Kubernetes ã䜿ãå§ãããšãã¯ãã³ã³ãã㌠ãªãœãŒã¹ã®èšå®ãå¿ããã¡ã§ãã ãã®æç¹ã§ã¯ãDocker ã€ã¡ãŒãžãåäœããKubernetes ã¯ã©ã¹ã¿ãŒã«ãããã€ã§ããããšã確èªããã ãã§ååã§ãã
ãã ããåŸã§ã¢ããªã±ãŒã·ã§ã³ãä»ã®ã¢ããªã±ãŒã·ã§ã³ãšãšãã«å®çšŒåã¯ã©ã¹ã¿ãŒã«ãããã€ããå¿ èŠããããŸãã ãããè¡ãã«ã¯ãã³ã³ããã«ãªãœãŒã¹ãå²ãåœãŠãã¢ããªã±ãŒã·ã§ã³ãèµ·åããŠå®è¡ããã®ã«ååãªãªãœãŒã¹ãããããšãããã³å®è¡äžã®ä»ã®ã¢ããªã±ãŒã·ã§ã³ã«åé¡ãçºçããªãããšã確èªããå¿ èŠããããŸãã
ããŒã
ã³ã³ãã¥ãŒãã£ã³ã° ãªãœãŒã¹
次ã®åäœãæ〠XNUMX çš®é¡ã®ãªãœãŒã¹ããããŸãã
- äžå€®åŠçè£ çœ® (CPU) - ã³ã¢ã
- ã¡ã¢ãª (MEM) - ãã€ãã
ãªãœãŒã¹ã¯ã³ã³ããããšã«æå®ãããŸãã 次㮠Pod YAML ãã¡ã€ã«ã«ã¯ãèŠæ±ããããªãœãŒã¹ãšå¶éãªãœãŒã¹ãå«ããªãœãŒã¹ ã»ã¯ã·ã§ã³ã衚瀺ãããŸãã
- èŠæ±ãããããã ãªãœãŒã¹ = ãã¹ãŠã®ã³ã³ãããŒã®èŠæ±ããããªãœãŒã¹ã®åèšã
- ãããã®ãªãœãŒã¹å¶é = ãã¹ãŠã®ãããã®ãªãœãŒã¹å¶éã®åèšã
apiVersion: v1
kind: Pod
metadata:
name: backend-pod-name
labels:
application: backend
spec:
containers:
â name: main-container
image: my-backend
tag: v1
ports:
â containerPort: 8080
resources:
requests:
cpu: 0.2 # REQUESTED CPU: 200m cores
memory: "1Gi" # REQUESTED MEM: 1Gi
limits:
cpu: 1 # MAX CPU USAGE: 1 core
memory: "1Gi" # MAX MEM USAGE: 1Gi
â name: other-container
image: other-app
tag: v1
ports:
â containerPort: 8000
resources:
requests:
cpu: "200m" # REQUESTED CPU: 200m cores
memory: "0.5Gi" # REQUESTED MEM: 0.5Gi
limits:
cpu: 1 # MAX CPU USAGE: 1 core
memory: "1Gi" # MAX MEM USAGE: 1Gi
èŠæ±ããããªãœãŒã¹ãšå¶éããããªãœãŒã¹ã®äŸ
ãã£ãŒã«ã resources.requested
ä»æ§ãã Pod ã¯ãç®çã®ããŒããèŠã€ããããã«äœ¿çšãããèŠçŽ ã® XNUMX ã€ã§ãã ãããã®ãããã€ã¡ã³ãããã§ã«èšç»ã§ããŸãã é©åãªããŒããã©ã®ããã«èŠã€ããŸãã?
