.only-code-memory-job-base:
  extends:
    - .default-tags
    - .default-retry
    - .default-cache
    - .default-only
    - .default-before_script
    - .only-code-changes

memory-static:
  extends: .only-code-memory-job-base
  variables:
    SETUP_DB: "false"
  script:
    # Uses two different reports from the 'derailed_benchmars' gem.

    # Loads each of gems in the Gemfile and checks how much memory they consume when they are required.
    # 'derailed_benchmarks' internally uses 'get_process_mem'
    - bundle exec derailed bundle:mem > tmp/memory_bundle_mem.txt
    - scripts/generate-gems-size-metrics-static tmp/memory_bundle_mem.txt >> 'tmp/memory_metrics.txt'

    # Outputs detailed information about objects created while gems are loaded.
    # 'derailed_benchmarks' internally uses 'memory_profiler'
    - bundle exec derailed bundle:objects > tmp/memory_bundle_objects.txt
    - scripts/generate-gems-memory-metrics-static tmp/memory_bundle_objects.txt >> 'tmp/memory_metrics.txt'
  artifacts:
    paths:
      - tmp/memory_*.txt
    reports:
      metrics: tmp/memory_metrics.txt

# Show memory usage caused by invoking require per gem.
# Unlike `memory-static`, it hits the app with one request to ensure that any last minute require-s have been called.
# The application is booted in `production` environment.
# All tests are run without a webserver (directly using Rack::Mock by default).
memory-on-boot:
  extends:
    - .only-code-memory-job-base
    - .use-pg10
  variables:
    NODE_ENV: "production"
    RAILS_ENV: "production"
    SETUP_DB: "true"
    SKIP_STORAGE_VALIDATION: "true"
    # we override the max_old_space_size to prevent OOM errors
    NODE_OPTIONS: --max_old_space_size=3584
  script:
    # Both bootsnap and derailed monkey-patch Kernel#require, which leads to circular dependency
    - ENABLE_BOOTSNAP=false PATH_TO_HIT="/users/sign_in" CUT_OFF=0.3 bundle exec derailed exec perf:mem >> 'tmp/memory_on_boot.txt'
    - scripts/generate-memory-metrics-on-boot tmp/memory_on_boot.txt >> 'tmp/memory_on_boot_metrics.txt'
  artifacts:
    paths:
      - tmp/memory_*.txt
    reports:
      metrics: tmp/memory_on_boot_metrics.txt