{"id":32197,"date":"2019-10-31T21:45:37","date_gmt":"2019-10-31T18:45:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/hpe-superdome-flex-novyj-uroven-proizvoditelnosti-i-masshtabirovaniya\/"},"modified":"2019-10-31T21:45:37","modified_gmt":"2019-10-31T18:45:37","slug":"hpe-superdome-flex-novyj-uroven-proizvoditelnosti-i-masshtabirovaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/hpe-superdome-flex-novyj-uroven-proizvoditelnosti-i-masshtabirovaniya","title":{"rendered":"HPE Superdome Flex: un nou nivel de performan\u021b\u0103 \u0219i scalabilitate","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen decembrie trecut, compania HPE a anun\u021bat lansarea unei platforme modulare pentru calculul \u00een memorie, utiliz\u00e2nd tehnologia in-memory, cu cele mai extinse capacit\u0103\u021bi de scalare din lume \u2014 HPE Superdome Flex. Aceasta este o inova\u021bie \u00een domeniul sistemelor de calcul pentru suportul aplica\u021biilor critice, analiza \u00een timp real \u0219i calculul de \u00eenalt\u0103 performan\u021b\u0103 cu procesare intens\u0103 a datelor.<\/p>\n

Platforma HPE Superdome Flex<\/a><\/noindex> dispune de o serie de caracteristici care o fac unic\u0103 \u00een industrie. V\u0103 oferim traducerea unui articol din blog Servers: The Right Compute<\/a><\/noindex>, care discut\u0103 despre arhitectura modular\u0103 \u0219i scalabil\u0103 a platformei.<\/p>\n

\"HPE<\/a><\/noindex><\/p>\n

Capacit\u0103\u021bile de scalare dep\u0103\u0219esc posibillit\u0103\u021bile Intel<\/h3>\n

\nCa majoritatea furnizorilor de servere x86, HPE folose\u0219te \u00een serverele sale de genera\u021bie nou\u0103, inclusiv HPE Superdome Flex, cele mai recente procesoare din familia Intel Xeon Scalable, denumite Skylake. \u00cen arhitectura de referin\u021b\u0103 Intel pentru aceste procesoare se utilizeaz\u0103 o nou\u0103 tehnologie UltraPath Interconnect (UPI) cu limitare la opt socketuri. Majoritatea furnizorilor care folosesc aceste procesoare aplic\u0103 \u00een servere o metod\u0103 de conectare f\u0103r\u0103 lipire, \u00eens\u0103 HPE Superdome Flex utilizeaz\u0103 o arhitectur\u0103 modular\u0103 unic\u0103 cu capacit\u0103\u021bi de scalare care dep\u0103\u0219esc posibillit\u0103\u021bile Intel: de la 4 la 32 de socketuri \u00eentr-un singur sistem.<\/p>\n

Aceast\u0103 arhitectur\u0103 a fost adoptat\u0103 deoarece am observat o nevoie de platforme cu scalabilitate care dep\u0103\u0219esc cele opt socketuri Intel; acest lucru este deosebit de relevant ast\u0103zi, c\u00e2nd volumele de date cresc cu o vitez\u0103 f\u0103r\u0103 precedent. \u00cen plus, deoarece Intel a dezvoltat UPI \u00een principal pentru servere cu dou\u0103 \u0219i patru socketuri, serverele cu opt socketuri \u201ef\u0103r\u0103 lipire\u201d se confrunt\u0103 cu probleme de l\u0103\u021bime de band\u0103. Arhitectura noastr\u0103 asigur\u0103 o l\u0103\u021bime de band\u0103 ridicat\u0103 chiar \u0219i \u00een cazul cre\u0219terii sistemului la configura\u021bia maxim\u0103.<\/p>\n

Raportul pre\u021b\/performance ca avantaj competitiv<\/h3>\n

\n\"HPEArhitectura modular\u0103 HPE Superdome Flex este bazat\u0103 pe un \u0219asiu cu patru socketuri, av\u00e2nd capacitatea de a se scala p\u00e2n\u0103 la opt \u0219asiuri \u0219i 32 de socketuri \u00eentr-un singur sistem de server<\/b>. Pentru utilizare pe server, este disponibil\u0103 o gam\u0103 larg\u0103 de procesoare: de la modele mai ieftine Gold p\u00e2n\u0103 la seria de top Platinum a procesoarelor Xeon Scalable.<\/p>\n

