VPS Hardware Node: Too Heavy

Nov 24, 2007

I'm currently considering to enter the VPS market

I have recently acquired a nice box (2x Dual Core Opteron 275 2.2 GHz, 16 GB RAM, 16x500 GB SATA @ RAID5/6) but I'm unsure if it isn't smarter to buy smaller machines (like X2 5600+, 4 GB RAM, 2x400 GB HDD) and put like 15-20 customers on it.

Yes, I know that the hard drives are more than oversized for VPS hosting

The Opteron server will have a very, very nice I/O performance so that customers are going to have a good feeling while working on it. To refinance the costs it would of course be neccessary to put not less than 125 VPS on one box, so I can imagine that there'll be a bottle neck somewhere (CPU power I'd guess?).

What is your opinion? Big boxes with high performance and loads of customers, or small boxes with not-so-many VPS?

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Plesk Automation :: Cloud Server Hardware Node As Backup Server Node

Apr 11, 2015

We have one Cloud Server hardware node that exists only as the backup location for containers and VMs in Cloud Server/PVA (it hosts no virtual servers). Can it also serve as a Backup Server Node?

A related question, in my case, is whether we can configure a Backup Server Node to use a particular drive/mount/directory, as we can with PVA? I couldn't find any info in the docs about any settings at all for the Backup Server Node.

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How To Find Out Which Is The Heavy Loading PID

Jul 8, 2008

I have some websites running on my LINUX server now.

Not all of them are running stable commercial scripts or cgi.

In fact, our server had some records down before by some package scripts.

I only know TOP to know the current server status.

But I can not know which PID is making CPU usage high, or which website.

I think if I can check the exact site or cgi causing heavy loading. Perhaps it helps us to make our server up.

Is there a way or LINUX command to find out which PID is causing heavy loading?

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May 20, 2008

For past one week, my wordpress based blog is just dead, becasue of heavy trackback/pingback spamming(500 a minute). I've tried various plugins, but to no avail.

In addition to stop spammers before generating PHP load, I've tried all possible HTACCESS rules, but to no avail. I truly sure, I've done something wrong.

May I request the experts here to advice on how to stop this ongoing spamming?

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Under Heavy DDoS Attack ...

May 4, 2008

My website (Large Discussion Forums Site) is under a heavy DDoS attack since 3 weeks. My first host could not handle such an attack so I moved to another who claimed to have a firewall that can handle the attack, but still, the site is down.

Anyone has a good suggestion to get the site up and handle the attack? Any particular hosts that can help me?

(The Forum has its own server and does not use Apache).

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Heavy Mysql Process

Jun 5, 2008

on my top process am having this one as shown in the attachement image

its consuming time+ of 746:21:95
on the Process Manager that mysqld process is using the command

/usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/host.theplanet.host.pid --skip-external-locking

is that process normal? and what is cousing it? should i kill it?

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503 Error Under Heavy Load

Nov 5, 2007

I have a Windows Server 2003 Enterprise (32 bits) running IIS 6.0, with ASP.Net 1.1.4322. Basically it's an application and image server, that has a large amount of concurrent accesses.

Around 800 users simultaneous access simulteneously and ASP.NET app, that will request some date from an MS-SQL Server database and point the browser to image file (all at once), every few seconds (it's a live webcast applications). The server is quite robust, with 500 GB in a RAID-5, 4 GB RAM, Dual Opteron Processor.

When the users access it, the machine memory and CPU usage a low. Also it has plenty of bandwidth, since it's directly tied to a Gigabit port on the datacenter. I kept an eye on all paramenters and there is no imporant bottleneck on the hardware side.

Here is my problem: after some "images" are sent, with 800 users, the users start getting a 503 error, and can no longer access the images.

On IIS HTTPErr Logs, I found these errors to be "Timer_ConnectionIdle". I believe it has something to do with the way the Application Pool is handling all those concurrent connections. No references to it are made on Windows Logs.

I've already tried tweaking all those paramenters on the Application Pool, but no results. For example, I tried increasing the Request Queue Limit value, but that doesn't seem to make any difference.

Also, I inserted "MaxUserPort=65534" on TCP configurations on regedit. Rebooted. Also, tried turning off keep-alive and decreasing connection timeout, then a restart of the w3svc (see [url]for the explanation about this). Tried changing each parameter individually and tested. No big difference after each modification.

Has anyone ever seen this? Is there a way to get this solved? Again, this address [url] has a description of what seems to be my problem... but I didn't manage to get this solved.

