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OpenWriterAt implementations causes problems when copying bigger files #8147

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Jeah42 opened this issue Oct 23, 2024 · 3 comments
Open

OpenWriterAt implementations causes problems when copying bigger files #8147

Jeah42 opened this issue Oct 23, 2024 · 3 comments

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@Jeah42
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Jeah42 commented Oct 23, 2024

See discussion in

https://forum.rclone.org/t/copy-sync-of-large-files-to-pcloud-always-failing/48334

Workarrounds are the options:

--multi-thread-streams=1

or

--disable OpenWriterAt

@ncw
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ncw commented Oct 23, 2024

@gfelbing this looks like it is the new code introduced in 4c1cb06 - any thoughts?

@JohnRichardKlein
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Oh, my lord, this bug caused me to waste some much time and bandwidth as I am new to rclone and assumed I was doing something wrong. Please fix this. :) Thankfully for this bug report, I'm using 1 multi-thread-streams to get around it.

@gfelbing
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The whole OpenWriterAt was exactly for large files, I will try to reproduce and play with the API again, to find out what changed here...

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@ncw @gfelbing @JohnRichardKlein @Jeah42 and others