Definition of Row key

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Row key is the HBase primary key. Tables in HBase are lexicographically sorted in ascending order based on row key.

Other related questions:
Whether the USG2000&5000 series supports ciphertext import
The USG2000&5000 series supports ciphertext import.

How do I configure the pound key (#) as the dial key
On the home screen, choose Apps > Buttons. Select # as Dial and press Enable or Disable. After that, you can use the pound key (#) as the dial key

Definition of Kafka
Kafka is a distributed, partitioned, and replicated message publishing and subscription system that provides features similar to the Java Message Service (JMS). Kafka features message persistence, high throughput, distribution, multi-client support, and real-time processing, and applies to online and offline message consumption. It is ideal for Internet service data collection scenarios, such as conventional data collection, active website tracing, aggregation of operation data in statistics systems (monitoring data), and log collection.

Definition of Tomcat
Tomcat is a free-of-charge, lightweight, open source web application server developed by Apache Software Foundation, Sun and other companies, and individuals. Gaining support from Sun, Tomcat complies with the latest Servlet and JavaServer Page (JSP) specifications. It features advanced technology, stable performance, and good scalability, and occupies a small number of system resources during running. As a result, Tomcat applies to small- and medium-sized systems and scenarios with a few concurrent users. An HTTP server embedded in Tomcat enables Tomcat to work as a web server. It provides a configuration management tool and supports XML configuration files. Tomcat is different from the Apache web server, which is an HTTP server using C language.

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