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I Run A Heavy Site, And Httpd Always Failing

Apr 4, 2009

I run a heavy site, and httpd always failing...

I have a server with these specs:


I run a filehosting site actually and there are alot of people downloading at the same time which i think the server goes down and then httpd restarts itself and all the people downloading the files, their files get currupted.

How can i make it so it stays stable?

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Random Heavy Memory Leak

Mar 23, 2007

I am running a VB forum using lighttpd and ranomly one of PHP proccess is using about 80 90 % of memory ! and i should kill it manualy

i want to know how to find reason ?

Config :

Centos 4.4 32 Bit
Kernel : 2.6.9-42.0.3.EL
Lighttpd 1.3.14
PHP 4.4.6 FastCGI
xCache 1.2.0

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Nov 6, 2009

One of my Cpanel servers is showing heavy data transfer this month. In 6 days, it crossed 600 GB data transfer which is equal to what it did last month. Also, all the websites collectively have only consumed around 60 GB data transfer in 6 days. How do I find out what exactly is causing heavy data transfer?

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Hosts With HEAVY DUTY Spam Protection..

Jul 25, 2007

Are there any hosting companies that use an Enterprise strength SPAM solution such as IronPort?

We have 3-4 business websites and spam, especially within the last 6 months, has become a tremendous problem. At least 100 spam emails a day are being delivered.

Spam filters do not solve the problem - they simply put some percentage of spam in a folder, often genuine emails, and we still have to go through it manually.

Do not mind paying a premium for the hosting. Any hosts that offer HEAVY DUTY spam protection?

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MySQL Remote Connection Problem After A Heavy Usage

Aug 8, 2008

I have 2 identical Fedora8 boxes with Apache 2.2.8, MySQL 5.0.45 and PhP 5.2.4. I use one as the Web+DB server (say box A), and the other (box B) just as the Web server connecting to the DB server on box A. I use this 2 machine configuration to test a LAMP based-Web application. I have a client program on other machines that can emulate a massive web workload to these 2 servers; it can emulate hundreds to thousands of users using the application simultaneously.

Before running the test, the connection to the DB server from both boxes seem fine. Using the mysql client program on either box A or B trying to connect to the DB, the connection goes through instantly. In the /etc/my.cnf file, I have max_connections=4096 and max_user_connections=4096. Note that the web app uses one single db user to connect to the db. To allow remote connection, I inserted one record into the user table of the mysql db whose the host field's value is '%' (allow connection from all remote hosts).

After running the test (which I found out that many requests sent to box B failed), mysql client program on box A is still able to connect to the db instantly; but the one on box B has a problem: it takes extremely long (5 - 10 minutes or even more) to establish the connection, it doesn't time out, just takes that long. I believe that's the cause for the failure of requests to box B.

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Consuming Heavy Bandwith Upto 2000 US$+ Per Month

Jun 14, 2008

We are facing a very problematic situation since last several months due to accessive bandwith usage. But we are sure this is only local traffic.

We have 2 Servers with our hosting provider
Server A - this is a VPS
all our webfiles/domains/dns/nameservers reside on this server

Server B - this is a dedicated server
contains only databases

(we are actively running vbulletin based forums on this servers)

Since last several months we are facing huge bandwith increase since we have transferred only our databases to Server B. (earlier database + everything was on Server A) We never ever consumed even 50% of the entire allocated bandwith in past when we were on Server A.

But only after moving the database from Server A to Server B we have found this tremendous increase,

Can we do something about same ? as both the servers belong to same hosting provider.
We are not sure but expect that this is only local network traffic between 2 servers.

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Consuming Heavy Bandwidth Upto 2000 US$+ Per Month

Jun 14, 2008

We are facing a very problematic situation since last several months due to accessive bandwith usage. But we are sure this is only local traffic.

We have 2 Servers with our hosting provider
Server A - this is a VPS
all our webfiles/domains/dns/nameservers reside on this server

Server B - this is a dedicated server
contains only databases

(we are actively running vbulletin based forums on this servers)

Since last several months we are facing huge bandwith increase since we have transferred only our databases to Server B. (earlier database + everything was on Server A) We never ever consumed even 50% of the entire allocated bandwith in past when we were on Server A.

But only after moving the database from Server A to Server B we have found this tremendous increase,

Can we do something about same ? as both the servers belong to same hosting provider.
We are not sure but expect that this is only local network traffic between 2 servers.

