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My experiments in building a home server capable of handling fast + consistent deduplication

Thank you for this writeup. I've removed dedup from my ZFS setup as I was beginning to see similar issues to this article on my dump device for VM backups. I probably would have spent way too much time troubleshooting this if I hadn't run across another posting, and this article.
very informative
Despite criticism on the subject and explanation, I found this extremely enlightening.

It's clear look into my problems as I'm having at the moment (https://www.truenas.com/community/threads/pushing-smb-large-multi-gigabyte-files-to-the-nas-causes-a-large-transfer-to-slow-and-then-fail.105166/#post-729802) and it's as if a revealed truth were put before me. Even jgreco suggested this post (and we know the Grinch always speaks his mind).

I have EXACTLY the issues that this person dealt with and, with the others who are assisting me in my efforts to get a balanced and under-control server, this article was mentioned more than once.

Looking through it, I have noted more than a few issues with my build that have strangled throughput to a crawl and eventual SMB disconnect. Same with AFP (yeah, I have Macs and tried that approach too while it's still available in TNC 13x.

I'm VERY glad this is out there where blue-sky "research" is still shown to be valuable even when there seems to be no point to it.

Bravo Sir! And thank you.
This is a fantastic read and totally worth the time for anybody interested in dedupe on ZFS.
10/10 would recommend-
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