I`m about "google search". Most results is about "samba performance tuning" and contain "socket options" improvements.
I just did a search in Google and I also found the warnings about the use of "sockect options" with Linux kernel 2.6. So, I suppose that one finds what one is looking for...
-- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
