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UDF 管理
UDF 管理 函数管理 任务样例 编写 UDF 函数 配置 UDF 函数 使用 UDF 函数 UDF 管理 资源管理和文件管理功能类似，不同之处是资源管理是上传的 UDF 函数，文件管理上传的是用户程序，脚本及配置文件。 主要包括以下操作：重命名、下载、删除等。 上传 UDF 资源 和上传文件相同。 函数管理 创建 UDF... -
AWS Glue Data Catalog
Configurations Avoid creating excessive versions Glue Data Catalog specific configs Other references Running AWS Glue Catalog Sync for Spark DataSource Running AWS Glue Catalog... -
Configuring Ambari to use RedHat Satellite or Spacewalk
Table 6.1. Example Channel Names for Hortonworks Repositories Next Step The Ambari Server uses Version Definition Files (VDF) to understand which product and component versions ... -
6.4 Include additional LaTeX packages
6.4.1 Loading LaTeX packages 6.4.2 Example packages References The use of additional LaTeX packages can allow for extensive customization of document styling. In addition, seve... -
Relabel
监控数据通过推模式，发给夜莺，夜莺会转发给后端时序库，有时候可能想对数据做一些二次处理，比如 Drop 掉一些数据或者改改内容之类的，此时就需要 relabel 能力了，这个功能是社区小伙伴贡献的，和 Prometheus 的 relabel 类似，只是配置的时候注意配置项的大小写。在夜莺 5.x 版本中，数据是通过 n9e-server 转发的，所以，r... -
4.12 Preserve a large number of line breaks
References Markdown users may be surprised to realize that whitespaces (including line breaks) are usually meaningless unless they are used in a verbatim environment (code blocks... -
Rollback Mechanism
Handling partially failed commits Rolling back partially failed commits for a single writer Rolling back of partially failed commits w/ multi-writers Heartbeats Related Resourc... -
Configuring Oracle for Ranger
If you are using Amazon RDS, see the Amazon RDS Requirements . On the Oracle host, install the appropriate JDBC .jar file. Download the Oracle JDBC (OJDBC) driver from http://... -
Arrays
_.compact(array) Arguments Returns Example _.difference(array, [values]) Arguments Returns Example _.findIndex(array, [callback=identity], [thisArg]) Arguments Returns Ex... -
Caching
Configuration Accumulo tablet servers have block caches that buffer data in memory to limit reads from disk. This caching has the following benefits: reduces latency when rea...
