VPS, Colocation, & Memory

Jan 21, 2009

I'm looking to consolidate a half dozen hobby sites as well as one primary business venture website into one hosting account (1 main, 5 or 6 add-ons). I want to make sure I don't short change myself in the hardware department and I'd appreciate your opinions.

I have a few shared hosting accounts, but I refuse to give any more money to my current host as they have proven time and time again to be incompetent. (harsh, I know, but there's a long history behind that statement)

Anyway, I do have options, but I have no idea which way to go at the moment. Any thoughts you have would be greatly appreciated.

The primary site is a niche search engine with about 100 to 200 visitors a day, and a database of a few hundred MB which I will aggressively grow once I move to a new account/hardware. I want to make sure I have enough processing power, memory, and whatever else is needed to ensure the database queries are pretty quick. On shared hosting, I have waited 20 or more seconds after hitting the "Search" button to get the results, and that's 20 seconds too long.

I have 2 PE2650 machines at my disposal, 2 procs each (3.2 I think), approx. 10GB memory in each. I thought of running from home on my ISP business account, but I feel I will just be setting myself up for another needed change 6 months to a year down the road.

My other options are VPS hosting and colocation of one of the servers (or both). If I put my server(s) in a datacenter, I will have to manage, which is fine since I have the resources to help, but the machines are only under warranty for another 6 months. They are getting older, but if I could get a couple years out of them, I'd be happy. I could also use one and have the other for parts if needed. If I choose to rent a VPS, I'm really not sure how much memory I would need to keep the database queries returning results fast. Seems like the plans are cheap enough, but offer nothing for memory, so you have to virtually double the price of the plan with add on memory.

I don't have a set price range yet. I wanted to see what everything costs and what I need exactly first before deciding which route to follow. Obviously, the cheaper the better as long as it doesn't compromise performance and/or customer service.

So what I'm really wondering, other than your thoughts on VPS and/or colocation is, how much memory do you think you'd need to run cpanel and a database for a search engine that will probably grow to operate at 5 to 10GB within the next year.

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Cpanel VPS - Plenty Of Free Memory, But 'committed' Memory Exceeds VPS RAM

Jun 12, 2009

I have a VPS. And have had an issue both when it was 1Gig and now I recently downgraded it to 768m, because I am moving some sites to a dedicated.

However, the part I am having trouble grasping is that when I look at graphs from Munin, it will typically always show 200-400MB free memory (and free -m and top agrees with munin), but Munin shows 'committed' memory that is above the total Ram on the VPS and once the 'committed' ram exceeds the VPS limit, processes start failing.

So, why is 'committed' memory exceeding the RAM on my VPS, when Munin, free -m and top all show there is free memory available?

Code:
root@server [~]# free -m
total used free shared buffers cached
Mem: 768 449 318 0 0 0
-/+ buffers/cache: 449 318
Swap: 0 0 0
Here's a graph that munin produces that shows the 'committed' memory exceeding the total memory.
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Memory Usage :: Put More Content Into Memory?

Jul 16, 2009

I just got a new server Dual E5520 with 6GB RAM, SAS 15k rpm raid10. It's running well. However, the memory usage is just around 2.5GB, even when I have more traffic. Here is the kernel info

Quote:

# uname -a
Linux server2.[url]2.6.18-128.1.10.el5 #1 SMP Thu May 7 10:35:59 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

Any idea that we can put more content into memory?

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I'm Missing 7 GB Of Ram: Installed Physical Memory 8 GB / Total Physical Memory 1 GB

Apr 4, 2009

I just ordered a server from serverbeach that should have come with 2 GB but I see that this one comes with 8 GB

Unfortunately, I seem to be missing 7 GB of ram.
Installed Physical Memory: 8 GB
Total Physical Memory: 1 GB

Windows 2008 Server Web 32-bit

Now, being a 32-bit system, I should see 3-4 GB of ram right?

