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Rate limiting when uploading files with rclone
I've received complaints from rclone users that file uploads are progressing really slowly.
Digging into it what I see is this:
2020-09-03 11:44:33 DEBUG : too_many_requests/: Too many re...
Thanks for the detailed feedback! I'm sharing this with the team.
Greg-DB
Dropbox Community Moderator
Dropbox Community ModeratorGreat, thanks for following up! I'm glad to hear it helps a lot in this case.
My Test user is uploading 10TB of images. So lots of 2-3MB files.
Using batching the upload is proceeding very quickly (at about 35MB/s) which is great. However every 30 minutes or so they get this error
too_many_requests/.: Too many requests or write operations.
Along with a 300 second Retry-After which rclone obeys.
Rclone is now using batching of 1000 files at a time. It only sends one batch at a time and waits for it to complete. I think that is all the ingredients for successful batching.
If I upload lots of very small (10 byte) files, I can provoke this message after uploading about 5000 of them.
Any ideas on how I can avoid this 300 second lockout? I tried pacing the uploads but it didn't seem to help.
Thanks
- Greg-DB
That rate limit with the longer Retry-After should just be a result of making a very large number of API calls for a particular user in a short period of time (as opposed to lock contention). If you're sending thousands of requests very quickly like that, you can run in to it. (It sounds like you would have normally run in to lock contention before you hit this limit, but that's no longer an issue with the batch commit so you can run much faster.) The only way to avoid this then is to just call at a slower rate. It sounds like you already tried that, but if it didn't help you'll need to limit it further.
> The only way to avoid this then is to just call at a slower rate. It sounds like you already tried that, but if it didn't help you'll need to limit it further.
I tried limiting it to 10 per second.
I'll do some experiments to see what I think the right number is.
Or even better do you have a figure you could tell me?
- Greg-DB
Unfortunately I don't have any specific rate limit numbers to share.
@ncw How do you implement the batching? I am getting this error on a regular basis and its quite annoying.
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