linux-metrics | System Metrics/Stats Library for Linux
kandi X-RAY | linux-metrics Summary
kandi X-RAY | linux-metrics Summary
System Metrics/Stats Library for Linux
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Top functions reviewed by kandi - BETA
- Calculate the number of reads per second .
- Return CPU percents .
- Check if a device is busy .
- Print information about the CPU .
- Return a list of cpu time in seconds .
- Return the CPU count and core id
- List of CPU times .
- Return the number of reads and writes to disk .
- Get file descriptor .
- Return the memory stats .
linux-metrics Key Features
linux-metrics Examples and Code Snippets
Community Discussions
Trending Discussions on linux-metrics
QUESTION
I'm implementing a metrics system for a backend API at scale and am running into a dilemma: using statsd
, the application itself is logging request metrics on a per endpoint basis, but the CPU metrics are at the global server level. Currently each server has 10 threads, meaning 10 requests can be processed at once (yeah, yeah its actually serial).
For example, if we have two endpoints, /user
and /item
, the statsd
implementation is differentiating statistics (DB/Redis I/O, etc.) per endpoint. However, say we are looking at linux-metrics
every N seconds
, those statistics do not separate endpoints, inherently.
I believe that it would be possible, assuming that your polling time ("N seconds
") is small enough and that you have enough diversity within your requests, to decompose the global system metrics to create an estimate at the endpoint level.
Image a scenario like this:
note: we'll say a
represents a GET to /user
and b
represents a GET to /item
ANSWER
Answered 2020-Oct-09 at 20:09I believe the answer is doing a sum decomposition through linear equations. If we say that a system metric, for example the CPU, is a function CPU(t1)
, then it would just be a matter of solving the following set of equations for the posted example:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install linux-metrics
You can use linux-metrics like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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