{"id":34067,"date":"2019-10-31T21:56:14","date_gmt":"2019-10-31T18:56:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/cisco-hyperflex-dlya-vysokonagruzhennyh-subd\/"},"modified":"2019-10-31T21:56:14","modified_gmt":"2019-10-31T18:56:14","slug":"cisco-hyperflex-dlya-vysokonagruzhennyh-subd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/administrirovanie\/cisco-hyperflex-dlya-vysokonagruzhennyh-subd","title":{"rendered":"Cisco Hyperflex za visoko obremenjene DBMS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nadaljujemo s ciklom \u010dlankov o Cisco Hyperflex. Tokrat vas bomo seznanili z delovanjem Cisco Hyperflex v pogojih visoko obremenjenih DBMS-jev Oracle in Microsoft SQL ter primerjali pridobljene rezultate s konkuren\u010dnimi re\u0161itvami.<\/p>\n<p>Poleg tega \u0161e naprej predstavljamo mo\u017enosti Hyperflex v razli\u010dnih regijah na\u0161e dr\u017eave in z veseljem vas vabimo, da se udele\u017eite na\u0161ih demonstracij, ki bodo tokrat potekale v mestih Moskva in Krasnodar.<\/p>\n<p>Moskva \u2013 28. maj. Prijava <noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/msk\/\">na povezavi<\/a><\/noindex>.<br \/>\nKrasnodar \u2013 5. junij. Prijava <noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/krsnd\/\">na povezavi<\/a><\/noindex>.<\/p>\n<p>Hiper-konvergirane re\u0161itve so bile do nedavnega pogosto neprimerna izbira za DBMS-jev, \u0161e posebej pri visokih obremenitvah. Vendar se je ta situacija spremenila zaradi uporabe platforme UCS za Cisco Hyperflex, ki je dokazala svojo zanesljivost in zmogljivost v zadnjih 10 letih.<\/p>\n<p>\u017delite izvedeti ve\u010d? Potem se pridru\u017eite tukaj.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Uvod<\/h3>\n<p>\nTrenutno obstajata dva pristopa za organizacijo hiperkonvergiranih re\u0161itev. Prvi pristop je osnovan na re\u0161itvah, ki jih opredeljuje programska oprema (Software-defined), kjer si stranke same izberejo potrebno strojno opremo. Drugi pristop temelji na re\u0161itvah 'klju\u010d v roke', torej, ki vklju\u010dujejo tako programsko opremo kot strojno opremo in tehni\u010dno podporo. V podjetju Cisco se dr\u017eimo drugega pristopa in na\u0161im strankam zagotavljamo \u017ee pripravljene re\u0161itve, saj le tako lahko zagotovimo stabilno delovanje sistema, kakovostno tehni\u010dno podporo enega proizvajalca in visoko zmogljivost.<br \/>\nVisoka zmogljivost sistema je eden klju\u010dnih dejavnikov pri odlo\u010ditvi za uporabo dolo\u010denega izdelka v nalogah, ki so kriti\u010dne za uspeh poslovanja. <\/p>\n<p>Danes organizacije obi\u010dajno izvajajo kriti\u010dne naloge na klasi\u010dnih re\u0161itvah s tremi nivoji arhitekture (SHD &gt; omre\u017eje za shranjevanje &gt; stre\u017eniki). Hkrati si ve\u010dina organizacij prizadeva poenostaviti in poceniti svojo IT-infrastrukturo, ne da bi pri tem zmanj\u0161ala njeno stabilnost in zmogljivost. Zaradi tega naro\u010dniki vse pogosteje pozornost namenjajo hiperkonvergiranim re\u0161itvam. <\/p>\n<p>V tejto \u010dl\u00e1nku sa budeme zaobera\u0165 najnov\u0161\u00edmi testami (febru\u00e1r 2019), ktor\u00e9 uskuto\u010dnila nez\u00e1visl\u00e1 laborat\u00f3ria ESG (Enterprise Strategy Group). Po\u010das testovania bola emulovan\u00e1 pr\u00e1ca vysoce za\u0165a\u017een\u00fdch datab\u00e1zov\u00fdch syst\u00e9mov Oracle a MS SQL (OLTP testy), \u010do je jedn\u00fdm z najkritickej\u0161\u00edch komponentov IT infra\u0161trukt\u00fary v re\u00e1lnom produk\u010dnom prostred\u00ed. <\/p>\n<p>Tento n\u00e1klad bol vykonan\u00fd na troch rie\u0161eniach: Cisco Hyperflex a dvoch softv\u00e9rovo definovan\u00fdch rie\u0161eniach, ktor\u00e9 boli nain\u0161talovan\u00e9 na t\u00fdch ist\u00fdch serveroch, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa v Hyperflex, teda na serveroch Cisco UCS.<\/p>\n<h3>Preizkusne konfiguracije<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/09f07090e31af2689aaa5c440c8fc24b.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Vo vn\u00fatri dod\u00e1vate\u013ea A nie je pou\u017eit\u00e1 vyrovn\u00e1vacia pam\u00e4\u0165, preto\u017ee konfigur\u00e1cia s vyrovn\u00e1vacou pam\u00e4\u0165ou nie je podporovan\u00e1 v\u00fdvoj\u00e1rom rie\u0161enia. Z tohto d\u00f4vodu boli pou\u017eit\u00e9 disky na ukladanie v\u00e4\u010d\u0161ieho objemu.