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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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Calculate total power consumption of DELL PE R710 Server [closed]

How can I calculate the total power consumption of my DELL PowerEdge R710 Server?
6
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2answers
233 views

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 ...
11
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1answer
130 views

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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1answer
32 views

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 ...
0
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2answers
35 views

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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1answer
56 views

(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 ...
58
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8answers
10k views

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 ...
3
votes
1answer
116 views

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 ...
1
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1answer
41 views

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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1answer
34 views

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 ...
1
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0answers
43 views

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 ...
0
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2answers
594 views

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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1answer
118 views

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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1answer
461 views

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 ...
0
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2answers
146 views

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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2answers
102 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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1answer
53 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 ...
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1answer
89 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 ...
1
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1answer
262 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 ...
6
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2answers
949 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 ...
-4
votes
1answer
237 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 ...
1
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1answer
86 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 ...
1
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1answer
1k 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
97 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
1k 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
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1answer
86 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 ...
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3answers
4k 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, ...
4
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1answer
627 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 ...
54
votes
2answers
7k 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, ...
5
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1answer
4k 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
112 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
74 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 ...
3
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2answers
662 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
804 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
324 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
254 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 out ...
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1answer
606 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. ...
12
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3answers
5k 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
308 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 ...
131
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3answers
30k 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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1answer
2k 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 ...
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1answer
74 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 (...
9
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4answers
39k 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
852 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
547 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 ...
7
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4answers
3k 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 ...
33
votes
2answers
8k 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 sites? ...
112
votes
5answers
58k 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 databases? ...
7
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3answers
7k 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
votes
1answer
123 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 ...