{"id":37270,"date":"2019-10-31T22:16:41","date_gmt":"2019-10-31T19:16:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/sliyanie-opentracing-i-opencensus-put-k-konvergentsii\/"},"modified":"2019-10-31T22:16:41","modified_gmt":"2019-10-31T19:16:41","slug":"sliyanie-opentracing-i-opencensus-put-k-konvergentsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/sliyanie-opentracing-i-opencensus-put-k-konvergentsii","title":{"rendered":"OpenTracing ja OpenCensus \u00fchendamine: tee konvergentsini","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"OpenTracing ja OpenCensus \u00fchendamine: tee konvergentsini\" src=\"\/wp-content\/uploads\/2019\/08\/ae22f1784f07e7bc5311d37b006e8837.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Autorid: Ted Young, Pritam Shah ja \"Tehniliste Spetsifikatsioonide Komitee\" (Carlos Alberto, Bogdan Drutu, Sergei Kanzelev ja Yuri Shkuro).<\/p>\n<p><\/p>\n<p>\u00dchine projekt sai nimeks: <noindex><a rel=\"nofollow\" href=\"http:\/\/opentelemetry.io\">http:\/\/opentelemetry.io<\/a><\/noindex><\/p>\n<p><\/p>\n<h2 id=\"ochen-ochen-korotko\">V\u00e4ga, v\u00e4ga l\u00fchidalt:<\/h2>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<ul>\n<li>Loome uue \u00fchtse raamatukogude ja spetsifikatsioonide komplekti telemeetria j\u00e4lgimise v\u00f5imaluste jaoks. See \u00fchendab projektid OpenTracing ja OpenCensus ning pakub toetatud viisi migreerimiseks.<\/li>\n<li>Java referentsrakendus on saadaval 24. aprillil, t\u00f6\u00f6d muude keelte rakendustega algavad t\u00e4ies mahus 8. mai 2019. aastal. Tutvu ajakava <noindex><a rel=\"nofollow\" href=\"https:\/\/storage.googleapis.com\/open-source-software\/OpenConsensus%20Roadmap.jpg\">saab siit<\/a><\/noindex>.<\/li>\n<li>September 2019 on planeeritud C#, Golang, Java, NodeJS ja Python olemasolevate projektidega pariteedi saavutamiseks. Meil on ees palju t\u00f6\u00f6d, kuid me suudame selle \u00fchiselt teha. Kui olete huvitatud osalemisest selles projektis, palun registreeruge ja tehke meile teada, kuidas soovite aidata.<\/li>\n<li>Kui iga keele rakendus on k\u00fcps, suletakse vastavad projektid OpenTracing ja OpenCensus. See t\u00e4hendab vana projektide k\u00fclmutamist, kuid uus projekt j\u00e4tkab olemasoleva t\u00f6\u00f6riistakomplekti toetamist kaks aastat, s\u00e4ilitades tagasi\u00fchildumise.<\/li>\n<\/ul>\n<p><\/p>\n<h2 id=\"obzor-proekta\">Projekti \u00fclevaade<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"OpenTracing ja OpenCensus \u00fchendamine: tee konvergentsini\" src=\"\/wp-content\/uploads\/2019\/08\/b9691c2b1a171d110d287d5e61f39b5a.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Meie liitume! K\u00f5rgeim eesm\u00e4rk on koguda projektid OpenTracing ja OpenCensus \u00fchte \u00fchisesse projekti.<br \/>\nUue projekti tuum on komplekt puhtaid ja h\u00e4sti l\u00e4bim\u00f5eldud liideseid, sealhulgas traditsiooniline teekide kogum, mis rakendab neid liideseid nn SDK-de vormis. Kirsiks tordil on soovituslikud standardid andmete ja juhtmeprotokollide jaoks, sealhulgas infrastruktuuri \u00fchised osad.<br \/>\nTulemus on terviklik telemeetria s\u00fcsteem, mis sobib mikroteenuste ja muude kaasaegsete jaotatud s\u00fcsteemide j\u00e4lgimiseks, n\u00f5udes enamiku peamiste OSS-i ja kommertstoodete p\u00f5hjalike programmide toetust.