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Node Ram

Nov 7, 2009

i'm a vps provider and i'm using this server for vps host

Dual CPU Xeon 5420, 24GB Ram, 1TB HDD
24GB of Ram

and now i see the used ram is un normal

[root@216-19-200-162 ~]# free -m

total used free shared buffers cached
Mem: 24064 23865 199 0 541 19509
-/+ buffers/cache: 3813 20251
Swap: 4094 0 4094
[root@216-18-201-162 ~]#

the free ram us 199 of 24GB!

every time when i reboot the server the used ram back normal but after per hours the issues back again

i have contacted the DC and they say that there is no problem with there hardware

the number of vpses in that node is 7 and all the vps have a limit ram.

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VPS Node

Mar 6, 2009

I want to build a VPS Node using Quad Socket Tyan Motherboards and AMD Opteron 2376 Shanghai 2.3 GHz Processor (Quad Core).

I am in doubt since I notice that some providers (at least two rather big provider which I have account) are using Dual Core AMD Opteron 2212.

Is there any specific reason why those providers is not using 2376 AMD Processors? .. is it because the Dual Core AMD Opteron 2212 supports Virtualization Technology, while the 2376 is not?

I will use Xen Hypervisor, usually I use Intel 54xx Processors but looking for *cheaper* solution , so I am really new in AMD Base Server.

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VPS Node With SAN

Oct 22, 2009

I build raid10 for VPS nodes. Now, I will use SAN, so all VPS will be created in SAN. With the host server, I assume that I don't need fast disk array, because all the disk requests have been processed in SAN already?

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30 VPS's Per Node

Oct 18, 2009

For a quad core processor with 16-32GB RAM and SAS raid 10, would 30 VPS's be a lot?

I have a VPS with 1Gb RAM on a machine as above. I'm running about 40 (relatively low-volume) websites on it. Seems to me that if 30 others were doing anything similar, that would overwhelm a single machine.

Am I just making an uninformed bad assumption? So far, performance on my VPS has been fine.

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What Type Of Node Would You Rather Be On

Mar 6, 2009

Well the age old question for virtual servers, would you rather a host put all his eggs into one basket "monster node" or several smaller ones. From a provider standpoint one server is easier to manage than several, although if that one goes down, all your customers do with it. Lower costs for the provider, s/he can then pass the savings along.
Example Package:"2GB Ram Packages, 500GB bandwidth, and 20GB space."

The "EXAMPLE" Specs.

All in one

Max Clients: 126
4U Rackmount,
4 Quad Cores, "16 total cores"
256GB DDR2,
8 600GB SAS 10k,
Several Server setup:
Max Clients: 14
1U Rackmounts,
Single Quad Core, "4 cores"
32GB DDR2,
2 300GB SAS 10k,

If you could tell me why you picked either or.

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Node Load

Oct 16, 2009

i have a very high load in my node every time i monitor the load i see load average: 8.19 and some times it's go up to 60 - 80

i'm using this server

Intel Core2Quad Q9650
Ram 8GB
Bandwidth: 10000gb
Hypervm Control Panel

and there is only 6 vpses ....

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How Can I Add Ip Addresses To Node

Jun 19, 2009

i'm using hypervm/openvz

and i have the main package of ips which i have received from datacenter

i orderd other package ips (13) ips

i have add them to ip pools in hypervm and it didn't working

Note : netmask are different for the first ips and the second ips

when i create vps i can't login and when i ping ip it didn't ping ( requested timed out )

i have one server from softlayer and the other from limestonenetworks
when i order additonal ips from softlayer it works proberly .. now when i orderd those ips from limestonenetworks ; i think it must be modified manually

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To Set Configuration Node

Apr 14, 2009

i have node 16 cpu AMD 64 gb ram HDD sas 15 with raid 10 /hypervm + openvz i host 10 vps
my problem when any vps load go over 2 the Node load go to 30 - 40 some time 100 i set CPU UNITS , Number Of CPUS and Cpu Usage for every vps but the load in node is go up

how i can set limit in vps and prevent from effect on load Node?

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Recomendations For A UK VPS Node

Jun 13, 2008

GeekLayer is looking in to expanding in to the UK - We want to offer VPSs in the UK, but to be honest, I have no idea who people consider the SoftLayer of the UK hosting industry - Who has the best rep around WHT with reasonable(ish) pricing for something like a core2quad with 8gb ram and 2tb+ bandwidth?