Kubernetes ã¯ããã¹ã¿ãŒ ããŒãããã¹ã¿ãŒ ããŒã (Kubernetes ã³ã³ãããŒã« ãã¬ãŒã³) ãªã©ã®è€æ°ã®ã³ã³ããŒãã³ãã§æ§æãããŸãã ãã¹ã¿ãŒ ããŒãã«ã¯ãkube-apiserverãkube-controller-managerãkube-scheduler ãšããè€æ°ã®ããã»ã¹ããããŸãã
kube-scheduler ããã»ã¹ã¯ãæ°ããäœæããããããã確èªããèŠæ±ããããªãœãŒã¹ã®æ°ãå«ããã¹ãŠã®ããã ãªã¯ãšã¹ãã«äžèŽããå¯èœæ§ã®ããã¯ãŒã«ãŒ ããŒããèŠã€ãã責任ããããŸãã kube-scheduler ã«ãã£ãŠæ€åºãããããŒãã®ãªã¹ããã©ã³ã¯ä»ããããŸãã ãããã¯ãã¹ã³ã¢ãæãé«ãããŒãã«ã¹ã±ãžã¥ãŒã«ãããŸãã
玫è²ã®ãããã¯ã©ãã«é 眮ãããŸãã?
ãã®å³ã§ã¯ãkube-scheduler ãæ°ãã玫è²ã® Pod ãã¹ã±ãžã¥ãŒã«ããå¿ èŠãããããšãããããŸãã Kubernetes ã¯ã©ã¹ã¿ãŒã«ã¯ A ãš B ã® 1 ã€ã®ããŒããå«ãŸããŠããŸããã芧ã®ãšãããkube-scheduler ã¯ããŒã A ã§ããããã¹ã±ãžã¥ãŒã«ã§ããŸãããå©çšå¯èœãª (èŠæ±ãããŠããªã) ãªãœãŒã¹ã玫è²ã®ãããã®èŠæ±ãšäžèŽããŸããã ãããã£ãŠã䜿çšå¯èœãªã¡ã¢ãªã¯ 0,5 GB ã§ããããã玫è²ã®ãããã«ãã£ãŠèŠæ±ããã XNUMX GB ã®ã¡ã¢ãªã¯ããŒã A ã«ã¯é©åããŸããã ããããããŒã B ã«ã¯ååãªãªãœãŒã¹ããããŸãã ãã®çµæãkube-scheduler ã¯çŽ«è²ã® Pod ã®å®å ãããŒã B ã§ãããšæ±ºå®ããŸãã
ããã§ãèŠæ±ããããªãœãŒã¹ãããããå®è¡ããããŒãã®éžæã«ã©ã®ãããªåœ±é¿ãäžããããããããŸããã ããããéçè³æºã¯ã©ã®ãããªåœ±é¿ãäžããã®ã§ãããã?
ãªãœãŒã¹å¶éã¯ãCPU/MEM ãè¶ããããšã®ã§ããªãå¢çã§ãã ãã ããCPU ãªãœãŒã¹ã¯æè»ã§ãããããã³ã³ãããŒã CPU å¶éã«éããŠãããããçµäºããããšã¯ãããŸããã 代ããã«ãCPU ã¹ãããã«ãéå§ãããŸãã MEM 䜿çšå¶éã«éãããšãã³ã³ãããŒã¯ OOM-Killer ã«ããåæ¢ãããRestartPolicy èšå®ã§èš±å¯ãããŠããå Žåã¯åèµ·åãããŸãã
èŠæ±ããããªãœãŒã¹ãšæ倧ãªãœãŒã¹ã®è©³çŽ°
Docker ãš Kubernetes éã®ãªãœãŒã¹éä¿¡
ãªãœãŒã¹ ãªã¯ãšã¹ããšãªãœãŒã¹å¶éãã©ã®ããã«æ©èœãããã説æããæè¯ã®æ¹æ³ã¯ãKubernetes ãš Docker ã®é¢ä¿ã玹ä»ããããšã§ãã äžã®ç»åã§ã¯ãKubernetes ãã£ãŒã«ããš Docker èµ·åãã©ã°ãã©ã®ããã«é¢ä¿ããŠãããã瀺ããŠããŸãã
ã¡ã¢ãª: èŠæ±ãšå¶é
containers:
...