Any idea why only 1 GB is available for the OS?

[url]

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512MB Memory VPS... Out Of Memory Already

Oct 1, 2009

I have a 512mb DV server with Mediatemple, which I am running 24 (ish) domains off (most of them static websites) and a teamspeak server. I would say MAX theres 10 users online at a time)

Now, I know its running out of memory because i get frequent QoS Alerts in plesk (kmemsize is apparently the memory size):

Oct 01, 2009 11:52:57 AMBlack zonekmemsize

I have attached my results (when I did top).

My questions are:

1. Should I be expecting to be out of memory running what I am?

2. Is there a way to see the problem domains (memory wise)?

3. Are there any ways I can reduce the memory? (I have followed this already:
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4. Where is the memory usage coming from (I am finding it very hard to understand TOP)

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44U+ Colocation Value

Oct 4, 2009

Is there a "premium" for colocation space in cabinets which are taller than 42U? I'm putting some cabinets into a datacenter cage, which I will lease to 3rd parties as colocation cabinets, and there is plenty of height below the ceiling (about 290 cm). I could put in 42U cabinets, but I could go taller, up to about 48U.

The cabinets will have about 10 kW delivered to them (8 kW usable per cabinet), but the UPS is sized for an average load of 5 kW per cabinet. Cabinet depth is 1200 mm. There will be cable tray 10 cm above the cabinet.

If you were going to colo 5 kW of equipment (average) per cabinet, would 48U cabinets have value to you over 42U high cabinets?

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Colocation UK

Jan 20, 2009

I found a couple of phrases mentioning them here on WHT, both praising and negative. Can't make up my mind.

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UK Colocation

Aug 23, 2009

I'm soon going to purchasing a rack server from Dell, and have been looking into the options of basing it within the UK, as it seems best.

I've looked into the Rapid switch data centre in Berkshire, aswell as Blue square in Maidenhead.

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US Colocation?

Jun 13, 2009

I'm with is looking to colo 2 x 1RU servers in the US, so looking for suitable colo facilities.

We definitely want to buy, own and manage the servers ourselves, so we're after colo & bandwidth, not server rental.

As we're new to colo in the US, any advice or recommendations would be greatly appreciated.

Servers will be 2 x quad core CPU, 8GB RAM, 2 x SAS HDDs, 1 x PSU, so we'll obviously need a facility able to provide the required power at a reasonable cost.

We'll need 4 network points, 2 for each server (1 Internet, 1 LOM).

Bandwidth wise, we're expecting to start with low demand, but grow steadily over the next two to three years.

Ideally we're after flat rate bandwidth in the order of 512Kbps - 2 Mbps, aggregated across the network points, with no excess usage charges.

95th percentile billing is also an option, but less preferred - we'd much rather know we have a fixed monthly OpEx, instead of the unpleasant surprise of a large excess bandwidth bill!

We're happy to look at other bandwidth options, so long as they provide a fixed monthly cost, and let us scale at a reasonable price, as we need it.

We'll like a /28 of IP space - 8-10 usable, but may be able to get away with a /29 if it's the make or break decision.

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Colocation In NC

Sep 17, 2009

I am looking to colo a 1U server in a DC in North Carolina. I would need a 10Mbit line un-metered or a metered 100mbit.

I could negotiate on the bandwidth if its not possible in NC .

I have been researching for a while and the DCs here are very very expensive so far...

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US Colocation

Oct 9, 2009

I've recently acquired a 1U rack mount server from eBay. I believe it kicks some butt...and now I am thinking about looking for a colocation provider to host it for me.

It's for my own websites, not web hosting or storage. I don't need any sophisticated control panel, as I've pretty much made my own. I only need enough IP addresses to have my own name servers and one for all of my websites (I don't need each site to have a unique IP). I don't need any management help as I can manage my own servers. A simple data center control panel with the ability to hard reboot my server would be nice.

