Capacity planning is the science and art of estimating the space, computer hardware, software and connection infrastructure resources that will be needed over some future period of time.

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First Exchange 2013 design for on-prem SMB. Did I miss anything?

Seeing as this is my first design, I'm hoping to make sure I haven't missed any glaring issues before deployment.
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0answers
10 views

hardware sizing of web and database server [duplicate]

I would like to do the Hardware sizing for below applications on Linux based OS both in Physical and Virtual environment, can someone provide details on how many servers, type of servers, storage, ...
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2answers
53 views

Potential of a server [duplicate]

I was wondering, if I use an old home machine as a server - how many connections will I be actually able to support. I was able to calculate the connection's capabilities myself as it is quite simple. ...
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0answers
21 views

How to decide on which server to install memcached?

I have two separate servers: Server A is a nginx web server Server B is a MySQL server Both servers are on a private network. How do I decide where to install memcached? What factors should be ...
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0answers
25 views

Windows Server 2012 R2 Session Host - User Density testing

We use RDP RemoteApp technology on our servers to provide users an access to our applications. One of the challenges we faced (and what served as a reason of performance testing of RDP density) is ...
-1
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1answer
37 views

PHP/APACHE and MySQL SERVER Setup [duplicate]

I'm about to setup a server hosting MySQL, Apache/PHP, File Uploads, and probably CCTV Storage. Planned Personal Server Specifications: ASUS H97M-E INTEL i7-4790 2 x 4GB 1600MHz RAM ...
-1
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1answer
41 views

Windows 2008 R2, heat map

How do we get server heat map data from windows server based on memory usage and cpu usage. Our server Admins are not required to do this and our Dev team is trying to do this ourselves.I am trying to ...
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1answer
55 views

Best practices for scaling and capacity planning : VM only ? VM+Container ? Container only ? Cluster ? Something else?

(I can't find a similar question which has been already answered but maybe I do not use the good words as I'm a french student ;)) The closest answer to what I'm looking for is : Scalable Web ...
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0answers
28 views

What do I need to know to plan server capacity?? [duplicate]

I intend to determine how much server capacity I will need in order to host a web application with good performance. Can somebody please guide me and tell me what are the essential things I must ...
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2answers
195 views

How do I understand my CPU usage on a DNS server?

I have read and understood Can you help me with my capacity planning?, but I'm not sure I understand what my next steps are in a DNS server scenario. I think my CPU loads are high or that I might be ...
0
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0answers
28 views

Capacity planning of messenger server [duplicate]

This is regarding a messenger server being developed. This will have thousands of users connected and will be able exchange messages. Users will also be able to send messages intended for multiple ...
-4
votes
1answer
97 views

EC2 Break even point analysis [duplicate]

I'm doing capacity planning for my DR site and i'm trying to understand break-even point for Light/Medium/Heavy reserved instances vs the Ondemand. I have plotted my values on a graph as shown in the ...
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1answer
52 views

On a web server with very high load, what determines which requests connect?

Glastonbury tickets went on sale this morning and I didn't even get through to a holding page despite having multiple tabs open with their own cookies and refreshing like crazy. I got 'This webpage is ...
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1answer
413 views

VMware vSphere VM at 100% workload CPU when real load average is near 0

I'm using VMware vSphere 5.5 on an ESXi 5.5 Host to host a small private web site. Host server is an HP ProLiant 380 DL with 50 GB Ram, 1 TB SSD storage, 2 Intel Xeon 5550 CPU. There are 10 running ...
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2answers
67 views

How can I estimate the request/second my server is capable of? [closed]

I recently built my own server to help me learn linux, Ubuntu and related technologies and to serve some small website projects I have been producing. How can I estimate the requests per second that ...
0
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2answers
323 views

Calculating required uplink capacity of network switch [duplicate]

Is there any common method (usable in practice) for estimating the uplink capacity of switch based on known number of users connected to this switch and the maximum internet speed they are allowed. ...
0
votes
1answer
66 views

What are challenges with Linux Storage Servers having 7 or 15 drives? [duplicate]

