branch-2.0.4-alpha/hadoop-common-project/hadoop-common/src/site/apt/DeprecatedProperties.apt.vm

~~ Licensed under the Apache License, Version 2.0 (the "License");
~~ you may not use this file except in compliance with the License.
~~ You may obtain a copy of the License at
~~
~~   http://www.apache.org/licenses/LICENSE-2.0
~~
~~ Unless required by applicable law or agreed to in writing, software
~~ distributed under the License is distributed on an "AS IS" BASIS,
~~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~~ See the License for the specific language governing permissions and
~~ limitations under the License. See accompanying LICENSE file.

  ---
  Hadoop ${project.version}
  ---
  ---
  ${maven.build.timestamp}
  
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.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.replication.considerLoad
*---+---+
|dfs.replication.interval | dfs.namenode.replication.interval
*---+---+
|dfs.replication.min | dfs.namenode.replication.min
*---+---+
|dfs.replication.pending.timeout.sec | dfs.namenode.replication.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.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
*---+---+
|hadoop.configured.node.mapping | net.topology.configured.node.mapping
*---+---+
|hadoop.job.history.location | mapreduce.jobtracker.jobhistory.location
*---+---+
|hadoop.native.lib | io.native.lib.available
*---+---+
|hadoop.net.static.resolutions | mapreduce.tasktracker.net.static.resolutions
*---+---+
|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
*---+---+
|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
*---+---+
|local.cache.size | mapreduce.tasktracker.cache.local.size
*---+---+
|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.average.blacklist.threshold | mapreduce.jobtracker.blacklist.average.threshold
*---+---+
|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.healthChecker.interval | mapreduce.tasktracker.healthchecker.interval
*---+---+
|mapred.healthChecker.script.args | mapreduce.tasktracker.healthchecker.script.args
*---+---+
|mapred.healthChecker.script.path | mapreduce.tasktracker.healthchecker.script.path
*---+---+
|mapred.healthChecker.script.timeout | mapreduce.tasktracker.healthchecker.script.timeout
*---+---+
|mapred.heartbeats.in.second | mapreduce.jobtracker.heartbeats.in.second
*---+---+
|mapred.hosts.exclude | mapreduce.jobtracker.hosts.exclude.filename
*---+---+
|mapred.hosts | mapreduce.jobtracker.hosts.filename
*---+---+
|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.jobinit.threads | mapreduce.jobtracker.jobinit.threads
*---+---+
|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.handler.count | mapreduce.jobtracker.handler.count
*---+---+
|mapred.job.tracker.history.completed.location | mapreduce.jobtracker.jobhistory.completed.location
*---+---+
|mapred.job.tracker.http.address | mapreduce.jobtracker.http.address
*---+---+
|mapred.jobtracker.instrumentation | mapreduce.jobtracker.instrumentation
*---+---+
|mapred.jobtracker.job.history.block.size | mapreduce.jobtracker.jobhistory.block.size
*---+---+
|mapred.job.tracker.jobhistory.lru.cache.size | mapreduce.jobtracker.jobhistory.lru.cache.size
*---+---+
|mapred.job.tracker | mapreduce.jobtracker.address
*---+---+
|mapred.jobtracker.maxtasks.per.job | mapreduce.jobtracker.maxtasks.perjob
*---+---+
|mapred.job.tracker.persist.jobstatus.active | mapreduce.jobtracker.persist.jobstatus.active
*---+---+
|mapred.job.tracker.persist.jobstatus.dir | mapreduce.jobtracker.persist.jobstatus.dir
*---+---+
|mapred.job.tracker.persist.jobstatus.hours | mapreduce.jobtracker.persist.jobstatus.hours
*---+---+
|mapred.jobtracker.restart.recover | mapreduce.jobtracker.restart.recover
*---+---+
|mapred.job.tracker.retiredjobs.cache.size | mapreduce.jobtracker.retiredjobs.cache.size
*---+---+
|mapred.job.tracker.retire.jobs | mapreduce.jobtracker.retirejobs
*---+---+
|mapred.jobtracker.taskalloc.capacitypad | mapreduce.jobtracker.taskscheduler.taskalloc.capacitypad
*---+---+
|mapred.jobtracker.taskScheduler | mapreduce.jobtracker.taskscheduler
*---+---+
|mapred.jobtracker.taskScheduler.maxRunningTasksPerJob | mapreduce.jobtracker.taskscheduler.maxrunningtasks.perjob
*---+---+
|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.local.dir.minspacekill | mapreduce.tasktracker.local.dir.minspacekill
*---+---+
|mapred.local.dir.minspacestart | mapreduce.tasktracker.local.dir.minspacestart
*---+---+
|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.blacklists | mapreduce.jobtracker.tasktracker.maxblacklists
*---+---+
|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.dns.interface | mapreduce.tasktracker.dns.interface
*---+---+
|mapred.tasktracker.dns.nameserver | mapreduce.tasktracker.dns.nameserver
*---+---+
|mapred.tasktracker.events.batchsize | mapreduce.tasktracker.events.batchsize
*---+---+
|mapred.tasktracker.expiry.interval | mapreduce.jobtracker.expire.trackers.interval
*---+---+
|mapred.task.tracker.http.address | mapreduce.tasktracker.http.address
*---+---+
|mapred.tasktracker.indexcache.mb | mapreduce.tasktracker.indexcache.mb
*---+---+
|mapred.tasktracker.instrumentation | mapreduce.tasktracker.instrumentation
*---+---+
|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.tasktracker.reduce.tasks.maximum | mapreduce.tasktracker.reduce.tasks.maximum
*---+---+
|mapred.task.tracker.report.address | mapreduce.tasktracker.report.address
*---+---+
|mapred.task.tracker.task-controller | mapreduce.tasktracker.taskcontroller
*---+---+
|mapred.tasktracker.taskmemorymanager.monitoring-interval | mapreduce.tasktracker.taskmemorymanager.monitoringinterval
*---+---+
|mapred.tasktracker.tasks.sleeptime-before-sigkill | mapreduce.tasktracker.tasks.sleeptimebeforesigkill
*---+---+
|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.jobtracker.permissions.supergroup | mapreduce.cluster.permissions.supergroup
*---+---+
|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.userlog.retain.hours | mapreduce.job.userlog.retain.hours
*---+---+
|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
*---+---+
|slave.host.name | mapreduce.tasktracker.host.name
*---+---+
|tasktracker.contention.tracking | mapreduce.tasktracker.contention.tracking
*---+---+
|tasktracker.http.threads | mapreduce.tasktracker.http.threads
*---+---+
|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
*---+---+
|webinterface.private.actions | mapreduce.jobtracker.webinterface.trusted
*---+---+

  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
*---+---+