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.tasktracker.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. |