<\/p>\n<h3>Metodologija testiranja<\/h3>\n<p>\nOLTP testy boli vykon\u00e1van\u00e9 so \u0161tyrmi virtu\u00e1lnymi strojmi a pracovn\u00fdm s\u00faborom d\u00e1t o ve\u013ekosti 3,2 TB. Pred vykonan\u00edm ka\u017ed\u00e9ho testu bol ka\u017ed\u00fd VM naplnen\u00fd zap\u00edsan\u00fdmi d\u00e1tami pomocou testovacieho n\u00e1stroja. To zaru\u010duje, \u017ee test \u010d\u00edta \u201eskuto\u010dn\u00e9\u201c d\u00e1ta a zapisuje ich do existuj\u00facich blokov, a nie jednoducho vracia nulov\u00e9 bloky alebo nulov\u00e9 hodnoty priamo z pam\u00e4te. K tomu doch\u00e1dza, ke\u010f d\u00e1ta nie s\u00fa naplnen\u00e9, preto bolo d\u00f4le\u017eit\u00e9 zabezpe\u010di\u0165, aby test presne odr\u00e1\u017eal, ako s\u00fa d\u00e1ta \u010d\u00edtan\u00e9 a zapisovan\u00e9 v prostred\u00ed aplik\u00e1cie. Naplnenie tohto ve\u013ek\u00e9ho pracovn\u00e9ho s\u00faboru si vy\u017eiadalo dlh\u00fd \u010das, ale pod\u013ea n\u00e1\u0161ho n\u00e1zoru ide o produkt\u00edvne investovanie \u010dasu, preto\u017ee umo\u017e\u0148uje z\u00edska\u0165 presnej\u0161ie \u00fadaje o v\u00fdkonnosti.<\/p>\n<p>Testovanie bolo vykonan\u00e9 s pou\u017eit\u00edm n\u00e1stroja HCI Bench (na b\u00e1ze Oracle Vdbench) a profilov vstupov a v\u00fdstupov ur\u010den\u00fdch na emul\u00e1ciu komplexn\u00fdch kritick\u00fdch pracovn\u00fdch z\u00e1\u0165a\u017e\u00ed OLTP pomocou backendov Oracle a SQL Server. Ve\u013ekosti blokov boli stanoven\u00e9 v s\u00falade s emulovan\u00fdmi aplik\u00e1ciami so 100% n\u00e1hodn\u00fdm pr\u00edstupom k d\u00e1tam (full random). <\/p>\n<h3>Pracovn\u00e1 z\u00e1\u0165a\u017e Oracle Database<\/h3>\n<p>\nNajprv bol vykonan\u00fd OLTP test, navrhnut\u00fd pre emul\u00e1ciu prostredia Oracle. Vdbench bol pou\u017eit\u00fd na vytvorenie pracovnej z\u00e1\u0165a\u017ee s r\u00f4znymi pomermi \u010d\u00edtania a z\u00e1pisu. Test bol vykonan\u00fd na \u0161tyroch virtu\u00e1lnych strojoch. Po\u010das \u0161tv\u03bf\u03c1hodinov\u00e9ho testu HyperFlex dok\u00e1zal zobrazi\u0165 viac ako 420 000 IOPS s latenciou len 4,4 milisekundy. Softv\u00e9rov\u00e9 rie\u0161enia A a B dok\u00e1zali uk\u00e1za\u0165 len 238 000 a 251 000 IOPS resp.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/b6e2ed4bf71fe4ad22f9b0d721ca84aa.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/dcaeffd738cae959d71774641b91ad7a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nStopnje zakasnitev v razli\u010dnih sistemih so bile pribli\u017eno enake, razen zakasnitve zapisa za dobavitelja B, ki je v povpre\u010dju zna\u0161ala 26,49 ms, medtem ko so bili rezultati zakasnitev pri branju zelo dobri, 2,9 ms. Stiskanje in deduplicacija sta bila aktivna v vseh sistemih.<\/p>\n<h3>Delovna obremenitev Microsoft SQL Server<\/h3>\n<p>\nNato je bila obravnavana delovna obremenitev OLTP, namenjena emulaciji DBMS Microsoft SQL Server. <\/p>\n<p><img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/15b73c7acecc65dc6587e9ebec2764af.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKot rezultat tega testa je Cisco HyperFlex pribli\u017eno dvakrat preka\u0161al oba konkurenta A in B. 490.000 IOPS pri Ciscu v primerjavi s 200.000 in 260.000 pri proizvajalcih A in B.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/465f9d3dc9ec2be40057e609dab295a5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nRezultati zakasnitev pri Cisco HyperFlex se niso bistveno razlikovali od testa Oracle, torej so bili na dobri ravni 4,4 ms. Hkrati so proizvajalci A in B dosegli rezultate, ki so bili bistveno slab\u0161i kot pri testu za Oracle. Edina pozitivna to\u010dka za konkuren\u010dno re\u0161itev B je stabilno nizka zakasnitev pri branju na ravni 2,9 ms, medtem ko je Hyperflex preka\u0161al konkuren\u010dne re\u0161itve dvakrat in ve\u010d pri vseh drugih kazalnikih.<\/p>\n<h3>Zaklju\u010dki<\/h3>\n<p>\nTestiranje, ki ga je izvedla neodvisna laboratorium ESG, ni samo \u0161e enkrat potrdilo dostojno raven zmogljivosti re\u0161itve Cisco Hyperflex, temve\u010d je dokazalo, da so hiper-konvergentni sistemi \u017ee pripravljeni za \u0161iroko uporabo v nalogah na ravni mission-critical.