Hive Setting Parameters - Specifying Engines - Queues

... Hive provides three methods for changing environment variables: (1), modifying the ${HIVE_HOME}/conf/hive-site.xml configuration file; (2), Command line parameters; (3), parameter declaration when the cli has been entered. The following describes each of these settings. method one: In...


Big Data 8-Hive Introduction and Cluster Building

... 1.Hive Features: 1.1 Scalable: Hive can freely expand the scale of the cluster. Under normal circumstances, there is no need to restart the service; 1.2 Sex: Hive supports user-defined functions. Users can implement their own functions according to their own needs; 1.3 Fault tolerance:...


Recently, I have compiled 1.7G learning materials on big data, micro-services, distributed, Java, Python, web front-end, product

... 大数据, microservices, distributed, Java, Python, web front end, product operation, interaction at the end of the article! ! ! 基础篇,Internet architecture, essential video for senior programmers, series of video for architects, video analysis for each framework, Linux system, JVM, large...


Netease Yunyi Shield and A10 Networks reached a strategic cooperation to create a solution against DDoS attacks

... 2018 In September, NetEase Cloud Yidun announced that it has formed a strategic partnership with A10 Networks, a provider of intelligent and automated network security solutions. relationship. The two parties will cooperate in the field of anti-DDoS attacks and jointly launch a deep...


Apache Pulsar - Enterprise Messaging Subscription System

... Apache Pulsar is an enterprise-level messaging subscription system similar to Kafka developed by Yahoo. It was open sourced in 2016, incubated by the Apach Foundation, and now grown into Apache. The foundation's top project. Pulsar has been running within Yahoo for three years and...


Spark local debugging and program restart checkpoint recovery encountered problems

... Spark local debugging and program restart checkpoint recovery encountered problems 1, the background of the problem Today, the self-test Spark program encountered two problems, (1), start the streaming program error (2), restart the Spark program, part of the data recovery of the same...


About Hadoop's messy (continued)

... JPS (is a jdk tool): indicates which processes are running on the current host. NameNode : indicates the primary node DataNode: indicates the data node SecondaryNameNode : indicates the secondary name node -- Node representation: one machine The process is running on the machine, a...


Inter-host Docker network intermittently inaccessible reason

... Docker network intermittently inaccessible reason As the number of visits increases, occasionally it is found that some web services deployed on docker will have intermittent cards Dead, initially thought to be the cause of the firewall, after repeated investigations did not find any...


In-depth interpretation of how to choose a regular cloud service provider!

... This is a science poster. As the Internet becomes more developed, problems such as network security, scams, and privacy protection are becoming more serious. This is also increasingly relevant to the Internet. In recent years, the state has also introduced relevant management measures...


Spark2.1.0 model design and basic architecture (below)

... Reading tips: If the reader is not very familiar with the background knowledge of Spark, it is recommended to read the article "SPARK2.1.0 Model Design and Basic Architecture (Part 1)". SparkModel Design 1. Spark Programming Model Just as Hadoop chose the word count example when...