ãµã€ãä¿¡é Œæ§ãšã³ãžãã¢ãªã³ã°ïŒSREïŒã«ããããšã©ãŒããžã§ããã®å®è£ ãšæŽ»çšæ¹æ³ãåŠã³ãã€ãããŒã·ã§ã³ãšä¿¡é Œæ§ã®ãã©ã³ã¹ãåããæé©ãªã·ã¹ãã ããã©ãŒãã³ã¹ã確ä¿ããŸãã
ãµã€ãä¿¡é Œæ§ãšã³ãžãã¢ãªã³ã°ïŒä¿¡é Œæ§ã®é«ãã·ã¹ãã ã®ããã®ãšã©ãŒããžã§ããã®ç¿åŸ
仿¥ã®ããŒã¹ã®éãããžã¿ã«ç°å¢ã§ã¯ãä¿¡é Œæ§ã®é«ãã·ã¹ãã ãç¶æããããšãæãéèŠã§ãããµã€ãä¿¡é Œæ§ãšã³ãžãã¢ãªã³ã°ïŒSREïŒã¯ããã®ç®æšãéæããããã®æ§é åãããã¢ãããŒããæäŸããŸããSREã«ãããéèŠãªæŠå¿µã®1ã€ããšã©ãŒããžã§ããã§ããããã¯ãã€ãããŒã·ã§ã³ãšä¿¡é Œæ§ã®ãã©ã³ã¹ãåã匷åãªããŒã«ã§ãããã®å æ¬çãªã¬ã€ãã§ã¯ããšã©ãŒããžã§ããã®æŠå¿µããã®éèŠæ§ãå®çŸ©ãšå®è£ ã®æ¹æ³ããããŠãã®å¹æãæå€§åããããã®ãã¹ããã©ã¯ãã£ã¹ã«ã€ããŠæ¢ããŸãã
ãšã©ãŒããžã§ãããšã¯ïŒ
ãšã©ãŒããžã§ããã¯ããµãŒãã¹ãç¹å®ã®æéïŒäŸïŒæãååæã幎ïŒã«ããã£ãŠèç©ããããšãèš±ãããä¿¡é Œæ§ã®äœããããŠã³ã¿ã€ã ã®éã衚ããŸããããã¯ãä¿¡é Œæ§ç®æšïŒãµãŒãã¹ã¬ãã«ç®æšãŸãã¯SLOïŒã«éåããåã«èš±å®¹ãããé害ã®ã¬ãã«ã§ããæ°ããæ©èœã®ãããã€ãã³ãŒãã®ãªãã¡ã¯ã¿ãªã³ã°ãæ°ããæè¡ã®å®éšãªã©ããªã¹ã¯ã䌎ãäºæã«ãè²»ãããããšãã§ããäºç®ãšèããŠãã ããããšã©ãŒããžã§ããã䜿ãæãããããšãããŒã ã¯ä¿¡é Œæ§ã«çŠç¹ãåœãŠãäœæ¥ãåªå ããªããã°ãªããŸããã
æ¬è³ªçã«ããšã©ãŒããžã§ããã¯ãã€ãããŒã·ã§ã³ãšä¿¡é Œæ§ã®ã©ã¡ããåªå ããããæ±ºå®ããããã®ããŒã¿é§ååã®ã¢ãããŒããæäŸããŸãããšã©ãŒããžã§ããããªããã°ãæ°æ©èœã®ãããã€ãšãã°ä¿®æ£ã«é¢ããæ±ºå®ã¯äž»èгçã«ãªããå人çãªæèŠãçæçãªãã¬ãã·ã£ãŒã«åºã¥ãããã®ã«ãªããã¡ã§ãã
äŸãã°ãæéã®ã¢ããã¿ã€ã SLOã99.9%ã®ãµãŒãã¹ãèããŠã¿ãŸããããããã¯ããµãŒãã¹ãæã«æå€§43.2åéããŠã³ã§ããããšãæå³ããŸãããã®43.2åããšã©ãŒããžã§ãããæ§æããŸãã
ãªããšã©ãŒããžã§ããã¯éèŠãªã®ãïŒ
