VMware vSphere (ãŸãã¯ãã®ä»ã®ãã¯ãããž ã¹ã¿ãã¯) ã«åºã¥ããä»®æ³ã€ã³ãã©ã¹ãã©ã¯ãã£ã管çããŠããå ŽåããããããŠãŒã¶ãŒãããä»®æ³ãã·ã³ãé
ã!ããšããèŠæ
ãããèãããšã«ãªãã§ãããã ãã®äžé£ã®èšäºã§ã¯ãããã©ãŒãã³ã¹ææšãåæããäœãåå ã§é床ãäœäžããã®ãããŸãé床ãäœäžããªãããã«ããæ¹æ³ã«ã€ããŠèª¬æããŸãã
ä»®æ³ãã·ã³ã®ããã©ãŒãã³ã¹ã«ã€ããŠæ¬¡ã®åŽé¢ãèæ ®ããŸãã
- CPUã
- RAMã
- ãã£ã¹ã¯ã
- ãããã¯ãŒã¯ã
CPUããå§ããŸãã
ããã©ãŒãã³ã¹ãåæããã«ã¯ã次ã®ãã®ãå¿ èŠã§ãã
- vCenter ããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒ â ããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒãvSphere Client ãéããŠã°ã©ãã衚瀺ã§ããŸãã ãããã®ã«ãŠã³ã¿ãŒã«é¢ããæ å ±ã¯ãã¯ã©ã€ã¢ã³ãã®ã©ã®ããŒãžã§ã³ã§ãå©çšã§ããŸã (C# ã®ãã·ãã¯ãã¯ã©ã€ã¢ã³ããFlex ã® Web ã¯ã©ã€ã¢ã³ããHTML5 ã® Web ã¯ã©ã€ã¢ã³ã)ã ãããã®èšäºã§ã¯ãC# ã¯ã©ã€ã¢ã³ãã®ã¹ã¯ãªãŒã³ã·ã§ããã䜿çšããŸããããã¯ãçž®å°ããã»ããèŠæ ããè¯ãããã§ã:)
- ESXTOP â ESXi ã³ãã³ã ã©ã€ã³ããå®è¡ãããŠãŒãã£ãªãã£ã ãããå©çšãããšãããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒã®å€ããªã¢ã«ã¿ã€ã ã§ååŸããããç¹å®ã®æéã®ãããã®å€ã .csv ãã¡ã€ã«ã«ã¢ããããŒãããŠããã«åæãããã§ããŸãã 次ã«ããã®ããŒã«ã«ã€ããŠè©³ãã説æãããã®ãããã¯ã«é¢ããããã¥ã¡ã³ããèšäºãžã®åœ¹ç«ã€ãªã³ã¯ãããã€ã玹ä»ããŸãã
ããã€ãã®èª¬
ESXi ã§ã¯ãå¥åã®ããã»ã¹ (VMware çšèªã§ã¯ãäžçã) ãå vCPU (ä»®æ³ãã·ã³ ã³ã¢) ã®åäœãæ
åœããŸãã ãµãŒãã¹ ããã»ã¹ããããŸãããVM ã®ããã©ãŒãã³ã¹ãåæãããšãã芳ç¹ããèŠããšãããã»ã©èå³æ·±ããã®ã§ã¯ãããŸããã
ESXi ã®ããã»ã¹ã¯ã次㮠XNUMX ã€ã®ç¶æ ã®ããããã«ãªããŸãã
- ã©ã³ â ããã»ã¹ã¯ããã€ãã®æçšãªäœæ¥ãå®è¡ããŸãã
- åŸ ã€ â ããã»ã¹ã¯äœãäœæ¥ãè¡ã£ãŠããªãã (ã¢ã€ãã«ç¶æ )ãå ¥åºåãåŸ æ©ããŠããŸãã