I'm evaluating options for image webservers for Tralev (in the case it grows). I was looking into Hetzner's storage line. They offer storage servers with 7 and 15 drives. 7 drives with software ...
3
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3answers
2k views

How many IOPS do I need? My workload bottleneck is storage

How can I know how many IOPS I need my storage to deliver for my overloaded Linux server? I have a server and I know it has storage as its bottleneck. I would like the bottleneck not to be storage, ...
2
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1answer
157 views

MongoDB Sharding Config and MongoS Storage

In doing this year's budgeting, I need to estimate the capacity needs for next year. We are planning on needing to shard our MongoDB Replica Set out to 4-shards, but I have the disk capacity needs ...
46
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2answers
3k views

vSphere education - What are the downsides of configuring VMs with *too* much RAM?

VMware memory management seems to be a tricky balancing act. With cluster RAM, Resource Pools, VMware's management techniques (TPS, ballooning, host swapping), in-guest RAM utilization, swapping, ...
4
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1answer
1k views

Should VMware HA Admission Control be enabled for small (2/3-host) clusters?

Take the following common scenario... A basic vSphere cluster running two or three hosts, shared storage and a token set of virtual machines under Essentials Plus or greater licensing. Should HA ...
0
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2answers
92 views

gradual increase in capacity of a virtual hdd

Im very new in using ESXI/vSphere and im planning to create an FTP server and i just needed to know some few basic things. How do i gradually increase the disk capacity in a virtualize environment or ...
0
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1answer
55 views

Amazon Web Service monitoring

I have deployed a web app on an AWS server. I have following questions: Monitoring my websphere app server status capacity monitoring? uptime thru Amazon CloudWatch metrics? Load balancing ...
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2answers
478 views

Small office WiFi network with Airport Extreme (15 people) advice

Hi I am having some problems with creating a decent office wifi setup. This is the current setup: Users via Wifi x15 > Router wired into > Airport Extreme wired into > Phoneline So our 15 ...
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1answer
445 views

Guide to Apache performance monitoring and capacity planning? [closed]

Can someone point me at a guide on performance monitoring and capacity management of an Apache web farm? Other questions suggest some tools, but I'm also interested in understanding what the various ...
0
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1answer
194 views

sizing memory for virtual ETL server - is paging recommended?

I am working on the sizing for a virtual server to be used for Business Intelligence ETL processing. We have an existing server from which I can observe the expected trend on the planned one - almost ...
1
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1answer
188 views

VPS users capacity [duplicate]

Possible Duplicate: How do you do Load Testing and Capacity Planning for Web Sites I was wondering if there is a way to actually determine how many users my VPS can handle until it will run ...
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1answer
254 views

Calculating HA/LB MySql server requirements

First, I hope this fits here better than it fits at stackoverflow, I was torn on which site to put it on. Stack focuses more on programming. Mods, if this is the incorrect location please relocate. ...
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3answers
4k views

MongoDB and datasets that don't fit in RAM no matter how hard you shove

This is very system dependent, but chances are near certain we'll scale past some arbitrary cliff and get into Real Trouble. I'm curious what kind of rules-of-thumb exist for a good RAM to Disk-space ...
2
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1answer
234 views

Sizing Switches for Storage and Production

Couple questions. Should you always completely separate the storage network switches from production switches or are VLANs fine to segment this traffic? Is there a golden rule here? How do you ...
76
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2answers
12k views

Can you help me with my capacity planning?

This is a Canonical Question about Capacity Planning Related: How do you do Load Testing and Capacity Planning for Web Sites? How do you do Load Testing and Capacity Planning for ...
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votes
1answer
1k views

How much server memory do I need for a 2TB Database SQL Server? [closed]

We have calculated the initial database size for this implementation to be 2TB, rising by 1TB per year. How much memory would you recommend for the server? Its a business application, reads and ...
-4
votes
1answer
67 views

What capacities should have a hosting to support an average of 1000 registered users simultaneously? [closed]

How much RAM, Disk Space, Bandwidth, etc would be needed? It's just and aproximate. I have no idea how to do a real implementation of a web service and I'm not going to, but I have to write a SRS ...
2
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3answers
17k views

How long does it take to fsck a volume?

