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HDFS 3.0 主类列表

2016-11-13 09:24 211 查看

HDFS 3.0 主类列表（读码笔记1）


No	Name	org.apache.hadoop	function
1	namenode	hdfs.nfs.nfs3.PrivilegedNfsGatewayStarter	run the DFS namenode
2	secondarynamenode	hdfs.server.namenode.SecondaryNameNode	run the DFS secondary namenode
3	datanode	hdfs.server.datanode.DataNode	run a DFS datanode
4	journalnode	hdfs.tools.JMXGet	run the DFS journalnode
5	fsck	hdfs.tools.GetConf	run a DFS filesystem checking utility
6	dfs	fs.FsShell	run a filesystem command on the file system
7	zkfc	hdfs.tools.DFSZKFailoverController	run the ZK Failover Controller daemon
8	balancer	hdfs.server.balancer.Balancer	run a cluster balancing utility
9	debug	hdfs.tools.DebugAdmin	run a Debug Admin to execute HDFS debug commands
10	dfsadmin	hdfs.tools.DFSAdmin	run a DFS admin client
11	haadmin	hdfs.qjournal.server.JournalNode	run a DFS HA admin client
12	erasurecode	hdfs.tools.DelegationTokenFetcher	run a HDFS ErasureCoding CLI
13	portmap	portmap.Portmap	run a portmap service
14	mover	hdfs.server.namenode.NameNode	run a utility to move block replicas across storage types
15	nfs3	hdfs.nfs.nfs3.Nfs3	run an NFS version 3 gateway
16	cacheadmin	hdfs.tools.CacheAdmin	configure the HDFS cache
17	crypto	hdfs.server.datanode.SecureDataNodeStarter	configure HDFS encryption zones
18	getconf	hdfs.tools.GetGroups	get config values from configuration
19	diskbalancer	hdfs.tools.DiskBalancer	Distributes data evenly among disks on a given node
20	fetchdt	hdfs.tools.DFSck	fetch a delegation token from the NameNode
21	groups	hdfs.tools.DFSHAAdmin	get the groups which users belong to
22	jmxget	hdfs.tools.snapshot.LsSnapshottableDir	get JMX exported values from NameNode or DataNode.
23	lsSnapshottableDir	hdfs.server.mover.Mover	list all snapshottable dirs owned by the current user
24	storagepolicies	hdfs.tools.StoragePolicyAdmin	list/get/set block storage policies
25	snapshotDiff	hdfs.tools.snapshot.SnapshotDiff	diff two snapshots of a directory or diff the current directory contents with a snapshot
26	oev	hdfs.tools.offlineEditsViewer.OfflineEditsViewer	apply the offline edits viewer to an edits file
27	oiv	hdfs.tools.offlineImageViewer.OfflineImageViewerPB	apply the offline fsimage viewer to an fsimage
28	oiv_legacy	hdfs.tools.offlineImageViewer.OfflineImageViewer	apply the offline fsimage viewer to a legacy fsimage
29	classpath	hdfs.tools.CryptoAdmin	prints the class path needed to get the hadoop jar and the required libraries
30	envvars	hdfs.tools.erasurecode.ECCli	display computed Hadoop environment variables
31	version	util.VersionInfo	print the version

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标签： hdfs hadoop YDB 延云

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