrupt blocks: 0\nMissing replicas: 0 (0.0 %)\nNumber of data-nodes: 3\nNumber of racks: 1\nFSCK ended at Tue Jan 12 05:58:47 CST 2021 in 1 milliseconds\n\nThe filesystem under path '\/tmp\/test' is HEALTHY\n\n[root@tdh-test1~]$ find \/mnt\/disk* -name 'blk_1073745675*'\n\/mnt\/disk2\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745675\n\/mnt\/disk2\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745675_4860.meta<\/code><\/pre>\n[root@tdh-test1~]$ cat \/mnt\/disk2\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745675\ntest is successful !<\/code><\/pre>\n\u68c0\u67e5\u52a0\u5bc6\u533a\u6587\u4ef6\u5185\u5bb9\uff1a<\/strong><\/p>\n\u8fd9\u91cc\u53ef\u4ee5\u9009\u62e9\u901a\u8fc7HDFS\u768450070\u9875\u9762\uff0c\u67e5\u770bblock\u5206\u5e03\u5728\u54ea\u53f0DataNode\u4e0a\uff1a<\/p>\n
![\"file\"](\"\/wp-content\/uploads\/2021\/01\/image-1610500918932.png\")
<\/p>\n
\u4e5f\u53ef\u4ee5\u901a\u8fc7hdfs\u547d\u4ee4\u7684\u65b9\u5f0f\u83b7\u53d6\uff1a<\/p>\n
[root@tdh-test1~]$ hdfs fsck \/inceptor1\/test -files -blocks -locations\n2021-01-12 06:01:25,620 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nConnecting to namenode via http:\/\/tdh-test3:50070\/fsck?ugi=hdfs&files=1&blocks=1&locations=1&path=%2Finceptor1%2Ftest\nFSCK started by hdfs (auth:KERBEROS_SSL) from \/172.22.16.18 for path \/inceptor1\/test at Tue Jan 12 06:01:27 CST 2021\n\/inceptor1\/test 21 bytes, 1 block(s): OK\n0. BP-958374365-172.22.16.19-1608257603692:blk_1073745670_4855 len=21 repl=3 [DatanodeInfoWithStorage[172.22.16.18:50010,DS-9f0d79c6-557c-46b4-84d9-c6ad8e038c8d,DISK], DatanodeInfoWithStorage[172.22.16.19:50010,DS-2b035d2f-0569-44fb-968a-d29f073b678f,DISK], DatanodeInfoWithStorage[172.22.16.20:50010,DS-52e720e1-fc4f-4778-a891-92c0a070264e,DISK]]\n\nStatus: HEALTHY\nTotal size: 21 B\nTotal dirs: 0\nTotal files: 1\nTotal symlinks: 0\nTotal blocks (validated): 1 (avg. block size 21 B)\nMinimally replicated blocks: 1 (100.0 %)\nOver-replicated blocks: 0 (0.0 %)\nUnder-replicated blocks: 0 (0.0 %)\nMis-replicated blocks: 0 (0.0 %)\nDefault replication factor: 3\nAverage block replication: 3.0\nCorrupt blocks: 0\nMissing replicas: 0 (0.0 %)\nNumber of data-nodes: 3\nNumber of racks: 1\nFSCK ended at Tue Jan 12 06:01:27 CST 2021 in 1 milliseconds\n\nThe filesystem under path '\/inceptor1\/test' is HEALTHY\n\n[root@tdh-test1~]$ find \/mnt\/disk* -name 'blk_1073745670*'\n\/mnt\/disk1\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745670\n\/mnt\/disk1\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745670_4855.meta<\/code><\/pre>\n[root@tdh-test1~]$ cat \/mnt\/disk1\/hadoop\/data\/current\/BP-958374365-172.22.16.19-1608257603692\/current\/finalized\/subdir0\/subdir15\/blk_1073745670\n\udb2c\udc46\u02ff&+\u00ac\u0541 3\u03624X<\/code><\/pre>\n3.2 \/.reserved\/raw\u65b9\u5f0f\u67e5\u770b\u6570\u636e\u6587\u4ef6\u5185\u5bb9<\/h5>\n