ãšã©ãŒããžã§ããã«ã¯ãããã€ãã®éèŠãªå©ç¹ããããŸãïŒ
- ããŒã¿é§ååã®æææ±ºå®ïŒ ãšã©ãŒããžã§ããã¯ããªã¹ã¯ãã€ã¯ã«é¢ããæ±ºå®ãå°ãããã®å®éçãªææšãæäŸããŸããçŽæã«é Œãã®ã§ã¯ãªããããŒã ã¯ããŒã¿ã䜿çšããŠãã€ãããŒã·ã§ã³ãšä¿¡é Œæ§åäžã®ã©ã¡ããåªå ãããã倿ã§ããŸãã
- ã€ãããŒã·ã§ã³ãšä¿¡é Œæ§ã®ãã©ã³ã¹ïŒ ããã«ãããããŒã ã¯èš±å®¹å¯èœãªã¬ãã«ã®ä¿¡é Œæ§ãç¶æããªãããèšç®ããããªã¹ã¯ãåããè¿ éã«ã€ãããŒã·ã§ã³ãé²ããããšãã§ããŸããæ°æ©èœã®ãªãªãŒã¹ãšãµãŒãã¹ã®å®å®æ§ç¶æãšã®éã®ã¹ã€ãŒãã¹ããããèŠã€ããããšãéèŠã§ãã
- ã³ãã¥ãã±ãŒã·ã§ã³ã®æ¹åïŒ ãšã©ãŒããžã§ããã¯ããšã³ãžãã¢ãªã³ã°ããããã¯ããããžãã¹ã®åã¹ããŒã¯ãã«ããŒéã®æç¢ºãªã³ãã¥ãã±ãŒã·ã§ã³ãä¿é²ããŸãã誰ããé¢ãããã¬ãŒããªããçè§£ããå ±ã«æ å ±ã«åºã¥ããæ±ºå®ãäžãããšãã§ããŸãã
- ãªãŒããŒã·ãããšèª¬æè²¬ä»»ã®åŒ·åïŒ ããŒã ããšã©ãŒããžã§ããã®ç®¡çã«è²¬ä»»ãæã€ããã«ãªããšã圌ãã¯èªåãã¡ã®ãµãŒãã¹ã®ä¿¡é Œæ§ã«å¯ŸããŠãã説æè²¬ä»»ãè² ãããã«ãªããŸãã
- åŠç¿ãšã€ãã¬ãŒã·ã§ã³ã®é«éåïŒ ãšã©ãŒããžã§ããã®æ¶è²»ã远跡ããããšã§ãããŒã ã¯å€±æããåŠã³ãããã»ã¹ãæ¹åããããéãã€ãã¬ãŒã·ã§ã³ãµã€ã¯ã«ã«ã€ãªãããŸãã
ãµãŒãã¹ã¬ãã«ç®æšïŒSLOïŒããµãŒãã¹ã¬ãã«ã¢ã°ãªãŒã¡ã³ãïŒSLAïŒããµãŒãã¹ã¬ãã«ã€ã³ãžã±ãŒã¿ãŒïŒSLIïŒã®çè§£
ãšã©ãŒããžã§ããã广çã«æŽ»çšããããã«ã¯ãé¢é£ããSLOãSLAãSLIã®æŠå¿µãçè§£ããããšãäžå¯æ¬ ã§ãïŒ
- ãµãŒãã¹ã¬ãã«ã€ã³ãžã±ãŒã¿ãŒïŒSLIïŒïŒ ãããã¯ãµãŒãã¹ããã©ãŒãã³ã¹ã®å®éç尺床ã§ããäŸãšããŠã¯ãã¢ããã¿ã€ã ãã¬ã€ãã³ã·ããšã©ãŒçãã¹ã«ãŒããããªã©ããããŸãããããã¯ãµãŒãã¹ã®ããã©ãŒãã³ã¹ã*枬å®*ããŸããäŸãã°ãSLIïŒæ£åžžã«è¿ãããHTTPãªã¯ãšã¹ãã®å²åïŒäŸïŒ200 OKïŒã
