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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.need.client.auth	dfs.client.https.need-auth
dfs.max.objects	dfs.namenode.max.objects
dfs.max-repl-streams	dfs.namenode.replication.max-streams
dfs.name.dir	dfs.namenode.name.dir
dfs.name.dir.restore	dfs.namenode.name.dir.restore
dfs.name.edits.dir	dfs.namenode.edits.dir
dfs.permissions	dfs.permissions.enabled
dfs.permissions.supergroup	dfs.permissions.superusergroup
dfs.read.prefetch.size	dfs.client.read.prefetch.size
dfs.replication.considerLoad	dfs.namenode.redundancy.considerLoad
dfs.namenode.replication.considerLoad	dfs.namenode.redundancy.considerLoad
dfs.namenode.replication.considerLoad.factor	dfs.namenode.redundancy.considerLoad.factor
dfs.replication.interval	dfs.namenode.redundancy.interval
dfs.namenode.replication.interval	dfs.namenode.redundancy.interval
dfs.replication.min	dfs.namenode.replication.min
dfs.replication.pending.timeout.sec	dfs.namenode.reconstruction.pending.timeout-sec
dfs.namenode.replication.pending.timeout-sec	dfs.namenode.reconstruction.pending.timeout-sec
dfs.safemode.extension	dfs.namenode.safemode.extension
dfs.safemode.threshold.pct	dfs.namenode.safemode.threshold-pct
dfs.secondary.http.address	dfs.namenode.secondary.http-address
dfs.socket.timeout	dfs.client.socket-timeout
dfs.umaskmode	fs.permissions.umask-mode
dfs.web.ugi	hadoop.http.staticuser.user
dfs.write.packet.size	dfs.client-write-packet-size
fs.checkpoint.dir	dfs.namenode.checkpoint.dir
fs.checkpoint.edits.dir	dfs.namenode.checkpoint.edits.dir
fs.checkpoint.period	dfs.namenode.checkpoint.period
fs.default.name	fs.defaultFS
fs.s3a.server-side-encryption-key	fs.s3a.server-side-encryption.key
hadoop.configured.node.mapping	net.topology.configured.node.mapping
hadoop.native.lib	io.native.lib.available
hadoop.pipes.command-file.keep	mapreduce.pipes.commandfile.preserve
hadoop.pipes.executable.interpretor	mapreduce.pipes.executable.interpretor
hadoop.pipes.executable	mapreduce.pipes.executable
hadoop.pipes.java.mapper	mapreduce.pipes.isjavamapper
hadoop.pipes.java.recordreader	mapreduce.pipes.isjavarecordreader
hadoop.pipes.java.recordwriter	mapreduce.pipes.isjavarecordwriter
hadoop.pipes.java.reducer	mapreduce.pipes.isjavareducer
hadoop.pipes.partitioner	mapreduce.pipes.partitioner
heartbeat.recheck.interval	dfs.namenode.heartbeat.recheck-interval
httpfs.authentication.kerberos.keytab	hadoop.http.authentication.kerberos.keytab
httpfs.authentication.kerberos.principal	hadoop.http.authentication.kerberos.principal
httpfs.authentication.signature.secret.file	hadoop.http.authentication.signature.secret.file
httpfs.authentication.type	hadoop.http.authentication.type
io.bytes.per.checksum	dfs.bytes-per-checksum
io.sort.factor	mapreduce.task.io.sort.factor
io.sort.mb	mapreduce.task.io.sort.mb
io.sort.spill.percent	mapreduce.map.sort.spill.percent
jobclient.completion.poll.interval	mapreduce.client.completion.pollinterval
jobclient.output.filter	mapreduce.client.output.filter
jobclient.progress.monitor.poll.interval	mapreduce.client.progressmonitor.pollinterval
job.end.notification.url	mapreduce.job.end-notification.url
job.end.retry.attempts	mapreduce.job.end-notification.retry.attempts
job.end.retry.interval	mapreduce.job.end-notification.retry.interval
job.local.dir	mapreduce.job.local.dir
