denyhosts seems to be starting to slow down on all of our servers..
root 10464 26.6 0.8 13372 9012 ? Ss 11:00 6:37
/usr/bin/python2.3 /usr/sbin/denyhosts.py -c /etc/denyhosts.cfg
it has been running for 6 1/2 minutes using 26-40% cpu the whole time.
heres an strace (before i installed nscd)..
munmap(0x40637000, 4096) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 5
connect(5, {sa_family=AF_INET, sin_port=htons(53),
sin_addr=inet_addr("66.33.216.127")}, 28) = 0
send(5, "Hm\1\0\0\1\0\0\0\0\0\0\003144\00299\003100\00210\7in-a"..., 44,
0) = 44
gettimeofday({1147371266, 352638}, NULL) = 0
poll([{fd=5, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
ioctl(5, FIONREAD, [88]) = 0
recvfrom(5, "Hm\201\200\0\1\0\1\0\0\0\0\003144\00299\003100\00210\7"...,
1024, 0, {sa_family=AF_INET, sin_port=htons(53),
sin_addr=inet_addr("66.33.216.127")}, [16]) = 88
close(5) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 5
connect(5, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110) = -1
ENOENT (No such file or directory)
close(5) = 0
open("/etc/hosts", O_RDONLY) = 5
fcntl64(5, F_GETFD) = 0
fcntl64(5, F_SETFD, FD_CLOEXEC) = 0
fstat64(5, {st_mode=S_IFREG|0644, st_size=36511, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x40637000
and here is one after i instaleld nscd which it was looking for...
connect(5, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110) = 0
writev(5, [{"\2\0\0\0\6\0\0\0\4\0\0\0", 12}, {"\n\3\20\22", 4}], 2) = 16
read(5, "\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377"..., 32)
= 32
close(5) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 5
connect(5, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110) = 0
writev(5, [{"\2\0\0\0\6\0\0\0\4\0\0\0", 12}, {"\n\3\20\23", 4}], 2) = 16
read(5, "\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377"..., 32)
= 32
close(5) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 5
connect(5, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110) = 0
writev(5, [{"\2\0\0\0\6\0\0\0\4\0\0\0", 12}, {"\n\3\20\24", 4}], 2) = 16
read(5, "\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377"..., 32)
= 32
close(5) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 5
connect(5, {sa_family=AF_FILE, path="/var/run/.nscd_socket"}, 110) = 0
writev(5, [{"\2\0\0\0\6\0\0\0\4\0\0\0", 12}, {"\n\3\20\25", 4}], 2) = 16
read(5, <unfinished ...>
seems like now that i installed nscd it just keeps looking at nscd over
and over. any ideas? my auth.log is only 36MB right now.
--
Jordan Tardif
DreamHost
-------------------------------------------------------
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