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Questions tagged [aws-lambda]

AWS Lambda is a compute service that lets you run code without the overhead of managing servers. (Not to be confused with the [lambda] tag, which instead refers to a type of function).

AWS Lambda is a cloud offering from Amazon Web Services (AWS). AWS Lambda is a serverless compute service that runs code in response to events and automatically manages the underlying infrastructure for you.

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AWS Lambda Error: Unzipped size must be smaller than 262144000 bytes

I am developing one lambda function, which use the ResumeParser library made in the python 2.7. But when I deploy this function including the library on the AWS it's throwing me following error: Unzipped size must be smaller than 262144000 bytes
vijaya
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When Lambda is invoked by SNS, will there always be just 1 record?

When receiving events in Lambda from SNS the outer structure of the event will look somewhat like: { "Records": [...] } In all the tutorials I have seen there has only ever been 1 record in the records field. Is it safe to make the assumption that…
RckMrkr
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Invoke a AWS Lambda function by a http request

Is it possible to invoke a AWS Lambda function directly by a http request (either GET or POST)? If not, is there a workaround going through SNS or S3? Because I can't think of one... Specifically, I would like to create a small API using JSON
Moshe Shaham
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Sharp image library rotates image when resizing?

When using the sharp image resize library https://github.com/lovell/sharp for node.js, the image is being rotated. I have no code thats says .rotate(), so why is it being rotated and how can I stop it from rotating? I'm using the…
JK.
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aws-sam-local environment variables

I am following the readme here: https://github.com/awslabs/aws-sam-local I have a lambda written in python 3.6 and its similar to the helloworld example here :…
gotjava2012
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How does AWS Lambda serve multiple requests?

How does AWS Lambda serve multiple requests? I want to know is it a multi-thread kind of a model here as well? If I am calling a Lambda from an API gateway. And there are 1000 requests in 10 secs to the API. How many containers will be created and…
Sandeep Kumar Jakkaraju
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Pandas in AWS lambda gives numpy error

I've been trying to run my code in AWS Lambda which imports pandas. So here is what I've done. I have a python file which contains a simple code as follows(This file has the lambda handler) import json print('Loading function') import pandas as…
Kingz
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MongoDB connections from AWS Lambda

I'm looking to create a RESTful API using AWS Lambda/API Gateway connected to a MongoDB database. I've read that connections to MongoDB are relatively expensive so it's best practice to retain a connection for reuse once its been established rather…
Beesknees
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AWS Cognito: Best practice to handle same user (with same email address) signing in from different identity providers (Google, Facebook)

When signing in a user with the same email address through the Google and Facebook identity providers, AWS Cognito creates multiple entries in the user pool, one entry per identity provider used: I have used the example code provided in this…
AlexR
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N+1 queries in AWS AppSync

When using AWS AppSync with lambda data sources you can encounter N+1 query problem. Basically when you have individual field resolver on your type and your query returns an array of those types you field resolver lambda will be called N times. AWS…
AlpacaGoesCrazy
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AWS lambda and Java concurrency

It is known that AWS lambda may reuse early created objects of handlers, and it really does it (see FAQ): Q: Will AWS Lambda reuse function instances? To improve performance, AWS Lambda may choose to retain an instance of your function and reuse…
Andremoniy
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How to process SQS queue with lambda function (not via scheduled events)?

Here is the simplified scheme I am trying to make work: http requests --> (Gateway API + lambda A) --> SQS --> (lambda B ?????) --> DynamoDB So it should work as shown: data coming from many http requests (up to 500 per second, for example) is…
xtx
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AWS security group inbound rule. allow lambda function

I run a service on my EC2 instance and I want to setup an inbound rule that only allows my lambda function to access it. The security group allows me to restrict access by a specific IP, but I don't think that lambda functions have a specific IP…
Chris
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Call aws-cli from AWS Lambda

is there ANY way to execute aws-cli inside AWS Lambda? It doesn't seem to be pre-installed. (I've checked with "which aws" via Node.js child-process, and it didn't exist.）
Hirofumi Okino
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How to query cloudwatch logs using boto3 in python

I have a lambda function that writes metrics to Cloudwatch. While, it writes metrics, It generates some logs in a log-group. INFO:: username: simran+test@example.com ClinicID: 7667 nodename: MacBook-Pro-2.local INFO:: username:…
systemdebt
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