Aceast\u0103 op\u021biune de alegere \u00eentre procesoarele Gold \u0219i Platinum pe \u00eentreg intervalul de scalabilitate ofer\u0103 avantaje excelente \u00een raportul pre\u021b\/performan\u021b\u0103 comparativ cu sistemele de entry-level. De exemplu, \u00eentr-o configura\u021bie tipic\u0103 cu 6 TB de memorie, Superdome Flex ofer\u0103 o solu\u021bie mai ieftin\u0103 \u0219i mai performant\u0103 dec\u00e2t ofertele concurente cu patru socket-uri. De ce? Din cauza particularit\u0103\u021bilor arhitecturii, al\u021bi produc\u0103tori de sisteme cu 4 procesoare sunt obliga\u021bi s\u0103 foloseasc\u0103 module de memorie de 128 GB DIMM \u0219i procesoare mai scumpe, care suport\u0103 1.5 TB pe socket. Acest lucru este semnificativ mai costisitor dec\u00e2t utilizarea modulelor de 64 GB DIMM \u00een Superdome Flex cu opt socket-uri. Datorit\u0103 acestui fapt, platforma Superdome Flex cu opt socket-uri \u0219i 6 TB de memorie ofer\u0103 o putere de calcul de dou\u0103 ori mai mare, o l\u0103\u021bime de band\u0103 a memoriei de dou\u0103 ori mai mare \u0219i de dou\u0103 ori mai multe capacit\u0103\u021bi de intrare-ie\u0219ire, \u0219i va fi totu\u0219i mai rentabil\u0103 dec\u00e2t produsele concurente cu patru socket-uri \u0219i 6 TB de memorie.<\/p>\n

\u00cen mod similar, pentru configura\u021bia cu 8 procesoare cu 6 TB de memorie, platforma Superdome Flex poate oferi o solu\u021bie mai ieftin\u0103 \u0219i mai performant\u0103 cu opt socket-uri. Cum? Al\u021bi produc\u0103tori de sisteme cu 8 procesoare sunt obliga\u021bi s\u0103 utilizeze procesoare Platinum mai scumpe, \u00een timp ce Superdome Flex cu opt socket-uri poate folosi procesoare Gold mai ieftine, oferind aceea\u0219i capacitate de memorie.<\/p>\n

De fapt, printre platformele bazate pe familia de procesoare Intel Xeon Scalable, doar Superdome Flex poate suporta procesoare Gold mai economice \u00een configura\u021bii cu 8 socket-uri sau mai multe<\/b> (arhitectura Intel \u201ef\u0103r\u0103 sudur\u0103\u201d suport\u0103 8 socket-uri doar cu procesoare Platinum scumpe). De asemenea, oferim o gam\u0103 larg\u0103 de procesoare cu un num\u0103r diferit de nuclee, de la 4 la 28 pe procesor, permi\u021b\u00e2nd correlarea acestora cu cerin\u021bele sarcinilor de lucru.<\/p>\n

Importan\u021ba scalabilit\u0103\u021bii \u00een cadrul unei singure sisteme<\/h3>\n

\nCapacitatea de scalare vertical\u0103 \u00een cadrul unui singur sistem, sau scale up, ofer\u0103 o serie de avantaje pentru sarcinile critice \u0219i bazele de date, pentru care HPE Superdome Flex este cel mai potrivit. Acestea includ bazele de date tradi\u021bionale \u0219i bazele de date \u00een memorie, analiza \u00een timp real, ERP, CRM \u0219i alte aplica\u021bii tranzac\u021bionale. Pentru aceste tipuri de sarcini, este mai u\u0219or \u0219i mai ieftin s\u0103 gestionezi un mediu scalabil vertical dec\u00e2t un cluster cu scalare orizontal\u0103; \u00een plus, acest lucru reduce semnificativ laten\u021bele \u0219i \u00eembun\u0103t\u0103\u021be\u0219te performan\u021ba.<\/p>\n

