what is node in selenium grid

Selenium Grid can be used to execute 
same or different test scripts on
multiple platforms and browsers
concurrently so as to achieve distributed test execution.

It allows running test cases in parallel
thereby saving test execution time.
It allows multi-browser testing.
It allows multi-OS testing.
It allows multi-platform testing (desktop, mobile).

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3.83

Phoenix Logan 186120 points

                                    -it's a java program looks like jar file
-we run this jar from 2 roles: hub and node
-hub receives commands Webdriver object of the client
-then hub is looking for available nodes 
 for execution.
-nodes are executing tests

Thank you! 6

3.83 (6 Votes)

Lionel Aguero 33605 points

                                    java -jar selenium-server-standalone-2.53.1.jar -role hub -hubConfig hubconfig.json

Thank you! 6

4.67

Awgiedawgie 440220 points

                                    What is a node in Selenium Grid?
Node is the machine which is attached to the hub.
There can be multiple (preferably) nodes in Selenium Grid.
Selenium Grid uses a hub-node concept where 
you only run the test on a single machine
called a hub, but the execution will be done
by different machines called nodes. 

RemoteWebDriver driver=new RemoteWebDriver (new URL(hubIP), capability);

Thank you! 3

4.67 (3 Votes)

Phoenix Logan 186120 points

                                    {
	  &quot;port&quot;: 4444,
	  &quot;newSessionWaitTimeout&quot;: -1,
	  &quot;servlets&quot; : [],
	  &quot;withoutServlets&quot;: [],
	  &quot;custom&quot;: {},
	  &quot;capabilityMatcher&quot;: &quot;org.openqa.grid.internal.utils.DefaultCapabilityMatcher&quot;,
	  &quot;registryClass&quot;: &quot;org.openqa.grid.internal.DefaultGridRegistry&quot;,
	  &quot;throwOnCapabilityNotPresent&quot;: true,
	  &quot;cleanUpCycle&quot;: 5000,
	  &quot;role&quot;: &quot;hub&quot;,
	  &quot;debug&quot;: false,
	  &quot;browserTimeout&quot;: 0,
	  &quot;timeout&quot;: 1800
}

Thank you! 7

4 (7 Votes)

4.1

Krish 100200 points

                                    -we run this jar from 2 roles: hub and node
-hub receives commands Webdriver object of the client
-then hub is looking for available nodes 
 for execution.
-nodes are executing tests

Thank you! 10

4.1 (10 Votes)

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