resources:
requests:
memory: "0.5Gi"
limits:
memory: "1Gi"
åè¿°ããããã«ãã¡ã¢ãªã¯ãã€ãåäœã§æž¬å®ãããŸãã ã«åºã¥ã G
О Gi
ãéèŠãªããšã¯ãããããåçã§ã¯ãªãããšãèŠããŠããããšã§ãã 8 ã€ç®ã¯ XNUMX é²æ°ãXNUMX ã€ç®ã¯ XNUMX é²æ°ã§ãã kXNUMXs ããã¥ã¡ã³ãã§èšåãããŠããäŸã®ããã«: 128974848
, 129e6
, 129M
, 123Mi
- ãããã¯å®è³ªçã«åçã§ãã
Kubernetes ãªãã·ã§ã³ limits.memory
æãšäžèŽãã --memory
ããã«ãŒããã ã®å Žåã«ã¯ request.memory
Docker ã¯ãã®ãã£ãŒã«ãã䜿çšããªããããDocker ã«ç¢å°ã¯ãããŸããã ããã¯æ¬åœã«å¿
èŠãªã®ã§ãããã?ãšçåã«æããããããŸããã ã¯ããå¿
èŠã§ãã åã«è¿°ã¹ãããã«ãKubernetes ã«ãšã£ãŠãã£ãŒã«ãã¯éèŠã§ãã kube-scheduler ã¯ãããããã®æ
å ±ã«åºã¥ããŠãã©ã®ããŒã㧠Pod ãã¹ã±ãžã¥ãŒã«ãããã決å®ããŸãã
ãªã¯ãšã¹ãã«å¯ŸããŠäžååãªã¡ã¢ãªãèšå®ãããšã©ããªããŸãã?
ã³ã³ãããèŠæ±ãããã¡ã¢ãªã®å¶éã«éããå Žåããã®ãããã¯ãããŒãã«ååãªã¡ã¢ãªãäžè¶³ãããšåæ¢ãããããã®ã°ã«ãŒãã«é 眮ãããŸãã
ã¡ã¢ãªå¶éã®èšå®ãäœããããšã©ããªããŸãã?
ã³ã³ãããŒãã¡ã¢ãªå¶éãè¶
ãããšãOOM-Killed ã«ããã³ã³ãããŒãçµäºããŸãã å¯èœã§ããã° RestartPolicy ã«åºã¥ããŠåèµ·åããŸããããã©ã«ãå€ã¯æ¬¡ã®ãšããã§ãã Always
.
èŠæ±ãããã¡ã¢ãªãæå®ããªãå Žåã¯ã©ããªããŸãã?
Kubernetes ã¯å¶éå€ãååŸãããããããã©ã«ãå€ãšããŠèšå®ããŸãã
ã¡ã¢ãªå¶éãæå®ããªããšã©ããªããŸãã?
ã³ã³ãããŒã«ã¯å¶éããªããå¿ èŠãªã ãã¡ã¢ãªã䜿çšã§ããŸãã 圌ãããŒãã®å©çšå¯èœãªã¡ã¢ãªããã¹ãŠäœ¿çšãå§ãããšãOOM ã«ãã£ãŠåœŒã¯åŒ·å¶çµäºãããŸãã ãã®åŸãå¯èœã§ããã° RestartPolicy ã«åºã¥ããŠã³ã³ãããŒãåèµ·åãããŸãã
ã¡ã¢ãªå¶éãæå®ããªããšã©ããªããŸãã?
