i use amazon's product advertising api retrieve node hierarchy using api's browsenodelookup method (rest using java). on amazon's sandbox individual requests seem work if keep sending requests various nodes end getting http 503 errors.
one of previous posts on amazon's forum indicated limit of 20 requests per second on sandbox: https://forums.aws.amazon.com/thread.jspa?messageid=152657𥑑
after put throttling in place tried limiting code send 20 requests/sec, 10 requests/sec. in both cases ended getting 503 error. had posted question on amazon's forum have not received information wondering whether knows answers following questions:
what kind of limits sandbox environment impose in case?
are or similar limits in place in production environment?
do limits apply both rest , soap calls?
maybe 10 requests/sec many?
i having same problem. found link mentions 1 request/sec.
http://www.mail-archive.com/google-appengine@googlegroups.com/msg19305.html
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