I'm uploading larger files (up to 9.3 GiB) in 4 MiB chunks via the dropbox python library in an Azure function. In the last few months they started failing very frequently because on some chunks the files_upload_session_append_v2 times out.
I increased the timeout to 4.5 minutes, but it still times out.
Since I'm uploading from an Azure data center I doubt this is an ISP issue.
Sometimes the chunk gets accepted by dropbox despite the timeout and sometimes not. I'm trying to adapt my code for this, but at the same time would like to know if there is any throttling going on or any known issues on the dropbox side.
Thanks for replying. Python version: 3.6.4 (v3.6.4:d48eceb, Dec 19 2017, 06:54:40) [MSC v.1900 64 bit (AMD64)] Dropbox SDK version: 8.8.1
On the last 2330 calls I got 15 timeouts, so based on this limited data about 0.7% failure rate
I'm calling DBX.files_upload_session_append_v2(chunk, cursor) and I'll get a requests Timeout exception on a random chunk during that call.
Appaerently Azure web app service intances block ICMP. So I can't use Ping and Tracert, but here is a tcpping result:
PS D:\home> tcpping content.dropboxapi.com
Connected to content.dropboxapi.com:80, time taken: 78ms
Connected to content.dropboxapi.com:80, time taken: 49ms
Connected to content.dropboxapi.com:80, time taken: <1ms
Connected to content.dropboxapi.com:80, time taken: 10ms
Complete: 4/4 successful attempts (100% ). Average success time: 34.25ms
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