#Sre

20 tambayoyi

• Yakamata ka ƙullaci sani-sani don aikace-aikace daga farko?Site Reliability & Operations#observabilityMiddle›
• Menene ma'aunin, loguna, da alamomi, kuma yaushe kuke ɗauka ga kila ɗaya?Site Reliability & Operations#observabilityMiddle›
• Yaya za ka zaɓi ƙararrun hada-hadawa don guje wa gajiyar hada-hadawa da ƙarancin karya?Site Reliability & Operations#alertingMiddle›
• Menene alamomin gida gida guda hudu na sa'a?Site Reliability & Operations#observabilityMiddle›
• Menene na kayan sani gida da kuma yadda za a zaɓa a gidansu?Site Reliability & Operations#observabilityMiddle›
• Tun fatan matsaloli kafin mai amfani su komarje?Site Reliability & Operations#observabilityMiddle›
• Shafin web page ko API ba ya sannu — ta yaya za ka nemi dabara?Site Reliability & Operations#performanceMiddle›
• Yaya kuke optimize mara fiɗi kasuwar bayanai?Site Reliability & Operations#databaseMiddle›
• Yaya za ka gane cewa matukar hanya ita CPU, alaƙara, I/O, ko sadarwa?Site Reliability & Operations#performanceMiddle›
• Yadda ake daidaita shafin WordPress mai zafi don koyi-koyi?Site Reliability & Operations#wordpressSenior›
• Menene matakunan ajiya a cikin gadar webi ta yau da kullun?Site Reliability & Operations#cachingMiddle›
• Yadda ne ka decide abin da za ka cache da kacal yaya (TTL)?Site Reliability & Operations#cachingMiddle›
• Menene cache stampede kuma ta nada shi yadda?Site Reliability & Operations#cachingMiddle›
• Paano ka ke burmin ajiyar bakin gida da yin yayin masifa?Site Reliability & Operations#disaster-recoverySenior›
• Menene ragewa mai ladabi lokacin da ɗependensi ta gazawa?Site Reliability & Operations#resilienceMiddle›
• Paano ganawar mataki-mataki da sake-sake tare da backoff suna aiki a cikin tsarin rarraba?Site Reliability & Operations#resilienceMiddle›
• Kaida kaɗa kuɗa DDoS attack daga waje-jaji na zazzage? Duwâ: Duka biyu suna kamar hadari jingina kan buƙatun, saboda haka kuna bambanta su ta hanyar **siffar zazzagen zazzage, ba kawai adadi ba**. DDoS ya nuna daidaicce siffar na injin ba da dalilin kasuwanci; waje-jaji mara-ƙarfi ya biyo hanyar masu zazzage na gaske kuma akwai dalilin da za ku iya nunawa. ## Alama cewa DDoS ne - **Tare da muhimman ƙahon ɗaya** — dubu-dubu buƙatun da ke bugi hanya gida mara kyau (misali `/search` ko `/login`) maimakon yada zazzage a cikin gida. - **Hannu daban-daban da mai sake buhari** — zazzage daga yankuna da ba ku yi aiki a gida, ko majadu ɗaya da aka maimaita/ba waje/kariya `User-Agent`. - **Rank-rank mai karfin gadanduniya** — masu kai hari suna tsara jerin bubuwan ta musamman don taukewa CDN kuma bugi asali-jiya. - **Buƙatun rashin daidai ko maimaita** — kayi daidai abubuwa, rashin headers, babu cookies, babu kyauta. - **Babu dalilin kasuwanci** — babu yaƙi, sake kera, ko bubuwan zazzagen mai sanin tushe ba, kuma yana bayyana nan take maimakon tashi har. ## Alama cewa zazzage mara-ƙarfi ne - **Dalilin saura** — yaƙi marketing, bayanan fashewa, cewa abin jita, ko bubuwan zazzagen daga tushe da aka sani. - **Hanyoyin masu zazzage na gaskiya** — zazzage ya yi zuwa hanyoyin gaskiya (tsarewa -> kaya -> saye), ma'amala cache, kuma yana ɗauka cookies da daban-daban masu sake buhari. - **Tashi daidai** — nauyi ya gida kuma ya fakare maimakon tsuda ga bango nan take. ## Yadda zaka yanke shawara Kada ka tofa lissafi adadi. **Jiya baselines** don buƙatun-per-makonni, geo-yada, cache-hit-rank, kuma daidaita-rank, sannan aiki **anomaly tare** a gida su. [[CODE_1]] Karantin shine **daidaita**: zazzage na gaske ya tashi kasuwanci matukan yin sanye; yaƙi ya tashi jiya maimakon saye su dai. ## Me ya sa ya maista Kasaita maimaiti biyu daidai a jiya da taskunan. Ba da ruwa jingina kuma daidaita-daidaita shi ya tsufa masu karanta; ba da yaƙi kama mara-ƒarfi ya faɗi asali-jiya. Baselining da daidaita matukan ka ba shi jiha daidai kuma da sauri, wajanda shine gida na gamowa.Site Reliability & Operations#ddosMiddle›
• Inda kuma ta yaya kuke daidaita iyakance jerin bukatun (rate limiting)?Site Reliability & Operations#rate-limitingMiddle›
• Menene bambanci tsakanin Layer 7 da Layer 3/4 DDoS attacks, kuma me yasa mitigations ya bambanta?Site Reliability & Operations#ddosSenior›
• Yaya zaka gina DDoS incident response runbook?Site Reliability & Operations#ddosSenior›