ããã¯ææªã®ã·ããªãªã§ããã¹ã±ãžã¥ãŒã©ãŒã¯ã³ã³ãããŒãå¿ èŠãšãããªãœãŒã¹ã®æ°ãèªèããªããããããŒãäžã§é倧ãªåé¡ãçºçããå¯èœæ§ããããŸãã ãã®å Žåãåå空éã«ããã©ã«ãã®å¶é (LimitRange ã«ãã£ãŠèšå®) ããããšäŸ¿å©ã§ãã ããã©ã«ãã®å¶éã¯ãããŸãããPod ã«ã¯å¶éããªããå¿ èŠãªã ãã®ã¡ã¢ãªã䜿çšã§ããŸãã
èŠæ±ãããã¡ã¢ãªãããŒããæäŸã§ããéãè¶
ããå Žåããããã¯ã¹ã±ãžã¥ãŒã«ãããŸããã ãããèŠããŠããããšãéèŠã§ã Requests.memory
- æå°å€ã§ã¯ãããŸããã ããã¯ãã³ã³ãããŒãç¶ç¶çã«å®è¡ãç¶ããã®ã«ååãªã¡ã¢ãªéã®èª¬æã§ãã
éåžžã¯åãå€ãèšå®ããããšããå§ãããŸãã request.memory
О limit.memory
ã ããã«ãããKubernetes ã¯ãããããå®è¡ããã®ã«ååãªã¡ã¢ãªã¯ãããã®ã®ãå®è¡ããã«ã¯ååã§ã¯ãªãããŒãã§ã¯ããããã¹ã±ãžã¥ãŒã«ããªããªããŸãã çæäºé
: Kubernetes ãããã®èšç»ã§ã¯ã®ã¿èæ
®ãããŸãã requests.memory
ãš limits.memory
ã¯èæ
®ããŸããã
CPU: ãªã¯ãšã¹ããšå¶é
containers:
...
resources:
requests:
cpu: 1
limits:
cpu: "1200m"
CPU ã䜿çšãããšããã¹ãŠãå°ãè€éã«ãªããŸãã Kubernetes ãš Docker ã®é¢ä¿ã®å³ã«æ»ããšã次ã®ããšãããããŸãã request.cpu
äžèŽ --cpu-shares
ã limit.cpu
æãšäžèŽãã cpus
ããã«ãŒã§ã
Kubernetes ãèŠæ±ãã CPU ã¯ãCPU ãµã€ã¯ã«ã®æ¯çã§ãã 1024 åã«ãªããŸãã 1 ã€ã®å®å
šãªã³ã¢ããªã¯ãšã¹ããããå Žåã¯ã以äžãè¿œå ããå¿
èŠããããŸã cpu: 1
äžã«ç€ºãããã«ã
å®å šãªã«ãŒãã« (æ¯ç = 1024) ããªã¯ãšã¹ãããŠããã³ã³ãããŒããããåãåããšã¯éããŸããã ãã¹ã ãã·ã³ã«ã³ã¢ã XNUMX ã€ãããªããè€æ°ã®ã³ã³ãããå®è¡ããŠããå Žåã¯ããã¹ãŠã®ã³ã³ããããããã®éã§äœ¿çšå¯èœãª CPU ãå ±æããå¿ èŠããããŸãã ããã¯ã©ãããŠèµ·ããã®ã§ãããã? åçãèŠãŠã¿ãŸãããã
CPU ãªã¯ãšã¹ã - ã·ã³ã°ã«ã³ã¢ ã·ã¹ãã
ã³ã³ãããŒãå®è¡ããŠããã·ã³ã°ã«ã³ã¢ã®ãã¹ã ã·ã¹ãã ããããšæ³åããŠã¿ãŸãããã ãæ¯ãã (Kubernetes) ã¯ã〠(CPU) ãçŒãããããåäŸãã¡ (ã³ã³ãããŒ) ã«åå²ããããšèããŠããŸãã 1024 人ã®åäŸã¯ãã€å šäœ (æ¯ç = 512) ãæã¿ãå¥ã®åäŸã¯ãã€ã®åå (XNUMX) ãæãã§ããŸãã ãæ¯ããã¯å ¬å¹³ã§ããããšãæã¿ãåçŽãªèšç®ãããŸãã
# СкПлÑкП пОÑПгПв Ñ
ПÑÑÑ ÐŽÐµÑО?
