Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Monitoring Kubernetes
Search
Shinji Tanaka
December 13, 2014
Technology
1
6.4k
Monitoring Kubernetes
gcp ja night #29
12 Dec 2014
Shinji Tanaka
December 13, 2014
Tweet
Share
More Decks by Shinji Tanaka
See All by Shinji Tanaka
Mackerel loves Machine Learnings
stanaka
0
3k
How to Contribute Go
stanaka
4
18k
Introduction to Mackerel
stanaka
0
1k
Upcoming features in 2016, Mackerel
stanaka
0
3.4k
Mackerel's first year and onward
stanaka
0
2.9k
Mackerel's first year and onward (in English)
stanaka
0
380
Blue-Green Deployment with ECS and monitoring
stanaka
0
590
Mackerel Meetup #4 (in Eng)
stanaka
0
490
Mackerel Meetup #4
stanaka
0
3.1k
Other Decks in Technology
See All in Technology
AWSの生成AIサービス Amazon Bedrock入門!(2025年1月版)
minorun365
PRO
7
470
【Oracle Cloud ウェビナー】2025年のセキュリティ脅威を読み解く:リスクに備えるためのレジリエンスとデータ保護
oracle4engineer
PRO
1
100
新卒1年目、はじめてのアプリケーションサーバー【IBM WebSphere Liberty】
ktgrryt
0
130
DMMブックスへのTipKit導入
ttyi2
1
110
あなたの知らないクラフトビールの世界
miura55
0
130
2024年活動報告会(人材育成推進WG・ビジネスサブWG) / 20250114-OIDF-J-EduWG-BizSWG
oidfj
0
230
KMP with Crashlytics
sansantech
PRO
0
240
東京Ruby会議12 Ruby と Rust と私 / Tokyo RubyKaigi 12 Ruby, Rust and me
eagletmt
3
870
Unsafe.BitCast のすゝめ。
nenonaninu
0
200
「隙間家具OSS」に至る道/Fujiwara Tech Conference 2025
fujiwara3
7
6.5k
dbtを中心にして組織のアジリティとガバナンスのトレードオンを考えてみた
gappy50
0
290
駆け出しリーダーとしての第一歩〜開発チームとの新しい関わり方〜 / Beginning Journey as Team Leader
kaonavi
0
120
Featured
See All Featured
How STYLIGHT went responsive
nonsquared
96
5.3k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
6
500
GraphQLの誤解/rethinking-graphql
sonatard
68
10k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
120k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Designing Experiences People Love
moore
139
23k
Writing Fast Ruby
sferik
628
61k
How to train your dragon (web standard)
notwaldorf
89
5.8k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
49
2.2k
Building Better People: How to give real-time feedback that sticks.
wjessup
366
19k
Agile that works and the tools we love
rasmusluckow
328
21k
Embracing the Ebb and Flow
colly
84
4.5k
Transcript
Monitoring Kubernetes gcp ja night #29 Hatena Co., Ltd. @stanaka
! 2014/12/12
[PR] Mackerel https://mackerel.io/
Kubernetes • Docker ΛΫϥελཧ! • ͍Ζ͍ΖͳڥͰಈ͔͍ͨ͠ • MackerelͰϦιʔεཧ͍ͨ͠
Kubernetes Monitoring ʹؔ࿈͢Δཁૉ • kubelet • cAdvisor • heapster
