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Remote Service is slow

Posted: Sun Jan 16, 2022 5:26 pm
by dmzz
Hello,

I am using Remote Service on my Synology NAS DS1621+ with RAID10 of 4 drives. Average read/write speeds are 300-400 Mb/s. I'm using block-level copying for syncing one 21Gb file between my NAS and laptop.
When the laptop is waiting for Remote Service to create MD5 checksums of a NAS side, I see that it uses just a tiny part of NAS resources.
The disk reading speed is near 72 Mb/s, and it uses just 13% of the CPU (please see the screenshot).
Is there any way to set Remote Service using more system resources and, as a result, finish building MD5 checksums faster?
I am also using Synctching on my NAS and scan this file much faster, and disk read speeds are over 300 Mb/s.
I believe it is possible for Syncovery Remote Serviceaccess disk of a similar speed.

Thank you.

Re: Remote Service is slow

Posted: Sun Jan 16, 2022 7:38 pm
by tobias
Hello,
it has to calculate MD5 checksums, and that just isn't any faster. The rate is actually very good for MD5 calculation.

If your Syncovery job uploads to the NAS, you can avoid this by removing the checkmark "Right side uses Remote Service".

If you are downloading from the NAS, and you want block level copying, then you just need to live with the speed.

Re: Remote Service is slow

Posted: Mon Jan 17, 2022 9:58 am
by dmzz
Thank you for the explanation.

Re: Remote Service is slow

Posted: Tue Jan 18, 2022 12:47 pm
by dmzz
BTW, it would be great to set Remote Service to scan file changes and create MD5 checksums automatically in the scanned folder.
This will avoid waiting during syncing with the remote side.
What do you think?

Re: Remote Service is slow

Posted: Wed Jan 19, 2022 9:58 am
by tobias
Hello,
it would be hard to know when the checksums should be calculated exactly. Surely not every small change should trigger an immediate re-calculation of all checksums on a large file. Maybe it would be better to be able to schedule checksum calculation? Do you have fixed times of day where this should happen?

Re: Remote Service is slow

Posted: Wed Jan 19, 2022 2:25 pm
by dmzz
Hello,

Sure, schedule would work great too. Is there is a way to schedule checksum calculations for the Remote Service?

Re: Remote Service is slow

Posted: Wed Jan 19, 2022 2:42 pm
by tobias
No, this is just something I could add.

Re: Remote Service is slow

Posted: Thu Jan 20, 2022 8:31 am
by dmzz
That would be great, thank you!