williamhaley / firestore-emulator-slow

firestore-emulator-slow

Run

• clone this repo
• npm i
• GCLOUD_PROJECT=fake-project-id ./node_modules/.bin/firebase emulators:start --import=emulator-data --export-on-exit --debug --project fake-project-id

Basic Write (one document)

• GCLOUD_PROJECT=fake-project-id FIRESTORE_EMULATOR_HOST=localhost:8080 go run demo.go
• GCLOUD_PROJECT=fake-project-id FIRESTORE_EMULATOR_HOST=localhost:8080 node demo.js

Note: To see a failure scenariorio, mix and match the GCLOUD_PROJECT ids. With the consistent ids provided above, writes should work as expected and appear in the UI.

Batch Write (many documents)

• NUM_RECORDS=10000000 GCLOUD_PROJECT=fake-project-id FIRESTORE_EMULATOR_HOST=localhost:8080 go run demo.go

_Note: To see a failure scenario, note the write time for batches predictably decrease over time with a large NUM_RECORDS value.

Info

% firebase --version
9.12.1

How this repo was originally created

• firebase init
• Only added firestore and the emulators
• Explicitly set up the emulator

   % firebase setup:emulators:firestore
  i  firestore: downloading cloud-firestore-emulator-v1.12.0.jar...
  

GitHub Issue

firebase/firebase-tools#3475