8000 Upload speed is too slow · Issue #35 · xtyxtyx/minio-dart · GitHub
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Upload speed is too slow #35

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Upload speed is too slow#35
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@zxl777
zxl777
opened on Dec 17, 2021

I set up a MiniO server locally and tested the upload of 16MB files by flutter web app.
It took 22 seconds. Since there is no network bottleneck to limit the speed,
such a slow speed is a problem.

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  1. xtyxtyx
    self-assigned this
    on Dec 22, 2021

  2. xtyxtyx commented on Jan 5, 2022

    @xtyxtyx
    xtyxtyx
    on Jan 5, 2022
    Owner

    I tried uploading a ~40MB file in a Fluttter web app to a remote server, in my case it takes only a few second and the speed can reach up to ~10MB/s.

    Could you provide an example that can reproduce the problem? So that I can make further investigation on that.

  3. zxl777 commented on Mar 31, 2022

    @zxl777
    zxl777
    on Mar 31, 2022
    Author

    @xtyxtyx Can you share the web example for upload?

  4. arrrrny commented on Oct 22, 2026

    @arrrrny
    arrrrny
    on Oct 22, 2026

    Two things help, and both are in the fork (0.2.0):

    • putObject takes maxParallelUploads, which uploads the parts of a
      multipart upload concurrently instead of one after the other.
    • onProgress shows how much has been transferred, so it is visible whether
      the bottleneck is the network or the app.

    For a 16 MB file on a local server, the parallel upload is the difference
    between one round trip per part and several at once.

  5. arrrrny commented on Oct 22, 2026

    @arrrrny
    arrrrny
    on Oct 22, 2026

    This ships in zuraffa_minio — the maintained fork of this package, which upstream has not touched since August 2025.

    The fork keeps the API of the original package unchanged, so moving over is an import swap:

    // before
import 'package:minio/minio.dart';
// after
import 'package:zuraffa_minio/minio.dart';

    Source, the changelog and the sweep of the open issues of this tracker: https://github.com/arrrrny/zuraffa_minio

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