[AWAITING OFFER ACCEPTANCE] [$250] Speed up Android builds

@mallenexpensify

Problem

Android builds typically take 10-30 minutes on my M2 Mac, which is a long time.

Solution

Research ways to speed them up

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aimane-chnaif | Contributor | 104865138

Issue Owner

Current Issue Owner: @mallenexpensify

There are a few things I'd like to try:

Enable gradle build cache
Enable gradle configuration cache
Enable gradle parallel task execution
Enable ccache

In order to be methodic and quantitative with these changes, I'll be using ./gradlew build --scan to generate detailed build scan reports.

Build scan for a clean ./gradlew assembleDebug (note: next time I should do active arch only, because that's what we do in dev)

https://scans.gradle.com/s/4e4x4kl55d3js

Another clean build scan, this time only one arch: https://scans.gradle.com/s/4apezfw7xtotm

Build command was: ./gradlew assembleDebug -PreactNativeArchitectures=arm64-v8a --scan

A build scan with only this diff:

diff --git a/android/gradle.properties b/android/gradle.properties
index 87333d20f74..1f60a7d335d 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -55,3 +55,6 @@ MYAPP_UPLOAD_KEY_ALIAS=ReactNativeChat-Key-Alias
 disableFrameProcessors=true
 
 android.nonTransitiveRClass=false
+
+org.gradle.parallel=true

https://scans.gradle.com/s/67qe4vuqgytyq

Adding the org.gradle.caching=true does not appear to be worth it, because:

It has no effect on the configuration phase, which consistently takes about 10 minutes while the build phase takes about 1 minute w/ parallel enabled.
Even a cached build seemed to take about a minute, but populating the cache takes longer

Going to try the configuration cache field with:

./gradlew assembleDebug --configuration-cache -PreactNativeArchitectures=arm64-v8a --scan

Edit: 2nd build w/ configuration cache enabled failed 😞

Logs

FAILURE: Build failed with an exception.

* Where:
Settings file '/Users/roryabraham/Expensidev/App/android/settings.gradle' line: 3

* What went wrong:
Configuration cache problems found in this build.

9752 problems were found storing the configuration cache, only the first 4096 were considered, 7 of which seem unique.
- Build file '../node_modules/@expensify/react-native-live-markdown/android/build.gradle': external process started 'node --print require.resolve('react-native/package.json')'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Build file 'app/build.gradle': external process started 'node --print require.resolve('@expo/cli')'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Build file 'app/build.gradle': external process started 'node -e require('expo/scripts/resolveAppEntry') /Users/roryabraham/Expensidev/App android absolute'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Build file 'build.gradle': external process started 'node --print JSON.parse(require('fs').readFileSync(require.resolve('react-native/package.json'), 'utf-8')).version'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Build file 'build.gradle': line 47: external process started 'node --print JSON.parse(require('fs').readFileSync(require.resolve('react-native/package.json'), 'utf-8')).version'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Settings file 'settings.gradle': line 26: external process started 'node --print require.resolve('expo/package.json')'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes
- Settings file 'settings.gradle': line 3: external process started 'npx @react-native-community/cli config'
  See https://docs.gradle.org/8.8/userguide/configuration_cache.html#config_cache:requirements:external_processes

Let's reopen if any further ideas are shared.

@Julesssss

@Julesssss, sorry for coming back to this so late. I just realized I never requested the payment for review on #50206. Would you mind posting a payment summary here? Thanks!

@garrettmknight

@garrettmknight, could you post a payment summary for this? Thank you!

@aimane-chnaif

Payment Summary:

Reviewer: @aimane-chnaif via Upwork
Reviewer: @eVoloshchak $250 via ND

@aimane-chnaif

@aimane-chnaif can you please accept the job below? Please reply here and tag me once you have.
https://www.upwork.com/jobs/~021988044315731516714

@aimane-chnaif

Payment Summary

Contributor+: @aimane-chnaif paid $250 via Upwork

@eVoloshchak

approved $250 for @eVoloshchak

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[AWAITING OFFER ACCEPTANCE] [$250] Speed up Android builds #49567

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[AWAITING OFFER ACCEPTANCE] [$250] Speed up Android builds #49567

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roryabraham commented on Sep 21, 2024

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