\u4e3a\u4e86\u5728\u4f7f\u7528HDFS\u52a0\u5bc6\u65f6\u542f\u7528\u76f8\u540c\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4e00\u4e2a\u65b0\u7684\u865a\u62df\u8def\u5f84\u524d\u7f00\/.reserved\/raw\/\uff0c\u5b83\u5141\u8bb8\u8d85\u7ea7\u7528\u6237\u76f4\u63a5\u8bbf\u95ee\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u5e95\u5c42\u5757\u6570\u636e\u3002<\/p>\n
# \u4ee5Superuser\u7528\u6237hdfs\u767b\u5f55\uff0c\u67e5\u770b\u52a0\u5bc6\u6587\u4ef6\u548c\u975e\u52a0\u5bc6\u6587\u4ef6\n[root@tdh-test1~]$ kinit hdfs\nPassword for hdfs@TDH:\n\n[root@tdh-test1~]$ hdfs dfs -ls \/.reserved\/raw\n2021-01-12 06:12:52,165 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\nFound 7 items\ndrwx--x--x - hbase hbase 0 2021-01-10 13:51 \/.reserved\/raw\/hyperbase1\ndrwxr-xr-x - hive hive 0 2021-01-12 06:08 \/.reserved\/raw\/inceptor1\ndrwx--x--x - hive hive 0 2020-12-25 07:46 \/.reserved\/raw\/inceptor1-bak\ndrwxr-xr-x - hive hbase 0 2021-01-12 01:59 \/.reserved\/raw\/inceptor1-encrypt\ndrwxrwxrwt - hdfs hadoop 0 2021-01-12 05:56 \/.reserved\/raw\/tmp\ndrwxrwxrwt - hdfs hadoop 0 2021-01-12 05:53 \/.reserved\/raw\/user\ndrwxr-xr-x - hdfs hbase 0 2020-12-18 10:17 \/.reserved\/raw\/yarn1\n\n[root@tdh-test1~]$ hadoop fs -cat \/.reserved\/raw\/inceptor1\/test\n2021-01-12 06:13:25,513 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\n\udb2c\udc46\u02ff&+\u00ac\u0541 3\u03624X\n\n[root@tdh-test1~]$ hadoop fs -cat \/.reserved\/raw\/tmp\/test\n2021-01-12 06:14:16,814 INFO util.KerberosUtil: Using principal pattern: HTTP\/_HOST\ntest is successful !<\/code><\/pre>\n4. FAQ<\/h4>\n4.1 \u91cd\u547d\u540d\u548c\u5783\u573e\u6876\u7684\u8003\u8651<\/h5>\n
\u5173\u4e8etrash\u7684\u8bdd\uff0c\u201cHadoop 2.8.0\u4e4b\u524d\u7684crypto\u547d\u4ee4\u4e0d\u4f1a\u81ea\u52a8\u914d\u7f6e.Trash\u76ee\u5f55\u201d\uff0c\u76ee\u524d\u7684\u7248\u672c\u5e94\u8be5\u662f\u6ca1\u6709\u81ea\u52a8\u914d\u7f6e\u5f53\u524d\u8def\u5f84trash\u76ee\u5f55\uff0c\u6240\u4ee5\u4f1a\u53bb\u627e\u4e3b\u76ee\u5f55\uff0c\u4f46\u662f\u56e0\u4e3a\u6743\u9650\u95ee\u9898\u5176\u5b9e\u662f\u79fb\u52a8\u4e0d\u4e86\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u8ba4\u4e3a\u662f\u52a0\u5bc6\u533atrash\u529f\u80fd\u6682\u4e0d\u652f\u6301\u3002<\/p>\n
4.2 \u5173\u95ed\u900f\u660e\u52a0\u5bc6<\/h5>\n
\u6682\u65f6\u8fd8\u6ca1\u770b\u5230\u6709\u63d0\u4f9b\u9006\u5411\u5de5\u7a0b\u7684\u65b9\u6cd5\uff0c\u5173\u95edkms\u5e76\u4e0d\u4f1a\u5bf9\u52a0\u5bc6\u533a\u8fdb\u884c\u89e3\u5bc6\u7684\u3002\u52a0\u5bc6\u533a\u4e2d\u7684\u6587\u4ef6\u4f1a\u5904\u4e8e\u52a0\u5bc6\u7684\u72b6\u6001\uff0c\u53ea\u662f\u7f3a\u5c11\u4e86kms\u4f1a\u53d6\u4e0d\u5230\u5bc6\u94a5\u6765\u8bfb\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981\u63cf\u8ff0 \u6570\u636e\u52a0\u5bc6\u662f\u5b89\u5168\u7ea7\u522b\u8981\u6c42\u8f83\u9ad8\u4f01\u4e1a\u6240\u5fc5\u987b\u7684\uff0c\u6bd4\u5982\u8bf4\u91d1\u878d\u884c\u4e1a\uff0c\u533b\u7597\u884c\u4e1a\u6216\u8005\u653f\u5e9c\u3002\u6211\u4eec\u77e5\u9053HDFS\u4e2d\u7684\u6570\u636e\u4f1a ..<\/p>\n
<\/div>\n
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