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[6.9.0 Beta 29] Process smbd using 100% of a single core when accessing or copying data to or form a share

  • Solved
  • Minor

I've upgraded from 6.8.3 to try to squash some other bugs my system had and so far beta 29 seems to have solved the problems I had, but with it another problem has come up.

 

Whenever I'm trying to access a share or copy data to and from a share, /usr/sbin/smbd -D is using 100% of a single core, slowing down file transfers to a crawl, around 20 megabytes per second.

If I attempt to open another explorer window and browse to a share, any ongoing file transfers completely stop and it takes over a minute to open the share.

 

This issue seems to affect a single computer at a time. If my desktop is having slowdown issues, my laptop can open and copy files without issues but it experiences the same problems the moment a file transfer starts up.

 

Diagnosis taken during a single file transfer from the array to my desktop.

unraid-diagnostics-20201005-1148.zip

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