# 3 ÑебеМка Ñ
ПÑÑÑ Ð¿ÐŸ ÑÐµÐ»ÐŸÐŒÑ Ð¿ÐžÑÐŸÐ³Ñ Ðž еÑе ПЎОМ Ñ
ПÑÐµÑ Ð¿ÐŸÐ»ÐŸÐ²ÐžÐœÑ Ð¿ÐžÑПга
cakesNumberKidsWant = (3 * 1) + (1 * 0.5) = 3.5
# ÐÑÑажеМОе пПлÑÑаеÑÑÑ Ñак:
3 (ÑебеМка/кПМÑейМеÑа) * 1 (ÑелÑй пОÑПг/пПлМПе ÑÐŽÑП) + 1 (ÑебеМПк/кПМÑейМеÑ) * 0.5 (пПлПвОМа пОÑПга/пПлПвОМа ÑÐŽÑа)
# СкПлÑкП пОÑПгПв ОÑпеÑеМП?
availableCakesNumber = 1
# СкПлÑкП пОÑПга (ЌакÑОЌалÑМП) ЎеÑО ÑеалÑМП ЌПгÑÑ Ð¿ÐŸÐ»ÑÑОÑÑ?
newMaxRequest = 1 / 3.5 =~ 28%
èšç®ã«åºã¥ããšã28 人ã®åäŸã¯ã³ã¢å šäœã§ã¯ãªããã³ã¢ã® 14% ãåãåãããšã«ãªããŸãã XNUMX çªç®ã®åã¯ãã«ãŒãã«å šäœã®ååã§ã¯ãªããXNUMX% ãååŸããŸãã ãã ãããã«ãã³ã¢ ã·ã¹ãã ã®å Žåã¯ç¶æ³ãç°ãªããŸãã
CPU ãªã¯ãšã¹ã - ãã«ãã³ã¢ (4) ã·ã¹ãã
äžã®ç»åã§ã¯ã100 人ã®åäŸããã€å šäœãæãã§ãããXNUMX 人ãååãæãã§ããããšãããããŸãã ãæ¯ããã¯ãã€ã XNUMX ã€çŒããã®ã§ãåäŸãã¡ã¯ãããã奜ããªã ãé£ã¹ãããšã«ãªããŸãã ãã«ãã³ã¢ ã·ã¹ãã ã§ã¯ãããã»ããµ ãªãœãŒã¹ã¯ã䜿çšå¯èœãªãã¹ãŠã®ããã»ããµ ã³ã¢ã«åæ£ãããŸãã ã³ã³ãããŒã XNUMX ã€ã®å®å šãª CPU ã³ã¢æªæºã«å¶éãããŠããå Žåã§ããã³ã³ãããŒã¯ããã XNUMX% ã§äœ¿çšã§ããŸãã
äžèšã®èšç®ã¯ãCPU ãã³ã³ãããŒéã§ã©ã®ããã«åæ£ãããããç解ããããã«ç°¡ç¥åãããŠããŸãã ãã¡ãããã³ã³ããèªäœä»¥å€ã«ããCPU ãªãœãŒã¹ã䜿çšããä»ã®ããã»ã¹ããããŸãã XNUMX ã€ã®ã³ã³ããå
ã®ããã»ã¹ãã¢ã€ãã«ç¶æ
ã®å Žåãä»ã®ã³ã³ããããã®ãªãœãŒã¹ã䜿çšã§ããŸãã CPU: "200m"
äžèŽ CPU: 0,2
ããã㯠20 ã€ã®ã³ã¢ã®çŽ XNUMX% ãæå³ããŸãã
ä»ã話ããŸããã limit.cpu
ã Kubernetes ãå¶éãã CPU 㯠100 åãããŸãããã®çµæãã³ã³ãããŒã 100 ÎŒs ããšã«äœ¿çšã§ããæéã«ãªããŸã (cpu-period
).
limit.cpu
Docker ãã©ã°ãšäžèŽããŸã --cpus
ã ããã¯å€ããã®ã®æ°ããçµã¿åããã§ã --cpu-period
О --cpu-quota
ã ãããèšå®ããããšã§ãã¹ããããªã³ã°ãéå§ãããåã«ã³ã³ãããŒãæ倧ã«äœ¿çšã§ãã CPU ãªãœãŒã¹ã®æ°ã瀺ããŸãã
- CPUã® - çµã¿åãã
cpu-period
Оcpu-quota. cpus = 1.5
èšå®ã«çžåœcpu-period = 100000
Оcpu-quota = 150000
; - CPUåšæ - æé
CPU CFS ã¹ã±ãžã¥ãŒã© ãããã©ã«ã㯠100 ãã€ã¯ãç§ã - CPUã¯ã©ãŒã¿ - å
éšã®ãã€ã¯ãç§æ°
cpu-period
ãã³ã³ããã«ãã£ãŠå¢çãå®ããããŠããŸãã
èŠæ±ããã CPU ãäžååãªå Žåã¯ã©ããªããŸãã?