- ã³ã¹ããã â ãã«ãã³ã¢ä»®æ³ãã·ã³ã§çºçããç¶æ ã ãã®åé¡ã¯ããã€ããŒãã€ã¶ãŒ CPU ã¹ã±ãžã¥ãŒã© (ESXi CPU ã¹ã±ãžã¥ãŒã©) ããç©çãµãŒã㌠ã³ã¢äžã®ãã¹ãŠã®ã¢ã¯ãã£ããªä»®æ³ãã·ã³ ã³ã¢ã®åæå®è¡ãã¹ã±ãžã¥ãŒã«ã§ããªãå Žåã«çºçããŸãã ç©ççãªäžçã§ã¯ããã¹ãŠã®ããã»ããµ ã³ã¢ã䞊è¡ããŠåäœããVM å ã®ã²ã¹ã OS ãåæ§ã®åäœãæåŸ ããããããã€ããŒãã€ã¶ãŒã¯ãã¯ãã㯠ãµã€ã¯ã«ãããéãçµäºããèœåã®ãã VM ã³ã¢ã®é床ãäžããå¿ èŠããããŸãã ESXi ã®ææ°ããŒãžã§ã³ã§ã¯ãCPU ã¹ã±ãžã¥ãŒã©ã¯ç·©ååå調ã¹ã±ãžã¥ãŒãªã³ã°ãšåŒã°ããã¡ã«ããºã ã䜿çšããŸãããã€ããŒãã€ã¶ã¯ããæéãã®ä»®æ³ãã·ã³ ã³ã¢ãšãæãé ããä»®æ³ãã·ã³ ã³ã¢ã®éã®ã®ã£ããïŒã¹ãã¥ãŒïŒãèæ ®ããŸãã ã®ã£ãããç¹å®ã®ãããå€ãè¶ ãããšãé«éã³ã¢ã¯ã³ã¹ããããç¶æ ã«å ¥ããŸãã VM ã³ã¢ããã®ç¶æ ã§é·æéããããšãããã©ãŒãã³ã¹ã®åé¡ãçºçããå¯èœæ§ããããŸãã
- ã¬ã㣠â ãã€ããŒãã€ã¶ãŒãå®è¡çšã®ãªãœãŒã¹ãå²ãåœãŠãããšãã§ããªãå Žåãããã»ã¹ã¯ãã®ç¶æ ã«ãªããŸãã Ready å€ãé«ããšãVM ã®ããã©ãŒãã³ã¹ã®åé¡ãçºçããå¯èœæ§ããããŸãã
åºæ¬çãªä»®æ³ãã·ã³ã® CPU ããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒ
CPU䜿çšçã ïŒ ã æå®ãããæéã® CPU 䜿çšçã®å²åã衚瀺ããŸãã
ã©ã®ããã«åæããã®ã? VM ãäžè²«ã㊠CPU ã 90% 䜿çšããå ŽåããŸã㯠100% ãŸã§ã®ããŒã¯ãããå Žåã¯ãåé¡ãçºçããŠããŸãã åé¡ã¯ãVM å
ã®ã¢ããªã±ãŒã·ã§ã³ã®ãé
ããåäœã ãã§ãªãããããã¯ãŒã¯çµç±ã§ VM ã«ã¢ã¯ã»ã¹ã§ããªãããšã§ãè¡šããããšããããŸãã ç£èŠã·ã¹ãã ã«ãã£ãŠ VM ãå®æçã«äœäžããŠããããšã瀺ãããå Žåã¯ãCPU 䜿çšçã°ã©ãã®ããŒã¯ã«æ³šæããŠãã ããã
ä»®æ³ãã·ã³ã® CPU è² è·ã瀺ãæšæºã¢ã©ãŒã ããããŸãã
äœãããŸããïŒ VM ã® CPU 䜿çšçãåžžã«ç°åžžã«é«ãå Žåã¯ãvCPU ã®æ°ãå¢ããã (æ®å¿µãªããããããåžžã«åœ¹ç«ã€ãšã¯éããŸãã)ããã匷åãªããã»ããµãæèŒãããµãŒããŒã« VM ã移åããããšãæ€èšã§ããŸãã
CPU 䜿çšç (MHz)
vCenter ã®äœ¿çšç (%) ã®ã°ã©ãã§ã¯ãä»®æ³ãã·ã³å šäœã«ã€ããŠã®ã¿è¡šç€ºãããåã ã®ã³ã¢ã®ã°ã©ãã¯ãããŸãã (Esxtop ã«ã¯ã³ã¢ã® % å€ããããŸã)ã åã³ã¢ã®äœ¿çšç¶æ³ã MHz åäœã§ç¢ºèªã§ããŸãã
ã©ã®ããã«åæããã®ã? ã¢ããªã±ãŒã·ã§ã³ããã«ãã³ã¢ ã¢ãŒããã¯ãã£åãã«æé©åãããŠããªãå ŽåããããŸããã¢ããªã±ãŒã·ã§ã³ã¯ 100 ã€ã®ã³ã¢ã®ã¿ã XNUMX% 䜿çšããæ®ãã®ã³ã¢ã¯è² è·ãããããã¢ã€ãã«ç¶æ ã«ãªããŸãã ããšãã°ãããã©ã«ãã®ããã¯ã¢ããèšå®ã§ã¯ãMS SQL 㯠XNUMX ã€ã®ã³ã¢ã®ã¿ã§ããã»ã¹ãéå§ããŸãã ãã®çµæãããã¯ã¢ããã®é床ãäœäžããã®ã¯ããã£ã¹ã¯ã®é床ãé ãããã§ã¯ãªã (ããããŠãŒã¶ãŒãæåã«äžæºãè¿°ã¹ãŠããããšã§ã)ãããã»ããµã察å¿ã§ããªãããã§ãã ãã®åé¡ã¯ãã©ã¡ãŒã¿ãå€æŽããããšã§è§£æ±ºãããŸãããããã¯ã¢ããã¯è€æ°ã®ãã¡ã€ã« (ããããè€æ°ã®ããã»ã¹) ã§äžŠè¡ããŠå®è¡ããå§ããŸããã
