2016年1月11日
Hadoop接口分类
摘要： Interface ClassificationAudienceHadoop uses the following kinds of audience in order of increasing/wider visibility:Private:The interface is for inter... 阅读全文
posted @ 2016-01-11 15:41 关鑫 阅读(674) 评论(0) 推荐(0)
hadoop兼容性
摘要： Compatibility typesJava APISemantic compatibilityWire compatibilityJava Binary compatibility for end-user applications i.e. Apache Hadoop ABIREST APIs... 阅读全文
posted @ 2016-01-11 13:31 关鑫 阅读(280) 评论(0) 推荐(0)
HDFS快照
摘要： createSnapshothttp://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HdfsSnapshots.html#Create_SnapshotsdeleteSnapshothttp://hadoop.apa... 阅读全文
posted @ 2016-01-11 12:26 关鑫 阅读(187) 评论(0) 推荐(0)
hadoop文件命令
摘要： The File System (FS) shell includes various shell-like commands that directly interact with the Hadoop Distributed File System (HDFS) as well as other... 阅读全文
posted @ 2016-01-11 12:20 关鑫 阅读(189) 评论(0) 推荐(0)
hadoop命令
摘要： Usage:hadoop [--config confdir] [--loglevel loglevel] [COMMAND] [GENERIC_OPTIONS] [COMMAND_OPTIONS]Hadoop Common Commandsarchivechecknativeclasspathdi... 阅读全文
posted @ 2016-01-11 11:19 关鑫 阅读(155) 评论(0) 推荐(0)
hadoop安装
摘要： Required SoftwareJava™ must be installed. Recommended Java versions are described atHadoopJavaVersions.ssh must be installed and sshd must be running ... 阅读全文
posted @ 2016-01-11 11:11 关鑫 阅读(103) 评论(0) 推荐(0)
hadoop集群配置
摘要： Hadoop’s Java configuration is driven by two types of important configuration files:Read-only default configuration -core-default.xml,hdfs-default.xml... 阅读全文
posted @ 2016-01-11 11:06 关鑫 阅读(144) 评论(0) 推荐(0)