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Questions tagged [capacity]

42 questions
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How do I find the system's disk capacity?

I run the command df -g to get the GB block sizes in the second column (left to right). If I want to get the total capacity for all hard disks, which command should I use? OS is AIX.
Vladimir
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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 acquisition system that will be outputting data…
Ian Renton
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Powershell script for EMC unity capcity monitoring

I am preparing a powershell script to export the unity capacity pool details to a csv file. Need a loop to export all the pool details to csv file. The loop should read the used space and total space from the below output. The two pools details…
Aravindsarasamma
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Varnish Capacity Planning and Hardware Sizing

we want to run a new varnish node to cache video segments "average object size 3MB" and wondering if there is a way to measure the hardware specs "CPU/Memory/Disk" required based on the user's concurrency so we can choose the suitable servers specs
Ahmad Asal
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Apache: "Server seems busy", but lots of idle processes

I should note that I'm not a sysadmin. You'll figure that out very shortly. :) In a nutshell: Apache keeps taking a breather during heavy loads and all processes go idle. This is a polling server that is used by applications. The polls come from…
Disco
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How can I find the cause of "Service temporarily unavailable" from apache2 on really small vm?

I just moved all my web applications to a really small vm (128 megs of memory) running linux xubuntu, with no GUI. Most of my applications run fine (if a bit slow, but that's acceptable) except for one. That one is a very small lightweight cgi…
Stu
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VPS users capacity

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 of Memory. I have a small VPS with 3 assigned CPU's…
TheDave
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Maximum size of an indexing service catalog

Does anyone know what the maximum size on an indexing service index is on Windows 2008? We are having all sorts of problems with the index hanging and not processing new documents. I just deleted the catalog and and recreated it. I've added in 4…
mrdenny
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Cassandra: capacity planning

Im investigating moving some large DBs from MySQL to Cassandra and Im trying to figure out how to plan the cluster. Historically, one would just buy disks to contain the relevant data but Im not clear on how Cassandra uses disk space vs RAM space.…
ethrbunny
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Using all space on Amazon EC2 - Medium tier

I'm currently running an Amazon EC2 - Medium Tier reserved instance for hosting client websites. Recently it seems space is starting to run low on /dev/sda1 - so I thought I'd better prepare.. df -h Filesystem Size Used Avail Use%…
williamsowen
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How can I configure nginx to serve a "server overloaded" or out of capacity page?

I've got a client who's expecting a plug on national TV tonight, and they just told me (love how that works, eh?). I'm trying to do some capacity planning in what little time I have, and the one thing I think I should try would be some form of "out…
Jonathan Brumhauer
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NetApp Usable Capacity Magic

I'd like to know the exact math of how to calculate usable capacity on a NetApp filer's aggregates. Out of experience I've been using a magic factor of 0.65-0,7 times the net RG capacity of all the aggregate's RGs. Just as a simple example: 3…
pfo
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where is the disk capacity stored?

In short, if I do dd disk-to-disk (e.g. /dev/sda to /dev/sdb), is the capacity of the whole disk also copied? For example, if sda is actually 1TB and sdb 2TB, after the dd, which would a Linux system regard sdb as, 1TB or 2TB? I assume that the disk…
Stephen
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Is there a fast way to obtain filesystem capacity and usage by reading a single file?

Is there a file system usage measurement in any /sys or /proc files? Similarly for processes, besides diskstats is there a way to read a single number that reports total disk capacity consumed? I ask because I need it for a low profile program and…
CarlH
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Size on disk smaller than capacity but no free space

We have a Windows 2012 Veeam Server with a volume that we use to store our backups on. The volume has a capacity of 14.9 TB and has data deduplication enabled. On the volume there are folders for the different backup jobs. These folders have a…
Skanderbeg
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