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The faster you can synthesize your CDKTN code, the faster you can deploy it. This page focuses on how to optimize your CDK Terrain performance.

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TypeScript

In TypeScript, the main bottleneck for synthesization performance is the time it takes ts-node or tsc to compile your code. The easiest way to improve this is using explicit resource imports like import { MyResource } from '@cdktn/provider-my-provider/lib/my-resource' instead of star imports like import * as myProvider from '@cdktn/provider-my-provider'. Another option is to use a bundler without typechecking like tsx or swc to compile your code. These are typically a lot faster than tsc or ts-node, but you will get no typechecking.

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Python

Python is out of the box optimized for synthesization performance. There are no known steps to improve the synthesization performance.

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Java

To improve the synthesization performance of Java, we recommend using Gradle over Maven. In an example using the AWS provider, we observed an improvement from 3m 30s to 30s after the initial compilation. To migrate to Gradle, we recommend creating a new CDKTN project and copying the code over.

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C#

C# is out of the box optimized for synthesization performance. There are no known steps to improve the synthesization performance.

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Go

Go is out of the box optimized for synthesization performance. There are no known steps to improve the synthesization performance.