There was a similar question just a few hours ago on this forum: Re:
Datastore Reads and Writes Crazy High
Here's my answer:
I used the appstats tool to figure out where all my datastore writes were
coming from. Super easy to configure, and barely any processing overhead.
http://code.google.com/appengine/docs/python/tools/appstats.html
http://googleappengine.blogspot.com/2010/03/easy-performance-profiling-with.html
The only problem I had with this tool was it made my memory usage grow
exponentially for a cron job that my backend was executing. The backend
does a lot of work, and this job usually lasts 3 minutes, even though it
happens only once every hour. But since this memory explosion was limited
to a single type of request, I was able to exclude it from appstats by using
appstats_FILTER_LIST in appengine_config.py.
Hope this helps.
On Thu, Sep 22, 2011 at 7:29 AM, Vivek Puri v...@vivekpuri.com wrote:
For Estimated Charges Under New Pricing, my app is showing $40/per
day for Writes and $13/day for Reads. $40 worth of writes is 40
million write operations. Right now i have not idea which table is
being written to most and contributing to that number. Can AppEngine
team provide statistics on these write and read operations. I would
hope this is something similar to existing Datastore Statistics
tool.
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