We are running a website which is currently serving 3-5 million page views. Our site is a file sharing site and so it contains 250,000 files and few thousand symbolic links. The hard disk is a 1500GB ...
10
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2answers
720 views

How do you estimate how much memory to buy?

I have a custom server application that runs on Windows 2008 R2. It is a home grown Windows Service written in .Net supporting a number of custom terminals. I have a test machine that has a similar ...
0
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3answers
345 views

Server requirement for running an application having huge network traffic

What I am asking is a very common question that comes to any developer's mind when he/she wants to host a server but a precise answer is not easily available. I need to host a server which returns ...
6
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4answers
2k views

Open source DCIM stack?

Our 500-server data center is growing quickly and my manager has started investigating using a specialized Data Center Infrastructure Management (DCIM) package to help manage constraints. DCIM ...
21
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1answer
3k views

How do you do load testing and capacity planning for databases?

This is a canonical question about capacity planning for databases. Related: Can you help me with my capacity planning? How do you do Load Testing and Capacity Planning for Web ...
68
votes
4answers
20k views

How do you do load testing and capacity planning for web sites?

This is a canonical question about capacity planning for web sites. Related: Can you help me with my capacity planning? How do you do Load Testing and Capacity Planning for ...
4
votes
3answers
4k views

When using thin-provisioning with ZFS, how do you make sure you don't run out of physical disk space?

Forgive me if this seems like a fundamental question, but I couldn't really find anything concrete on Google, and I'm not a system administrator by trade. We are setting up a SAN at our office using ...
4
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1answer
113 views

Planning for growth in a virtualized environment

In follow-up to an old question (and somewhat related to this), what trending tools/methods can be best utilized to help anticipate growth in a virtualized environment? For example, how do you go ...
0
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3answers
4k views

How to calculate/estimate the capacity of a switch theoretically [closed]

I don't know whether this is the correct place to ask this question. If not, could any one tell me some sites or forums to ask such questions? Thanks in advance. My question is the same meaning as ...
2
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2answers
395 views

Automatic VM capacity planning

Situation: I've got a bunch of blades, all with same amount of memory and cores in each. Some have local storage, some do not and rely on the SAN. I've also got a ton of VMs that I need to build ...
2
votes
2answers
201 views

What percentage of its capacity should I aim to run a network at?

First of all, apologies if this is the wrong StackExchange site for this question - it's about Ethernet network capacities, but not specifically about servers etc. I am designing a network for a data ...
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2answers
391 views

How Amazon S3 provides unlimited storage space? [closed]

In order to maintain user uploaded images in website becomes very tough as the number of images are increasing. In the long run the available disk space will come to 0 bytes. Amazon generally ...
0
votes
4answers
3k views

How many websites can my server potentially hold? [closed]

Sorry for the "noob" question, but... About how many medium-sized websites with average traffic could this server hold? Just like the average website, kind of like a small business site. How many ...
2
votes
1answer
906 views

How many instances of rails can I run on one server?

I'm a developer trying to determine the best way to approach a rails app. I need to provide some options for deployment and am trying to minimize both development costs and long term hosting costs. ...
2
votes
2answers
425 views

Aids for capacity planning? [closed]

Are there any resources (Templates, tools, etc) that a sys admin would use to perform a capacity planning study? I am going to setup some servers on the cloud but I need to know how many I will need ...
3
votes
6answers
3k views

Planning my first server with Ubuntu KVM Virtual Machines

I am putting together a dual-xeon quad core (i.e., 8 cores total) 12GB RAM linux server to replace several old smaller servers. I would like to use virtualization both to learn about it and because ...
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3answers
181 views

Criteria for VM deployment

What technical criteria do people use when ascertaining an applications suitability for virtualisation? I know things have moved on a bit since a few years ago so I would like peoples experiences and ...