Nope, because of http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/130749
--
Andrey Zonov
04.10.2011 19:20, Dag-Erling Smørgrav пишет:
Does anyone actually use nscd?
___
freebsd-hackers@freebsd.org mailing list
On Tue, Oct 11, 2011 at 1:42 PM, per...@pluto.rain.com wrote:
Doug Barton do...@freebsd.org wrote:
On 10/10/2011 11:55, David Brodbeck wrote:
Is there any reason to cache negative hits?
It's very important for DNS since there are a fairly large number
of misbehaving applications that
Am 11.10.2011 10:32, schrieb Michael Bushkov:
On Tue, Oct 11, 2011 at 1:42 PM, per...@pluto.rain.com wrote:
Doug Barton do...@freebsd.org wrote:
On 10/10/2011 11:55, David Brodbeck wrote:
Is there any reason to cache negative hits?
It's very important for DNS since there are a fairly large
On Fri, Oct 7, 2011 at 3:30 AM, Michael Bushkov bush...@freebsd.org wrote:
While I agree that nscd negative caching bug should be fixed, it won't
help with the problem that users encounter during ports installation.
When, for example, user x is added during port install, the
following steps
On 10/10/2011 11:55, David Brodbeck wrote:
Is there any reason to cache negative hits?
It's very important for DNS since there are a fairly large number of
misbehaving applications that don't stop querying until they get some
kind of answer.
And speaking of DNS, while I think that improving
On Mon, Oct 10, 2011 at 1:09 PM, Doug Barton do...@freebsd.org wrote:
On 10/10/2011 11:55, David Brodbeck wrote:
Is there any reason to cache negative hits?
It's very important for DNS since there are a fairly large number of
misbehaving applications that don't stop querying until they get
Doug Barton do...@freebsd.org wrote:
On 10/10/2011 11:55, David Brodbeck wrote:
Is there any reason to cache negative hits?
It's very important for DNS since there are a fairly large number
of misbehaving applications that don't stop querying until they
get some kind of answer.
Would this
On Wed, Oct 05, 2011 at 03:54:00PM -0700, Artem Belevich wrote:
2011/10/5 Dag-Erling Sm?rgrav d...@des.no:
Michael Bushkov bush...@freebsd.org writes:
2. Consequences of the aforementioned problem can probably be
corrected by using _setsockopt(..., SO_NOSIGPIPE) in
Ivan Voras ivo...@freebsd.org wrote:
On 05/10/2011 09:38, Trond Endrest??l wrote:
On Wed, 5 Oct 2011 12:54+1030, Daniel O'Connor wrote:
In my experience ncsd seems to cache negative hits forever,
regardless of the setting for negative-time-to-live.
I'm glad to see I'm not the only one
On Fri, Oct 7, 2011 at 3:05 PM, per...@pluto.rain.com wrote:
Ivan Voras ivo...@freebsd.org wrote:
On 05/10/2011 09:38, Trond Endrest??l wrote:
On Wed, 5 Oct 2011 12:54+1030, Daniel O'Connor wrote:
In my experience ncsd seems to cache negative hits forever,
regardless of the setting for
While I agree that nscd negative caching bug should be fixed, it won't
help with the problem that users encounter during ports installation.
When, for example, user x is added during port install, the
following steps are involved:
1. Script checks if x is present in the users list. Nscd is
On Thu, 2011-10-06 at 00:44:10 -0500, Dan Nelson wrote:
In the last episode (Oct 04), Trond Endrestol said:
On Tue, 4 Oct 2011 18:51+0200, Dag-Erling Smorgrav wrote:
Trond Endrestol trond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjovik Technical College (Fagskolen i
On 7 Oct 2011 08:13, per...@pluto.rain.com wrote:
Ivan Voras ivo...@freebsd.org wrote:
On 05/10/2011 09:38, Trond Endrest??l wrote:
On Wed, 5 Oct 2011 12:54+1030, Daniel O'Connor wrote:
In my experience ncsd seems to cache negative hits forever,
regardless of the setting for
In the last episode (Oct 04), Trond Endrestol said:
On Tue, 4 Oct 2011 18:51+0200, Dag-Erling Smorgrav wrote:
Trond Endrestol trond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjovik Technical College (Fagskolen i Gjovik),
here in Norway. Both the mail and web servers
On 05/10/2011 09:38, Trond Endrestøl wrote:
On Wed, 5 Oct 2011 12:54+1030, Daniel O'Connor wrote:
On 05/10/2011, at 2:30, Michel Talon wrote:
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time
On 10/05/11 19:43, Dag-Erling Smørgrav wrote:
[snip]
While we're at it, I'd be very grateful if someone could email me a
quick and dirty guide to setting up an LDAP server for testing. I have
too much on my plate right now to start reading documentation...