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So What Exactly Can Take Down An Entire Vps Node

Jul 21, 2007

I figure while I am twiddling my thumbs here waiting for my host to tell me what the heck happened for the second time in two or three months why they have to do an entire VPS hard restart, which of course causes another hour of fck delays, that I'd ask some of the more skilled and experience folks here, how?

Just before it happened, as I was watching, the load shotup over 1, 2, 4, 20, 30 boom. (I opened a ticket at 4)

Shouldn't virtuozzo always guarantee a certain amount of cpu and bandwidth to the node root? Why do they have to hard reboot and not access it directly and stop the badly behaving vps? Better yet, why isn't the badly behaving vps stopped automatically by virtuozzo?

(oh and am I an idiot for putting up with over two hours of downtime?)

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Best Options To Run Quality Node ?

Sep 22, 2009

I'm reseller vps, and now i decided to run own node, and sell vps, i choosed VDSMANAGER control panel, because virtuzzo is expensive.

Please help me to choose best options to run best and quality node,

VDSManager or VEportal ? (good optios&security&support&...)

XEN or OPENVZ ? (uutil now OPENVZ best for run static and dynamic site, but on xen can be run vpn & shoutcast & windows & linux & ...)
Hard ?

can i use load balancing for vps node ?
how many vps can be run on this node ?

Core2Quad Q9300
500 GB HDD

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32 Bit Xen Guest On X86_64 EL5 Node

Oct 18, 2009

Let's make this straight,

I have this vps,which is pending cancellation in a few days.
Hardware Node = EL 5 x86_64,
Vz = Xen

I asked my provider for 32 bit centos, I even rebuilt it, but my "uname --all" still


Linux xxx.xxx.com 2.6.18-128.1.10.el5xen #1 SMP Thu May 7 11:07:18 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

so I opened a ticket asking about the vps arch.
The provider have told me that to run a vps 32 bit guest, what you have to do is (?)

yum clean all
echo i686-redhat-linux > /etc/rpm/platform

so yum will exclude any x86_64 packages.
The provider has told me also that my "uname" display x86_64 because the hardware node is 64 bit. Is this true ?

I'm no linux or vps guru, but that's doesnt feel right at all.
This has cause me some issues especially with kernel-headers and some program failed to compile.

So, is it possible to run a 32 bit OS as xen guest inside 64 bit node?

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VPS NODE Stress Testing...

Apr 1, 2009

I want to know if there is a set of tools or a linux distro that I can use to create several Virtual Machines and make them use up all their allocated Memory/CPU to the max to see how much the VPS Node will hold.

I do this on Windows easily as I overclock my PC at home. But in linux, no idea. I need something that will do iterations like Prime95 or SuperPI.

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IP Pools In HyperVM Node

Jun 29, 2009

I had 3 IP pools in HyperVM node. I removed (deleted) 2 pools completely because I had an error trying to create a VPS, told me the IP was being used by someone else. So I deleted the pools completely and I see they still ping. I did a tracert and the IPs come to my server so i know nobody else is using them or that they were assigned to somone else. I rebooted the server and while it was in the process I tried to ping the ips and they didn't respond. When node came up, the ips started pinging again. How can I manually remove the IPs so that my server doesn't respond to the pings and I can add them to the pool and use them correctly.

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Main Node Load

May 18, 2009

My main node load average is:

load average: 485.91, 482.41, 481.80

And its very high!

I checked all vps load is below than 3

So, why main node load is very high?

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AquariusStorage - Riddler Node Down

Apr 9, 2009

My VPS wen't down around 9am (Pacific) this morning, send a ticket in and have not heard anything back. Trying to start it from HyperVM results in:

Alert: no_kernel_support_for_openvz_check_if_right_kernel

Not sure if this is an issue on my side or on the entire node, haven't seen any threads regarding it yet so thought I'd make one. It's been about 4 hours now and my ticket hasen't even been updated yet. Just wondering whats going on...

Ryans usually been on top of everything whenever something happened so I'm going to wait a few more hours before calling them.

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Apr 30, 2008

I mistakenly ran ELS script [url]inside the NODE in root mode instead of inside the vps container I was intending to run the script in, and everything basically stopped working - even after a hard reboot.

No vps's load, no sites work. The vzagent is not pinging. Cannot connect via VZMC as a result.


The following error(s) were detected:

Most likely your service Virtual Private Server is down or you have entered invalid host address.

I stopped the ELS script at the mytop install yes/no step. I selected yes for all previous install options EXCLUDING apf and bfd. I did a yes on sysctl.conf hardening, disable register globals, chmod dangerous file folder (which probably caused the problem).

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