DH ssh to my host always felt slowly, very unhappy.
Here today that the following two commands, you can view separate ssh on the host and the total number of users number of users.
grep-i / home / / etc / passwd | wc-l
grep-i / home / / etc / passwd | grep / bin / .* sh $ | wc-l
Checked, my space on the host where the ssh account 108, 379 ftp / ssh user.
load vmstat look, really high enough.
procs ---- memory -----swap-- io --system-- cpu -
rb swpd free buff cache si so bi bo in cs us sy id wa
0041968213368 66372 2,950,740,014,913,277,660