Consulta\u021bi publica\u021bia din blog Viteza opera\u021biunilor la scalarea orizontal\u0103 \u0219i vertical\u0103 cu SAP S\/4HANA<\/a><\/noindex>, pentru a \u00een\u021belege de ce scalarea vertical\u0103 este mult mai eficient\u0103 dec\u00e2t scalarea orizontal\u0103 (clusterizare) pentru aceste tipuri de sarcini de lucru. \u00cen esen\u021b\u0103, totul se reduce la vitez\u0103 \u0219i capacitatea de a func\u021biona la nivelul necesar pentru aceste aplica\u021bii critice.<\/p>\n

Performan\u021b\u0103 constant ridicat\u0103 p\u00e2n\u0103 la configura\u021bii maxime<\/h3>\n

\nCapacit\u0103\u021bile ridicate de scalare ale Superdome Flex sunt realizate datorit\u0103 chipset-ului unic HPE Superdome Flex ASIC, care leag\u0103 unit\u0103\u021bile de \u0219asiu cu 4 procesoare, a\u0219a cum se arat\u0103 \u00een figurile 1 \u0219i 2. Toate ASIC-urile sunt conectate direct \u00eentre ele (cu un singur salt), asigur\u00e2nd \u00eent\u00e2rzieri minime \u00een accesul la resursele externe \u0219i o performan\u021b\u0103 maxim\u0103. Tehnologia HPE Superdome Flex ASIC ofer\u0103 rutare adaptiv\u0103 pentru echilibrarea \u00eenc\u0103rc\u0103turii matricei de comutare \u0219i optimizarea \u00eent\u00e2rzierilor \u0219i l\u0103\u021bimii de band\u0103, ceea ce \u00eembun\u0103t\u0103\u021be\u0219te performan\u021ba \u0219i nivelul de disponibilitate al sistemului. ASIC-ul combin\u0103 \u0219asiurile \u00eentr-o matrice-coerent\u0103 de cache \u0219i sus\u021bine coeren\u021ba cache-ului \u00eentre toate procesoarele, folosind un catalog mare cu \u00eenregistr\u0103ri de stare a liniilor de cache, \u00eencorporat direct \u00een ASIC. Aceast\u0103 schem\u0103 de coeren\u021b\u0103 joac\u0103 un rol esen\u021bial, oferind Superdome Flex capacitatea de a men\u021bine o scalare a performan\u021bei aproape liniar\u0103 \u00een intervalul de la 4 la 32 de socluri. Variantele tipice ale arhitecturii \u201ef\u0103r\u0103 lipiri\u201d demonstreaz\u0103 deja o scalare a performan\u021bei mai restr\u00e2ns\u0103 (\u00eentre patru \u0219i opt socluri) din cauza difuz\u0103rii solicit\u0103rilor de serviciu pentru a asigura coeren\u021ba.<\/p>\n

\"HPE
\nFig. 1. Schema conexiunilor matricei de comutare HPE Flex Grid a serverului Superdome Flex cu 32 de socluri <\/i><\/p>\n

\"HPE
\nFig. 2. \u0218asiuri cu 4 procesoare <\/i><\/p>\n

Memorie total\u0103<\/h3>\n

\nSimilar resurselor de procesor, capacitatea de memorie poate fi extins\u0103 prin ad\u0103ugarea de \u0219asiuri la sistem. Fiecare \u0219asiu dispune de 48 de sloturi DDR4 DIMM \u00een care pot fi instalate module de memorie de 32 GB RDIMM, 64 GB LRDIMM sau 128 GB 3DS LRDIMM, ceea ce ofer\u0103 o capacitate maxim\u0103 de 6 TB pe \u0219asiu. Prin urmare, capacitatea total\u0103 de memorie a HPE Superdome Flex \u00een configura\u021bia maxim\u0103 cu 32 de socluri ajunge la 48 TB, permi\u021b\u00e2nd operarea celor mai resurse consumatoare de aplica\u021bii care utilizeaz\u0103 tehnologia in-memory.<\/p>\n

