Questions tagged [capacity-planning]
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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Formula or rule of thumb to estimate filesystem planning with BtrFS snapshots (SLES or similar)
SLES features BtrFS for the root filesystem, combined with automatic ("numbered") snapshots performed before and after updates. If your system fails, you can boot from an older snapshot (...
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Capacity Estimation for Physical Machines Hosting Simplified Nextcloud Instances [duplicate]
I am writing a grant to provide students with free access to Nextcloud VMs, and I need to budget for physical machines. The question is, how can I estimate the number of VMs running just Nextcloud (...
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Required server capabilities for a video platform? [duplicate]
I'm a programmer and I have made a video playing platform. But I'm not sure about hardware requirements for such a system.
I think this platform will have some 10000 customer in the beginning. I do ...
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Windows server with less than 1% free memory
We have a SAP installation running the main server with 35GB ram and the app server running with 65GB ram. From the operational system perspective the main server has a fixed allocation of 31GB ram ...
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What is the cause of most top-vendor SSD crashes?
I'm referring to total crashes where the SSD doesn't work anymore. Not IO errors.
SSDs have a limited lifespan. So if nothing else goes wrong, eventually they die of NAND wear. My question is what ...
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Can I put the MySQL binlogs on a slow disk?
We have only 450 GB nvme space on our master server and the binlogs are using a lot of space, even if they are kept for only two days.
Does writing the MySQL binlogs to a slower disk (like a remote ...
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How to document a strategy for upgrading commercial software?
We haven't upgraded our RDBMS or server OS for nearly a decade. Another mission-critical software package is nearing two decades old and has been unsupported by its vendor for much of that time. Some ...
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JMETER: Which requests to load
The question is about load testing a web application, in order to find out server capacity (I should answer the question: For how many users using my web application, the server can handle the ...
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How to plan for buying drive capacity for a NAS? [duplicate]
I am, planning a NAS upgrade. We are currently running dozens of low capacity, cheap drives. We are upgrading to a Synology NAS with far fewer, higher capacity drives. As such, these drives will have ...
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(Single Day - Peak) Dedicated Server Requirements for CDN Set-ups [duplicate]
Update: Comments made regarding how it is not a duplicate - fundamental question.
Pre-Info: I am a game design specialized generalist with semi-practical software engineering skills in essence yet ...
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Does bigger capacity SSD have longer life due to wear leveling?
I have been told that you can get a longer lifespan of an SSD if you buy a bigger capacity SSD. The reasoning goes that newer SSDs have wear leveling and thus should sustain the same amount of writing ...
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How should a decentralised business use Active Directory?
I have somehow been nominated as the sysadmin for my family's small business. While administering this should be easy, I'm torn on what the best way of doing this is.
A unique aspect of the ...
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Ganeti command to find out how many more instances of a particular type fit into the cluster
I've once used a ganeti command to get the maximum number of instances of a particular type that fit into the cluster. Like this:
gnt-something how-many-more INSTANCE_TYPE
I was going through the ...
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How can I make a server or PC use the most electrical power it is ever likely to?
I have several servers connected to a UPS. I would like to try and get those servers to draw the most power they are likely to as a load test of the UPS. What is the best way to cause a server or PC ...
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Estimate when a filesystem will be full
Background
I'm managing about 50 CentOS 5.6 Linux servers in my workplace with some critical filesystems that store weekly backups of applications, databases and user workplace files.
Problem
Last ...
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Capacity management - what metrics/KPI for CPU and RAM?
Context: business applications servers
What are good metrics/KPI for measuring CPU usage and performance? I think that things like %usage are not really relevant (it's not because my PC uses 100% CPU ...
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What are common strategies for multiple database management in shared hosting?
I've read a lot of in internet including canonical answers at serverfault. However, I still can't find the answer to the question - What are common strategies for multiple database management in ...
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What is the internet Bandwidth needed to support 2000 concurrent requests?
For one our projects, we need to calculate the internet bandwidth required to support 2000 concurrent requests/per second. Following is the scenario detail:
If 1 user accesses the page, the ...
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First Exchange 2013 design for on-prem SMB. Did I miss anything? [closed]
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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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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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
...
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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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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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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 ...
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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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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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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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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 ...
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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.
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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 ...
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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, ...
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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 ...
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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, ...
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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 ...
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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 ...
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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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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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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 ...
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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 out ...
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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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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 ...
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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 ...
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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 databases?
I have a ...
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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 ...
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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 (...
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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 ...
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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 ...
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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 ...
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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 ...
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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 sites?
I'm looking to ...
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