/aws-lambda-runtime-coldstart

A comparison between AWS Lambda runtime coldstarts

Primary LanguageJavaMIT LicenseMIT

AWS Lambda - Coldstart comparison

MINIMAL = No external integrations
FULL = Integration w/ DynamoDB

MINIMAL:

  • Java8 - Dagger+Gson: 828 ms
  • Java8 - Quarkus - GraalVM: 379 ms

FULL:

  • nodejs - Middy: 540 ms
  • Java8 - Dagger+Gson: 3.9 sec
  • Java8 - Micronaut: 5.3 sec

Below you can see the X-Ray for each example.
Initialization (light blue): This is code initialization (Static blocks + Constructor)
After initialization (dark blue): This is the function handler code

MINIMAL

Java 8 - minimal - 1024 MB

Java 8 - minimal

CloudWatch

REPORT Duration: 155.22 ms  Billed Duration: 200 ms  Memory Size: 1024 MB  Max Memory Used: 88 MB

Java 8 - Quarkus - GraalVM - 1024 MB

  • Quarkus 0.15.0

Java 8 - minimal

CloudWatch

REPORT RequestId: 1d453c66-7719-4ac2-bfe8-f17fc029a581	Init Duration: 167.87 ms	Duration: 35.08 ms	Billed Duration: 300 ms Memory Size: 1024 MB	Max Memory Used: 62 MB

NOTE: No DynamoDB support yet: quarkusio/quarkus#2193

FULL

Java 8 - full - 1024 MB

Java 8 - minimal

  • Dagger
  • Gson
  • AWS SDK 2: DynamoDB
  • AWS SDK 2: url-connection-client (faster starting HTTP client)

CloudWatch

REPORT Duration: 2170.02 ms  Billed Duration: 2200 ms  Memory Size: 1024 MB  Max Memory Used: 158 MB

Java 8 - Micronaut - 1024 MB

  • Micronaut 1.1.0 (RC2)
  • AWS SDK 2: DynamoDB
  • AWS SDK 2: url-connection-client (faster starting HTTP client)

Java 8 - minimal

CloudWatch

REPORT Duration: 3210.99 ms  Billed Duration: 3300 ms  Memory Size: 1024 MB  Max Memory Used: 172 MB

nodejs 8 - full - 1024 MB

  • TypeScript
  • Webpack
  • DynamoDB

nodejs 8 - full

CloudWatch

REPORT Duration: 69.36 ms  Billed Duration: 100 ms  Memory Size: 1024 MB  Max Memory Used: 106 MB