However, if the provider charges anything above $70-$80, I can just rent a dedicated server for around the same price. I know the dedicated server would not have the same features and hardware as my server, but if I'm providing the server, why should I be charged the same amount as if they were providing me with a server?

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DNS And Colocation

Apr 22, 2008

I'm trying to figure out my whole DNS situation now that I switched over to colocation. I have 2 servers, one hosts multiple sites and the other is just a backup.

I'm not sure what to do with DNS hosting. I could either host my DNS on both the servers (ns1,ns2 main server ns3,ns4 backup server). Does this mean if the main server goes down (ns1,ns2) it'll start using ns2,ns3? If so, can I just have ns2,ns3 point to my backup server IPs and traffic will just resume on the backup of the main server goes down?

If I go with a service like DNSMadeEasy.com, can I just point my main domain's name servers to ns1.dnsmadeeasy.com, ns2, ns3, etc.. and then point all my other domain's name servers back to my main domain OR would I have to point all my individual domains to dnsmadeeasy's name servers?

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New To Colocation

Jan 8, 2008

I have several servers on datacenters.

I was wondering, I always did, that is would be so much nicer to own the hardware. I looked for colocation prices in the past but the prices where allot higher then to rent from a datacenter.

Is this really so?

Is best to buy the hardware and send it to a colocation service or to rent a specific harware.

The colocation prices are normally per Mbit, that means there is not montly GB limits, you can go as fast a the switch allows?

How can you test if you are really getting the speed, any guarantee.

Also what happens if a hard disk fails? Do you have to buy one on overnight and send it to the datacenter? They will charge you for installation i suppose.

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Colocation In The UK

Jul 1, 2008

We are looking for reviews of colocation companies offering quarter racks at BlueSquare, or another data centre in the south of England. We are based in Dorset and as far as we can tell the nearest data centres are in Bournemouth (not open yet), Southampton (don't know too much about those) and Maidenhead (BlueSquare, where we currently colocate a couple of 1U servers).

Companies we have been considering are connexions4london, a1isp and netrino but we are a bit short on information about their reputations. Reliability is the single most important thing to us, we are not necessarily looking for the cheapest, but for somebody with a good history of service level.

Can anybody tell us about their experiences with any of these companies? I heard about some trouble with Netrino last year but nothing recent, and also a that a1isp use netrino, can anybody confirm or deny that? We have also spoken extensively with connexions4london but we would have to sign up for at least a year - which we would be happy to do if we knew their service was great.

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Colocation

Jan 29, 2007

I have a few questions which I'd like answered if possible.

Firstly, I understand 1U is the space in the rank etc etc -- my question is, does one server usually fill up one 1U?

What is meant by premium bandwidth? is that a type of bandwidth charge? is there any other types?

What is meant by 5mbps?

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What Is Colocation?

Jun 7, 2008

could anyone explain to me what colocation is?

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Colocation

Jul 14, 2007

with a decent article as to what colocation is? I have been looking and havn't been able to determine it. I'm trying to do some research as to why my web host is being .... difficult.

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Colocation 1U For $100/mo

Oct 24, 2007

I've been noticing always that colocation seems to be much more expensive then with leased dedicated servers, especially when it comes to the A). connection size and B). transfer bandwidth given to you. So has anyone seen good colocation pricing (anywhere in the US or Canada) that has these specs? Leased dedicated servers are at these low of prices, so why not colo?

1U Server around $100 to $150 /mo: 1000-2500 GB (or unmetered) Bandwidth Transfer each month
10Mbps or 100Mbps connection (not 1Mbps).

Anyone seen any $500 to $1500 /mo. for a full cabinet with these specs:

Full Cabinet / Rack (20 Amps or 40 Amps): Unmetered Bandwidth Transfer each month
10Mbps or 100Mbps connection (not 1Mbps).

When dedicated server places like softlayer say that your server is on 10Mbps or 100Mbps, does this mean it is 10Mbps shared among many servers or is it dedicated with your server? Many colocation facilities quote prices with 1Mbps dedicated for the prices I mention above.

