Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com

Ƙungiyarmu tana son gwaje-gwaje. Kowane Slurm ba maimaitawa ba ne na waɗanda suka gabata, amma tunani akan ƙwarewa da canji daga mai kyau zuwa mafi kyau. Amma da Farashin SRE mun yanke shawarar yin amfani da sabon tsari gabaɗaya - don ba wa mahalarta sharuɗɗa kusa da yiwuwar "yaƙi".

Idan muka ɗan fayyace abin da muka yi a lokacin kwas mai ƙarfi: “Muna gini, muna karya, muna gyarawa;
muna karatu." SRE yana da daraja kaɗan a cikin ka'idar kawai - aiki kawai, ainihin mafita, matsaloli na gaske.

An raba mahalarta zuwa ƙungiyoyi don haka ruhun gasa mai ƙarfi ba zai ƙyale kowa ya yi barci ba ko ƙaddamar da "Angry Birds" akan iPhone, bin misalin Dmitry Anatolyevich.

Matsaloli, kurakurai, kwari da ayyuka an samar da masu jagoranci guda huɗu ga mahalarta. Ivan Kruglov, Babban Mai Haɓakawa a Booking.com (Netherlands). Ben Tyler, Babban Mai Haɓakawa a Booking.com (Amurka). Eduard Medvedev, CTO a Tungsten Labs (Jamus). Evgeniy Varavva, babban mai haɓakawa a Google (San Francisco).

Bugu da ƙari, an raba mahalarta zuwa ƙungiyoyi kuma suna gasa da juna. Abin sha'awa?

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
Ivan, Ben, Eduard da Evgeniy suna kallon matalauta Slurm SRE mahalarta tare da irin Leninist squints kafin a fara gasar.

Don haka aikin:

Mu namu ne, za mu gina sabuwar duniya...

Akwai gidan yanar gizon tara tikitin fim. Masu ba da shawara ne suka ƙirƙira abubuwan da suka faru a cikin yanayin da aka riga aka yi aiki (ko da yake babu wanda ya keɓance musamman naɗaɗɗen haɓakawa da haɓakawa), aikin rukunin yanar gizon ana kwatanta shi da ma'auni daban-daban. Matsalolin na iya bambanta sosai: tikitin gidan wasan kwaikwayo na Moulin Rouge ba a ɗora su a cikin bayanan; ana ɗora hotunan fina-finai da wasan kwaikwayo a cikin bayanan fiye da daƙiƙa 10; bayanin fim ɗin mutum ɗaya ya daskare; 0,1% na umarni an riga an tanadi; Daga lokaci zuwa lokaci tsarin sarrafa biyan kuɗi yana rushewa na minti ɗaya ko biyu. Kuma da yawa, da yawa, abubuwa marasa daɗi da yawa waɗanda zasu iya samun ɗan takara Slurm SRE a ainihin aikinsa.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
Mu a shirye muke mu rike wani abu...da kowa da kowa.

Gidan yanar gizon mu mai tsayin jimrewa ya ƙunshi ƙananan ayyuka da yawa. Ayyukansa shine tattara bayanai akan nunin nunin, farashi da wuraren zama daga dukkan gidajen sinima; yana nuna sanarwar fim, yana ba ku damar zaɓar silima, nuni, zauren da wuri, littafi da biyan tikiti. Gabaɗaya, duk abin da mai kallo zai iya yin mafarki kawai. Amma mai amfani ba ya ma zargin abin da gwagwarmayar titanic don kwanciyar hankali da samun damar shafin ke faruwa a ciki.

Don rukunin yanar gizo mai zurfi, mun samar da SLO, SLI, alamun SLA, haɓaka gine-gine da kayan more rayuwa, ƙaddamar da rukunin yanar gizon, saita sa ido da faɗakarwa. Kuma mu tafi.

SLO, SLI, SLA

SLI - alamun matakin sabis. SLOs burin matakin sabis ne. SLA - yarjejeniyar matakin sabis.

