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{{Status | |||
|status=Draft | |||
|owner=Knowledge Agent | |||
|last_update=2026-07-16 | |||
|review=Pending | |||
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{{TOC}} | |||
== Overview == | |||
Iostat에 대한 기술 문서입니다. | |||
=== Summary === | |||
* 무엇인가? - Iostat | |||
* 왜 필요한가? - HPC 및 서버 환경에서 필수 개념 | |||
* 언제 사용하는가? - 서버 구성, 성능 튜닝, 문제 해결 시 | |||
== Purpose == | |||
이 문서가 존재하는 이유 | |||
* Goal: Iostat에 대한 기술 정보 제공 | |||
* Scope: Iostat의 개념, 사용법, 설정 | |||
* Non-goals: 다른 주제로의 확장 | |||
== Key Concepts == | |||
{| class="wikitable" | |||
! Concept | |||
! Description | |||
! Related | |||
|- | |||
| Iostat | |||
| HPC/서버 환경에서 중요한 기술 개념 | |||
| [[Linux]], [[Server]] | |||
|} | |||
== Detailed Explanation == | |||
iostat<ref>https://github.com/i4oolish/iostat/tree/master</ref> is a command-line utility that reports CPU statistics and input/output statistics for devices and partitions. | iostat<ref>https://github.com/i4oolish/iostat/tree/master</ref> is a command-line utility that reports CPU statistics and input/output statistics for devices and partitions. | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
#The basic syntax of the iostat command | #The basic syntax of the iostat command | ||
$iostat [options] [interval [count]] | $iostat [options] [interval [count]] | ||
#options: options can be used to specify the type of statistics to be displayed, such as disk statistics, CPU utilization statistics, etc. | #options: options can be used to specify the type of statistics to be displayed, such as disk statistics, CPU utilization statistics, etc. | ||
#interval: The interval parameter specifies the amount of time in seconds between each report | #interval: The interval parameter specifies the amount of time in seconds between each report | ||
#count:The count parameter can be specified in conjunction with the interval parameter. If the count parameter is specified, the value of count determines the number of reports generated at interval seconds apart. If the interval parameter is specified without the count parameter, the iostat command generates reports continuously. | #count:The count parameter can be specified in conjunction with the interval parameter. If the count parameter is specified, the value of count determines the number of reports generated at interval seconds apart. If the interval parameter is specified without the count parameter, the iostat command generates reports continuously. | ||
</syntaxhighlight> | </syntaxhighlight> | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
#iostat output example | #iostat output example | ||
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util | Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util | ||
device 0.00 0.00 100 50 50 100 10 3.00 0.00 0.00 5.00 | device 0.00 0.00 100 50 50 100 10 3.00 0.00 0.00 5.00 | ||
# IOPS from the output | # IOPS from the output | ||
The IOPS for this device is r/s + w/s = 100 + 50 =150 | The IOPS for this device is r/s + w/s = 100 + 50 =150 | ||
| Line 26: | Line 63: | ||
!Description | !Description | ||
|- | |- | ||
== Best Practices == | |||
* 최신 버전 사용 권장 | |||
* 공식 문서 참고 | |||
* 테스트 환경에서 먼저 검증 | |||
== References == | == References == | ||
[[Category:Linux]] | * [https://wiki.hpcmate.com Iostat] | ||
== Related Pages == | |||
* [[Linux]] | |||
* [[Server]] | |||
* [[Hardware]] | |||
* [[Network]] | |||
[[Category:Server]] | |||
== Knowledge Graph == | |||
Related | |||
→ [[Linux]] | |||
→ [[Server]] | |||
→ [[Hardware]] | |||
→ [[Network]] | |||
[[Category:Reference]] | [[Category:Reference]] | ||
Latest revision as of 11:29, 17 July 2026
Overview
Iostat에 대한 기술 문서입니다.
Summary
- 무엇인가? - Iostat
- 왜 필요한가? - HPC 및 서버 환경에서 필수 개념
- 언제 사용하는가? - 서버 구성, 성능 튜닝, 문제 해결 시
Purpose
이 문서가 존재하는 이유
- Goal: Iostat에 대한 기술 정보 제공
- Scope: Iostat의 개념, 사용법, 설정
- Non-goals: 다른 주제로의 확장
Key Concepts
| Concept | Description | Related |
|---|---|---|
| Iostat | HPC/서버 환경에서 중요한 기술 개념 | Linux, Server |
Detailed Explanation
iostat[1] is a command-line utility that reports CPU statistics and input/output statistics for devices and partitions.
#The basic syntax of the iostat command
$iostat [options] [interval [count]]
#options: options can be used to specify the type of statistics to be displayed, such as disk statistics, CPU utilization statistics, etc.
#interval: The interval parameter specifies the amount of time in seconds between each report
#count:The count parameter can be specified in conjunction with the interval parameter. If the count parameter is specified, the value of count determines the number of reports generated at interval seconds apart. If the interval parameter is specified without the count parameter, the iostat command generates reports continuously.
#iostat output example
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
device 0.00 0.00 100 50 50 100 10 3.00 0.00 0.00 5.00
# IOPS from the output
The IOPS for this device is r/s + w/s = 100 + 50 =150
Best Practices
- 최신 버전 사용 권장
- 공식 문서 참고
- 테스트 환경에서 먼저 검증
References
Related Pages
Knowledge Graph
Related
→ Linux → Server → Hardware → Network
| column | Description |
|---|