[Catalyst] Slowness on test server caused by reverse DNS lookups

[Marcello Romani]

Marcello Romani ha scritto:
> Wade.Stuart at fallon.com ha scritto:
>>
>>
>>
>>
>> catalyst-bounces at lists.rawmode.org wrote on 05/30/2006 08:51:53 AM:
>>
>>> On 5/30/06, Marcello Romani <mromani at ottotecnica.com> wrote:
>>>> I had a problem that is possibly related to this: when trying to access
>>>> the local test server, the browser requests seemed to reach it only
>>>> after a rather lengthy delay (5 seconds or so), but if I disabled the
>>>> LAN interface everything was instantaneous.
>> Also the default timeout for a DNS reverse lookup on all platforms I am
>> aware of is at least 25 seconds.  If you are seeing 5 second delays this is
>> probably some other issue not DNS.
> 
> Now that you mention it, the delay was more like 30 secs than 5.
> 
>> If you are seeing 25 -> 60+ second delays you may add an entry for your IP
>> address to c:\windows\system32\drivers\etc\hosts or /etc/hosts for your IP
>> ( take a look at /etc/nsswitch.conf or its variants too to make sure files
>> is listed first) -- that should take care reverse/forward dns timeouts for
>> testing.
> 
> Thanks for the info. Unfortunately, as I said in another post I don't 
> have that machine and that code anymore. ASAP I'll do some tests with a 
> fresh noop catapp.
> 

Unfortunately I couldn't reproduce the bug on my current ws. It could 
have been due to some sort of network misconfiguration on that machine I 
don't own anymore...

>>
>>
>>
>>> Under Windows, something like this (i.e. an annoying delay) happens
>>> when you're running the builtin server with "-k" and using IE as the
>>> browser. Unfortunately, if you don't use the "-k" option, IE doesn't
>>> play nice with it and everything blows up. But this shouldn't have
>>> anything to do with LAN interfaces, at least in theory.
>>>
>>> If you're ever able to test under these same conditions, it would be
>>> nice to know if the problem was also present when using FireFox as the
>>> browser.
>>>
>>>
>>
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>>
>>
> 
> 


-- 
Marcello Romani
Responsabile IT
Ottotecnica s.r.l.
http://www.ottotecnica.com