<\/p>\n<p><\/p>\n<h2 id=\"osnovnye-sobytiya\">Olulised s\u00fcndmused<\/h2>\n<p><\/p>\n<p>24.04 \u2014 Referentskandidaat esitatakse \u00fclevaatamiseks.<br \/>\n8.05 \u2014 Koostatakse meeskond, kes hakkab t\u00f6\u00f6tama k\u00f5igis keeltes.<br \/>\n20.05 \u2014 Projekti ametlik k\u00e4ivitus Kubecon Barcelonas.<br \/>\n6.09 \u2014 Rakendused C#, Golang, Java, NodeJS ja Python saavutavad pariteedi analoogidega.<br \/>\n6.11 \u2014 Projektid OpenTracing ja OpenCensus l\u00f5petatakse ametlikult.<br \/>\n20.11 \u2014 Lahkumispidu projektide l\u00f5petamise auks Observability Summitel, Kubecon San Diegos.<\/p>\n<p><\/p>\n<h2 id=\"hronologiya-konvergencii\">Konvergentsi ajakava<\/h2>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/ix\/xo\/ez\/ixxoezzwzgpqbteyuwtmmtl7utg.jpeg\"><img decoding=\"async\" alt=\"OpenTracing ja OpenCensus \u00fchendamine: tee konvergentsini\" src=\"\/wp-content\/uploads\/2019\/08\/ecd48d1d56e1581fa702aafd2417b641.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><\/p>\n<p>Iga migratsiooni igas keeles sisaldab t\u00f6\u00f6stuslikuks kasutamiseks valmis SDK kokkupanekut, populaarsete raamatukogude t\u00f6\u00f6riistu, dokumentatsiooni, CI-d, tagasip\u00f6\u00f6rdumise \u00fchilduvust ja seotud projektide OpenCensus ja OpenTracing ('p\u00e4ikeseloojang') l\u00f5petamist. Seadsime ambitsioonikaks eesm\u00e4rgiks septembri 2019, et saavutada pariteet keeltega C#, Golang, Java, NodeJS ja Python. Me l\u00fckkame 'p\u00e4ikeseloojang' kuup\u00e4eva edasi, kuni k\u00f5ik keeled on valmis. Kuid seda on parem v\u00e4ltida.<br \/>\nTuleb m\u00f5elda oma isiklikule osalusele vaadeldes eesm\u00e4rke, andke meile sellest teada, t\u00e4ites <noindex><a rel=\"nofollow\" href=\"https:\/\/forms.gle\/HCGGoLRzoPm6o29K6\">registreerimisvormi<\/a><\/noindex>, v\u00f5i tervitades projekti Gitter'i vestlustes <noindex><a rel=\"nofollow\" href=\"https:\/\/gitter.im\/opentracing\/public\">OpenTracing<\/a><\/noindex> ja <noindex><a rel=\"nofollow\" href=\"https:\/\/gitter.im\/census-instrumentation\/Lobby\">OpenCensus<\/a><\/noindex>. Infograafika kujul graafiku vaatamist saab <noindex><a rel=\"nofollow\" href=\"https:\/\/storage.googleapis.com\/open-source-software\/OpenConsensus%20Roadmap.jpg\">siin<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"cel-pervyy-chernovoy-variant-mezhyazykovoy-specifikacii-zavershenie-k-8-maya\">Eesm\u00e4rk: esialgne versioon keeltevahelisest spetsifikatsioonist (valmis 8. maiks)<\/h3>\n<p><\/p>\n<p>T\u00e4htis on \u00fchiselt t\u00f6\u00f6tada, isegi kui t\u00f6\u00f6tatakse paralleelselt erinevates keeltes. Keeltevaheline spetsifikatsioon tagab projekti juhised. See k\u00f5lab ilmselt, kuid see on garantii, et terviklik s\u00fcsteem toetab keelt, mis tundub tuttav igas programmeerimiskeeles.<\/p>\n<p><\/p>\n<p>Esialgse versiooni kohustuslikud n\u00f5uded keele X jaoks:<\/p>\n<p><\/p>\n<ul>\n<li>\u00dcldise terminoloogia m\u00e4\u00e4ratlemine.<\/li>\n<li>Mudel jaotatud tehingute, statistika ja m\u00f5\u00f5dikute kirjeldamiseks.<\/li>\n<li>T\u00e4htsate k\u00fcsimuste selgitused, mis tekivad elluviimise k\u00e4igus.