Google Calendar API: Calendar usage limits exceeded -


we have application migrations between google apps domains. calendar migrations using import api(https://developers.google.com/google-apps/calendar/v3/reference/events/import). last 6 months did lot of calendar migrations. week ago faced new api error import:

    "error"=>   {"errors"=>[     {"domain"=>"usagelimits",     "reason"=>"quotaexceeded",     "message"=>"calendar usage limits exceeded."}],    "code"=>403,    "message"=>"calendar usage limits exceeded." 

last week got lot of "calendar usage limits exceeded." errors users different domains. accordingly google api console didn't reach daily quota limit. our app using 2legged authorization.

please understand "calendar usage limits exceeded." mean? how can prevent error? can find information calendar usage limits?

having same issue.

i using version 3 code, twoleggedoauthcredentials , program authorized registered client (iow: calendars created on behalf of multiple accounts.)

last successful large imports: 2013-01-21, 4929 google requests & 2013-01-22, 1103 google requests (spread across multiple users)

at 4% of our quota (https://code.google.com/apis/console/b/0/#project:1077083635926:quotas) program starts getting following error: https://www.googleapis.com/calendar/v3/calendars?alt=json returned "calendar usage limits exceeded.">

if program re-run after time (15 minutes +) run couple more requests before receiving same error. calendar information errored on succeed if re-run after "cool-off" period. code sleeps number of times receives error multiplied 20 seconds , tries ten times (waits 20 seconds after first error, forty seconds after second error) has increased time run program greatly.

i increased per user limit 5 requests/second/user 10.0 requests/second/user yesterday. far has had no noticeable change in behavior. stepping through code doesn't seem have impact, leading me believe unrelated requests per second.

if undocumented per-user quota (and not documented request/second/user quota) new.


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