用车人生最大的成功是活着 这些驾驶口诀每条
百度 因为中国既没有这个闲钱和实力，也没有那种野心和胆子。
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.
88 questions
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2 Production systems on a single physical server
Currently as an IT executive, i have to make a choice to upgrade existing server or purchase a new server to support a new incoming production server (MES - Manufacturing Execution System).
The ...
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3
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0
answers
226
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why is my kafka cluster under such a high load for only 1.2K clients, 3K message/s, max bandwidth 25Mb/s
I have a single cloud server, the spec:
Intel Xeon 4 core 3GHz Cpu, 16G memory
I've run a kafka cluster(3 kafka instances + zookeeper) via docker compose on it(docker images were pulled at early ...
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0
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1
answer
47
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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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1
vote
1
answer
639
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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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votes
1
answer
678
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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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6
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2
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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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11
votes
1
answer
791
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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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votes
1
answer
43
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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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0
votes
2
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204
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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 ...
61
votes
8
answers
18k
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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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3
votes
1
answer
362
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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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1
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1
answer
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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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