PasswordService in Uninterruptible wait
Is it normal behavior for the PasswordService to go into an "Uninterruptible wait" status intermittently on an OD master? Top was showing a stuck process so after investigating with ps aux, I have found that it's the PasswordService that keeps going in and out of the stuck state.
According to the document [url=http://unix.derkeiler.com/Newsgroups/comp.unix.programmer/2005-08/0313.html]here[/url], a stuck process is waiting for a kernal function to complete and can be caused by an incomplete I/O. I do notice that my disk is pretty active:
% iostat -w 1 disk0
disk0 cpu
KB/t tps MB/s us sy id
8.37 1371 11.21 32 8 60
8.22 543 4.36 19 3 78
8.24 1751 14.08 12 12 77
8.18 420 3.35 18 4 78
7.50 16 0.12 18 2 80
9.72 1439 13.67 36 8 56
8.22 2691 21.59 27 15 58
8.22 2901 23.29 22 10 68
11.04 779 8.40 44 11 46
The same is true on my replica:
% iostat -w 1 disk0
disk0 cpu
KB/t tps MB/s us sy id
8.48 208 1.73 1 2 98
8.23 2020 16.24 1 6 94
8.22 1756 14.09 17 10 74
9.36 2635 24.08 6 17 77
8.23 3251 26.13 2 12 85
8.24 3226 25.95 4 13 84
8.24 2372 19.08 2 12 86
8.57 1945 16.28 2 14 84
9.94 1262 12.25 22 4 74
Both seem kind of high to me, even with the I/O associated w/ lookups...