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A bug I think, HELP!

 
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leo1631



Joined: 27 Apr 2006
Posts: 55

PostPosted: Thu Nov 09, 2006 7:56 pm    Post subject: A bug I think, HELP! Reply with quote

Advanced Host Monitor 6.24 Enterprise edition + Lifetime updates.
A http test, which internal is 5 min, internal will change to 1 min if bad.
This test's info pane shows like this:
...
total tests 212
passed 211(100%)
failed 1(0%)
unknown 0(0%)

total time 17:41:05
alive time 17:35:46(99%)
dead time 00:05:18(1%)
...
This test's private log(full) shows like this:
...
2006-11-8 9:32:54 host is alive
2006-11-8 9:38:12 no answer
2006-11-8 9:39:23 host is alive

...
---------------
The PROBLEM is, I think the "dead time" in info pane should be "00:01:11", not "00:05:18", cause I change the internal from 5 min to 1 min when the test is bad, private log can prove that.
I think it is a bug, please check that.

I've autogenerated reports in HostMonitor(not log analyzer) every month, and especially shown them to my boss. The inaccurate "dead ratio" and "dead time" are deadly.
I'm crazy nearly, Please help me as soon as possible, thanks a lot.
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KS-Soft



Joined: 03 Apr 2002
Posts: 12792
Location: USA

PostPosted: Fri Nov 10, 2006 12:17 am    Post subject: Reply with quote

Quote:

2006-11-8 9:32:54 host is alive
2006-11-8 9:38:12 no answer
2006-11-8 9:39:23 host is alive
The PROBLEM is, I think the "dead time" in info pane should be "00:01:11", not "00:05:18", cause I change the internal from 5 min to 1 min when the test is bad, private log can prove that

9:38:12 - 9:32:54 = 00:05:18
9:39:23 - 9:38:12 = 00:01:11
Which "dead" time is more correct? We cannot say. Because we know server status at 9:32 and 9:38 and 9:39 but we don't know status of the system between probes. May be real dead time is 9:39:23-9:32:54 = 00:06:29? or 00:02:20? or 00:00:02?
So its impossible to provide 100% accurate report (unless you check server every second). HostMonitor takes 1st interval. Its not a bug. If we change behaviour and HostMonitor will take 2nd interval it does not change anything. Somebody else will complain.

Regards
Alex
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leo1631



Joined: 27 Apr 2006
Posts: 55

PostPosted: Fri Nov 10, 2006 3:08 am    Post subject: Reply with quote

Understand, but I insist my method.
Thanks anyway.
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KS-Soft



Joined: 03 Apr 2002
Posts: 12792
Location: USA

PostPosted: Fri Nov 10, 2006 12:20 pm    Post subject: Reply with quote

Your method is not better then ours.
I can offer more correct method for average statistics: BadTime = (Time3-Time1)/2 = (9:39:23-9:32:54)/2 = 00:03:15

Regards
Alex
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leo1631



Joined: 27 Apr 2006
Posts: 55

PostPosted: Sun Nov 12, 2006 4:20 am    Post subject: Reply with quote

You are correct, do that if possible.
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KS-Soft



Joined: 03 Apr 2002
Posts: 12792
Location: USA

PostPosted: Sun Nov 12, 2006 5:02 pm    Post subject: Reply with quote

Ok, I have added your request into "to do" list
Does anyone agree with such modification?

Regards
Alex
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AntonyP



Joined: 02 Jan 2006
Posts: 159
Location: Athens Greece

PostPosted: Mon Nov 13, 2006 1:11 am    Post subject: Reply with quote

2006-11-8 9:32:54 host is alive
2006-11-8 9:38:12 no answer
2006-11-8 9:39:23 host is alive

Atmo, dead time should be 9:32:54-9:39:23. The best way to avoid "2006-11-8 9:38:12 no answer" is to set an extra check (if no response then recheck xxx times). At least that is what i have configured and it works great!
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KS-Soft



Joined: 03 Apr 2002
Posts: 12792
Location: USA

PostPosted: Mon Nov 13, 2006 3:27 pm    Post subject: Reply with quote

So many people, so many tastes
May be we should keep it the way it works for last 5 years? So, nobody will be surprised...

Regards
Alex
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AntonyP



Joined: 02 Jan 2006
Posts: 159
Location: Athens Greece

PostPosted: Tue Nov 14, 2006 1:29 am    Post subject: Reply with quote

KS-Soft wrote:
So many people, so many tastes
May be we should keep it the way it works for last 5 years? So, nobody will be surprised...

Regards
Alex

I agree
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Steven



Joined: 16 Feb 2006
Posts: 44

PostPosted: Wed Nov 15, 2006 12:36 pm    Post subject: Reply with quote

I understand how it's impossible to be 100% accurate here. But I do like the average idea. And it doesn't seem like a lot of work to implement either. The only problem is... explaining this to ALL THE USERS who have been using this for the past 5 years..
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AntonyP



Joined: 02 Jan 2006
Posts: 159
Location: Athens Greece

PostPosted: Sat Nov 18, 2006 11:12 am    Post subject: Re: A bug I think, HELP! Reply with quote

leo1631 wrote:
Advanced Host Monitor 6.24 Enterprise edition + Lifetime updates.
A http test, which internal is 5 min, internal will change to 1 min if bad.
This test's info pane shows like this:
...
total tests 212
passed 211(100%)
failed 1(0%)
unknown 0(0%)

total time 17:41:05
alive time 17:35:46(99%)
dead time 00:05:18(1%)
...
This test's private log(full) shows like this:
...
2006-11-8 9:32:54 host is alive
2006-11-8 9:38:12 no answer
2006-11-8 9:39:23 host is alive

...
---------------
The PROBLEM is, I think the "dead time" in info pane should be "00:01:11", not "00:05:18", cause I change the internal from 5 min to 1 min when the test is bad, private log can prove that.


Well if HM support wants to change the default settings, i guess i would prefer the above, as leo1631 suggested.
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KS-Soft



Joined: 03 Apr 2002
Posts: 12792
Location: USA

PostPosted: Fri Dec 08, 2006 4:44 pm    Post subject: Reply with quote

Quote:
I can offer more correct method for average statistics: BadTime = (Time3-Time1)/2 = (9:39:23-9:32:54)/2 = 00:03:15

Done. Version 6.50 Beta available at http://www.ks-soft.net/hostmon.eng/downpage.htm
However this is undocumented option. if you want to change statistics calculations, add UseBothChecksForStat=1 line into [Misc] section of hostmon.ini file and restart HostMonitor

Regards
Alex
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