- ãµãŒãã¹ã¬ãã«ç®æšïŒSLOïŒïŒ ãããã¯SLIã«å¯Ÿããç¹å®ã®ç®æšã§ããæãŸããããã©ãŒãã³ã¹ã¬ãã«ãå®çŸ©ããŸããSLOã¯SLIã®*ç®æš*ã§ããäŸãã°ãSLOïŒ1æŠæã«ãããŠãHTTPãªã¯ãšã¹ãã®99.9%ãæ£åžžã«è¿ãããããšã
- ãµãŒãã¹ã¬ãã«ã¢ã°ãªãŒã¡ã³ãïŒSLAïŒïŒ ãããã¯ãµãŒãã¹ãããã€ããŒãšãã®é¡§å®¢ãšã®éã®å¥çŽã§ãããSLOãæºãããªãã£ãå Žåã®çµæãæŠèª¬ããŸããããã«ã¯ãã°ãã°ééçãªããã«ãã£ãå«ãŸããŸããSLAã¯ç¹å®ã®SLOãä¿èšŒãã*å¥çŽ*ã§ãã
ãšã©ãŒããžã§ããã¯SLOããçŽæ¥å°åºãããŸããããã¯100%ã®ä¿¡é Œæ§ãšSLOç®æšãšã®å·®ã衚ããŸããäŸãã°ãSLOã99.9%ã®ã¢ããã¿ã€ã ã§ããã°ããšã©ãŒããžã§ããã¯0.1%ã®ããŠã³ã¿ã€ã ã«ãªããŸãã
ãšã©ãŒããžã§ããã®å®çŸ©ïŒã¹ããããã€ã¹ãããã¬ã€ã
广çãªãšã©ãŒããžã§ãããå®çŸ©ããã«ã¯ãæ§é åãããã¢ãããŒããå¿ èŠã§ãïŒ
1. SLOãå®çŸ©ãã
ãŸããããžãã¹ããŒãºãšé¡§å®¢ã®æåŸ ã«åºã¥ããŠSLOãæç¢ºã«å®çŸ©ããããšããå§ããŸããæ¬¡ã®ãããªèŠçŽ ãèæ ®ããŠãã ããïŒ
- ãŠãŒã¶ãŒãžã®åœ±é¿ïŒ ãµãŒãã¹ã®ã©ã®åŽé¢ããŠãŒã¶ãŒã«ãšã£ãŠæãéèŠã§ããïŒ
- ããžãã¹ç®æšïŒ ãµãŒãã¹ããµããŒãããäž»èŠãªããžãã¹ç®æšã¯äœã§ããïŒ
- æè¡çãªå®çŸå¯èœæ§ïŒ çŸåšã®ã€ã³ãã©ã¹ãã©ã¯ãã£ãšãªãœãŒã¹ãèæ ®ããŠãçŸå®çã«éæå¯èœãªä¿¡é Œæ§ã®ã¬ãã«ã¯ã©ã®çšåºŠã§ããïŒ
äžè¬çãªSLOã«ã¯ãã¢ããã¿ã€ã ãã¬ã€ãã³ã·ããšã©ãŒçãã¹ã«ãŒããããªã©ããããŸããçŸå®çã§æž¬å®å¯èœãªç®æšãéžæããããšãå¿ããªãã§ãã ãããæåã¯å°ãäœãã®SLOããå§ãããµãŒãã¹ãæçããã«ã€ããŠåŸã ã«åŒãäžããã®ãè¯ãã§ãããã
äŸïŒ ã°ããŒãã«ãªEã³ããŒã¹ãã©ãããã©ãŒã ã¯ã次ã®ãããªSLOãå®çŸ©ãããããããŸããïŒ
- ã¢ããã¿ã€ã ïŒ ããŒã¯æïŒäŸïŒãã©ãã¯ãã©ã€ããŒïŒã®ã·ã§ããã³ã°ã«ãŒããµãŒãã¹ã®ã¢ããã¿ã€ã ã99.99%ãšããã
- ã¬ã€ãã³ã·ïŒ ååæ€çŽ¢ã¯ãšãªã®95ããŒã»ã³ã¿ã€ã«ã¬ã€ãã³ã·ã200msæªæºãšããã
- ãšã©ãŒçïŒ æ³šæåŠçã®ãšã©ãŒçã0.1%æªæºãšããã
2. ãšã©ãŒããžã§ãããèšç®ãã