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Colocation In AMS-IX

Jul 24, 2007

I've been using dedicated servers for past 2 years.

I'm a Usenet reseller moving to setting up Usenet Provider.

For Usenet peering with two residents in AMS-IX, I probably require a cross-connect, require at least 4u space with at least 50Mbit. All I can find is companies like Ohtele.com and true.nl who have a "presence" there with IP transit, what exactly does that mean? If I wanted a cross-connect to an AMS-IX resident, my server(s) must also be in that datacenter, correct?

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What Is Colocation

Nov 6, 2007

Lately I hv found many reference on colocation. What is meant by that?

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Getting Into Colocation

Feb 22, 2007

A friend of mine gave me a brand new machine he got from work. Its a medium sized desktop case, p4 2.8ghz, 1.5GB of ram, and 2x 40GB IDE Hardrives. Its not anything special, the ram is DDR and the proccessor is the old socket 478.

I am thinking about co-locating this machine. My home computer has much better parts then it so it is useless to keep at home. I already have a laptop as well as my PC so I don't need a second computer at my home either.

I have looked at some co-location prices, sent out a few emails and it looks more expensive then getting a dedicated server from the company. I thought co-location was cheaper then a dedicated server, but it seems like I am finding different.

This server is going to be used to host a few websites of mine, as well as be used to host a gameserver or two. I don't have a problem being a system administrator, I am currently managing my VPS as well as my friends dedicated server.

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New To Colocation

May 3, 2007

I am hosting a commercial website that is consuming about 1.5Mbp/s of bandwidth on a monthly basis (95th. %). The site consists of (6) 1U Dell servers. I am currently seeking a colo provider in the downtown NYC area where I can rent a 1/4 rack. I am looking for a very reputable provider, but don't necessarily need the "gold standard" in colo providers as cost is definitely a factor.

My questions are as follows:

1. What is the general range of pricing that I should expect for a 1/4 rack at say 2Mbp/s of bandwidth? I have been getting quotes from around $500 to $1000, but wansn't sure exactly how to evaluate them.

2. Do I need to purchase a rack-mount keyboard/monitor drawer, or does the colo facility usually provide a cart or similar?

3. Is is better in the long run for me to provide my own firewall/vpn solution or is this something that the colo facility would typically provide for me?

4. With regard to DNS, is this normally a colo provided service or am I better off using a 3rd. party service. If the latter, any recommendations?

5. Any recommendations for quality colo providers in the downtown NYC area?

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UK Colocation

Mar 16, 2007

I currently have Dedicated servers here and there with different companies but one of my sites is out growing its current setup and is growing at a rapid rate so its going to get expensive to run if i just have multiple dedicated servers so I have started to look into colocation.

The down side to colocation for me or from what I have seen is Limited Support compared to dedicated support.

However I do pay a company that will help me with the upkeep of my servers and will advise me on what I need so really now im looking at prices.

To start with I will be looking to host:

2X

Dell PowerEdge 1850 1u
2x Xeon 3.4hz 1m cache
2gb Ram (2x 1gb dimms)
2x 146gb U320 hot swap drives
Raid
CD Drive
Floppy Drive
2x Gigabit Ethernet

**Anyone have a price on a server same spec as above?**

Now I would prefer to find someone who provides the following but if not then could point me in the right direction to purchase:

(Hardware must be able to handle atleast 8 servers of the above spec as I see me expanding to this within 6 months to 1 year)

Switch
KVM
Remote Reboot
Firewall

**Anyone have a price on the hardware above? must handle atleast 8 servers**

Bandwidth - 100mbit

I would say I would like around 2,000gb bandwidth per server

So to start with that would be approx 4,000gb as I would be hosting 2 servers.

Support:

I would like to try and find a host that offers a fair amount of hardware support

I think for the moment thats about all im looking for advice / prices on.

