Big Data and Hadoop

HDFS Architecture

Deprecated Properties The following table lists the configuration property names that are deprecated in this version of Hadoop, and their replacements. Deprecated property name New property name create.empty.dir.if.nonexist mapreduce.jobcontrol.createdir.ifnotexist dfs.access.time.precision dfs.namenode.accesstime.precision dfs.backup.address dfs.namenode.backup.address dfs.backup.http.address dfs.namenode.backup.http-address dfs.balance.bandwidthPerSec dfs.datanode.balance.bandwidthPerSec dfs.block.size dfs.blocksize dfs.data.dir dfs.datanode.data.dir dfs.datanode.max.xcievers dfs.datanode.max.transfer.threads dfs.df.interval fs.df.interval dfs.encryption.key.provider.uri hadoop.security.key.provider.path dfs.federation.nameservice.id dfs.nameservice.id dfs.federation.nameservices dfs.nameservices dfs.http.address dfs.namenode.http-address dfs.https.address dfs.namenode.https-address dfs.https.client.keystore.resource dfs.client.https.keystore.resource dfs.https

For getting Information related to Unix Shell used in Hadoop or HDFS operation, get in touch with this link :- Unix Shell Guide : - HADOOP