ã³ã³ãããŒãã€ã³ã¹ããŒã«ãããŠãã以äžã®ãã®ãå¿ èŠãªå Žåãä»ã®ããã»ã¹ãã CPU ã奪ããŸãã
CPU å¶éãäœãèšå®ãããããšã©ããªããŸãã?
CPU ãªãœãŒã¹ã¯èª¿æŽå¯èœãªãããã¹ãããã«ããªã³ã«ãªããŸãã
CPU ãªã¯ãšã¹ããæå®ããªãå Žåã¯ã©ããªããŸãã?
ã¡ã¢ãªãšåæ§ã«ãèŠæ±å€ã¯å¶éãšåãã§ãã
CPU å¶éãæå®ããªãå Žåã¯ã©ããªããŸãã?
ã³ã³ãããŒã¯å¿ èŠãªã ã CPU ã䜿çšããŸãã ããã©ã«ãã® CPU ããªã·ãŒ (LimitRange) ãåå空éã§å®çŸ©ãããŠããå Žåããã®å¶éã¯ã³ã³ãããŒã«ã䜿çšãããŸãã
ãªã¯ãšã¹ããŸã㯠CPU å¶éã®ãããããæå®ããªãå Žåã¯ã©ããªããŸãã?
ã¡ã¢ãªãšåæ§ã«ãããã¯ææªã®ã·ããªãªã§ãã ã¹ã±ãžã¥ãŒã©ãŒã¯ã³ã³ãããŒã«å¿ èŠãªãªãœãŒã¹ã®æ°ãèªèããªããããããŒãäžã§é倧ãªåé¡ãçºçããå¯èœæ§ããããŸãã ãããåé¿ããã«ã¯ãåå空éã®ããã©ã«ãå¶é (LimitRange) ãèšå®ããå¿ èŠããããŸãã
èŠããŠãããŠãã ãã: ããŒããæäŸã§ãã以äžã® CPU ããªã¯ãšã¹ããããšããããã¯ã¹ã±ãžã¥ãŒã«ãããŸããã Requests.cpu
- æå°å€ã§ã¯ãªããPod ãèµ·åããŠé害ãªãåäœããã®ã«ååãªå€ã§ãã ã¢ããªã±ãŒã·ã§ã³ãè€éãªèšç®ãå®è¡ããªãå Žåãæè¯ã®ãªãã·ã§ã³ã¯ã request.cpu <= 1
å¿
èŠãªæ°ã®ã¬ããªã«ãèµ·åããŸãã
èŠæ±ããããªãœãŒã¹ã®çæ³çãªéãŸãã¯ãªãœãŒã¹å¶é
ã³ã³ãã¥ãŒãã£ã³ã° ãªãœãŒã¹ã®éçã«ã€ããŠåŠã³ãŸããã ããã§ã次ã®è³ªåã«çããŸãããã¢ããªã±ãŒã·ã§ã³ãåé¡ãªãå®è¡ããã«ã¯ããããã«ã©ããããã®ãªãœãŒã¹ãå¿ èŠã§ãã?ã çæ³çãªéã¯ã©ããããã§ããïŒ
æ®å¿µãªããããããã®è³ªåã«å¯Ÿããæ確ãªçãã¯ãããŸããã ã¢ããªã±ãŒã·ã§ã³ãã©ã®ããã«åäœããããå¿ èŠãª CPU ãã¡ã¢ãªã®éãããããªãå Žåãæåã®éžæè¢ã¯ãã¢ããªã±ãŒã·ã§ã³ã«å€§éã®ã¡ã¢ãªãš CPU ãäžããŠããããã©ãŒãã³ã¹ ãã¹ããå®è¡ããããšã§ãã
