thr3ads.net - samba - [Samba] wbinfo slow [Oct 2014]

If this information is useful, please help other people find it:
Share via:

Christovam Paynes Silva

2014-Oct-04 17:07 UTC

[Samba] wbinfo slow

Good afternoon.

Guys, I still can not solve this problem.
Some help?

Thanks

2014-09-26 11:17 GMT-03:00 Christovam Paynes Silva <christovamps at
gmail.com>:
> good morning everyone.
>
>
>
> I apologize if it is recurrent. But not yet found a solution.
> I have a problem of slowness when running "wbinfo -u" command.
Analyzing
> the outputs of "strace" command, I noticed some timeout.
> After several searches, I found information that indicated remove dead
> domains. I do not have these domains. I performed a fresh installation.
>
> My scenario is a samba 3.6.6 with Debian, authenticating to Active
> Directory 2012 This problem occurs slowly on a CentOS 6.5 also.
>
> Any suggestions:
> Below is the output of strace:
>
>
> root at fileserver1:~# strace -f wbinfo -u
> execve("/usr/bin/wbinfo", ["wbinfo", "-u"],
[/* 15 vars */]) = 0
> brk(0)                                  = 0x7fc138728000
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a99000
> access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file
or
> directory)
> open("/etc/ld.so.cache", O_RDONLY)      = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=17877, ...}) = 0
> mmap(NULL, 17877, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc136a94000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libcap.so.2", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\26\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=17112, ...}) = 0
> mmap(NULL, 2112384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc136678000
> mprotect(0x7fc13667c000, 2093056, PROT_NONE) = 0
> mmap(0x7fc13687b000, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fc13687b000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libresolv.so.2", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3008\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=80712, ...}) = 0
> mmap(NULL, 2185864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc136462000
> mprotect(0x7fc136475000, 2093056, PROT_NONE) = 0
> mmap(0x7fc136674000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12000) = 0x7fc136674000
> mmap(0x7fc136676000, 6792, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc136676000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libnsl.so.1", O_RDONLY) = 3
> read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0
@\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=89056, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a93000
> mmap(NULL, 2194128, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc13624a000
> mprotect(0x7fc13625f000, 2093056, PROT_NONE) = 0
> mmap(0x7fc13645e000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x7fc13645e000
> mmap(0x7fc136460000, 6864, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc136460000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=14768, ...}) = 0
> mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc136046000
> mprotect(0x7fc136048000, 2097152, PROT_NONE) = 0
> mmap(0x7fc136248000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fc136248000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/librt.so.1", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220!\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=31744, ...}) = 0
> mmap(NULL, 2128856, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc135e3e000
> mprotect(0x7fc135e45000, 2093056, PROT_NONE) = 0
> mmap(0x7fc136044000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fc136044000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2", O_RDONLY) =
3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\4\1\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=323088, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a92000
> mmap(NULL, 2427560, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc135bed000
> mprotect(0x7fc135c39000, 2097152, PROT_NONE) = 0
> mmap(0x7fc135e39000, 12288, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4c000) = 0x7fc135e39000
> mmap(0x7fc135e3c000, 6824, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc135e3c000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/liblber-2.4.so.2", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\2409\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=59640, ...}) = 0
