What is the fastest way of getting an exact count of rows for a 100GB CSV file stored on Amazon S3 without using Athena nor any Fargate or EC2 VM? I can't use Athena, because the CSV file isn't clean-enough…
I am tried enabling the snapstart for my lambda function which just uses a simple java AWS SDK to connect to just a put a message to the queue. Without the snapstart the code works fine, however when its enabled,…
my lambda function module.exports.handler = async(event, context, callback) => { return { statusCode: 200, headers: { "Access-Control-Allow-Credentials" : 'true', 'Access-Control-Allow-Origin': 'mydomain_name', 'Access-Control-Allow-Methods':'DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT', 'Access-Control-Allow-Headers':'content-type,authorization', }, body: JSON.stringify({ message: `Charge processed succesfully!`, success:true, }), } } error -" The value of the…
I have a lex bot which triggers lambda where slot conditions are checked(eg:phone number should be 10 digit) and it returns a closing response of text. function closeresponse(intent_request, session_attributes, fulfillment_state, message) { return { "sessionState": { "sessionAttributes": session_attributes, "dialogAction": {…
How to convert CommaDelimitedList Parameter to String for passing it as environment variable to Lamda Function ? Below is sample CommaDelimitedList Parameter containing list of AWS regions which I need to pass it as Environment variable to AWS Lambda function…
So AWS announced Lambda Snapstart very recently, I tried to give it a go since my application has cold start time ~4s. I was able to do this by adding the following under resources: - extensions: NodeLambdaFunction: Properties: SnapStart: ApplyOn:…
I know that the Lambda service uses an internal VPC for all the Lambda functions created in default mode (Lambda functions not connected to my private VPCs). This "Lambda service VPC" has access to internet and other AWS services. So…
Update I changed the params to receive the data directly from a JSON dump to see if that fixed the JSON load issue. Received a new error: (b'{n "errorType": "ValidationMetadataException",n "errorMessage": "The a' b'rgument is null or empty. Provide an…
I have a lambda that triggers off an S3 bucket upload (it basically converts a PDF to a dataframe and writes it to a different s3 bucket). Both of these belong to AWS account A. I would like to allow…
I'm trying to upload files to S3 using API Gateway and Lambda, all the processes work fine until I arrive at the Lambda, my lambda looks like this: import base64 import boto3 import os s3_client = boto3.client('s3') bucket_name = os.environ['S3_BUCKET_NAME']…