Server Load

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Server Load

Postby trucker » Wed May 15, 2013 7:39 pm

Hey

I've noticed that the server is quite slow the last time and I found out that the Server load is quite high

are you doing any maintance on it, or what is causing this overload ?

thank you very much

15_mai 2.PNG
Server Load
15_mai 2.PNG (10 KiB) Viewed 8760 times
trucker
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Re: Server Load

Postby Max » Wed May 15, 2013 9:38 pm

No maintenance for a bout 2 weeks now, what time (and timezone) was this?
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Re: Server Load

Postby trucker » Thu May 16, 2013 6:00 am

I took the Screenshot some minutes before i posted it

But 2 days ago it was about 160

i'll keep you up to date on the status
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Re: Server Load

Postby Max » Thu May 16, 2013 11:39 am

Is it always at the same time?

I remember a while back batch stats processing was causing the server load to spike at some peculiar time which was always the middle of the night for me so I never noticed until some users informed me.
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Re: Server Load

Postby trucker » Thu May 16, 2013 1:45 pm

no it's different every time and also different high effect

right now it was between 3.00 and 4.00
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Re: Server Load

Postby trucker » Thu May 16, 2013 7:21 pm

right now it's about 8

and the whole Liway Server is very slow
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Re: Server Load

Postby Max » Thu May 16, 2013 9:52 pm

Alright, I will take a good look at it this weekend.
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Re: Server Load

Postby Max » Sun May 19, 2013 5:16 am

The one last night seems to have been caused by a memory spike from resource logs. I've put in some logging on the server to help me determine what is causing that.

I'll up the resources on the VPS which holds free accounts too in the coming week.
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Re: Server Load

Postby trucker » Mon May 20, 2013 10:40 pm

thank you very much
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Re: Server Load

Postby trucker » Wed May 22, 2013 6:50 pm

22.mai 20.48.PNG
22.mai 20.48.PNG (15.77 KiB) Viewed 8733 times


can't see any performany improvement yet
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Re: Server Load

Postby Max » Wed May 22, 2013 9:59 pm

When exactly did that happen? According to server logs, load average was not that high anywhere around when you made that post.

Image

Your posting having been made at 4:50am server time.
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Re: Server Load

Postby Max » Thu May 23, 2013 12:30 am

Just got word of this, may be related.
http://cylance.com/techblog/WordPress-U ... tack.shtml
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Re: Server Load

Postby jimmybond » Thu May 23, 2013 12:20 pm

Max wrote:Just got word of this, may be related.
http://cylance.com/techblog/WordPress-U ... tack.shtml


Probably the repeated attack has caused the high load on liway's server. According to my loadavg auto-log files, at May 21 the server experienced a load peak even higher than last attack in April and impact is lower today. Maybe the wordpress bloggers on liway could make some extra security measures such as use Cloudflare or some plugins to defend this continuous DDoS attack? The DDoS has made the server significantly slow in http page response,or increasing free server's CPU/memory resource can do some workaround.
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Re: Server Load

Postby Max » Thu May 23, 2013 2:14 pm

I was just thinking that, maybe write a script to send everyone instructions on how to set up just a basic security plugin, or even do it for them.

Although that still doesn't guarantee other VPSes on the server don't cause high load, but I really need some high load logs to determine what the hell is going on :?
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Re: Server Load

Postby trucker » Thu May 23, 2013 9:15 pm

23.5.PNG
23.5.PNG (11.16 KiB) Viewed 8721 times





this serverstatus is taken one minute ago


and the Datebase of my site is offline (phpMyAdmin can connect to it), or for some reason It can't connect to database
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