ã³ã¢ã«å¯Ÿããäžåäžãªè² è·ã®äŸã
(äžã®ã°ã©ãã®ããã«) ã³ã¢ã®è² è·ãäžåäžã§ãäžéšã®ã³ã¢ã 100% ã®ããŒã¯ãæã€ç¶æ³ããããŸãã XNUMX ã€ã®ã³ã¢ã®ã¿ãããŒãããå Žåãšåæ§ãCPU 䜿çšçã®ã¢ã©ãŒã ã¯æ©èœããŸãã (VM å šäœã«å¯Ÿãããã®ã§ã) ããããã©ãŒãã³ã¹ã®åé¡ãçºçããŸãã
äœãããŸããïŒ ä»®æ³ãã·ã³å ã®ãœãããŠã§ã¢ãã³ã¢ãäžåçã«ããŒãããå Žå (XNUMX ã€ã®ã³ã¢ã®ã¿ãŸãã¯ã³ã¢ã®äžéšã䜿çšããå Žå)ãã³ã¢ã®æ°ãå¢ãããŠãæå³ããããŸããã ãã®å Žåããã匷åãªããã»ããµãæèŒãããµãŒããŒã« VM ã移åããããšããå§ãããŸãã
ãµãŒã㌠BIOS ã®æ¶è²»é»åèšå®ã確èªããŠã¿ãããšãã§ããŸãã å€ãã®ç®¡çè ã¯ãBIOS ã§ãã€ããã©ãŒãã³ã¹ ã¢ãŒããæå¹ã«ããããã«ãã£ãŠ C ã¹ããŒãããã³ P ã¹ããŒãã®çãšã ãã¯ãããžãç¡å¹ã«ããŸãã ææ°ã® Intel ããã»ããµã¯ãä»ã®ã³ã¢ãç ç²ã«ããŠåã ã®ããã»ããµ ã³ã¢ã®åšæ³¢æ°ãé«ããã¿ãŒã ããŒã¹ã ãã¯ãããžã䜿çšããŠããŸãã ãã ããããã¯çãšããã¯ãããžãŒããªã³ã«ãªã£ãŠããå Žåã«ã®ã¿æ©èœããŸãã ããããç¡å¹ã«ãããšãããã»ããµãŒã¯ããŒããããŠããªãã³ã¢ã®é»åæ¶è²»ãåæžã§ããªããªããŸãã
VMware ã§ã¯ããµãŒããŒã®çé»åãã¯ãããžãŒãç¡å¹ã«ãããé»å管çãå¯èœãªéããã€ããŒãã€ã¶ãŒã«ä»»ããã¢ãŒããéžæããããšãæšå¥šããŠããŸãã ãã®å Žåããã€ããŒãã€ã¶ãŒã®æ¶è²»é»åèšå®ã§ãé«ããã©ãŒãã³ã¹ããéžæããå¿ èŠããããŸãã
ã€ã³ãã©ã¹ãã©ã¯ãã£å ã« CPU åšæ³¢æ°ã®åäžãå¿ èŠãšããåã ã® VM (ãŸã㯠VM ã³ã¢) ãããå Žåãæ¶è²»é»åãæ£ãã調æŽããããšã§ããã©ãŒãã³ã¹ãå€§å¹ ã«åäžãããããšãã§ããŸãã
CPU 察å¿
VM ã³ã¢ (vCPU) ãæºåå®äºç¶æ ã®å Žåãæçšãªäœæ¥ã¯å®è¡ãããŸããã ãã®ç¶æ³ã¯ãä»®æ³ãã·ã³ã® vCPU ããã»ã¹ãå²ãåœãŠãããšãã§ãã空ãç©çã³ã¢ããã€ããŒãã€ã¶ãŒãèŠã€ããããªãå Žåã«çºçããŸãã
ã©ã®ããã«åæããã®ã? éåžžãä»®æ³ãã·ã³ã®ã³ã¢ã 10% 以äžã®æéã§æºåå®äºç¶æ ã«ããå Žåãããã©ãŒãã³ã¹ã®åé¡ãçºçããŸãã ç°¡åã«èšããšãVM 㯠10% 以äžã®æéãç©çãªãœãŒã¹ã䜿çšå¯èœã«ãªããŸã§åŸ æ©ããŸãã
vCenter ã§ã¯ãCPU Ready ã«é¢é£ãã 2 ã€ã®ã«ãŠã³ã¿ãŒã衚瀺ã§ããŸãã
