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3 phantom visitors [message #18547] Thu, 27 May 2004 08:36 Go to next message
math_adm is currently offline  math_adm   France
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Hi there

I noticed that for a few days, 3 "people" have continuously visited my forum. This the message I get:

Il y a 1 membre(s), 0 membre(s) invisible(s) et 3 invités(s) actuellement sur le forum.   [Administrateur]  [Modérateur]


I know for a fact that they are not real, and have not been acting for days...

When I click at "show what the others are doing, I get

Utilisateur	Action	Heure	Dernier message
Personne anonyme 	Regarde le profil de (...) 	18:11:11 	n/a
Personne anonyme 	Parcourt la liste des forums 	17:10:30 	n/a
Personne anonyme 	Parcourt la liste des forums 	20:10:41 	n/a


(I just replaced the name of a user by (...))

I suspect this is a cache problem again. The cache age in the global config pannel is set to 0 but...

Any idea ?

BTW, real visitors (logged in) do appear correctly.

One thing interesting is that the profile the first fake visitor is looking at is the profile of the "last registered user" at the time this was broken (cf my thread entitled "last registered user screwed up"). In the meantime I had solved the problem by resetting the cache_age field in the stats_cache table of the database and set the "cache age" parameter in global config pannel to 0 in order to deactivate the cache completely.

Running the consistency checker does not help.
Re: 3 phantom visitors [message #18550 is a reply to message #18547] Thu, 27 May 2004 12:51 Go to previous messageGo to next message
Ilia is currently offline  Ilia   Canada
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Anon visitors you are referring to are not the result of a cache but rather results of search bots & caching proxies.

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Re : Re: 3 phantom visitors [message #18551 is a reply to message #18550] Thu, 27 May 2004 13:04 Go to previous messageGo to next message
math_adm is currently offline  math_adm   France
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I understand, but why are they not disappearing after some period of time ? They are always 3, and doing exactly the same thing...
Re: Re : Re: 3 phantom visitors [message #18552 is a reply to message #18551] Thu, 27 May 2004 13:08 Go to previous messageGo to next message
Ilia is currently offline  Ilia   Canada
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They are not disappearing because the search engine is still browsing the site... I don't know why 3, the "show what the others are doing" displays real time data and is not cached.

The one thing to keep in mind is that old sessions are only being cleared when someone accesses the login form.


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Re : Re: Re : Re: 3 phantom visitors [message #18553 is a reply to message #18552] Thu, 27 May 2004 13:33 Go to previous messageGo to next message
math_adm is currently offline  math_adm   France
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Ilia a écrit le jeu, 27 mai 2004 09:08

They are not disappearing because the search engine is still browsing the site... I don't know why 3, the "show what the others are doing" displays real time data and is not cached.

The one thing to keep in mind is that old sessions are only being cleared when someone accesses the login form.


There must be something else to it. They have been displayed for days, and I have a feeling they won't go away. Temporarily (1min) disabling the forum does not help. This must be some kind of artifact in the database don't you think ?

And they won't go away even if I logout and relogin (be it as admin, moderator or simple member).

[Updated on: Thu, 27 May 2004 13:34]

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Re: Re : Re: Re : Re: 3 phantom visitors [message #18554 is a reply to message #18553] Thu, 27 May 2004 13:42 Go to previous messageGo to next message
Ilia is currently offline  Ilia   Canada
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I do not think this is an artifact of the database. It's a simple matter of having entries in the sessions table who's age is > then current_time - LOGEDIN_TIMEOUT * 60 value.

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Re : 3 phantom visitors [message #18555 is a reply to message #18547] Thu, 27 May 2004 13:53 Go to previous messageGo to next message
math_adm is currently offline  math_adm   France
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I think the origin of the problem is the same as when I had the stats_cache that was never rebuilt due to some wrong clock at some point. In which table/field of the database could I read these sessions' age ?
Re: Re : 3 phantom visitors [message #18556 is a reply to message #18555] Thu, 27 May 2004 13:56 Go to previous messageGo to next message
Ilia is currently offline  Ilia   Canada
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The sessions (ses) table, the field is time_sec.

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Re : Re: Re : 3 phantom visitors [message #18571 is a reply to message #18556] Fri, 28 May 2004 07:34 Go to previous message
math_adm is currently offline  math_adm   France
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I'm unable to test this because I do not have direct access to the database on the server. When I import the data into my local test forum under easyphp, the phantoms do go away...

I'll have to ask the person in charge of the sever...
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