If we use one machine for jenkins then the moment we run multiple jobs it may burden the machine/vm which can lead to system crash To reduce burden on jenkins server/vm we can go with master - Slave configuration which could be used to reduce the burden on jenkins server/vm by distributing tasks/load. Jenkins Master vs Jenkins Slave The machine/server where jenkins tools is installed can be referred as master machine which is used to create jobs, schedule the jobs and mange the jobs It will also distribute jobs executions into slave machines/servers Note : We can Run/execute jobs on jenkins Master machine too however it's not recommended Jenkins Slave: It's a machine which is connected to jenkins master machine and execute the job/task assigned by master machine/server. Slave server/machine will receive tasks from master machine for the job execution.
Monolithic Architecture In our application, we will have several modules and several components are also available. Components are 1. Presentation Components These are responsible for handling Http Requests. Web applications means front end pages, Distributed applications means Rest Clients. 2. Web Components Responsible to handle user requests.(Servlets basically handles the Requests). 3. Business Components Responsible to handle the business logic as per the business deals. 4. Persistence Components DAO is responsible for performing DB operations like DML,DDL,TCL,.... 5. Integration Components(Webservices, RestFul Services) Two projects can talk to each other only when we have Integration logic(basically RestfulServices, WebServices,...). 6. Authorization Components Responsible for Authorizing the user. 7. Notification Components Responsible for sending email or mobile message notifications. If we develop all these components as a single project then it is called as " Mono...
Load Balancers When all components are in same applications, all request comes to same servers then burden will increase on the same server. More the requests to the server, then the performance at the server side will be slow so the response time is high for clients. Eg: Youtube, Myntra, Flipkart,.......(lakhs of users will send the request still the response time will be uniform for client) When burden increased on server it will process the request slowly and some times the server might crash also. To reduce the bu...
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