> mmap(NULL, 2154920, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1359de000
> mprotect(0x7fc1359ec000, 2093056, PROT_NONE) = 0
> mmap(0x7fc135beb000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7fc135beb000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libpopt.so.0", O_RDONLY) = 3
> read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P(\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=52296, ...}) = 0
> mmap(NULL, 2147568, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1357d1000
> mprotect(0x7fc1357dc000, 2097152, PROT_NONE) = 0
> mmap(0x7fc1359dc000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7fc1359dc000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libtalloc.so.2", O_RDONLY) = 3
> read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`$\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=46656, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a91000
> mmap(NULL, 2142152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1355c6000
> mprotect(0x7fc1355d1000, 2093056, PROT_NONE) = 0
> mmap(0x7fc1357d0000, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa000) = 0x7fc1357d0000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libtdb.so.1", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240*\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=69576, ...}) = 0
> mmap(NULL, 2164992, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1353b5000
> mprotect(0x7fc1353c6000, 2093056, PROT_NONE) = 0
> mmap(0x7fc1355c5000, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7fc1355c5000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libwbclient.so.0", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200%\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=50976, ...}) = 0
> mmap(NULL, 2153768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1351a7000
> mprotect(0x7fc1351b3000, 2093056, PROT_NONE) = 0
> mmap(0x7fc1353b2000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7fc1353b2000
> mmap(0x7fc1353b4000, 3368, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc1353b4000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\357\1\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=1595408, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a90000
> mmap(NULL, 3709016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc134e1d000
> mprotect(0x7fc134f9d000, 2097152, PROT_NONE) = 0
> mmap(0x7fc13519d000, 20480, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x180000) = 0x7fc13519d000
> mmap(0x7fc1351a2000, 18520, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc1351a2000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libattr.so.1", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\25\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=18672, ...}) = 0
> mmap(NULL, 2113880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc134c18000
> mprotect(0x7fc134c1c000, 2093056, PROT_NONE) = 0
> mmap(0x7fc134e1b000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fc134e1b000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY) = 3
> read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\\\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=131107, ...}) = 0
> mmap(NULL, 2208672, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1349fc000
> mprotect(0x7fc134a13000, 2093056, PROT_NONE) = 0
> mmap(0x7fc134c12000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7fc134c12000
> mmap(0x7fc134c14000, 13216, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc134c14000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libsasl2.so.2", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\2008\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=109360, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8f000
> mmap(NULL, 2204624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1347e1000
> mprotect(0x7fc1347fb000, 2093056, PROT_NONE) = 0
> mmap(0x7fc1349fa000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19000) = 0x7fc1349fa000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libgnutls.so.26", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\250\1\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=785552, ...}) = 0
> mmap(NULL, 2882728, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc134521000
> mprotect(0x7fc1345da000, 2093056, PROT_NONE) = 0