SLOãå®çŸ©ãããã察å¿ãããšã©ãŒããžã§ãããèšç®ããŸããããã¯éåžžãç¹å®ã®æéã«èš±å®¹ãããããŠã³ã¿ã€ã ãŸãã¯ãšã©ãŒã®å²åãšããŠè¡šçŸãããŸãã
èšç®åŒïŒ ãšã©ãŒããžã§ãã = 100% - SLO
äŸïŒ ã¢ããã¿ã€ã ã®SLOã99.9%ã®å Žåããšã©ãŒããžã§ããã¯0.1%ã§ããããã¯ãæãããçŽ43åéã®ããŠã³ã¿ã€ã ã«çžåœããŸãã
3. é©åãªæéæ ãéžæãã
ãªãªãŒã¹ãµã€ã¯ã«ãšããžãã¹ããŒãºã«åã£ããšã©ãŒããžã§ããã®æéæ ãéžæããŸããäžè¬çãªæéæ ã«ã¯æ¬¡ã®ãã®ããããŸãïŒ
- ææ¬¡ïŒ é »ç¹ãªãã£ãŒãããã¯ãæäŸããè¿ éãªèª¿æŽãå¯èœã«ããŸãã
- ååæããšïŒ ããé·æçãªèŠç¹ãæäŸããçæçãªå€åã®åœ±é¿ã軜æžããŸãã
- å¹Žæ¬¡ïŒ ãªãªãŒã¹é »åºŠãäœããããäºæž¬å¯èœãªæ¯ãèãããããµãŒãã¹ã«é©ããŠããŸãã
æéæ ã®éžæã¯ããµãŒãã¹ã®ç¹å®ã®ã³ã³ããã¹ãã«äŸåããŸããé »ç¹ã«ãªãªãŒã¹ãããæ¥éã«é²åãããµãŒãã¹ã«ã¯ãææ¬¡ã®æéæ ãããé©ããŠãããããããŸãããããå®å®ãããµãŒãã¹ã«ã¯ãååæããšãŸãã¯å¹Žæ¬¡ã®æéæ ã§ååãããããŸããã
4. ãšã©ãŒããžã§ããæ¶è²»ã«åºã¥ãã¢ã¯ã·ã§ã³ãå®çŸ©ãã
ãšã©ãŒããžã§ãããæ¶è²»ãããŠãããšãã«ã©ã®ãããªã¢ã¯ã·ã§ã³ãåããã«ã€ããŠãæç¢ºãªã¬ã€ãã©ã€ã³ã確ç«ããŸããããã«ã¯æ¬¡ã®ãã®ãå«ãŸããã¹ãã§ãïŒ
- ã¢ã©ãŒãã®ãããå€ïŒ ãšã©ãŒããžã§ããã®æ¶è²»ãç¹å®ã®ã¬ãã«ïŒäŸïŒ50%ã75%ã100%ïŒã«éãããšãã«ããªã¬ãŒãããã¢ã©ãŒããèšå®ããŸãã
- ãšã¹ã«ã¬ãŒã·ã§ã³æé ïŒ ç°ãªãã¢ã©ãŒãã¬ãã«ã«å¯Ÿããæç¢ºãªãšã¹ã«ã¬ãŒã·ã§ã³ãã¹ãå®çŸ©ããŸãã
- ã€ã³ã·ãã³ã察å¿èšç»ïŒ 忢ã«å¯ŸåŠãããããªããšã©ãŒããžã§ããã®æ¶è²»ãé²ãããã®æç¢ºã«å®çŸ©ãããã€ã³ã·ãã³ã察å¿èšç»ãçšæããŸãã
- ãªãªãŒã¹åçµããªã·ãŒïŒ ãšã©ãŒããžã§ãããã»ãŒäœ¿ãæãããããšãã«æ°ãããªãªãŒã¹ãåçµããããªã·ãŒãå®è£ ããŸãã
äŸïŒ
- ãšã©ãŒããžã§ããæ¶è²»50%ïŒ ãšã©ãŒçå¢å ã®åå ã調æ»ãããæè¿ã®å€æŽã確èªããã
