For years, people have been using jemalloc with ruby. There were various benchmarks and discussions. Legend had it that Jemalloc 5 didn't work as well as Jemalloc 3.
Then, one day, hope appeared on the horizon. @wjordan offered a config for Jemalloc 5.
FROM ruby:3.1.2-bullseye
RUN apt-get update ; \
AWS SAM local commands check for the existance of DOCKER_HOST. If the variable is not present, it will fail with the following error message
Error: Running AWS SAM projects locally requires Docker. Have you got it installed and running?
Point DOCKER_HOST to unix socket of the Docker Daemon.
| version: '3' | |
| services: | |
| app: | |
| build: | |
| context: .. | |
| dockerfile: .devcontainer/Dockerfile | |
| args: | |
| VARIANT: 2.6 | |
| NODE_VERSION: "lts/*" | |
| volumes: |
| package main | |
| import ( | |
| "encoding/json" | |
| "fmt" | |
| "net/http" | |
| "os" | |
| "time" | |
| "github.com/aws/aws-lambda-go/events" |
| # An example of calculating least-squares linear regression fit in Ruby | |
| # | |
| # This is free and unencumbered software released into the public domain. | |
| # | |
| # Anyone is free to copy, modify, publish, use, compile, sell, or | |
| # distribute this software, either in source code form or as a compiled | |
| # binary, for any purpose, commercial or non-commercial, and by any | |
| # means. | |
| # | |
| # In jurisdictions that recognize copyright laws, the author or authors |
| AWSTemplateFormatVersion: '2010-09-09' | |
| Description: | | |
| AWS CloudFormation template for Mock WebSocket API Gateway. When deploying this stack please remember to check the option: | |
| - I acknowledge that AWS CloudFormation might create IAM resources. | |
| This template can help you to solve issues like: | |
| - CloudWatch Logs role ARN must be set in account settings to enable logging | |
| - Execution failed due to configuration error: statusCode should be an integer which defined in request template | |
| - This custom domain name cannot map to WEBSOCKET protocol APIs | |
| - Error during WebSocket handshake: Unexpected response code: 500 |
| CustomMetric: | |
| Type: AWS::Logs::MetricFilter | |
| Properties: | |
| LogGroupName: !Sub /aws/lambda/${AWS::StackName} | |
| FilterPattern: '[str="REPORT", ..., str="Max", str="Memory", str="Used:", MaxMemoryUsed, str="MB"]' | |
| MetricTransformations: | |
| - MetricNamespace: Organization/Project/Service | |
| MetricName: MaxMemoryUsed | |
| MetricValue: $MaxMemoryUsed |
| --- | |
| Description: AWSAppSync DynamoDB Example | |
| Resources: | |
| GraphQLApi: | |
| Type: "AWS::AppSync::GraphQLApi" | |
| Properties: | |
| Name: AWSAppSync DynamoDB Example | |
| AuthenticationType: AWS_IAM | |
| PostDynamoDBTableDataSource: |
| func buildEmailInput(source, destination, subject, message string, | |
| csvFile []byte) (*ses.SendRawEmailInput, error) { | |
| buf := new(bytes.Buffer) | |
| writer := multipart.NewWriter(buf) | |
| // email main header: | |
| h := make(textproto.MIMEHeader) | |
| h.Set("From", source) |
| #!/bin/sh | |
| aws cloudformation deploy \ | |
| --template-file stack.yaml \ | |
| --stack-name edge-lambda-test \ | |
| --capabilities CAPABILITY_IAM \ | |
| --parameter-overrides Nonce=$RANDOM |