<\/li>\n<\/ul>\n<p><\/p>\n<p>See eesm\u00e4rk blokeerib muud t\u00f6\u00f6d, esialgne versioon tuleb l\u00f5petada 8. maiks.<\/p>\n<p><\/p>\n<h3 id=\"cel-pervyy-chernovik-dlya-specifikacii-dannyh-zavershenie-k-6-iyulya\">Eesm\u00e4rk: esimene mustand andmespetsiifikatsiooniks (valmis 6. juuliks)<\/h3>\n<p><\/p>\n<p>Andmespetsiifikatsioon m\u00e4\u00e4ratleb andmete \u00fcldise formaadi j\u00e4lgimiseks ja m\u00f5\u00f5dikute jaoks, mist\u00f5ttu k\u00f5ikide protsesside poolt eksporditavad andmed saavad olla t\u00f6\u00f6deldud sama telemeetriainfrastruktuuri poolt s\u00f5ltumata andmete genereerimise protsessist. Siia kuulub andmeskeem j\u00e4lgimismudeli jaoks, mis on kirjeldatud keeltevahelises spetsifikatsioonis. Samuti h\u00f5lmatakse metainformatsiooni m\u00e4\u00e4ratlemisi levinud toimingute jaoks, mida j\u00e4lgimine kasutab p\u00fc\u00fcdmiseks: n\u00e4iteks HTTP-p\u00e4ringud, vead ja andmebaasi p\u00e4ringud. Need <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opentracing\/specification\/blob\/master\/semantic_conventions.md\">semantilised kokkulepped<\/a><\/noindex> on n\u00e4ideteks.<\/p>\n<p><\/p>\n<p>Esialgne versioon p\u00f5hineb praegusel OpenCensus andmeformaatidel ja sisaldab j\u00e4rgmist:<\/p>\n<p><\/p>\n<ul>\n<li>Andmeskeem, mis rakendab keeltevahelist spetsifikatsiooni.<\/li>\n<li>Metainformatsiooni m\u00e4\u00e4ratlemised levinud toimingute jaoks.<\/li>\n<li>JSON ja Protobuf m\u00e4\u00e4ratlemised.<\/li>\n<li>Standardsete klientide rakendamine.<\/li>\n<\/ul>\n<p><\/p>\n<p>Palun pange t\u00e4hele, et on olemas ka traadiga protokoll, mis levitab j\u00e4lgimist ristmikult, ja mille me soovime samuti standardiseerida. Levitusformaat <noindex><a rel=\"nofollow\" href=\"https:\/\/w3c.github.io\/trace-context\/\">Trace-Context<\/a><\/noindex> arendatakse W3C kaudu.<\/p>\n<p><\/p>\n<h3 id=\"cel-paritet-po-vsem-osnovnym-podderzhivaemym-yazykam-zavershenie-k-6-sentyabrya\">Eesm\u00e4rk: tasakaal k\u00f5igis peamistes toetatavates keeltes (valmimine 6. septembriks)<\/h3>\n<p><\/p>\n<p>Peame saavutama tasakaalu praeguses keele \u00f6kos\u00fcsteemis, asendades vanad projektid uute vastu.<\/p>\n<p><\/p>\n<ul>\n<li>J\u00e4lgimise, m\u00f5\u00f5tmise ja konteksti levitamise liidese m\u00e4\u00e4ratlemine keelevahelise spetsifikatsiooni alusel.<\/li>\n<li>T\u00f6\u00f6korras SDK, mis rakendab neid liideseid, eksportides Trace-Data. Vajadusel luuakse SDK olemasoleva rakenduse \u00fcleviimise teel OpenCensus'ist.<\/li>\n<li>T\u00f6\u00f6riistakomplekt populaarsetele raamatukogudele, mis on praegu h\u00f5lmatud OpenTracing ja OpenCensus.<\/li>\n<\/ul>\n<p><\/p>\n<p>Hindame ka tagasip\u00f6\u00f6rdumis\u00fchtsust ja soovime tagada sujuva \u00fclemineku olemasolevatelt projektidelt.<\/p>\n<p><\/p>\n<ul>\n<li>Uues SDK-s on olemas tagasip\u00f6\u00f6rdumis\u00fchtsuse vahendid praeguste OpenTracing-i liideste jaoks. Need v\u00f5imaldavad vanadel OpenTracing-i t\u00f6\u00f6riistadel t\u00f6\u00f6tada koos uute t\u00f6\u00f6riistadega samas protsessis, mis lubab kasutajatel j\u00e4rk-j\u00e4rgult oma t\u00f6\u00f6d \u00fcle viia.<\/li>\n<li>Uue SDK valmimise ajal luuakse uus plaan olemasolevatele OpenCensus-i kasutajatele. Nagu OpenTracing puhul, saavad vanad t\u00f6\u00f6riistad j\u00e4tkata t\u00f6\u00f6d koos uute t\u00f6\u00f6riistadega.