- ãšã©ãŒããžã§ããæ¶è²»75%ïŒ ãªã³ã³ãŒã«ãšã³ãžãã¢ã«ãšã¹ã«ã¬ãŒã·ã§ã³ãããæ°æ©èœããããã°ä¿®æ£ãåªå ããã
- ãšã©ãŒããžã§ããæ¶è²»100%ïŒ ãã¹ãŠã®æ°ãããªãªãŒã¹ãåçµããããµãŒãã¹ã®ä¿¡é Œæ§å埩ã«å°å¿µããã培åºçãªã€ã³ã·ãã³ãåŸã®ã¬ãã¥ãŒã宿œããã
ãšã©ãŒããžã§ããã®å®è£ ïŒå®è·µçãªã¹ããã
ãšã©ãŒããžã§ãããå®è£ ããã«ã¯ãããŒã«ãããã»ã¹ããããŠæåçãªå€åã®çµã¿åãããå¿ èŠã§ãïŒ
1. èšè£ ãšã¢ãã¿ãªã³ã°
SLIãæ£ç¢ºã«è¿œè·¡ããããã«ãå æ¬çãªèšè£ ãšã¢ãã¿ãªã³ã°ãå®è£ ããŸãããµãŒãã¹ã®ããã©ãŒãã³ã¹ããªã¢ã«ã¿ã€ã ã§å¯èŠåã§ããããŒã«ã䜿çšããŸããPrometheusãGrafanaãDatadogãNew RelicãSplunkãªã©ã®ããŒã«ã®äœ¿çšãæ€èšããŠãã ããã
ã¢ãã¿ãªã³ã°ã·ã¹ãã ãæ¬¡ã®ãããªäž»èŠãªã¡ããªã¯ã¹ã远跡ã§ããããšã確èªããŠãã ããïŒ
- ã¢ããã¿ã€ã ïŒ ãµãŒãã¹ã®å¯çšæ§ã远跡ããŸãã
- ã¬ã€ãã³ã·ïŒ ãµãŒãã¹ã®å¿çæéãæž¬å®ããŸãã
- ãšã©ãŒçïŒ ãšã©ãŒã®é »åºŠãç£èŠããŸãã
- ã¹ã«ãŒãããïŒ ãµãŒãã¹ãåŠçãããªã¯ãšã¹ãã®éã远跡ããŸãã
2. ã¢ã©ãŒãèšå®
ãšã©ãŒããžã§ããã®æ¶è²»ã«åºã¥ããŠã¢ã©ãŒããèšå®ããŸãããšã©ãŒããžã§ãããæ¯æžã«è¿ã¥ãããšãã«ããªã¬ãŒãããããã«ã¢ã©ãŒããæ§æããŸããPagerDutyãOpsgenieãSlackãªã©ãã¢ãã¿ãªã³ã°ã·ã¹ãã ãšçµ±åã§ããã¢ã©ãŒããã©ãããã©ãŒã ã䜿çšããŸãã
ã¢ã©ãŒããå®çšçã§ããªã³ã³ãŒã«ãšã³ãžãã¢ãåé¡ãè¿ éã«èšºæã»è§£æ±ºããããã«ååãªã³ã³ããã¹ããæäŸããããšã確èªããŠãã ããã誀æ€ç¥ãæå°éã«æããããã«ã¢ã©ãŒãã®ãããå€ã調æŽããã¢ã©ãŒãç²ããé¿ããŠãã ããã
3. èªåå
å¯èœãªéãããã»ã¹ãèªååããŸãããšã©ãŒããžã§ããæ¶è²»ã®èšç®ãã¢ã©ãŒãã®çæãã€ã³ã·ãã³ã察å¿èšç»ã®å®è¡ãèªååããŸããAnsibleãChefãPuppetãTerraformãªã©ã®ããŒã«ã䜿çšããŠãã€ã³ãã©ã®ããããžã§ãã³ã°ãšæ§æç®¡çãèªååããŸãã
4. ã³ãã¥ãã±ãŒã·ã§ã³ãšã³ã©ãã¬ãŒã·ã§ã³
