DataWorks Notebook 支持 Spark SQL 与 Spark Python 双模式 Cell，用户可灵活切换进行数据探查与复杂计算。系统内置智能代码提示（IntelliSense）与自动补全功能，降低开发门槛。同时提供实时数据可视化图表（如柱状图、折线图），助力快速洞察数据特征。
NamespaceWhat it isolatesWhat the process seesPIDProcess IDsOwn process tree, starts at PID 1MountFilesystem mount pointsOwn mount table, can have different rootNetworkNetwork interfaces, routingOwn interfaces, IP addresses, portsUserUID/GID mappingCan be root inside, nobody outsideUTSHostnameOwn hostnameIPCSysV IPC, POSIX message queuesOwn shared memory, semaphoresCgroupCgroup root directoryOwn cgroup hierarchyTimeSystem clocks (monotonic, boot)Own system uptime and clock offsetsNamespaces are what Docker containers use. When you run a container, it gets its own PID namespace (cannot see host processes), its own mount namespace (own filesystem view), its own network namespace (own interfaces), and so on.
，这一点在一键获取谷歌浏览器下载中也有详细论述
Is a Wi-Fi extender better than a mesh router?
Oct 11 15:56:05 fedora bootc[1252]: error: Upgrading: Deployment contains local rpm-ostree modifications; cannot upgrade via bootc. You can run `rpm-ostree reset` to undo the modifications.