- æºåã
- æºåãã§ããŸããã
äž¡æ¹ã®ã«ãŠã³ã¿ãŒã®å€ã¯ãVM å
šäœãšåã
ã®ã³ã¢ã®äž¡æ¹ã§è¡šç€ºã§ããŸãã
Readiness ã¯å€ãããŒã»ã³ããŒãžãšããŠããã«è¡šç€ºããŸããããªã¢ã«ã¿ã€ã ã§ã®ã¿è¡šç€ºãããŸã (éå» 20 æéã®ããŒã¿ã枬å®éé XNUMX ç§)ã ãã®ã«ãŠã³ã¿ãŒã¯ããããã«ã§ãçºçãããåé¡ãæ€çŽ¢ããå Žåã«ã®ã¿äœ¿çšããããšããå§ãããŸãã
Ready Counter ã®å€ã¯ãæŽå²çãªèŠ³ç¹ããèŠãããšãã§ããŸãã ããã¯ããã¿ãŒã³ã確ç«ããããåé¡ãããæ·±ãåæãããããã®ã«åœ¹ç«ã¡ãŸãã ããšãã°ãä»®æ³ãã·ã³ãããæç¹ã§ããã©ãŒãã³ã¹ã®åé¡ãçºçãå§ããå ŽåãCPU Ready å€ã®ééãšããã® VM ãå®è¡ãããŠãããµãŒããŒã®åèšè² è·ãæ¯èŒããè² è·ã軜æžããããã®æªçœ®ãè¬ããããšãã§ããŸã (DRS ã®å Žå)ã倱æããŸãïŒã
Readiness ãšã¯ç°ãªããReady ã¯ããŒã»ã³ããŒãžã§ã¯ãªãããªç§ã§è¡šç€ºãããŸãã ããã¯åèšã¿ã€ãã®ã«ãŠã³ã¿ãŒã§ããã€ãŸãã枬å®æéäžã« VM ã³ã¢ãæºåå®äºç¶æ ã«ãã£ãæéã瀺ããŸãã 次ã®ç°¡åãªåŒã䜿çšããŠããã®å€ãããŒã»ã³ããŒãžã«å€æã§ããŸãã
(CPU ã¬ãã£ã®åèšå€ / (ã°ã©ãã®ããã©ã«ãã®æŽæ°éé (ç§) * 1000)) * 100 = CPU ã¬ã㣠%
ããšãã°ã以äžã®ã°ã©ãã® VM ã®å Žåãä»®æ³ãã·ã³å šäœã®ããŒã¯ã® Ready å€ã¯æ¬¡ã®ããã«ãªããŸãã
Ready ããŒã»ã³ããŒãžãèšç®ãããšãã¯ã次㮠XNUMX ã€ã®ç¹ã«æ³šæããå¿
èŠããããŸãã
- VM å šäœã® Ready å€ã¯ãã³ã¢å šäœã® Ready ã®åèšã§ãã
- 枬å®ééã ãªã¢ã«ã¿ã€ã ã®å Žå㯠20 ç§ãããšãã°æ¥è¶³ãã£ãŒãã§ã¯ 300 ç§ã§ãã
ç©æ¥µçãªãã©ãã«ã·ã¥ãŒãã£ã³ã°ãè¡ããšããããã®åçŽãªãã€ã³ããç°¡åã«èŠèœãšãããååšããªãåé¡ã®è§£æ±ºã«è²Žéãªæéãç¡é§ã«ãªãå¯èœæ§ããããŸãã
以äžã®ã°ã©ãã®ããŒã¿ã«åºã¥ã㊠Ready ãèšç®ããŠã¿ãŸãããã (324474/(20*1000))*100 = VM å šäœã® 1622%ã ã³ã¢ãèŠãã°ããã»ã©æããªãïŒ1622/64 = ã³ã¢ããã 25%ã ãã®å Žåãåé¡ã¯éåžžã«ç°¡åã«èŠã€ãããŸããReady å€ã¯éçŸå®çã§ãã ãã ããè€æ°ã®ã³ã¢ãåãã VM å šäœã§ 10 ïœ 20% ã«ã€ããŠè©±ããŠããå Žåãåã³ã¢ã®å€ã¯éåžžã®ç¯å²å ã§ããå¯èœæ§ããããŸãã
äœãããŸããïŒ Ready å€ãé«ãå Žåã¯ããµãŒããŒã«ä»®æ³ãã·ã³ã®éåžžã®åäœã«ååãªããã»ããµ ãªãœãŒã¹ããªãããšã瀺ããŸãã ãã®ãããªç¶æ³ã§ã¯ãæ®ã£ãŠããã®ã¯ããã»ããµãŒ (vCPU:pCPU) ã«ãããªãŒããŒãµãã¹ã¯ãªãã·ã§ã³ãæžããããšã ãã§ãã æããã«ãããã¯ãæ¢åã® VM ã®ãã©ã¡ãŒã¿ãæžããããVM ã®äžéšãä»ã®ãµãŒããŒã«ç§»è¡ããããšã«ãã£ãŠå®çŸã§ããŸãã
