Having recently migrated all of my blog/site content to Google AppEngine away from my prior $10/month hosting I was curious about what the monthly cost of running the site would be. My blog went live on AppEngine on Nov 13th and with the default instance settings was running ~$2.00/day at roughly 50-55 instance hours the vast majority of which is servicing requests from crawlers.
Tuning Google AppEngine, For Cost
As mentioned above I started with the default settings and the first significant change was to set Idle Instance Max to 1 as running multiple instances chews through the free 28 hours at an xN multiplier rate. This change alone had a significant impact on reducing overall instance hours though clearly impacts the performance of my blog. I’ve tested the performance and for a blog I feel it’s suitable so I’m comfortable leaving things at this level for awhile.
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