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Hadoop 2.x属性修改

Hadoop自升级到2.x版本之后，有很多属性的名称已经被遗弃了，虽然这些被遗弃的属性名称目前还可以用，但是这里还是建议用新的属性名，主要遗弃的属性名称主要见下面表格： 已经被遗弃属性的名称 新的属性名称 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. mapreduce.jobtracker.taskscheduler.maxrunningtasks.perjob taskScheduler.maxRunningTasksPerJob 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 下面表格列出一些配置属性的相关改变： Deprecated property name New property name mapred.create.symlink NONE - symlinking一直都是开的状态 mapreduce.job.cache.symlink.create NONE - symlinking一直都是开的状态 本文转自 yntmdr 51CTO博客，原文链接：http://blog.51cto.com/yntmdr/1722989，如需转载请自行联系原作者
2017-11-29
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simpleui 3.0 发布，以修改 bug 为主

国内知名的django admin主题，simpleui在国庆前发布3.0版本 此次版本主要更新内容： 修复 fix#149无法关闭最后一个标签 fix#158外键时间问题 fix#159修复页面刷新后打开tab异常问题 增加 增加默认主题配置 为simplepro提供基础支持 默认主题配置文档： https://gitee.com/tompeppa/simpleui/blob/master/QUICK.md#%E9%BB%98%E8%AE%A4%E4%B8%BB%E9%A2%98 此次3.0版本更新幅度并不大，但是为simpleui的pro版做了很多基础工作。 据了解simpleui的作者将在国庆后发布simple pro，我们也第一时间联系了simpleui的作者，拿到了一张pro版的预览图 Simpleui开源地址： Gitee：https://gitee.com/tompeppa/simpleui Github：https://github.com/newpanjing/simpleui
2019-09-30
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andorid 修改字体一文搞定

本文首发于公众号“AntDream”，欢迎微信搜索“AntDream”或扫描文章底部二维码关注，和我一起每天进步一点点 替换字体也是一个比较常见的需求，一般分几种情况。实现起来也不麻烦，这里简单记录下 全局替换字体 步骤1 assets目录下拷贝字体文件 步骤2 application中替换默认字体 在Application的onCreate方法中增加替换方法 /** * 设置自定义字体 * * @param context * @param staticTypefaceFieldName 需要替换的系统字体样式 * @param fontAssetName 替换后的字体样式 */ public static void setDefaultFont(Context context, String staticTypefaceFieldName, String fontAssetName) { // 根据路径得到Typeface Typeface regular = Typeface.createFromAsset(context.getAssets(), fontAssetName); // 设置全局字体样式 replaceFont(staticTypefaceFieldName, regular); } private static void replaceFont(String staticTypefaceFieldName, final Typeface newTypeface) { try { final Field staticField = Typeface.class.getDeclaredField(staticTypefaceFieldName); staticField.setAccessible(true); //替换系统字体样式 staticField.set(null, newTypeface); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } 步骤3：新增主题Theme，并在AndroidManifest文件中注册 新增主题 <style name="YourTheme" parent="AppTheme.Base"> <item name="android:typeface" >serif</item> </style> 在AndroidManifest.xml文件中设置主题 <application xmlns:tools="http://schemas.android.com/tools" ... android:theme="@style/YourTheme" tools:replace="android:theme"> ... </application> 替换某些布局中的字体，也就是局部替换 步骤1：在res目录下新建font目录，拷贝字体文件 步骤2: 代码中替换 TextView textView = (TextView) findViewById(R.id.textView_font); Typeface typeface = ResourcesCompat.getFont(this, R.font.myfont); textView.setTypeface(typeface); 欢迎关注我的微信公众号，和我一起每天进步一点点！
2019-06-24

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