keep.failed.task.files	mapreduce.task.files.preserve.failedtasks
keep.task.files.pattern	mapreduce.task.files.preserve.filepattern
key.value.separator.in.input.line	mapreduce.input.keyvaluelinerecordreader.key.value.separator
map.input.file	mapreduce.map.input.file
map.input.length	mapreduce.map.input.length
map.input.start	mapreduce.map.input.start
map.output.key.field.separator	mapreduce.map.output.key.field.separator
map.output.key.value.fields.spec	mapreduce.fieldsel.map.output.key.value.fields.spec
mapred.acls.enabled	mapreduce.cluster.acls.enabled
mapred.binary.partitioner.left.offset	mapreduce.partition.binarypartitioner.left.offset
mapred.binary.partitioner.right.offset	mapreduce.partition.binarypartitioner.right.offset
mapred.cache.archives	mapreduce.job.cache.archives
mapred.cache.archives.timestamps	mapreduce.job.cache.archives.timestamps
mapred.cache.files	mapreduce.job.cache.files
mapred.cache.files.timestamps	mapreduce.job.cache.files.timestamps
mapred.cache.localArchives	mapreduce.job.cache.local.archives
mapred.cache.localFiles	mapreduce.job.cache.local.files
mapred.child.tmp	mapreduce.task.tmp.dir
mapred.cluster.map.memory.mb	mapreduce.cluster.mapmemory.mb
mapred.cluster.max.map.memory.mb	mapreduce.jobtracker.maxmapmemory.mb
mapred.cluster.max.reduce.memory.mb	mapreduce.jobtracker.maxreducememory.mb
mapred.cluster.reduce.memory.mb	mapreduce.cluster.reducememory.mb
mapred.committer.job.setup.cleanup.needed	mapreduce.job.committer.setup.cleanup.needed
mapred.compress.map.output	mapreduce.map.output.compress
mapred.data.field.separator	mapreduce.fieldsel.data.field.separator
mapred.debug.out.lines	mapreduce.task.debugout.lines
mapred.inmem.merge.threshold	mapreduce.reduce.merge.inmem.threshold
mapred.input.dir.formats	mapreduce.input.multipleinputs.dir.formats
mapred.input.dir.mappers	mapreduce.input.multipleinputs.dir.mappers
mapred.input.dir	mapreduce.input.fileinputformat.inputdir
mapred.input.pathFilter.class	mapreduce.input.pathFilter.class
mapred.jar	mapreduce.job.jar
mapred.job.classpath.archives	mapreduce.job.classpath.archives
mapred.job.classpath.files	mapreduce.job.classpath.files
mapred.job.id	mapreduce.job.id
mapred.job.map.memory.mb	mapreduce.map.memory.mb
mapred.job.name	mapreduce.job.name
mapred.job.priority	mapreduce.job.priority
mapred.job.queue.name	mapreduce.job.queuename
mapred.job.reduce.input.buffer.percent	mapreduce.reduce.input.buffer.percent
mapred.job.reduce.markreset.buffer.percent	mapreduce.reduce.markreset.buffer.percent
mapred.job.reduce.memory.mb	mapreduce.reduce.memory.mb
mapred.job.reduce.total.mem.bytes	mapreduce.reduce.memory.totalbytes
mapred.job.reuse.jvm.num.tasks	mapreduce.job.jvm.numtasks
mapred.job.shuffle.input.buffer.percent	mapreduce.reduce.shuffle.input.buffer.percent
mapred.job.shuffle.merge.percent	mapreduce.reduce.shuffle.merge.percent
mapred.job.tracker	mapreduce.jobtracker.address
mapred.job.tracker.persist.jobstatus.active	mapreduce.jobtracker.persist.jobstatus.active
mapred.job.tracker.retire.jobs	mapreduce.jobtracker.retirejobs
mapred.join.expr	mapreduce.join.expr
mapred.join.keycomparator	mapreduce.join.keycomparator
mapred.lazy.output.format	mapreduce.output.lazyoutputformat.outputformat
mapred.line.input.format.linespermap	mapreduce.input.lineinputformat.linespermap
mapred.linerecordreader.maxlength	mapreduce.input.linerecordreader.line.maxlength
mapred.local.dir	mapreduce.cluster.local.dir