kubelet • ֤ϊʔυ(minion)Ͱಈ࡞ • kubernetes masterͱڠௐಈ࡞
cAdvisor • Dockerͷ౷ܭใΛऔಘ • ϗετશମͱίϯςφຖ • DockerҎ֎ͷίϯςφରԠ HPPHMFDBEWJTPS
heapster • Ϧιʔεใऩूπʔϧ • kubarnetesઐ༻ • InfluxDBΠϯϙʔτ (PPHMF$MPVE1MBUGPSNIFBQTUFS
kubarnetesඪ४ϞχλϦϯά
kubarnetesඪ४ϞχλϦϯά • heapster + cAdvisor → InfuxDB & Grafana
• Ϋϥελʹ͋ΔͷͰɺΫϥελΛ མ͢ͱམͪΔ
Minionͷ౷ܭใऔಘ • http://#{ipaddr}/stats/ • kubeletͷAPI • ཪͰcAdvisor͕ಈ͘ $ curl
http://10.240.153.49:10250/stats/ | jq 'keys' [ "name", “spec", # εϖοΫ “stats", # ౷ܭใ 1ඵ͝ͱ 60ඵؒ "subcontainers" ]
statsͷத $ curl http://10.240.56.195:10250/stats/90559c9f-‐8123-‐11e4-‐ a0ec-‐42010af08f91/php-‐redis | jq ".stats |
.[] | .timestamp" "2014-‐12-‐12T02:41:55.52640117Z" "2014-‐12-‐12T02:41:56.526265405Z" "2014-‐12-‐12T02:41:57.52632129Z" "2014-‐12-‐12T02:41:58.526385146Z" "2014-‐12-‐12T02:41:59.526285874Z" "2014-‐12-‐12T02:42:00.526267704Z" "2014-‐12-‐12T02:42:01.526227391Z" "2014-‐12-‐12T02:42:02.526312936Z" "2014-‐12-‐12T02:42:03.526225182Z" “2014-‐12-‐12T02:42:04.526287033Z" … (ҎԼɺ60ඵ)
statsͷத #2 # curl http://10.240.153.49:10250/stats/ | jq '.stats
| .[0] | keys' [ "cpu", "diskio", "filesystem", "memory", "network", "timestamp" ]
statsͷதৄࡉ UJNFTUBNQ DQV NFNPSZ OFUXPSL \SY UY^@\CZUFT QBDLFUT FSSPST
ESPQQFE^ pMFTZTUFN EFWJDF<> DBQBDJUZ VTBHF JP@UJNF EJTLJP JP@NFSHFE JP@RVFVFE JP@TFSWJDF@CZUFT NBKPS NJOPS TUBUT "TZOD 3FBE 4ZOD 5PUBM 8SJUF JP@TFSWJDF@UJNF JP@TFSWJDFE JP@UJNF JP@XBJU@UJNF TFDUPST
ϞχλϦϯάख๏ • Ϋϥελ্Ͱಈ͍͍ͯΔͷΛѲ • kubecfg list pods • kubecfg get
pods/#{ID} • Munion্ͷίϯςφͷঢ়ଶऔಘ • /stats/#{ID}/#{container}
kubecfg list pods • cluster/kubecfg.sh -json list pods \
JUFNT< \ JEGDFBFDBGG IPTULVCFSOFUFTNJOJPODCVPZBOU[PEJBDJOUFSOBM EFTJSFE4UBUF\ NBOJGFTU\ DPOUBJOFST< \ JNBHFCSFOEBOCVSOTQIQSFEJT OBNFQIQSFEJT
kubecfg get pods • cluster/kubecfg.sh -json get pods/ 73f777c6-8123-11e4-a0ec-42010af08f91 •
Ϩεϙϯε list pods ͱಉ͡
Munion্ͷίϯςφͷঢ়ଶऔಘ • curl http://10.240.56.195:10250/ stats/90559c9f-8123-11e4- a0ec-42010af08f91/php-redis | jq ".stats |
.[] | .timestamp” • Ϩεϙϯε/stats/ͱಉ͡
Φʔτεέʔϧ͍ͤͨ͞ • Ϧιʔεใऔಘ • αΠζมߋஅ • αΠζมߋ࣮ߦ(ඞཁ͕͋Ε)
podsͷಈతͳαΠζมߋ • resizeͰมߋ cluster/kubecfg.sh resize frontendController 4 $ cluster/kubecfg.sh
list replicationControllers Name Image(s) Selector Replicas -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ frontendController brendanburns/php-‐redis name=frontend 4
Kubenetesҹ • ͍Ζ͍Ζศརʹ͑ͦ͏Ͱເ͋Δ • ϓϩμΫγϣϯʹಥͬࠐΉͷ·ͩ… • དྷՆ͙Β͍ʹ͜ͳΕ͖ͯͦ͏?