å ±ååæ¢
ã©ã®ããã«åæããã®ã? ãã®ã«ãŠã³ã¿ã Summation ã¿ã€ãã§ãããReady ãšåãæ¹æ³ã§ããŒã»ã³ããŒãžã«å€æãããŸãã
(CPU åæåæ¢ã®åèšå€ / (ã°ã©ãã®ããã©ã«ãæŽæ°éé (ç§) * 1000)) * 100 = CPU åæåæ¢ %
ããã§ã¯ãVM äžã®ã³ã¢ã®æ°ãšæž¬å®ééã«ã泚æããå¿
èŠããããŸãã
Costop ç¶æ
ã§ã¯ãã«ãŒãã«ã¯æçšãªäœæ¥ãå®è¡ããŸããã VM ãµã€ãºãšãµãŒããŒäžã®éåžžã®è² è·ãæ£ããéžæãããšãå
±ååæ¢ã«ãŠã³ã¿ãŒã¯ãŒãã«è¿ã¥ãã¯ãã§ãã
ãã®å Žåãè² è·ã¯æããã«ç°åžžã§ã:)
äœãããŸããïŒ å€æ°ã®ã³ã¢ãåããè€æ°ã® VM ã XNUMX ã€ã®ãã€ããŒãã€ã¶ãŒäžã§å®è¡ãããŠãããCPU ã§ãªãŒããŒãµãã¹ã¯ãªãã·ã§ã³ãçºçãããšãå ±ååæ¢ã«ãŠã³ã¿ãŒãå¢å ãããããã® VM ã®ããã©ãŒãã³ã¹ã«åé¡ãçºçããå¯èœæ§ããããŸãã
ãŸããXNUMX ã€ã® VM ã®ã¢ã¯ãã£ã ã³ã¢ãããã€ããŒãã¬ãããæå¹ã«ãªã£ãŠãã XNUMX ã€ã®ç©çãµãŒã㌠ã³ã¢äžã®ã¹ã¬ããã䜿çšããå Žåãå
±ååæ¢ãå¢å ããŸãã ãã®ç¶æ³ã¯ãããšãã°ãVM ãå®è¡ãããŠãããµãŒããŒäžã§ç©ççã«å©çšå¯èœãªã³ã¢ãããå€ãã®ã³ã¢ã VM ã«æã£ãŠããå ŽåããŸã㯠VM ã«å¯ŸããŠãpreferHTãèšå®ãæå¹ã«ãªã£ãŠããå Žåã«çºçããå¯èœæ§ããããŸãã ãã®èšå®ã«ã€ããŠã¯ãã¡ããã芧ãã ãã
é«ãåæåæ¢ã«ãã VM ã®ããã©ãŒãã³ã¹ã®åé¡ãåé¿ããã«ã¯ããã® VM äžã§å®è¡ããããœãããŠã§ã¢ã®è£œé å ã®æšå¥šäºé ãšãVM ãå®è¡ãããç©çãµãŒããŒã®æ©èœã«åŸã£ãŠ VM ãµã€ãºãéžæããŸãã
äºåã®ã³ã¢ãè¿œå ããªãã§ãã ãããããã«ãããVM èªäœã ãã§ãªãããµãŒããŒäžã®é£æ¥ãã VM ã«ãããã©ãŒãã³ã¹ã®åé¡ãçºçããå¯èœæ§ããããŸãã
ãã®ä»ã®æçšãª CPU ã¡ããªã¯ã¹
ã©ã³ â 枬å®æéäžã« vCPU ã RUN ç¶æ ã«ãã£ãæé (ããªç§)ãã€ãŸãå®éã«æçšãªäœæ¥ãå®è¡ããŠããæéã
ã¢ã€ãã« â 枬å®æéäžã« vCPU ãéã¢ã¯ãã£ãç¶æ ã«ãã£ãæé (ããªç§)ã é«ãã¢ã€ãã«å€ã¯åé¡ã§ã¯ãããŸãããvCPU ã¯åã«ãäœãããããšããªããã ãã§ãã
åŸ ã€ â 枬å®æéäžã« vCPU ãåŸ æ©ç¶æ ã«ãã£ãæé (ããªç§)ã ãã®ã«ãŠã³ã¿ãŒã«ã¯ IDLE ãå«ãŸããŠãããããWait å€ãé«ããŠãåé¡ã¯ãããŸããã ãã ããWait ãé«ããšãã« Wait IDLE ãäœãå Žåã¯ãVM ã I/O æäœã®å®äºãåŸ ã£ãŠããããšãæå³ããããã¯ããŒã ãã©ã€ããŸã㯠VM ã®ä»®æ³ããã€ã¹ã®ããã©ãŒãã³ã¹ã«åé¡ãããããšã瀺ããŠããå¯èœæ§ããããŸãã
