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hadoop-0.20.0.tar
- Hadoop 是一个实现了 MapReduce 计算模型的开源分布式并行编程框架,借助于 Hadoop, 程序员可以轻松地编写分布式并行程序,将其运行于计算机集群上,完成海量数据的计算。-Hadoop is an implementation of the MapReduce computation model of the open-source framework for distributed parallel programming, through the use of Hadoop,
hbase-0.20.6.tar
- Hbase是Hadoop一个正式一个子项目,是面向列的分布式数据库,它的分布不是关系型数据库 而是疏松的持久并按多维索引的map型 -Hbase is a formal a Hadoop subproject, is column-oriented distributed database, its distribution is not a relational database, but the persistent loose the map according to type of mu
hadoopP0.20.203.0Papi
- hadoop 0.20.203.0的API,是chm格式的。hadoop编程入门的最佳API参考。-hadoop 0.20.203.0 API
help
- 把mount写到/etc/fstab文件里面去 192.168.1.206:/u01/data/hadoop/hdfs/name /name_bak/ nfs defaults 0 0 开机后cat /proc/mounts 查看nfs目录有没有挂载上去,没有则手动挂载 修改master的hdfs-site.xml文件,把name_bak/hdfs/name加到配置文件里面去 -Please carefully write the upload information, includ
zookeeper
- Hadoop-0.20.2中的SecondaryNameNode只是用来周期性从NameNode下载镜像(fsimage)和日志(edits),将其合并形成新的镜像后上传给NameNode,这个过程被称为CheckPoint。运行SecondaryNameNode节点的内存中没有命名空间和数据块Block与DataNode的映射信息,所以当NameNode宕机时,无法完全恢复元数据,只能恢复上一次做CheckPoint时的元数据。 因此,Hadoop-0.21.0中引入了一个BackupNo
Hadoop-0.20.2-cluster-configuration
- vmware虚拟机环境下Hadoop-0.20.2集群详细配置与相关注意事项,。-vmware virtual machine environment Hadoop-0.20.2 cluster configuration details with the relevant precautions.
hbase-0.98.20-hadoop1-bin.tar
- hbase-0.98-20压缩包,对hadoop感兴趣的人,并且需要它的可以下载(Hbase-0.98-20 compression package, interested in Hadoop, and it needs to be downloaded.)