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What Exactly Is Colocation

May 28, 2007

what colocation is? I know its cheaper than a box but what happens if you purchase this?

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UK Colocation...

Oct 17, 2007

Can I have some suggestions/recomendations of colocation facilities in the Reading area or more generally in Berkshire?

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Colocation

Feb 21, 2007

I got an old 1u rackmount server off ebay to use as a home server for some small programs and to test on. Its a Compaq DL360 G1.

CoreNetworks has 1u colocation with 1 TB of bandwidth, remote reboot, and IP KVM access for only $17.95 a month. I was thinking about getting this when they start selling it, but this would be my first server to colocate and I had a few questions.

The server came with rails to mount it on, but would I need to send these also? Or would the datacenter provide their own rails? The server has screws on each side to attach to the rails.
Picture: here

Also, would I just need to pack up the server and ship it? Nothing else is needed?

I know these questions probably seem silly, but I'm new to colocation.

(And please don't post about how they could never sell colocation for $18. I'm not asking about the company )

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Colocation

Jul 2, 2007

I just got a free 2U Dell PowerEdge 2550 server, and I'm thinking about colocating it. A buddy of mine got three for free and offered me one. Of course I took it .

I've had a few dedicated servers in the past with Sagonet, but I'm totally new to colocation. I'd imagine that colocation is cheaper than getting a dedicated server since I'm providing the hardware, but after doing some preliminary research, this doesn't seem to be the case.

I'm a college student, so probably the most I could dish out would be $50/month. I'm not sure if this is even possible. I'm looking for a data center in the MA/NH area.

Anyone have any advice or suggestions as to a data center or reseller where this may be possible? I certainly don't want this server to go to waste sitting in my basement.

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VPS Memory

Jun 19, 2007

I am hoping someone with experience of these things can comment on memory usage on my VPS partition. The master server on which my partition sits seems to be running at full memory usage and I'm getting lots of fork and mutex errors in apache causing apache to crash several times a day.

I'm running Invision Power Board on there with an average of 100 users in the last 15 mins during most of the day.

oomguarpages and privmpages are reported in 4KB blocks.

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More CPU Or RAM Memory?

Jun 18, 2009

Hello everyone.i run LAMP on a dedicated server at theplanet.I have a small vbulletin forum.

I m planning to move to a new server.Just a quick question.for my new hardware,do i give more emphasis to ram or cpu...i will be getting 2 gb at the minimum.

SO,is LAMP dependant more on cpu resources or ram?

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Xen Using More Memory

Jun 25, 2009

I previuosly have a forum hosted on a VPS with a 512 MB RAM (OpenVZ) and at that time it was only using 300MB of ram during peak time but the server was always down due to harware failures so I move to a new host this time Using Xen with a 768 RAM now it is using all the RAM available which is double the ram that it uses before. Is it really normal for a XEN vps to consume more memory than on a VPS using OpenVZ?

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Memory And Cpu

May 4, 2008

today I recieved an email from my server saying:

Drive Space Critical on server
Drive Critical: /dev/simfs (/) is 91% full

When i check the whm I see

cpsrvdfailed
exim (exim-4.68-1_cpanel_maildir)up
ftpdup
httpd (2.2.8 (Unix))up
imapup
mysql (4.1.22-standard)up
named (9.3.3rc2)up
popup
Server Load0.11 (2 cpus)
Memory Used38 %
Swap Used0.00 %
Disk /dev/simfs (/) 91 %

what i dont understand is where did it go. I dont really have much traffic and nothing was uploaded or downloaded. I dont have any automatic backups enabled. How do I get it back to the normal 40%

I do notice i have alot of cpu usage
Top Process%CPU 77.4gzip
Top Process%CPU 76.2gzip
Top Process%CPU 75.9gzip

Which is also confussing to me because I am the only user. I didnt do any backups didnt have any major traffic. And my disk space "memory used" didnt change.

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