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Showing posts from May, 2024

Interview per

 1)offset api pagniation 2)find smallest number from 3 arrays and do it paralley using promise or async 3)how to do 20 min  task with lambda 4)start pattern 5)lambda service and how many lambdas' 6)In serverless deploy we deploy to s3 bucket and  7)mongodb number of employes having 5000 salary with salary query 8)Employee table having id,name,manager Id  find out manager of each having managerID link with employee id query/ 9)If lambda is taking time how will you check 10)How to read a file from html to serveer, lambda os uses internally, and if you need to read a csv file and then check if id is present and write to db then should use await for promise.then. 11)Need to read a email and check if email has approved text and process it how to do/

aws questions

 1)Types of aws sqs? ans: Amazon Simple Queue Service (SQS) offers two main types of queues: Standard Queues and FIFO (First-In-First-Out) Queues. Here's an overview of each: Standard Queues: Standard Queues offer best-effort ordering, which means that messages are generally delivered in the order they are sent, but occasionally, out-of-order delivery may occur. They provide high throughput, with the ability to process a large number of messages per second. Standard Queues offer at-least-once message delivery, which means that a message can be delivered more than once (but not skipped). They are suitable for use cases where strict message ordering is not required or where messages can be processed out of order without causing issues. FIFO (First-In-First-Out) Queues: FIFO Queues provide exactly-once message processing and ordered message delivery. Messages are delivered in the order they are sent, and each message is delivered exactly once. They are designed for applications that r...