æ倧å¶éãã â èšå®ããããªãœãŒã¹å¶éã«ããã枬å®æéäžã« vCPU ãæºåå®äºç¶æ ã«ãªã£ãæé (ããªç§)ã ããã©ãŒãã³ã¹ã説æã§ããªãã»ã©äœãå Žåã¯ããã®ã«ãŠã³ã¿ãŒã®å€ãš VM èšå®ã® CPU å¶éã確èªãããšäŸ¿å©ã§ãã å®éãVM ã«ã¯ããŠãŒã¶ãŒãæ°ã¥ããŠããªãå¶éãããå¯èœæ§ããããŸãã ããšãã°ãããã¯ãCPU å¶éãèšå®ãããŠãããã³ãã¬ãŒããã VM ã®ã¯ããŒã³ãäœæãããå Žåã«çºçããŸãã
ã¹ã¯ããåŸ æ© â 枬å®æéäžã« vCPU ã VMkernel ã¹ã¯ããã«ããæäœãåŸ æ©ããæéã ãã®ã«ãŠã³ã¿ãŒã®å€ããŒããã倧ããå ŽåãVM ã«ã¯æããã«ããã©ãŒãã³ã¹ã®åé¡ããããŸãã SWAP ã«ã€ããŠã¯ãRAM ã«ãŠã³ã¿ãŒã«é¢ããèšäºã§è©³ãã説æããŸãã
ESXTOP
vCenter ã®ããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒãå±¥æŽããŒã¿ã®åæã«é©ããŠããå Žåã¯ãåé¡ã®éçšåæã ESXTOP ã§è¡ãæ¹ãé©åã§ãã ããã§ã¯ããã¹ãŠã®å€ãæ¢è£œã®åœ¢åŒã§è¡šç€ºããïŒäœã翻蚳ããå¿
èŠã¯ãããŸããïŒãæå°æž¬å®æé㯠2 ç§ã§ãã
CPU ã® ESXTOP ç»é¢ã¯ãcãããŒã§åŒã³åºããã次ã®ããã«ãªããŸãã
䟿å®äžãShift-V ãæŒããšãä»®æ³ãã·ã³ã®ããã»ã¹ã®ã¿ãæ®ãããšãã§ããŸãã
åã
ã® VM ã³ã¢ã®ã¡ããªã¯ã¹ã衚瀺ããã«ã¯ããeããæŒããŠã察象㮠VM ã® GID (以äžã®ã¹ã¯ãªãŒã³ã·ã§ããã§ã¯ 30919) ãå
¥åããŸãã
ããã©ã«ãã§è¡šç€ºãããåã«ã€ããŠç°¡åã«èª¬æããŸãã ãfããæŒããšåãè¿œå ã§ããŸãã
NWLD (ã¯ãŒã«ãã®æ°) â ã°ã«ãŒãå ã®ããã»ã¹ã®æ°ã ã°ã«ãŒããå±éããŠåããã»ã¹ (ããšãã°ããã«ãã³ã¢ VM ã®åã³ã¢) ã®ã¡ããªãã¯ã衚瀺ããã«ã¯ããeããæŒããŸãã ã°ã«ãŒãå ã«è€æ°ã®ããã»ã¹ãååšããå Žåãã°ã«ãŒãã®ã¡ããªãã¯å€ã¯ãåã ã®ããã»ã¹ã®ã¡ããªãã¯ã®åèšãšçãããªããŸãã
ïŒ äœ¿çšæžã¿ â ããã»ã¹ãŸãã¯ããã»ã¹ã®ã°ã«ãŒãã«ãã£ãŠäœ¿çšããããµãŒã㌠CPU ãµã€ã¯ã«ã®æ°ã
ïŒ èµ°ã â 枬å®æéäžã«ããã»ã¹ã RUN ç¶æ ã«ãã£ãæéãã€ãŸãæçãªä»äºãããŸããã ããã¯ããã€ããŒã¹ã¬ããã£ã³ã°ãåšæ³¢æ°ã¹ã±ãŒãªã³ã°ãããã³ã·ã¹ãã ã¿ã¹ã¯ (%SYS) ã«è²»ããããæéãèæ ®ããªããšããç¹ã§ %USED ãšã¯ç°ãªããŸãã
%SYS â ã·ã¹ãã ã¿ã¹ã¯ã«è²»ããããæé (äŸ: å²ã蟌ã¿åŠçãI/Oããããã¯ãŒã¯æäœãªã©)ãVM ã® I/O ã倧ããå Žåãå€ãé«ããªãå¯èœæ§ããããŸãã