> mmap(0x7fc1347d9000, 32768, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb8000) = 0x7fc1347d9000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libgcrypt.so.11", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\207\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=516128, ...}) = 0
> mmap(NULL, 2612480, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc1342a3000
> mprotect(0x7fc13431d000, 2097152, PROT_NONE) = 0
> mmap(0x7fc13451d000, 16384, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7a000) = 0x7fc13451d000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libcrypt.so.1", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\n\0\0\0\0\0\0"...,
832) > 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=35104, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8e000
> mmap(NULL, 2318784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc13406c000
> mprotect(0x7fc134074000, 2093056, PROT_NONE) = 0
> mmap(0x7fc134273000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fc134273000
> mmap(0x7fc134275000, 184768, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc134275000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libtasn1.so.3", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\36\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=68064, ...}) = 0
> mmap(NULL, 2163624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc133e5b000
> mprotect(0x7fc133e6b000, 2093056, PROT_NONE) = 0
> mmap(0x7fc13406a000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7fc13406a000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libz.so.1", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340#\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=92752, ...}) = 0
> mmap(NULL, 2187792, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc133c44000
> mprotect(0x7fc133c5a000, 2093056, PROT_NONE) = 0
> mmap(0x7fc133e59000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fc133e59000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/usr/lib/x86_64-linux-gnu/libp11-kit.so.0", O_RDONLY) = 3
> read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P/\0\0\0\0\0\0"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=72808, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8d000
> mmap(NULL, 2168144, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc133a32000
> mprotect(0x7fc133a43000, 2093056, PROT_NONE) = 0
> mmap(0x7fc133c42000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7fc133c42000
> close(3)                                = 0
> access("/etc/ld.so.nohwcap", F_OK)      = 0
> open("/lib/x86_64-linux-gnu/libgpg-error.so.0", O_RDONLY) = 3
> read(3,
>
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\t\0\0\0\0\0\0"...,
832)
> = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=14112, ...}) = 0
> mmap(NULL, 2109384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fc13382f000
> mprotect(0x7fc133832000, 2093056, PROT_NONE) = 0
> mmap(0x7fc133a31000, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fc133a31000
> close(3)                                = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8c000
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8b000
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a8a000
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> 0x7fc136a89000
> arch_prctl(ARCH_SET_FS, 0x7fc136a8a700) = 0
> mprotect(0x7fc133c42000, 4096, PROT_READ) = 0
> mprotect(0x7fc133e59000, 4096, PROT_READ) = 0
> mprotect(0x7fc13406a000, 4096, PROT_READ) = 0
> mprotect(0x7fc134273000, 4096, PROT_READ) = 0
> mprotect(0x7fc13451d000, 4096, PROT_READ) = 0
> mprotect(0x7fc1347d9000, 24576, PROT_READ) = 0
> mprotect(0x7fc1349fa000, 4096, PROT_READ) = 0
> mprotect(0x7fc134c12000, 4096, PROT_READ) = 0
> mprotect(0x7fc134e1b000, 4096, PROT_READ) = 0
> mprotect(0x7fc13519d000, 16384, PROT_READ) = 0
> mprotect(0x7fc1353b2000, 4096, PROT_READ) = 0
> mprotect(0x7fc1359dc000, 4096, PROT_READ) = 0
> mprotect(0x7fc135beb000, 4096, PROT_READ) = 0
> mprotect(0x7fc135e39000, 8192, PROT_READ) = 0
> mprotect(0x7fc136044000, 4096, PROT_READ) = 0
> mprotect(0x7fc136248000, 4096, PROT_READ) = 0
> mprotect(0x7fc13645e000, 4096, PROT_READ) = 0
> mprotect(0x7fc136674000, 4096, PROT_READ) = 0
> mprotect(0x7fc136e25000, 110592, PROT_READ) = 0
> mprotect(0x7fc136a9b000, 4096, PROT_READ) = 0
> munmap(0x7fc136a94000, 17877)           = 0
> set_tid_address(0x7fc136a8a9d0)         = 5096
> set_robust_list(0x7fc136a8a9e0, 0x18)   = 0
> futex(0x7fffed3445cc, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1,
