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Senthilkumar commented on HDFS-10721: ------------------------------------- [~jzhuge] Already subscribed to hdfs-...@hadoop.apache.org Not sure why i'm not seeing assign to me field.. > HDFS NFS Gateway - Exporting multiple Directories > -------------------------------------------------- > > Key: HDFS-10721 > URL: https://issues.apache.org/jira/browse/HDFS-10721 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs > Reporter: Senthilkumar > Priority: Minor > > Current HDFS NFS gateway Supports exporting only one Directory.. > Example : > <property> > <name>nfs.export.point</name> > <value>/user</value> > </property> > This property helps us to export particular directory .. > Code Block : > public RpcProgramMountd(NfsConfiguration config, > DatagramSocket registrationSocket, boolean allowInsecurePorts) > throws IOException { > // Note that RPC cache is not enabled > super("mountd", "localhost", config.getInt( > NfsConfigKeys.DFS_NFS_MOUNTD_PORT_KEY, > NfsConfigKeys.DFS_NFS_MOUNTD_PORT_DEFAULT), PROGRAM, VERSION_1, > VERSION_3, registrationSocket, allowInsecurePorts); > exports = new ArrayList<String>(); > exports.add(config.get(NfsConfigKeys.DFS_NFS_EXPORT_POINT_KEY, > NfsConfigKeys.DFS_NFS_EXPORT_POINT_DEFAULT)); > this.hostsMatcher = NfsExports.getInstance(config); > this.mounts = Collections.synchronizedList(new ArrayList<MountEntry>()); > UserGroupInformation.setConfiguration(config); > SecurityUtil.login(config, NfsConfigKeys.DFS_NFS_KEYTAB_FILE_KEY, > NfsConfigKeys.DFS_NFS_KERBEROS_PRINCIPAL_KEY); > this.dfsClient = new DFSClient(NameNode.getAddress(config), config); > } > Export List: > exports.add(config.get(NfsConfigKeys.DFS_NFS_EXPORT_POINT_KEY, > NfsConfigKeys.DFS_NFS_EXPORT_POINT_DEFAULT)); > Current Code is supporting only one directory to be exposed ... Based on our > example /user can be exported .. > Most of the production environment expects more number of directories should > be exported and the same can be mounted for different clients.. > Example: > <property> > <name>nfs.export.point</name> > <value>/user,/data/web_crawler,/app-logs</value> > </property> > Here i have three directories to be exposed .. > 1) /user > 2) /data/web_crawler > 3) /app-logs > This would help us to mount directories for particular client ( Say client A > wants to write data in /app-logs - Hadoop Admin can mount and handover to > clients ). > Please advise here.. Sorry if this feature is already implemented.. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org