<\/p>\n<p>Hiper-konvergentni sistemi so dolgo \u010dasa veljali za bolj primerni za nekriti\u010dne obremenitve. V letu 2016 je ESG izvedla anketo med velikimi podjetji. Vpra\u0161ali so jih, zakaj so se odlo\u010dili za tradicionalno infrastrukturo in ne za hiper-konvergentno. 54% anketirancev je odgovorilo, da je razlog zmogljivost. <\/p>\n<p>Premaknimo se v leto 2018. Slika se je spremenila: ponovna anketa ESG je pokazala, da se je le 24% anketirancev \u0161e vedno strinjalo, da so tradicionalni pristopi \u0161e vedno bolj\u0161i z vidika zmogljivosti.<\/p>\n<p>Ko evolucija tehnologij spreminja kriterije izbire re\u0161itev v industriji, pogosto pride do neskladja med tem, kar \u017eele naro\u010dniki, in tem, kar lahko pridobijo. Proizvajalci, ki lahko vidijo, \u010desa manjka in zapolnijo to praznino \u2013 pridobijo prednost. Cisco ponuja hiper-konvergentno re\u0161itev, ki zagotavlja enostavnost in ekonomi\u010dnost ter stabilno visoko zmogljivost, ki je manjkala in je potrebna naro\u010dnikom za kriti\u010dne delovne obremenitve. <\/p>\n<p>Podjetje Cisco se postopoma premika naprej na podro\u010dju hiperkonvergiranih sistemov, kar potrjujejo ne le odli\u010dne lastnosti re\u0161itve Cisco Hyperflex, temve\u010d tudi njena prisotnost na trgu. Zato je jeseni 2018 podjetje Cisco zaslu\u017eeno vstopilo v skupino voditeljev trga HCI po razli\u010dici Gartner.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco Hyperflex za visoko obremenjene DBMS\" src=\"\/wp-content\/uploads\/2019\/05\/1cfe1b741446aef816448ba9759bb5ca.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n\u017de zdaj se lahko prepri\u010date, da je Hyperflex odli\u010dna re\u0161itev za najbolj zahtevne poslovne izzive, \u010de se udele\u017eite na\u0161ih predstavitev, ki bodo potekale v mestih Moskva in Krasnodar.<\/p>\n<p>Moskva \u2013 28. maj. Prijava <noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/msk\/\">na povezavi<\/a><\/noindex>.<br \/>\nKrasnodar \u2013 5. junij. Prijava <noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/krsnd\/\">na povezavi<\/a><\/noindex>.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cisco\/blog\/452602\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u044b \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u0446\u0438\u043a\u043b \u0441\u0442\u0430\u0442\u0435\u0439 \u043f\u0440\u043e Cisco Hyperflex. \u0412 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u043c\u044b \u043f\u043e\u0437\u043d\u0430\u043a\u043e\u043c\u0438\u043c \u0432\u0430\u0441 \u0441 \u0440\u0430\u0431\u043e\u0442\u043e\u0439 Cisco Hyperflex \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u0432\u044b\u0441\u043e\u043a\u043e\u043d\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0421\u0423\u0411\u0414 Oracle \u0438 Microsoft SQL, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0440\u0430\u0432\u043d\u0438\u043c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0438 \u0441 \u043a\u043e\u043d\u043a\u0443\u0440\u0435\u043d\u0442\u043d\u044b\u043c\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f\u043c\u0438. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043c\u044b \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 Hyperflex \u0432 \u0440\u0435\u0433\u0438\u043e\u043d\u0430\u0445 \u043d\u0430\u0448\u0435\u0439 \u0441\u0442\u0440\u0430\u043d\u044b \u0438 \u0441 \u0440\u0430\u0434\u043e\u0441\u0442\u044c\u044e \u043f\u0440\u0438\u0433\u043b\u0430\u0448\u0430\u0435\u043c \u0432\u0430\u0441 \u043f\u043e\u0441\u0435\u0442\u0438\u0442\u044c \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u044b\u0435 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25717,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041c\u044b \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u043c \u0446\u0438\u043a\u043b \u0441\u0442\u0430\u0442\u0435\u0439 \u043f\u0440\u043e Cisco Hyperflex.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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