> NULL, 7fc136a8a700) = -1 EAGAIN (Resource temporarily unavailable)
> rt_sigaction(SIGRTMIN, {0x7fc134a01ad0, [], SA_RESTORER|SA_SIGINFO,
> 0x7fc134a0b030}, NULL, 8) = 0
> rt_sigaction(SIGRT_1, {0x7fc134a01b60, [],
> SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fc134a0b030}, NULL, 8) = 0
> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
> brk(0)                                  = 0x7fc138728000
> brk(0x7fc138749000)                     = 0x7fc138749000
> geteuid()                               = 0
> open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=1534512, ...}) = 0
> mmap(NULL, 1534512, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc136912000
> close(3)                                = 0
> open("/usr/share/samba/upcase.dat", O_RDONLY) = 3
> mmap(NULL, 131072, PROT_READ, MAP_SHARED, 3, 0) = 0x7fc1368f2000
> close(3)                                = 0
> open("/usr/share/samba/lowcase.dat", O_RDONLY) = 3
> mmap(NULL, 131072, PROT_READ, MAP_SHARED, 3, 0) = 0x7fc1368d2000
> close(3)                                = 0
> lstat("/tmp/.winbindd", {st_mode=S_IFDIR|0755, st_size=4096,
...}) = 0
> lstat("/tmp/.winbindd/pipe", {st_mode=S_IFSOCK|0777, st_size=0,
...}) = 0
> socket(PF_FILE, SOCK_STREAM, 0)         = 3
> fcntl(3, F_GETFL)                       = 0x2 (flags O_RDWR)
> fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK)    = 0
> fcntl(3, F_GETFD)                       = 0
> fcntl(3, F_SETFD, FD_CLOEXEC)           = 0
> connect(3, {sa_family=AF_FILE, path="/tmp/.winbindd/pipe"}, 110)
= 0
> poll([{fd=3, events=POLLIN|POLLHUP}], 1, 0) = 0 (Timeout)
> write(3,
>
"0\10\0\0\0\0\0\0\0\0\0\0\350\23\0\0\0\10\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 2096) = 2096
> poll([{fd=3, events=POLLIN|POLLHUP}], 1, 5000) = 1 ([{fd=3,
> revents=POLLIN}])
> read(3,
>
"\250\r\0\0\2\0\0\0\33\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 3496) = 3496
> poll([{fd=3, events=POLLIN|POLLHUP}], 1, 0) = 0 (Timeout)
> write(3,
>
"0\10\0\0/\0\0\0\0\0\0\0\350\23\0\0\0\10\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 2096) = 2096
> poll([{fd=3, events=POLLIN|POLLHUP}], 1, 5000) = 1 ([{fd=3,
> revents=POLLIN}])
> read(3,
>
"\313\r\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 3496) = 3496
> poll([{fd=3, events=POLLIN|POLLHUP}], 1, 5000) = 1 ([{fd=3,
> revents=POLLIN}])
> read(3, "/var/run/samba/winbindd_privileg"..., 35) = 35
> lstat("/var/run/samba/winbindd_privileged",
{st_mode=S_IFDIR|0750,
> st_size=60, ...}) = 0
> lstat("/var/run/samba/winbindd_privileged/pipe",
{st_mode=S_IFSOCK|0777,
> st_size=0, ...}) = 0
> socket(PF_FILE, SOCK_STREAM, 0)         = 4
> fcntl(4, F_GETFL)                       = 0x2 (flags O_RDWR)
> fcntl(4, F_SETFL, O_RDWR|O_NONBLOCK)    = 0
> fcntl(4, F_GETFD)                       = 0
> fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
> connect(4, {sa_family=AF_FILE,
> path="/var/run/samba/winbindd_privileged/pipe"}, 110) = 0
> close(3)                                = 0
> *poll([{fd=4, events=POLLIN|POLLHUP}], 1, 0) = 0 (Timeout)*
> *write(4,
>
"0\10\0\0\22\0\0\0\0\0\0\0\350\23\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 2096) = 2096*
> *poll([{fd=4, events=POLLIN|POLLHUP}], 1, 5000) = 0 (Timeout)*
> *poll([{fd=4, events=POLLIN|POLLHUP}], 1, 5000) = 0 (Timeout)*
>
>
>
> Thanks
>

Marc Muehlfeld

2014-Oct-04 17:25 UTC

head link

[Samba] wbinfo slow

Hello Christovam,

Am 04.10.2014 um 19:07 schrieb Christovam Paynes Silva:>> I apologize if it is recurrent. But not yet found a solution.
>> I have a problem of slowness when running "wbinfo -u"
command. Analyzing
>> the outputs of "strace" command, I noticed some timeout.
>> After several searches, I found information that indicated remove dead
>> domains. I do not have these domains. I performed a fresh installation.
>>
>> My scenario is a samba 3.6.6 with Debian, authenticating to Active
>> Directory 2012 This problem occurs slowly on a CentOS 6.5 also.
3.6.6 is quite old (>2.5 years) and the 3.6 series is already out of
maintainance will be discontinued completely soon. Do you have a change
to try a more recent version? There were been many improvements done in
the meantime and maybe your problem doesn't exist any more in the latest
versions.


Regards,
Marc

Maybe Matching Threads

Search for more maybe matching threads

samba - Oct 2014 - wbinfo slow

[Samba] wbinfo slow

[Samba] wbinfo slow

Maybe Matching Threads