[Samba] Samba 4.7.x IOWAIT / load average

Christophe Yayon cyayon at nbux.org
Tue Jan 9 14:27:17 UTC 2018


I want to report a strange problem with samba 4.7.x and IO wait / CPU usage.

I am using linux (archlinux, kernel 4.14.2) and encounter a very strange bug with only samba 4.7.x (from 4.7.0 to last 4.7.4).
With these versions CPU usage and IO WAIT is very high with a single CIFS client with very low transfert (about 1MB/s).

I rollback to 4.6.9 to 4.6.12 and no problem with these versions.


best regards,

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