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Server too busy errors?
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Mar 7, 2014, 09:20 PM
 
Been getting those the last couple days. How....
Blandine Bureau 1940 - 2011
Missed 2012 by 3 days, RIP Grandma :-(
     
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Mar 7, 2014, 11:29 PM
 
We've seen it too. Where "we" = people other than myself. It's worked perfectly on all my visits, leaving nothing to investigate. We're trying to catch it in the act.
     
Mac Elite
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Mar 8, 2014, 06:37 AM
 
Just got a few here, too... So much traffic? At this time of day? Thought it was mostly a US forum, still.
Think a new age is coming.
     
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Mar 8, 2014, 09:24 AM
 
It appears more when trying to actually post something. You hit 'submit' and you get the server too busy error. It's also hanging on 'submits' and when you click submit again may tell you that you've already posted and immediately taking you to it. For example, I had to post this very statement twice.

Happening more than half the time. I don't think it's a "visiting" thing, but a posting thing.
( Last edited by ebuddy; Mar 8, 2014 at 09:34 AM. )
ebuddy
     
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Mar 8, 2014, 12:03 PM
 
Originally Posted by ebuddy View Post
It appears more when trying to actually post something. You hit 'submit' and you get the server too busy error. It's also hanging on 'submits' and when you click submit again may tell you that you've already posted and immediately taking you to it. For example, I had to post this very statement twice.

Happening more than half the time. I don't think it's a "visiting" thing, but a posting thing.

My guess is that it is the server's 500 error message page, which can be triggered with a process running out of memory, not having enough child processes to serve requests, or a runtime error (PHP, in this case) being triggered. Usually the performance-related causes (when the server would actually be too busy) appear after a timeout, which makes me think it is a runtime issue where the specifics of the error would be logged, since they aren't being output to the browser (i.e. PHP's "display_errors" variable is disabled).

Sorry, I don't mean to play back seat admin to the MacNN admins here, just sharing some of these for those curious and interested in learning about these sorts of things based on my speculation
     
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Mar 8, 2014, 12:27 PM
 
Speculation welcome, since I still haven't caught it. Another staffer did, server load ~25 ... but only a little over 100 visitors. Either they all loaded a page at the same time, or it's a resource constraint.
     
Clinically Insane
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Mar 8, 2014, 10:59 PM
 
Happening lots and lots over here. There's some correlation with posting, but not total.
     
Clinically Insane
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Mar 8, 2014, 11:01 PM
 
Hit me immediately after the above post, so this will be a test.
     
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Mar 8, 2014, 11:02 PM
 
No problems with above post, or this post.
     
The Mighty
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Mar 9, 2014, 10:47 AM
 
I got a bunch of 502s yesterday
This one time, at Boot Camp, I stuck a flute up my PC.
     
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Mar 9, 2014, 05:19 PM
 
This may be fixed, as of a couple hours ago.
     
The Mighty
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Mar 12, 2014, 06:13 PM
 
I just got a vBulletin Database error message...

seemed like an isolated instance, but I would recommend that MacNN staff be advised that this happened as it may reoccur.
This one time, at Boot Camp, I stuck a flute up my PC.
     
Games Meister
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Jan 26, 2015, 02:09 PM
 
The doldrums of January too much to handle now?
     
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Jan 26, 2015, 06:15 PM
 
Points for an unusually philosophical and obscure complaint. January aside, I think life is still worth living. The tall buildings are not tempting at this time.
     
Games Meister
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Jan 27, 2015, 08:58 AM
 
Thread title. Been happening on and off a week or two.
     
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Jan 27, 2015, 12:38 PM
 
Server load ATM is 0.02 - have you noticed any pattern, such as time of day? Or a particular person online whenever it happens?
     
Games Meister
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Jan 27, 2015, 12:43 PM
 
A good guess would be within an hour of me posting in this thread yesterday.
     
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Jan 28, 2015, 12:36 AM
 
Webserver loads today. All times Pacific. (GMT - 8)
Code:
- wrong server -
( Last edited by reader50; Jan 29, 2015 at 12:37 PM. )
     
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Jan 28, 2015, 08:24 AM
 
I hit a short period of "Server too busy" messages on Monday. Forget what time, though.
     
Games Meister
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Jan 28, 2015, 09:07 AM
 
Yesterday was fine, as far as I remember.
     
