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Custom Authentication Security Plug-in in Ignite

After Ignite cluster is built, the application can access the cluster for various operations. But the default cluster has no security protection mechanism. Any application and client supporting JDBC can access the cluster as long as they know the IP address of the cluster node, which creates a certain security risk, which is sensitive to holding number. According to users, it is obviously unacceptable. Ignite itself has a simple security module, which provides an authentication mechanism based on username/password. However, in actual business...

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Hadoop Series - HDFS Java API

I. Brief Introduction To use the HDFS API, you need to import dependencies on hadoop-client. If it's a CDH version of Hadoop, you need to specify its warehouse address as well: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> ...