I am using 2 manually scaled B4 (python27) instances to serve static web 
assets. As this should configure memory-resident instances that are always 
on, I was surprised to find the module/service's log to be littered with 
/_ah/start (warmup) requests (virtually every few milliseconds, probably 
with every new web session). As the site's latency is not where we want it 
to be, I am growing concerned that there is something odd with our setup. 
The app.yaml for this module/service looks like that:

version: 2
runtime: python27
api_version: 1
threadsafe: true
module: site
default_expiration: "2d"
instance_class: B4
manual_scaling:
    instances: 2

handlers:
    -
        url: /proxy/vimeo
        script: site_main.app
        secure: always
    -
        url: /auth/vimeo\.html
        static_files: static/vimeo.html
        upload: static/vimeo.html
        secure: always
    -
        url: '/[^\.]*$'
        static_files: static/index.html
        upload: static/index.html
        secure: always
    -
        url: /manifest\.webapp
        static_files: static/manifest.webapp
        upload: static/manifest.webapp
        secure: always
        mime_type: application/manifest+json
    -
        url: /assets/(.*)$
        static_files: static/assets/\1
        upload: static/.*
        secure: always
        expiration: "31d"
    -
        url: '/*'
        static_dir: static/
        secure: always


skip_files:
    - '^(.*/)?#.*#$'
    - '^(.*/)?.*~$'
    - '^(.*/)?.*\.py[co]$'
    - '^(.*/)?\..*$'
    - '^(.*/)?.*\.gz'


Any ideas would be much appreciated.


Soeren

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