CalvinKirs opened a new issue #5164:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/5164
Configuration coverage
At present, our parameter configuration is mainly based on configuration
files: you can refer to PropertiesUtils,
But usually important parameters will be injected through the form of Java
runtime virtual machine parameters, so we need to support this way of parameter
injection. At the same time, because different ways of parameter injection have
different priorities, we need to achieve configuration coverage. There are two
main situations at present, SystemProperties and LocalFile. The priority of
SystemProperties should be the highest, followed by LocalFile (that is, our
various configuration files, such as master.properties).
for example:
1: Configure master.max.cpuload.avg=-1 in master.prperties
2: Java runtime virtual machine parameters -Dmaster.max.cpuload.avg=1
3:PropertiesUtils.get("master.max.cpuload.avg") = 1
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