hadoop 2.2.X 配置参数说明：hdfs-site.xml
dfs.cluster.administrators
hdfs
dfs.block.access.token.enable
true
dfs.datanode.failed.volumes.tolerated
0
dfs.replication.max
50
dfs.datanode.du.reserved
1073741824
dfs.blockreport.initialDelay
120
dfs.datanode.data.dir
file:///data/hadoop/hdfs/dn
dfs.client.read.shortcircuit
true
dfs.datanode.max.transfer.threads
4096
dfs.namenode.http-address
hadoop01:50070
dfs.client.read.shortcircuit.streams.cache.size
4096
dfs.namenode.avoid.write.stale.datanode
true
dfs.namenode.avoid.read.stale.datanode
true
dfs.namenode.stale.datanode.interval
30000
dfs.permissions.enabled
true
dfs.datanode.ipc.address
0.0.0.0:8010
dfs.namenode.name.dir
file:///data/hadoop/hdfs/nn
dfs.journalnode.http-address
0.0.0.0:8480
dfs.heartbeat.interval
3
dfs.datanode.data.dir.perm
750
fs.permissions.umask-mode
022
dfs.datanode.balance.bandwidthPerSec
6250000
dfs.namenode.accesstime.precision
0
dfs.namenode.write.stale.datanode.ratio
1.0f
dfs.namenode.checkpoint.dir
file:///data/hadoop/hdfs/snn
dfs.journalnode.edits.dir
/grid/0/hdfs/journal
dfs.blocksize
134217728
dfs.replication
3
dfs.block.local-path-access.user
hbase
dfs.datanode.address
0.0.0.0:50010
dfs.datanode.http.address
0.0.0.0:50075
dfs.https.namenode.https-address
c6401.ambari.apache.org:50470
dfs.webhdfs.enabled
true
dfs.namenode.handler.count
100
dfs.namenode.secondary.http-address
hadoop02:50090
dfs.permissions.superusergroup
hdfs
dfs.namenode.safemode.threshold-pct
1.0f
dfs.domain.socket.path
/var/lib/hadoop-hdfs/dn_socket
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