A bit dated, but this build guide
Lawrence Stewart lstew...@freebsd.org writes:
If the machine running nscd loses connectivity with the DNS server for
a while and does a DNS lookup during that time, nscd will cache the
-ve reply indefinitely for all users, which breaks all sorts of
crap. Have to forcibly run nscd -I all to
Daniel O'Connor docon...@gsoft.com.au writes:
I'd be interested in testing your workaround(s) :)
It wasn't a workaround, actually, just a one-line change that enables
additional logging (when running with from the console -nst) which might
help me figure out why it crashes. See my reply to
On 05/10/2011, at 19:13, Dag-Erling Smørgrav wrote:
Daniel O'Connor docon...@gsoft.com.au writes:
I'd be interested in testing your workaround(s) :)
It wasn't a workaround, actually, just a one-line change that enables
additional logging (when running with from the console -nst) which might
On 05/10/2011 09:43, Dag-Erling Smørgrav wrote:
While we're at it, I'd be very grateful if someone could email me a
quick and dirty guide to setting up an LDAP server for testing. I have
too much on my plate right now to start reading documentation...
The Quick Start guide on the OpenLDAP
04.10.2011 22:47, Sean M. Collins пишет:
I've never heard of the utility until you mentioned it.
I'd nuke it, since really there are more popular alternatives like Redis
and Memcached in the ports tree that most people will reach for first.
Please look at
On Wednesday 05 October 2011 10:46:47 Eugene Grosbein wrote:
04.10.2011 22:47, Sean M. Collins пишет:
I've never heard of the utility until you mentioned it.
I'd nuke it, since really there are more popular alternatives like Redis
and Memcached in the ports tree that most people will
2011/10/4 Dag-Erling Smørgrav d...@des.no:
Any chance of getting a backtrace from an unpatched nscd? Ideally with
the change described here:
http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/136073#reply1
To test, stop nscd, then run it from the command line like so:
$ su -
# cd /tmp
#
2011/10/5 Michael Bushkov bush...@freebsd.org:
There are probably 2 things here:
1. There's some error in nsswitch-nscd communication protocol that
causes nsswitch to write into the closed socket. This is not trivial
to investigate and will require analyzing nscd and client process logs
side
There are probably 2 things here:
1. There's some error in nsswitch-nscd communication protocol that
causes nsswitch to write into the closed socket. This is not trivial
to investigate and will require analyzing nscd and client process logs
side by side (and possibly adding some more logging).
2.
Michael Bushkov bush...@freebsd.org writes:
2. Consequences of the aforementioned problem can probably be
corrected by using _setsockopt(..., SO_NOSIGPIPE) in
__open_cached_connection() in nscachedcli.c
That sounds like a workaround rather than a fix...
DES
--
Dag-Erling Smørgrav -
2011/10/5 Dag-Erling Smørgrav d...@des.no:
Michael Bushkov bush...@freebsd.org writes:
2. Consequences of the aforementioned problem can probably be
corrected by using _setsockopt(..., SO_NOSIGPIPE) in
__open_cached_connection() in nscachedcli.c
That sounds like a workaround rather than a
On Tue, 4 Oct 2011 18:51+0200, Dag-Erling Smørgrav wrote:
Trond Endrestøl trond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by LDAP, and nscd certainly
On Wed, 5 Oct 2011 12:54+1030, Daniel O'Connor wrote:
On 05/10/2011, at 2:30, Michel Talon wrote:
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time i have been hit is when installing some
On Tue, 4 Oct 2011 17:20+0200, Dag-Erling Smørgrav wrote:
Does anyone actually use nscd?
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by LDAP, and nscd certainly speeds up the lookups.
Trond.
--
Does anyone actually use nscd?
I ask because when I cleaned up a slew of aliasing bugs a couple of
years ago, I believe I may have introduced a bug; I got exactly two
complaints, and neither of the complainants could be bothered to try the
workaround I suggested and report back.
Although the
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time i have been hit is when installing some
new softs which require adding some user and some group with pw. Of
course this doesn't work well with caching
On 4 Oct 2011, at 17:00, Michel Talon wrote:
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time i have been hit is when installing some
new softs which require adding some user and some group
I've never heard of the utility until you mentioned it.
I'd nuke it, since really there are more popular alternatives like Redis
and Memcached in the ports tree that most people will reach for first.