%OVRLP â VM ããã»ã¹ãå®è¡ãããŠããç©çã³ã¢ãä»ã®ããã»ã¹ã®ã¿ã¹ã¯ã«è²»ãããæéã
ãããã®ã¡ããªã¯ã¹ã¯æ¬¡ã®ããã«çžäºã«é¢é£ããŸãã
%USED = %RUN + %SYS - %OVRLPã
éåžžã%USED ã¡ããªãã¯ã®æ¹ãæçã§ãã
ïŒ åŸ ã£ãŠ â 枬å®æéäžã«ããã»ã¹ãåŸ æ©ç¶æ ã«ãã£ãæéã IDLE ãæå¹ã«ããŸãã
%IDLE â 枬å®æéäžã«ããã»ã¹ã IDLE ç¶æ ã«ãã£ãæéã
%SWPWT â 枬å®æéäžã« vCPU ã VMkernel ã¹ã¯ããã«ããæäœãåŸ æ©ããæéã
%VMWAIT â 枬å®æéäžãvCPU ãã€ãã³ã (é垞㯠I/O) ãåŸ æ©ããŠããç¶æ ã«ãã£ãæéã vCenter ã«ã¯åæ§ã®ã«ãŠã³ã¿ããããŸããã å€ãé«ãå Žåã¯ãVM äžã® I/O ã«åé¡ãããããšã瀺ããŸãã
%WAIT = %VMWAIT + %IDLE + %SWPWTã
VM ã VMkernel ã¹ã¯ããã䜿çšããªãå Žåãããã©ãŒãã³ã¹ã®åé¡ãåæãããšãã¯ã%VMWAIT ã確èªããããšããå§ãããŸããããã¯ããã®ã¡ããªã¯ã¹ã«ã¯ãVM ãäœãããŠããªãã£ãæé (%IDLE) ãèæ ®ãããŠããªãããã§ãã
%RDY â 枬å®æéäžã«ããã»ã¹ãæºåå®äºç¶æ ã«ãã£ãæéã
%CSTP â 枬å®æéäžã«ããã»ã¹ãã³ã¹ããããç¶æ ã«ãã£ãæéã
%MLMTD â èšå®ããããªãœãŒã¹å¶éã«ããã枬å®æéäžã« vCPU ãæºåå®äºç¶æ ã«ãªã£ãŠããæéã
%WAIT + %RDY + %CSTP + %RUN = 100% â VM ã³ã¢ã¯åžžã«ããã XNUMX ã€ã®ç¶æ ã®ããããã«ãªããŸãã
ãã€ããŒãã€ã¶ãŒäžã®CPU
vCenter ã«ã¯ãã€ããŒãã€ã¶ãŒã® CPU ããã©ãŒãã³ã¹ ã«ãŠã³ã¿ãŒããããŸãããããã¯äœãèå³æ·±ããã®ã§ã¯ãªããåã«ãµãŒããŒäžã®ãã¹ãŠã® VM ã®ã«ãŠã³ã¿ãŒã®åèšã«ãããŸããã
ãµãŒããŒã® CPU ã¹ããŒã¿ã¹ã衚瀺ããæã䟿å©ãªæ¹æ³ã¯ã[æŠèŠ] ã¿ãã䜿çšããããšã§ãã
ãµãŒããŒããã³ä»®æ³ãã·ã³ã«å¯ŸããŠãæšæºã®ã¢ã©ãŒã ããããŸãã
ãµãŒããŒã® CPU è² è·ãé«ããªããšããµãŒããŒäžã§å®è¡ãããŠãã VM ã§ããã©ãŒãã³ã¹ã®åé¡ãçºçãå§ããŸãã
ESXTOP ã§ã¯ããµãŒããŒã® CPU è² è·ããŒã¿ãç»é¢ã®äžéšã«è¡šç€ºãããŸãã æšæºã® CPU è² è· (ãã€ããŒãã€ã¶ãŒã«ãšã£ãŠããŸãæçã§ã¯ãããŸãã) ã«å ããŠãããã« XNUMX ã€ã®ã¡ããªã¯ã¹ããããŸãã
ã³ã¢äœ¿çšç(%) â ç©çãµãŒããŒã³ã¢ãããŒãããŸãã ãã®ã«ãŠã³ã¿ãŒã¯ã枬å®æéäžã«ã³ã¢ãäœæ¥ãå®è¡ããæéã瀺ããŸãã
PCPU䜿çšç(%) â ãã€ããŒã¹ã¬ããã£ã³ã°ãæå¹ãªå Žåãç©çã³ã¢ããšã« XNUMX ã€ã®ã¹ã¬ãã (PCPU) ãååšããŸãã ãã®ã¡ããªã¯ã¹ã¯ãåã¹ã¬ãããäœæ¥ãå®äºãããŸã§ã«ããã£ãæéã瀺ããŸãã
