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Event Logging
Event Logging StatsD Logging Event Logging Superset by default logs special action events in its internal database (DBEventLogger). These logs can be accessed on the UI by navi... -
Configuring iptables
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... -
升级
我们建议在升级之前备份数据库和配置文件。通常情况下，我们保证升级不会影响现有数据。 备份数据意味着即使升级失败或者你不想使用高级版本，你也有回滚的选择。 Docker Compose 如果你使用 Docker Compose 安装 Answer，升级非常简单。 docker - compose pull docker - compose ... -
Christophe Dervieux
Christophe Dervieux is an active member of the R community, currently living in France. With a master’s degree in energy and economics, he started working with R as an analyst doi... -
任务实例
批量任务实例 实时任务实例 批量任务实例 点击项目管理->工作流->任务实例，进入任务实例页面，如下图所示，点击工作流实例名称，可跳转到工作流实例DAG图查看任务状态。 查看日志：点击操作列中的“查看日志”按钮，可以查看任务执行的日志情况。 实时任务实例 切换到实时任务实例页面，如下图所示： SavePoint：点击操作列... -
Configure Postgres to Allow Remote Connections
About This Task Steps About This Task It is critical that you configure Postgres to allow remote connections before you deploy a cluster. If you do not perform these steps in ... -
About the Authors
Yihui typed out most of the words in this book, which is the only justification for him being the “first” author. Christophe has made substantial contribution to this book by help... -
Collection
_.countBy(collection, [iteratee=_.identity]) Since Arguments Returns Example _.every(collection, [predicate=_.identity]) Since Arguments Returns Example _.filter(collec... -
Configuring iptables
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... -
Configure Postgres to Allow Remote Connections
About This Task Steps About This Task It is critical that you configure Postgres to allow remote connections before you deploy a cluster. If you do not perform these steps in a...
