The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS...
RHEL/CentOS/Oracle/Amazon Linux SLES Ubuntu Debian For Ambari to communicate during setup with the hosts it deploys to and manages, certain ports must be open and available. T...
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t...
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On each of your hosts: yum and rpm (RHEL/CentOS/Oracle/Amazon Linux) zypper and php_curl (SLES) apt (Debian/Ubuntu) scp , curl , unzip , tar , wget , and gcc* OpenSSL (v1....
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against...
📈 今日整体趋势 Top 10 📊 分语言趋势 Top 5 Swift Java C++ PHP C Kotlin Dart Python Rust Go MDX Ruby C JavaScript Jupyter Notebook Lua Markdown Vim Script TypeScript PowerShe...
If you are not familiar with Markdown yet, or do not prefer writing Markdown code, RStudio v1.4 has included an experimental visual editor for Markdown documents, which feels simi...