--
Sean M. Collins
___
freebsd-hackers@freebsd.org
Trond Endrestøl trond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by LDAP, and nscd certainly speeds up the lookups.
OK. No trouble with clients dying of
On 10/4/11 9:51 AM, Dag-Erling Smørgrav wrote:
Trond Endrestøltrond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by LDAP, and nscd certainly speeds up the lookups.
2011/10/4 Dag-Erling Smørgrav d...@des.no:
Trond Endrestøl trond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by LDAP, and nscd certainly speeds up the lookups.
On Tue, Oct 4, 2011 at 8:47 AM, Sean M. Collins s...@coreitpro.com wrote:
I've never heard of the utility until you mentioned it.
I'd nuke it, since really there are more popular alternatives like Redis
and Memcached in the ports tree that most people will reach for first.
Fwiw, nscd serves
Hi,
Disclaimer: I've written the nscd utility, so I can be a bit biased.
On Tue, Oct 4, 2011 at 5:47 PM, Sean M. Collins s...@coreitpro.com wrote:
I've never heard of the utility until you mentioned it.
I'd nuke it, since really there are more popular alternatives like Redis
and Memcached in
Artem Belevich a...@freebsd.org writes:
And I do have a way to reproduce the SIGPIPE problem. Populate ~30K
entries in NIS passwd database, enable nscd and then run top. In my
case top used to die with SIGPIPE pretty reliably. I've fixed the
issue locally by setting SO_NOSIGPIPE on the socket
Oops - I latched on to the wrong parts of the manpage when I was reading
and sent my first message. Thanks for pointing this out.
However:
How useful is the caching of users and groups? I still believe that for
caching DNS, BIND or another DNS server running locally or on the same
LAN is the
Users/groups caching can be pretty much useful when you have large
LDAP or NIS setup.
--
Michael
On Tue, Oct 4, 2011 at 7:56 PM, Sean M. Collins s...@coreitpro.com wrote:
Oops - I latched on to the wrong parts of the manpage when I was reading
and sent my first message. Thanks for pointing
On 10/4/11 2:02 PM, Michael Bushkov wrote:
Users/groups caching can be pretty much useful when you have large
LDAP or NIS setup.
Agreed, and forgive me for hammering you (I freely admit I don't have
any significant contributions to FreeBSD) but it would be far more
useful if it was cached
Using it since a few, almost without any problem.
Just one thing: while connected to some external intranet, nscd still try to
contact my LDAP.
So I made a few tests using sssd instead
but I'm quite disapointed: even being in my office, I often get the
'authenticated using cached credentials'
On Tue, Oct 4, 2011 at 8:14 PM, Sean M. Collins s...@coreitpro.com wrote:
On 10/4/11 2:02 PM, Michael Bushkov wrote:
Users/groups caching can be pretty much useful when you have large
LDAP or NIS setup.
Agreed, and forgive me for hammering you (I freely admit I don't have
any significant
Samuel Martín Moro faus...@gmail.com writes:
Using it since a few, almost without any problem. Just one thing:
while connected to some external intranet, nscd still try to contact
my LDAP.
Well, by default, nscd caches hits for an hour and misses for a minute.
One could imagine an option to
On 2011-10-04 19:02, Julian Elischer wrote:
On 10/4/11 9:51 AM, Dag-Erling Smørgrav wrote:
Trond Endrestøltrond.endres...@fagskolen.gjovik.no writes:
It's in daily use at Gjøvik Technical College (Fagskolen i Gjøvik),
here in Norway. Both the mail and web servers authenticates our users
by
On Tue, Oct 4, 2011 at 9:00 AM, Michel Talon ta...@lpthe.jussieu.fr wrote:
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time i have been hit is when installing some
new softs which require
On 05/10/2011, at 2:30, Michel Talon wrote:
Des wrote:
Does anyone actually use nscd?
I am using it since a lot of time. I have not experienced annoying bugs
in all that time. The last time i have been hit is when installing some
new softs which require adding some user and some group with
On 05/10/2011, at 1:50, Dag-Erling Smørgrav wrote:
I ask because when I cleaned up a slew of aliasing bugs a couple of
years ago, I believe I may have introduced a bug; I got exactly two
complaints, and neither of the complainants could be bothered to try the
workaround I suggested and report
On 10/05/11 02:20, Dag-Erling Smørgrav wrote:
Does anyone actually use nscd?
Yes, particularly for caching LDAP data.
I ask because when I cleaned up a slew of aliasing bugs a couple of
years ago, I believe I may have introduced a bug; I got exactly two
complaints, and neither of the
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