<\/li>\n<li>Novembriks ei aktsepteerita enam muudatusi ei OpenTracing-is ega OpenCensus-is. Tagasip\u00f6\u00f6rdumis\u00fchtsus vanade t\u00f6\u00f6riistadega s\u00e4ilitada j\u00e4rgneva kahe aasta jooksul.<\/li>\n<\/ul>\n<p><\/p>\n<p>Parima kvaliteediga SDK loomine iga keele jaoks n\u00f5uab tohutult t\u00f6\u00f6d, ja just seda vajame k\u00f5ige enam.<\/p>\n<p><\/p>\n<h3 id=\"cel-osnovnaya-dokumentaciya-zavershenie-k-6-sentyabrya\">Eesm\u00e4rk: p\u00f5hidokumentatsioon (valmimine 6. septembriks)<\/h3>\n<p><\/p>\n<p>Iga avatud l\u00e4htekoodiga projekti eduka teguri on dokumentatsioon. Soovime, et meil oleks esmaklassiline dokumentatsioon ja koolitustooted, meie tehnilised kirjanikud on projekti k\u00f5ige aktiivsemad arendajad. Arendajate koolitamine tarkvara \u00f5igeks j\u00e4lgimiseks on \u00fcks k\u00f5ige olulisemaid m\u00f5jusid, mida soovime maailmale avaldada.<\/p>\n<p><\/p>\n<p>Alustamiseks on h\u00e4davajalikud j\u00e4rgmised dokumentatsiooni osad:<\/p>\n<p><\/p>\n<ul>\n<li>Projekti suunised.<\/li>\n<li>J\u00e4lgimine 101.<\/li>\n<li>Alustamine.<\/li>\n<li>Keeleded keeltest (igal \u00fchel eraldi).<\/li>\n<\/ul>\n<p><\/p>\n<p>Kutsume igasuguse tasemega kirjanikke! Meie uus veebisait p\u00f5hineb Hugo'l, kasutades lihtsat m\u00e4rgendust, nii et on v\u00e4ga lihtne panustada.<\/p>\n<p><\/p>\n<h3 id=\"cel-registry-v10-zavershenie-k-6-iyulya\">Eesm\u00e4rk: Registry v1.0 (valmise saamine 6. juuliks)<\/h3>\n<p><\/p>\n<p>Registry \u2014 veel \u00fcks kriitiliselt oluline komponent, t\u00e4iustatud versioon <noindex><a rel=\"nofollow\" href=\"https:\/\/opentracing.io\/registry\">OpenTracing Registry<\/a><\/noindex>.<\/p>\n<p><\/p>\n<ul>\n<li>Sirvige raamatukogusid, pluginaid, installereid ja muid komponente kergesti.<\/li>\n<li>Registry komponentide lihtne haldamine.<\/li>\n<li>Saate teada, millised SDK funktsioonid on saadaval igas keeles.<\/li>\n<\/ul>\n<p><\/p>\n<p>Kui teid huvitab disain, liides ja UX \u2013 meil on suurep\u00e4rane projekt, kus saate isiklikult osaleda.<\/p>\n<p><\/p>\n<h3 id=\"cel-infrastruktura-dlya-testirovaniya-i-vypuska-po-zavershenie-k-6-sentyabrya\">Eesm\u00e4rk: tarkvara testimise ja v\u00e4ljaandmise infrastruktuuri loomine (valmise saamine 6. septembriks)<\/h3>\n<p><\/p>\n<p>Kuna soovime j\u00e4tkata usaldusv\u00e4\u00e4rse ja turvalise koodi tarnimist, on meil projektip\u00f5hine kohustus luua kvaliteetsed testimise ja v\u00e4ljaandmise konveierid. Palun andke meile teada, kui saate tegeleda testimise, j\u00f5udluse m\u00f5\u00f5tmise ja tarkvara v\u00e4ljaandmise konveieritega. Me m\u00e4\u00e4ratleme tootmise valmiduse taseme ning testimisinfra k\u00fcpsus on meie jaoks peamine tegur.<\/p>\n<p><\/p>\n<h3 id=\"cel-zakrytie-proektov-opentracing-i-opencensus-zavershenie-k-6-noyabrya\">Eesm\u00e4rk: OpenTracing ja OpenCensus projektide l\u00f5petamine (valmise saamine 6. novembriks)<\/h3>\n<p><\/p>\n<p>Planeerime vanade projektide sulgemise algust 6. septembril, kui uus projekt saavutab nendega pariteedi. Kaks kuud hiljem, kui k\u00f5ik keeled saavutavad pariteedi, plaanime l\u00f5petada OpenTracing ja OpenCensus projektid. See tuleks m\u00f5ista nii:<\/p>\n<p><\/p>\n<ul>\n<li>reposiit toetavad ning muudatusi ei toimu enam.