ãšã³ãžãã¢ãªã³ã°ããããã¯ããããžãã¹ã®åã¹ããŒã¯ãã«ããŒéã®ãªãŒãã³ãªã³ãã¥ãã±ãŒã·ã§ã³ãšã³ã©ãã¬ãŒã·ã§ã³ãä¿é²ããŸãããšã©ãŒããžã§ããã®ç¶æ³ããã¹ãŠã®ã¹ããŒã¯ãã«ããŒã«å®æçã«äŒããŸããSlackãé»åã¡ãŒã«ãå°çšããã·ã¥ããŒããªã©ã®ã³ãã¥ãã±ãŒã·ã§ã³ãã£ãã«ã䜿çšããŸãã
5. ã€ã³ã·ãã³ãåŸã®ã¬ãã¥ãŒ
ãšã©ãŒããžã§ããã®å€§éšåãæ¶è²»ãããã¹ãŠã®ã€ã³ã·ãã³ãã®åŸã«ã¯ã培åºçãªã€ã³ã·ãã³ãåŸã®ã¬ãã¥ãŒïŒéé£ã®ãªããã¹ãã¢ãŒãã ãšããŠãç¥ãããïŒã宿œããŸããã€ã³ã·ãã³ãã®æ ¹æ¬åå ãç¹å®ããåŠãã æèšãææžåããå°æ¥åæ§ã®ã€ã³ã·ãã³ããçºçããã®ãé²ãããã®æ¯æ£æªçœ®ãå®è£ ããŸãã
å人ãéé£ããã®ã§ã¯ãªããäœç³»çãªåé¡ãç¹å®ããããšã«çŠç¹ãåœãŠãŸããç®æšã¯ã倱æããåŠã³ãã·ã¹ãã å šäœã®ä¿¡é Œæ§ãåäžãããããšã§ãã
ãšã©ãŒããžã§ããã®å¹æãæå€§åããããã®ãã¹ããã©ã¯ãã£ã¹
ãšã©ãŒããžã§ãããæå€§éã«æŽ»çšããããã«ã以äžã®ãã¹ããã©ã¯ãã£ã¹ãæ€èšããŠãã ããïŒ
- å°ããå§ããïŒ ããã€ãã®äž»èŠãªãµãŒãã¹ããå§ããçµéšãç©ãã«ã€ããŠä»ã®ãµãŒãã¹ã«åŸã ã«æ¡å€§ããŸãã
- ååŸ©ãšæŽç·ŽïŒ ãšã©ãŒããžã§ãããç¶ç¶çã«ç£èŠããå¿ èŠã«å¿ããŠSLOãšã¢ã©ãŒãã®ãããå€ã調æŽããŸãã
- ããŒã ãæè²ããïŒ ããŒã ã®å šå¡ããšã©ãŒããžã§ããã®æŠå¿µãšããµãŒãã¹ã®ä¿¡é Œæ§ãç¶æããäžã§ã®èªåãã¡ã®åœ¹å²ãçè§£ããŠããããšã確èªããŸãã
- ãã¹ãŠãèªååããïŒ æäœæ¥ãæžããå¹çãåäžãããããã«ããšã©ãŒããžã§ããã®ããã»ã¹ãå¯èœãªéãèªååããŸãã
- éææ§ã®ããã³ãã¥ãã±ãŒã·ã§ã³ïŒ ãšã©ãŒããžã§ããã®ç¶æ³ããããæ¶è²»ããã€ã³ã·ãã³ãã«ã€ããŠããã¹ãŠã®ã¹ããŒã¯ãã«ããŒã«æ å ±ãæäŸãç¶ããŸãã
- éé£ã®ãªããã¹ãã¢ãŒãã ãåãå ¥ããïŒ ã€ã³ã·ãã³ãåŸã®ã¬ãã¥ãŒãå©çšããŠã倱æããåŠã³ãã·ã¹ãã ã®ä¿¡é Œæ§ãåäžãããŸãã