SLA kalma ce ta ITIL wacce ke nuna yarjejeniya ta yau da kullun tsakanin abokin ciniki na sabis da mai siyarwa, wanda ya ƙunshi bayanin sabis, haƙƙoƙi da wajibcin ɓangarorin kuma, mafi mahimmanci, matakin ingancin da aka yarda don samar da wannan. hidima.

SLO shine manufar matakin sabis: ƙimar manufa ko kewayon ƙima don matakin sabis wanda SLI ke aunawa. Ƙimar al'ada ta SLO ita ce "SLI ≤ Target" ko "Ƙananan Ƙimar ≤ SLI ≤ Babban Iyaka".

SLI alama ce ta matakin sabis — ƙayyadaddun ma'aunin ƙididdigewa a hankali na bangare ɗaya na matakin sabis ɗin da aka bayar. Don yawancin ayyuka, ana ɗaukar maɓallin SLI a matsayin rashin jinkiri - tsawon lokacin da ake ɗauka don mayar da martani ga buƙata. Sauran SLI na gama gari sun haɗa da ƙimar kuskure, galibi ana bayyana su azaman ɗan juzu'in duk buƙatun da aka karɓa, da kayan aikin tsarin, yawanci ana auna su cikin buƙatun daƙiƙa guda.

Da farko dai, za mu karya jirage, sannan ‘yan mata, sannan ‘yan mata...

Abubuwan ciki da na waje sun fara "lalata" SLO daga farkon mintuna na farko. Komai ya fadi a kan shugabannin masu gudanarwa - kurakuran masu haɓakawa, gazawar ababen more rayuwa, kwararar baƙi, da hare-haren DDoS. Duk abin da ke dagula SLO.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
"- Ya ku mahalarta, na yi gaggawar faranta muku rai, abin da kuka fara kasawa shine... komai!"

Tare da hanyar, masu magana sun tattauna kwanciyar hankali, kasafin kuɗi na kuskure, aikin gwaji, gudanarwa na katsewa da nauyin aiki.

Mu ba masu tuƙi bane, ba kafintoci ba...

Sa'an nan mahalarta sun fara gyara abubuwa - babban abu shine fahimtar abin da za a fara kamawa.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
"- Ubangiji, ban taba ganin ta karye kamar wannan ba, a cikin wannan nau'i kuma a cikin irin wannan matsayi!"

Don haka, hatsari ya faru. Sabis ɗin sarrafa biyan kuɗi ya ragu. Yadda za a yi aiki don maido da aiki a cikin ɗan gajeren lokaci mai yiwuwa?

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
Masanan, suna kallon mahalarta cikin ƙauna, suna shirya wani dabara.

Kowace ƙungiya ta tsara aikin ƙungiyar don kawar da haɗari - ya haɗa da abokan aiki, sanar da masu sha'awar (masu ruwa da tsaki). A lokaci guda kuma, an saita abubuwan fifiko. Ta wannan hanyar, mahalarta sun horar da yin aiki a cikin matsi a cikin ƙayyadaddun yanayin lokaci.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
"Wane irin tsoro ne ya fito?!"

Fitar numfashi... sannan ka gama motsa jiki

Tare da masu magana, bayan an warware kowace matsala kuma an daidaita wurin na ɗan lokaci, ƙungiyar ta yi nazarin abubuwan da suka faru ta hanyar SRE. Mun bincika matsalolin daki-daki - abubuwan da suka faru, ci gaban kawarwa. Bayan haka, duka ƙungiya-ƙungiya da kuma tare, mun yanke shawara kan yadda za a kara hana su: yadda za a inganta kulawa, yadda za a canza tsarin gine-gine cikin hikima, yadda za a daidaita tsarin ci gaba da aiki, yadda za a gyara ƙa'idodi. Masu magana sun nuna al'adar gudanar da mutuwar mutum.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com
“Wane ne kuma yake son azaba! - I!"

Nasarar da ƙungiyoyin suka samu an yi su sosai kuma a bayyane a kan allo na lantarki.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com

Don wuraren farko - kari daga masu ruwa da tsaki.

Farashin SRE. Cikakken gwaji tare da masana daga Booking.com da Google.com

source: www.habr.com

Add a comment