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THE FEUTEX TOOLKIT

Service File Descriptor Budget

Budget sockets, open files and per-worker overhead against a descriptor limit.

Computer Systems workspace● Runs in your browser
01 Your input
02 Your result
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FormulaPlanned descriptor count = sockets+files+workers*over; Remaining budget = limit-sockets-files-workers*over

Made for real tasks

  • Budget sockets, open files and per-worker overhead against a descriptor limit.
Explore step-by-step workflows →

Worked example

Inputs

Open sockets
10000 descriptors
Open files
300 descriptors
Workers
8 workers
Other descriptors per worker
20 descriptors
Shared budget
16384 descriptors

Expected results

Planned descriptor count
10460 descriptors
Remaining budget
5924 descriptors

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter open sockets, open files, workers, other descriptors per worker, shared budget in the displayed units.
  2. Calculate the scenario, then compare it with measurements before changing a system.

Try this example

{
  "sockets": 10000,
  "files": 300,
  "workers": 8,
  "over": 20,
  "limit": 16384
}

Accuracy and scope

Accounting scenario only; actual Linux limits may apply per process rather than across workers.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.