- ãšã©ãŒããžã§ãããåãªãã¡ããªã¯ã¹ãšããŠæ±ããªãïŒ ãããã¯æææ±ºå®ããŒã«ã§ããä¿¡é Œæ§ã*è²»ãã*æ¹æ³ã§ããããã®ãæ¯åºãã¯ããžãã¹ã®ææãšããŒã ã®æŽ»åã«çŽæ¥çµã³ã€ããŠããã¹ãã§ãã
ããŸããŸãªã·ããªãªã«ããããšã©ãŒããžã§ããå®è£ ã®äŸ
ããã€ãã®ç°ãªãã·ããªãªã§ãšã©ãŒããžã§ãããã©ã®ããã«é©çšã§ããããäŸãæ¢ã£ãŠã¿ãŸãããïŒ
äŸ1ïŒã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³
ããã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³ã¯ãããã€ãã®ããã¯ãšã³ããµãŒãã¹ã«äŸåããŠããŸããããŒã ã¯ãã³ã¢APIãµãŒãã¹ã®ã¢ããã¿ã€ã SLOã99.9%ãšå®çŸ©ããŸããããã¯ãæããã43åã®ãšã©ãŒããžã§ããã«çžåœããŸãã
æè¿ã®ãªãªãŒã¹ã§æç¶çãªåæ¢ãåŒãèµ·ãããã°ãå°å ¥ããããšãããšã©ãŒããžã§ããã¯æ¥éã«æ¶è²»ãããŸããããŒã ã¯çŽã¡ã«æ°ãããªãªãŒã¹ãåçµãããã°ã®ä¿®æ£ã«éäžããŸãããã°ã解決ãããåŸã圌ãã¯æ ¹æ¬åå ãç¹å®ãããã¹ãããã»ã¹ãæ¹åããããã«ã€ã³ã·ãã³ãåŸã®ã¬ãã¥ãŒã宿œããŸãã
äŸ2ïŒéèæ©é¢
ããéèæ©é¢ã¯ãååŒåŠçã·ã¹ãã ã®ä¿¡é Œæ§ã管çããããã«ãšã©ãŒããžã§ããã䜿çšããŠããŸãã圌ãã¯ãå¶æ¥æéäžã®ååŒåŠçãµãŒãã¹ã®ã¢ããã¿ã€ã SLOã99.99%ãšå®çŸ©ããŸããããã¯éåžžã«å°ããªãšã©ãŒããžã§ããã«çžåœããŸãã
ãšã©ãŒããžã§ãããè¶ ãããªã¹ã¯ãæå°éã«æãããããããŒã ã¯å³æ Œãªå€æŽç®¡çããã»ã¹ãå®è£ ããŸãããã¹ãŠã®å€æŽã¯ãæ¬çªç°å¢ã«ãããã€ãããåã«åŸ¹åºçã«ãã¹ããããã¬ãã¥ãŒãããŸãããŸããåé¡ãè¿ éã«æ€åºããŠå¯Ÿå¿ããããã«ãã¢ãã¿ãªã³ã°ãšã¢ã©ãŒãã«å€é¡ã®æè³ãè¡ã£ãŠããŸãã
äŸ3ïŒã°ããŒãã«ãªEã³ããŒã¹äŒæ¥
ããã°ããŒãã«ãªEã³ããŒã¹äŒæ¥ã¯ãè€æ°ã®å°ççãªãŒãžã§ã³ã«åæ£ãããã€ã¯ããµãŒãã¹ãæã£ãŠããŸããåãªãŒãžã§ã³ã«ã¯ãçŸå°ã®èŠå¶ãé¡§å®¢ã®æåŸ ãèæ ®ããç¬èªã®SLOãšãšã©ãŒããžã§ãããèšå®ãããŠããŸãã