PCPU䜿çšç(%) â PCPU UTIL(%) ãšåãã§ãããåšæ³¢æ°ã¹ã±ãŒãªã³ã° (ãšãã«ã®ãŒç¯çŽã®ç®çã§ã³ã¢åšæ³¢æ°ãäžããããã¿ãŒã ããŒã¹ã ãã¯ãããžã«ãã£ãŠã³ã¢åšæ³¢æ°ãå¢ãã) ãšãã€ããŒã¹ã¬ããã£ã³ã°ãèæ ®ãããŸãã
PCPU_USED% = PCPU_UTIL% * å®å¹ã³ã¢åšæ³¢æ° / å ¬ç§°ã³ã¢åšæ³¢æ°ã
ãã®ã¹ã¯ãªãŒã³ã·ã§ããã§ã¯ãäžéšã®ã³ã¢ã§ã¯ãã¿ãŒã ããŒã¹ãã«ãããã³ã¢åšæ³¢æ°ãå
¬ç§°åšæ³¢æ°ãããé«ããããUSED å€ã 100% ãè¶
ããŠããŸãã
ãã€ããŒã¹ã¬ããã£ã³ã°ãã©ã®ããã«èæ ®ããããã«ã€ããŠå°ã説æããŸãã ã³ã¢ãå ¬ç§°åšæ³¢æ°ã§åäœããŠãããšãã«ããµãŒããŒã®ç©çã³ã¢ã®äž¡æ¹ã®ã¹ã¬ããã§ããã»ã¹ã 100% ã®æéå®è¡ãããå Žåã次ã®ããã«ãªããŸãã
- ã³ã¢ã®CORE UTILã¯100%ãšãªãã
- äž¡æ¹ã®ã¹ã¬ããã® PCPU UTIL 㯠100% ã«ãªããŸãã
- äž¡æ¹ã®ã¹ã¬ããã® PCPU 䜿çšç㯠50% ã«ãªããŸãã
äž¡æ¹ã®ã¹ã¬ããã枬å®æéäžã« 100% åäœããªãã£ãå Žåãã¹ã¬ããã䞊è¡ããŠåäœããŠããæéäžãã³ã¢ã® PCPU 䜿çšéã¯ååã«åå²ãããŸãã
ESXTOP ã«ã¯ããµãŒããŒã® CPU æ¶è²»é»åãã©ã¡ãŒã¿ãå«ãç»é¢ããããŸãã ããã§ã¯ããµãŒããŒãçãšãã«ã®ãŒæè¡ (C ã¹ããŒããš P ã¹ããŒã) ã䜿çšããŠãããã©ããã確èªã§ããŸãã ãpãããŒã«ãã£ãŠåŒã³åºãããŸã:
äžè¬ç㪠CPU ããã©ãŒãã³ã¹ã®åé¡
æåŸã«ãVM CPU ããã©ãŒãã³ã¹ã«é¢ããåé¡ã®äžè¬çãªåå ã説æãããããã解決ããããã®ç°¡åãªãã³ãã瀺ããŸãã
ã³ã¢ã¯ããã¯é床ãååã§ã¯ãããŸããã VM ããã匷åãªã³ã¢ã«ã¢ããã°ã¬ãŒãã§ããªãå Žåã¯ãTurbo Boost ãããå¹ççã«åäœããããã«é»æºèšå®ãå€æŽããŠã¿ãããšãã§ããŸãã
VM ã®ãµã€ãžã³ã°ãæ£ãããªã (ã³ã¢ãå€ããã/å°ãªããã)ã ã€ã³ã¹ããŒã«ããã³ã¢ã®æ°ãå°ãªãå ŽåãVM ã® CPU è² è·ãé«ããªããŸãã å€ãå Žåã¯é«ãã³ã¹ããããæãŸããŸãããã
ãµãŒããŒäžã® CPU ãå€§å¹ ã«ãªãŒããŒãµãã¹ã¯ãªãã·ã§ã³ã VM ã® Ready ã¬ãã«ãé«ãå Žåã¯ãCPU ã®ãªãŒããŒãµãã¹ã¯ãªãã·ã§ã³ãæžãããŸãã
倧èŠæš¡ãª VM äžã®äžé©å㪠NUMA ããããžã VM ãèªèãã NUMA ããããž (vNUMA) ã¯ããµãŒããŒã® NUMA ããããž (pNUMA) ãšäžèŽããå¿
èŠããããŸãã ãã®åé¡ã®èšºæãšèãããã解決çã¯ãããšãã°æ¬¡ã®æ¬ã«æžãããŠããŸãã
CPU ã«ã€ããŠã¯ä»¥äžã§ãã 質åãããã 次ã®ããŒãã§ã¯ RAM ã«ã€ããŠèª¬æããŸãã
䟿å©ãªãªã³ã¯é
åºæïŒ habr.com