mapred.map.child.env	mapreduce.map.env
mapred.map.child.java.opts	mapreduce.map.java.opts
mapred.map.child.log.level	mapreduce.map.log.level
mapred.map.max.attempts	mapreduce.map.maxattempts
mapred.map.output.compression.codec	mapreduce.map.output.compress.codec
mapred.mapoutput.key.class	mapreduce.map.output.key.class
mapred.mapoutput.value.class	mapreduce.map.output.value.class
mapred.mapper.regex.group	mapreduce.mapper.regexmapper..group
mapred.mapper.regex	mapreduce.mapper.regex
mapred.map.task.debug.script	mapreduce.map.debug.script
mapred.map.tasks	mapreduce.job.maps
mapred.map.tasks.speculative.execution	mapreduce.map.speculative
mapred.max.map.failures.percent	mapreduce.map.failures.maxpercent
mapred.max.reduce.failures.percent	mapreduce.reduce.failures.maxpercent
mapred.max.split.size	mapreduce.input.fileinputformat.split.maxsize
mapred.max.tracker.failures	mapreduce.job.maxtaskfailures.per.tracker
mapred.merge.recordsBeforeProgress	mapreduce.task.merge.progress.records
mapred.min.split.size	mapreduce.input.fileinputformat.split.minsize
mapred.min.split.size.per.node	mapreduce.input.fileinputformat.split.minsize.per.node
mapred.min.split.size.per.rack	mapreduce.input.fileinputformat.split.minsize.per.rack
mapred.output.compression.codec	mapreduce.output.fileoutputformat.compress.codec
mapred.output.compression.type	mapreduce.output.fileoutputformat.compress.type
mapred.output.compress	mapreduce.output.fileoutputformat.compress
mapred.output.dir	mapreduce.output.fileoutputformat.outputdir
mapred.output.key.class	mapreduce.job.output.key.class
mapred.output.key.comparator.class	mapreduce.job.output.key.comparator.class
mapred.output.value.class	mapreduce.job.output.value.class
mapred.output.value.groupfn.class	mapreduce.job.output.group.comparator.class
mapred.permissions.supergroup	mapreduce.cluster.permissions.supergroup
mapred.pipes.user.inputformat	mapreduce.pipes.inputformat
mapred.reduce.child.env	mapreduce.reduce.env
mapred.reduce.child.java.opts	mapreduce.reduce.java.opts
mapred.reduce.child.log.level	mapreduce.reduce.log.level
mapred.reduce.max.attempts	mapreduce.reduce.maxattempts
mapred.reduce.parallel.copies	mapreduce.reduce.shuffle.parallelcopies
mapred.reduce.slowstart.completed.maps	mapreduce.job.reduce.slowstart.completedmaps
mapred.reduce.task.debug.script	mapreduce.reduce.debug.script
mapred.reduce.tasks	mapreduce.job.reduces
mapred.reduce.tasks.speculative.execution	mapreduce.reduce.speculative
mapred.seqbinary.output.key.class	mapreduce.output.seqbinaryoutputformat.key.class
mapred.seqbinary.output.value.class	mapreduce.output.seqbinaryoutputformat.value.class
mapred.shuffle.connect.timeout	mapreduce.reduce.shuffle.connect.timeout
mapred.shuffle.read.timeout	mapreduce.reduce.shuffle.read.timeout
mapred.skip.attempts.to.start.skipping	mapreduce.task.skip.start.attempts
mapred.skip.map.auto.incr.proc.count	mapreduce.map.skip.proc-count.auto-incr
mapred.skip.map.max.skip.records	mapreduce.map.skip.maxrecords
mapred.skip.on	mapreduce.job.skiprecords
mapred.skip.out.dir	mapreduce.job.skip.outdir
mapred.skip.reduce.auto.incr.proc.count	mapreduce.reduce.skip.proc-count.auto-incr
mapred.skip.reduce.max.skip.groups	mapreduce.reduce.skip.maxgroups
mapred.speculative.execution.slowNodeThreshold	mapreduce.job.speculative.slownodethreshold