å€§èŠæš¡ãªã»ãŒã«ã¹ã€ãã³ãäžãå瀟ã¯äžã€ã®ãªãŒãžã§ã³ã§ãã©ãã£ãã¯ã®æ¥å¢ãçµéšããŸãããã®ãªãŒãžã§ã³ã®ãšã©ãŒããžã§ããã¯æ¥éã«æ¶è²»ãããŸããããŒã ã¯ãã·ã¹ãã ãžã®è² è·ã軜æžãããããªã忢ãé²ãããã«ãã©ãã£ãã¯ã·ã§ãŒãã³ã°å¯Ÿçãå®è£ ããŸãããŸãã容éãå¢ããããã«çŸå°ã®ã€ã³ãã©ãããã€ããŒãšååããŸãã
ãšã©ãŒããžã§ããã®æªæ¥
ãšã©ãŒããžã§ããã¯ãSREãšDevOpsã®äžçã§ãŸããŸãéèŠã«ãªã£ãŠããŸããã·ã¹ãã ãããè€éã«ãªããä¿¡é Œæ§ãžã®èŠæ±ãé«ãŸãã«ã€ããŠããšã©ãŒããžã§ããã¯ã€ãããŒã·ã§ã³ãšå®å®æ§ã®ãã©ã³ã¹ãåãããã®è²Žéãªãã¬ãŒã ã¯ãŒã¯ãæäŸããŸãããšã©ãŒããžã§ããã®æªæ¥ã«ã¯ã以äžã®ãããªãã®ãå«ãŸããå¯èœæ§ããããŸãïŒ
- ããé«åºŠãªããŒã«ïŒ ãšã©ãŒããžã§ããã®èšç®ãã¢ã©ãŒãã®çæãã€ã³ã·ãã³ã察å¿èšç»ã®å®è¡ãèªååããããã®ãããé«åºŠãªããŒã«ãéçºãããã§ãããã
- AIãšæ©æ¢°åŠç¿ãšã®çµ±åïŒ AIãšæ©æ¢°åŠç¿ãããšã©ãŒããžã§ããã®æ¶è²»ãäºæž¬ããåæ¢ãæªç¶ã«é²ãããã«äœ¿çšãããã§ãããã
- æ°ããæ¥çã§ã®æ¡çšïŒ ãšã©ãŒããžã§ããã¯ããã¯ãããžãŒæ¥çãè¶ ããŠããã«ã¹ã±ã¢ãéèãè£œé æ¥ãªã©ã®æ°ããæ¥çã§æ¡çšãããã§ãããã
- ããžãã¹ææãžã®ãã匷ãçŠç¹ïŒ ãšã©ãŒããžã§ããã¯ããžãã¹ã®ææãšãã坿¥ã«é£æºããä¿¡é Œæ§ã®åãçµã¿ãããžãã¹äŸ¡å€ã«çŽæ¥çµã³ã€ãããã«ãªããŸãã
çµè«
ãšã©ãŒããžã§ããã¯ãçŸä»£ã®ãœãããŠã§ã¢ã·ã¹ãã ã«ãããŠã€ãããŒã·ã§ã³ãšä¿¡é Œæ§ã®ãã©ã³ã¹ãåãããã®åŒ·åãªããŒã«ã§ããæç¢ºãªSLOãå®çŸ©ãããšã©ãŒããžã§ãããèšç®ãã广çãªã¢ãã¿ãªã³ã°ãšã¢ã©ãŒããå®è£ ããããšã§ãããŒã ã¯ã€ãããŒã·ã§ã³ãšä¿¡é Œæ§åäžã®ã©ã¡ããåªå ãããã«ã€ããŠããŒã¿ã«åºã¥ããæ±ºå®ãäžãããšãã§ããŸããSREãšãšã©ãŒããžã§ããã®ååãåãå ¥ããŠããŠãŒã¶ãŒãšããžãã¹ã®ããŒãºãæºãããããä¿¡é Œæ§ãé«ãå埩åã®ããã·ã¹ãã ãæ§ç¯ããŠãã ããããããã¯ãããŒã ããªã¹ã¯ãã€ãããŒã·ã§ã³ããããŠå šäœçãªãŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ãšã®é¢ä¿ãçè§£ãã*å®éå*ããã®ã«åœ¹ç«ã¡ãŸãã