我配置并安装了hadoop 1.2.1单节点.我将namenode和jobtracker地址的端口分别配置为" hdfs:// localhost:9000 "和" localhost:9001 ".
启动集群后(start-all.sh).我跑了netstat -nltp之后,列出了hadoop端口.
50030 - jobtracker Web UI
50060 - tasktracker Web UI
50070 - namenode Web UI
50075 - datanode Web UI
(http://localhost:50075/browseDirectory.jsp?dir=%2F)
50090 - secondary namenode Web UI
54310 - namenode (as configured in XML)
54311 - jobtracker (as configured in XML)
50010 - datanode (for data transfer)
50020 - datanode (for block metadata operations & recovery)
33447 - tasktracker ( not configured. Any unused local port is …Run Code Online (Sandbox Code Playgroud) 是否有一个的cheatsheet为OpenCV的3?OpenCV3 中需要考虑哪些附加特性和功能?
此外,最重要的是 - OpenCV 3 中不再提供哪些功能和模块?
注意:我注意到有一个 2.4 的备忘单。这对 OpenCV 3 还是有好处的吗?