<\/li>\n<li>praegusele t\u00f6\u00f6riistakomplektile on kavandatud kaheaastane toetuse aeg.<\/li>\n<li>kasutajad saavad uuendada uuele SDK-le, kasutades vana t\u00f6\u00f6riistakomplekti.<\/li>\n<li>j\u00e4rk-j\u00e4rgult uuendamine on v\u00f5imalik.<\/li>\n<\/ul>\n<p><\/p>\n<h2 id=\"prisoedinyaytes\">Liituge<\/h2>\n<p><\/p>\n<p>Oleme igasuguse abi eest t\u00e4nulikud, kuna see on tohutu projekt. Kui olete huvitatud j\u00e4lgimisest \u2013 n\u00fc\u00fcd on \u00f5ige aeg!<\/p>\n<p><\/p>\n<ul>\n<li>T\u00e4ida <noindex><a rel=\"nofollow\" href=\"https:\/\/forms.gle\/HCGGoLRzoPm6o29K6\">registreerimisvormi<\/a><\/noindex> otse osalemiseks ja meeskonda liitumiseks.<\/li>\n<li>V\u00f5tke meiega \u00fchendust kanalitel <noindex><a rel=\"nofollow\" href=\"https:\/\/gitter.im\/opentracing\/public\">OpenTracing<\/a><\/noindex> ja <noindex><a rel=\"nofollow\" href=\"https:\/\/gitter.im\/census-instrumentation\/Lobby\">OpenCensus<\/a><\/noindex> Gitter.<\/li>\n<li>Tutvuge <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bogdandrutu\/openconsensus\/\">Java viidene versioon<\/a><\/noindex>, mis on t\u00f6\u00f6s.<\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/southbridge\/blog\/464001\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u0432\u0442\u043e\u0440\u044b: \u0422\u0435\u0434 \u042f\u043d\u0433, \u041f\u0440\u0438\u0442\u0430\u043c \u0428\u0430\u0445 \u0438 \u00ab\u041a\u043e\u043c\u0438\u0442\u0435\u0442 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439\u00bb (\u041a\u0430\u0440\u043b\u043e\u0441 \u0410\u043b\u044c\u0431\u0435\u0440\u0442\u043e, \u0411\u043e\u0433\u0434\u0430\u043d \u0414\u0440\u0443\u0442\u0443, \u0421\u0435\u0440\u0433\u0435\u0439 \u041a\u0430\u043d\u0436\u0435\u043b\u0435\u0432 \u0438 \u042e\u0440\u0438\u0439 \u0428\u043a\u0443\u0440\u043e). \u0421\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 \u043e\u0431\u0437\u0430\u0432\u0435\u043b\u0441\u044f \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c: http:\/\/opentelemetry.io \u041e\u0447\u0435\u043d\u044c, \u043e\u0447\u0435\u043d\u044c \u043a\u043e\u0440\u043e\u0442\u043a\u043e: \u041c\u044b \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043d\u043e\u0432\u044b\u0439 \u0443\u043d\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430\u0431\u043e\u0440 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u0434\u043b\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043d\u0430\u0431\u043b\u044e\u0434\u0435\u043d\u0438\u044f \u0437\u0430 \u0442\u0435\u043b\u0435\u043c\u0435\u0442\u0440\u0438\u0435\u0439. \u041e\u043d \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u0442 \u043f\u0440\u043e\u0435\u043a\u0442\u044b OpenTracing \u0438 OpenCensus, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0434\u043b\u044f \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438. \u042d\u0442\u0430\u043b\u043e\u043d\u043d\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27955,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-37270","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0410\u0432\u0442\u043e\u0440\u044b: \u0422\u0435\u0434 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