mapred.speculative.execution.slowTaskThreshold	mapreduce.job.speculative.slowtaskthreshold
mapred.speculative.execution.speculativeCap	mapreduce.job.speculative.speculativecap
mapred.submit.replication	mapreduce.client.submit.file.replication
mapred.system.dir	mapreduce.jobtracker.system.dir
mapred.task.cache.levels	mapreduce.jobtracker.taskcache.levels
mapred.task.id	mapreduce.task.attempt.id
mapred.task.is.map	mapreduce.task.ismap
mapred.task.partition	mapreduce.task.partition
mapred.task.profile	mapreduce.task.profile
mapred.task.profile.maps	mapreduce.task.profile.maps
mapred.task.profile.params	mapreduce.task.profile.params
mapred.task.profile.reduces	mapreduce.task.profile.reduces
mapred.task.timeout	mapreduce.task.timeout
mapred.tasktracker.indexcache.mb	mapreduce.reduce.shuffle.indexcache.mb
mapreduce.tasktracker.indexcache.mb	mapreduce.reduce.shuffle.indexcache.mb
mapred.tasktracker.map.tasks.maximum	mapreduce.tasktracker.map.tasks.maximum
mapred.tasktracker.memory_calculator_plugin	mapreduce.tasktracker.resourcecalculatorplugin
mapred.tasktracker.memorycalculatorplugin	mapreduce.tasktracker.resourcecalculatorplugin
mapred.temp.dir	mapreduce.cluster.temp.dir
mapred.text.key.comparator.options	mapreduce.partition.keycomparator.options
mapred.text.key.partitioner.options	mapreduce.partition.keypartitioner.options
mapred.textoutputformat.separator	mapreduce.output.textoutputformat.separator
mapred.tip.id	mapreduce.task.id
mapreduce.combine.class	mapreduce.job.combine.class
mapreduce.inputformat.class	mapreduce.job.inputformat.class
mapreduce.job.counters.limit	mapreduce.job.counters.max
mapreduce.map.class	mapreduce.job.map.class
mapreduce.outputformat.class	mapreduce.job.outputformat.class
mapreduce.partitioner.class	mapreduce.job.partitioner.class
mapreduce.reduce.class	mapreduce.job.reduce.class
mapred.used.genericoptionsparser	mapreduce.client.genericoptionsparser.used
mapred.userlog.limit.kb	mapreduce.task.userlog.limit.kb
mapred.working.dir	mapreduce.job.working.dir
mapred.work.output.dir	mapreduce.task.output.dir
min.num.spills.for.combine	mapreduce.map.combine.minspills
reduce.output.key.value.fields.spec	mapreduce.fieldsel.reduce.output.key.value.fields.spec
security.job.submission.protocol.acl	security.job.client.protocol.acl
security.task.umbilical.protocol.acl	security.job.task.protocol.acl
sequencefile.filter.class	mapreduce.input.sequencefileinputfilter.class
sequencefile.filter.frequency	mapreduce.input.sequencefileinputfilter.frequency
sequencefile.filter.regex	mapreduce.input.sequencefileinputfilter.regex
session.id	dfs.metrics.session-id
slave.host.name	dfs.datanode.hostname
topology.node.switch.mapping.impl	net.topology.node.switch.mapping.impl
topology.script.file.name	net.topology.script.file.name
topology.script.number.args	net.topology.script.number.args
user.name	mapreduce.job.user.name
yarn.app.mapreduce.yarn.app.mapreduce.client-am.ipc.max-retries-on-timeouts	yarn.app.mapreduce.client-am.ipc.max-retries-on-timeouts
yarn.client.app-submission.poll-interval	yarn.client.application-client-protocol.poll-timeout-ms

The following table lists additional changes to some configuration properties:

Deprecated property name	New property name
mapred.create.symlink	NONE - symlinking is always on
mapreduce.job.cache.symlink.create	NONE - symlinking is always on
io.native.lib.available	NONE - Always use native libraries if available.