aws-lambda-extensions | sample extensions to help you get | Cloud Functions library
kandi X-RAY | aws-lambda-extensions Summary
kandi X-RAY | aws-lambda-extensions Summary
AWS Lambda Extensions are a new way for tools to more easily integrate deeply into the Lambda execution environment to control and participate in Lambda’s lifecycle. You can use extensions to integrate your Lambda functions with your preferred monitoring, observability, security, and governance tools. You can choose from a broad set of tools provided by AWS Lambda partners or you can create your own Lambda extensions. Extensions use the Extensions API, a new HTTP interface, to register for lifecycle events and get greater control during function initialization, invocation, and shutdown. They can also use environment variables to add options and tools to the runtime, or use wrapper scripts to customize the runtime startup behavior. For more information on using the features of Lambda extensions, see Using AWS Lambda extensions. For more information on building Lambda extensions, see Building Extensions for AWS Lambda.
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Trending Discussions on aws-lambda-extensions
QUESTION
I'm trying to improve the cold start performance of a lambda. One of the things that takes time at startup is fetching information from the secrets manager.
I've found a few solutions that talk about caching information from secrets manager using lambda extensions.
- https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/cache-secrets-using-aws-lambda-extensions.html
- https://github.com/square/lambda-secrets-prefetch
- https://github.com/hariohmprasath/aws-lambda-extensions
If you cached a request from secrets manager, using the lambda extension approach, is it cached only for that instance of the lambda or is it cached for all instances of the lambda?
If it's cached for all instances then in theory it would help me reduce cold start times.
...ANSWER
Answered 2022-Jan-19 at 08:29Unfortunately, it is cached only for that instance of the lambda.
Extensions are running inside the same container with the lambda. Therefore, they will not share memory between different instances of the lambda. More specifically, every time that a lambda has a cold start - a fresh process of the extensions is being executed.
Disclaimer: I just published a post explaining more about extensions: https://aws.amazon.com/blogs/apn/zero-friction-aws-lambda-instrumentation-a-practical-guide-to-extensions/ I believe that it will help you understand more about that power of extensions, and how it can help you in other ways.
QUESTION
I came across this python(.py) file but it has SHELL interpreter in the first line but subsequent lines are python code in it.
It's clear that it is python file, but why is the first line has SHELL shebang in it.
If this is a SHELL script, why is the file has the extentsion .py
If this is SHELL script, how does the below code interpreted by SHELL.
...ANSWER
Answered 2021-Feb-01 at 08:17it's just for developers to note it has combination of shell and python, they are running it as a python file
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