ããã©ãŒãã³ã¹ ãã¹ãã«å ããŠãXNUMX é±éã®ç£èŠã§ã¢ããªã±ãŒã·ã§ã³ã®åäœãç£èŠããŸãã ã¢ããªã±ãŒã·ã§ã³ãèŠæ±ãããããå°ãªããªãœãŒã¹ãæ¶è²»ããŠããããšãã°ã©ãã«ç€ºãããŠããå Žåã¯ãèŠæ±ããã CPU ãŸãã¯ã¡ã¢ãªã®éãæžããããšãã§ããŸãã
äŸãšããŠãããåç
§ããŠãã ãã
ãŸãšã
ãªãœãŒã¹ããªã¯ãšã¹ãããŠå¶éãããšãKubernetes ã¯ã©ã¹ã¿ãŒãå¥å šã«ä¿ã€ããšãã§ããŸãã é©åãªå¶éæ§æã«ãããã³ã¹ããæå°éã«æããããã¢ããªã±ãŒã·ã§ã³ãåžžã«å®è¡ãç¶ããããšãã§ããŸãã
ã€ãŸããçæãã¹ãç¹ãããã€ããããŸãã
- èŠæ±ããããªãœãŒã¹ã¯ãèµ·åæ (Kubernetes ãã¢ããªã±ãŒã·ã§ã³ã®ãã¹ããèšç»ããŠãããšã) ã«èæ ®ãããæ§æã§ãã å¯Ÿç §çã«ããªãœãŒã¹ãå¶éããããšã¯å®è¡æãã€ãŸãã¢ããªã±ãŒã·ã§ã³ãããŒãäžã§ãã§ã«å®è¡ãããŠãããšãã«éèŠã§ãã
- ã¡ã¢ãªãšæ¯èŒãããšãCPU ã¯èŠå¶ããããªãœãŒã¹ã§ãã åå㪠CPU ããªãå ŽåãPod ã¯ã·ã£ããããŠã³ãããã¹ãããã« ã¡ã«ããºã ããªã³ã«ãªããŸãã
- èŠæ±ããããªãœãŒã¹ãšãªãœãŒã¹å¶éãæå°å€ãšæ倧å€ã§ã¯ãããŸããã èŠæ±ããããªãœãŒã¹ãå®çŸ©ããããšã§ãã¢ããªã±ãŒã·ã§ã³ãåé¡ãªãå®è¡ãããããšãä¿èšŒãããŸãã
- ã¡ã¢ãªèŠæ±ãã¡ã¢ãªå¶éãšåãã«èšå®ããããšããå§ãããŸãã
- OKãã€ã³ã¹ããŒã«ãèŠæ±ãããŸãã
CPU <=1
ãã¢ããªã±ãŒã·ã§ã³ãè€éãªèšç®ãå®è¡ããªãå Žåã - ããŒãã§å©çšå¯èœãªãªãœãŒã¹ãè¶ ãããªãœãŒã¹ããªã¯ãšã¹ãããå Žåããããã¯ãã®ããŒãã«ã¹ã±ãžã¥ãŒã«ãããŸããã
- èŠæ±ããããªãœãŒã¹ã®æ£ããé/ãªãœãŒã¹å¶éã決å®ããã«ã¯ãè² è·ãã¹ããšç£èŠã䜿çšããŸãã
ãã®èšäºããªãœãŒã¹å¶éã®åºæ¬æŠå¿µãç解ããã®ã«åœ¹ç«ã€ããšãé¡ã£ãŠããŸãã ãããŠããã®ç¥èãä»äºã«å¿çšã§ããããã«ãªããŸãã
ã°ããã©ãã¯ïŒ
ä»ã«èªãã¹ãããšïŒ
SRE ã®å¯èŠ³æž¬æ§: åå空éãšã¡ããªãã¯æ§é .Kubernetes çšã® 90 以äžã®äŸ¿å©ãªããŒã«: ãããã€ã¡ã³ãã管çãã¢ãã¿ãªã³ã°ãã»ãã¥ãªãã£ãªã© .Telegram ã® Kubernetes ã«é¢ããç§ãã¡ã®ãã£ã³ãã« .
åºæïŒ habr.com