Games Meister
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Jan 28, 2015, 02:44 PM
 
Just was down 3 minutes, starting at approx 14.41 EST
     
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Jan 28, 2015, 03:13 PM
 
right now: - wrong server -
I spot-checked yesterday, but as you can see, none of the readings were suspicious. If we can find a pattern to the times, I can kick it to the backend guys and tell them where to look in the logs.
( Last edited by reader50; Jan 29, 2015 at 12:37 PM. )
     
Games Meister
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Jan 29, 2015, 09:20 AM
 
Down again at 9.11
     
Games Meister
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Jan 29, 2015, 10:12 AM
 
Again at 10.10
     
Games Meister
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Jan 29, 2015, 10:15 AM
 
And again at 10.13-14
     
The Mighty
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Jan 29, 2015, 11:15 AM
 
Checking in, it happened last night.
This one time, at Boot Camp, I stuck a flute up my PC.
     
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Jan 29, 2015, 12:36 PM
 
My bad, I was checking loads on the wrong server.

0.96 1.00 0.84
     
Games Meister
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Jan 29, 2015, 12:41 PM
 
You son of a–
     
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Jan 29, 2015, 03:23 PM
 
More promising, but still not running away.

5.22 4.31 4.58
     
Games Meister
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Feb 2, 2015, 10:57 AM
 
Again
     
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Feb 2, 2015, 02:03 PM
 
4.87 3.41 3.49

I've been checking it on and off, but haven't seen anything suspicious yet. ie - 10+.
     
Games Meister
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Feb 2, 2015, 02:07 PM
 
It went down twice more today. Once in the past hour.
     
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Feb 2, 2015, 02:21 PM
 
Do you have the ShowIP plugin installed (or equivalent) which shows the server IP you're talking to? MacNN uses a load-balancing system, with two web-facing servers last I checked. I'm currently getting pages from 207.58.150.180 for example.

Since I'm not catching the issue, it might be helpful to note the time and server IP you get the message from. If I kick this to the backend guys to investigate, I've got to have something to give them. At the moment, I've got nada. A few days of time/server overload points would be a start.
     
Games Meister
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Feb 2, 2015, 02:23 PM
 
I'm on Safari. At work.
     
Games Meister
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Feb 4, 2015, 02:03 PM
 
9.50 and 1.50 today. I feel like they're localized around 10 and 2
     
Clinically Insane
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Feb 4, 2015, 07:03 PM
 
Just happened at 6p Central.
     
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Feb 5, 2015, 08:45 AM
 
Happening now, sporadically. 8:45am EST
"I have a dream, that my four little children will one day live in a
nation where they will not be judged by the color of their skin,
but by the content of their character." - M.L.King Jr
     
Clinically Insane
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Feb 5, 2015, 04:56 PM
 
12:55 and 3:55 Central.
     
Clinically Insane
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Feb 5, 2015, 06:52 PM
 
reader50: have you tried running iotop or iostat? Running php-fpm and upping its restart frequency (which is great for dealing with memory leaks)? Running mysqltuner? Analyzing the Apache server-status page if you use Apache? Running fail2ban to protect from DDOS attacks?

Just bouncing some ideas off of you guys...
     
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Feb 5, 2015, 09:24 PM
 
I don't have CLI access on the web servers. But I have caught excessive loads twice now, and have been logging the reports above.

Once we reach 10 instances, I plan to forward it to the server guys.
     
Games Meister
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Feb 6, 2015, 09:49 AM
 
Originally Posted by The Final Dakar View Post
9.50 and 1.50 today. I feel like they're localized around 10 and 2
9.47 – def a pattern. See you around 2.
     
Clinically Insane
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Feb 6, 2015, 09:58 AM
 
8:55 Central.
     
Clinically Insane
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Feb 6, 2015, 11:53 AM
 
10:52 Central.
     
Clinically Insane
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Feb 6, 2015, 12:54 PM
 
11:53 Central.
     
Games Meister
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Feb 6, 2015, 12:57 PM
 
Speaking of patterns, at the bottom of the hour.
     
The Mighty
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Feb 6, 2015, 01:04 PM
 
What does the ShowIP plugin give you?
This one time, at Boot Camp, I stuck a flute up my PC.
     
Clinically Insane
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Feb 6, 2015, 04:05 PM
 
Mobile Safari...
     
Clinically Insane
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Feb 6, 2015, 05:56 PM
 
4:53 Central.
     
Games Meister
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Feb 6, 2015, 06:24 PM
 
Originally Posted by subego View Post
12:55 and 3:55 Central.
Originally Posted by subego View Post
8:55 Central.
Originally Posted by subego View Post
10:52 Central.
Originally Posted by subego View Post
11:53 Central.
Originally Posted by subego View Post
4:53 Central.
That is god-damned uncanny. What do you guys have the server scheduled to do at 10 or 5 of?
     
Clinically Insane
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Feb 6, 2015, 06:39 PM
 
I've got a date with a server busy error in T-minus 13 minutes.
     
 
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