Flexibilitate ridicat\u0103 a I\/O<\/h3>\n

\n\u00cen ceea ce prive\u0219te I\/O, fiecare \u0219asiu Superdome Flex poate fi echipat cu un co\u0219 cu 16 sau 12 sloturi I\/O pentru a oferi o gam\u0103 larg\u0103 de op\u021biuni de instalare a pl\u0103cilor standard PCIe 3.0 \u0219i o capacitate flexibil\u0103 de a men\u021bine echilibrul sistemului pentru orice sarcini de lucru. \u00cen orice variant\u0103 a co\u0219ului, sloturile I\/O sunt conectate direct la procesoare, f\u0103r\u0103 utilizarea repetitorilor de magistral\u0103 sau extensiilor, ceea ce ar putea cre\u0219te timpul de \u00eent\u00e2rziere sau reduce l\u0103\u021bimea de band\u0103. Acest lucru asigur\u0103 performan\u021ba maxim\u0103 a fiec\u0103rei pl\u0103ci I\/O.<\/p>\n

Latente sc\u0103zute<\/h3>\n

\nTimpul de acces sc\u0103zut la \u00eentreaga memorie RAM partajat\u0103 este un factor cheie al performan\u021bei ridicate a Superdome Flex. Indiferent dac\u0103 datele se afl\u0103 \u00een memoria local\u0103 sau \u00een cea \u00eendep\u0103rtat\u0103 (\u00een alt \u0219asiu), o copie a acestora poate fi g\u0103sit\u0103 \u00een cache-ul diferitelor procesoare din cadrul sistemului. Mecanismul de coeren\u021b\u0103 a cache-ului asigur\u0103 consisten\u021ba copiilor din cache \u00een cazul \u00een care un proces modific\u0103 datele. Timpul de \u00eent\u00e2rziere pentru accesul procesorului la memoria local\u0103 este de aproximativ 100 ns. \u00cent\u00e2rzierea accesului la datele din memoria altui procesor prin canalul UPI este de aproximativ 130 ns. Procesoarele care acceseaz\u0103 datele aflate \u00een memoria altui \u0219asiu parcurg o distan\u021b\u0103 \u00eentre dou\u0103 ASIC Flex (\u00eentotdeauna conectate direct) cu o \u00eent\u00e2rziere de mai pu\u021bin de 400 ns, indiferent de \u0219asiul \u00een care se afl\u0103 procesorul. Datorit\u0103 acestui fapt, Superdome Flex ofer\u0103 o l\u0103\u021bime de band\u0103 \u00eentre cele dou\u0103 jum\u0103t\u0103\u021bi ale matricei (bi-sectioned) de peste 210 GB\/s \u00een configura\u021bia cu 8 socluri, peste 425 GB\/s \u00een configura\u021bia cu 16 socluri \u0219i peste 850 GB\/s \u00een configura\u021bia cu 32 socluri. Acest lucru este mai mult dec\u00e2t suficient pentru cele mai solicitate \u0219i consumatoare de resurse sarcini de lucru. <\/p>\n

De ce sunt importante capabilit\u0103\u021bile ridicate de scalare modular\u0103?<\/h3>\n

\nNu este un secret c\u0103 volumul de date cre\u0219te cu o vitez\u0103 nemaiv\u0103zut\u0103; aceasta \u00eenseamn\u0103 c\u0103 infrastructura trebuie s\u0103 fac\u0103 fa\u021b\u0103 cerin\u021belor tot mai exigente pentru procesarea \u0219i analizarea datelor critice \u0219i \u00een continu\u0103 expansiune. Dar ritmurile de cre\u0219tere pot fi imprevizibile.<\/p>\n

Atunci c\u00e2nd desf\u0103\u0219ura\u021bi aplica\u021bii care utilizeaz\u0103 intensiv memoria RAM, s-ar putea s\u0103 v\u0103 \u00eentreba\u021bi: c\u00e2t m\u0103 va costa urm\u0103torul TB de memorie<\/i>? Superdome Flex \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0432\u0430\u0442\u044c \u043e\u0431\u044a\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u0431\u0435\u0437 \u0437\u0430\u043c\u0435\u043d\u044b \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0432\u044b \u043d\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u044b \u0441\u043b\u043e\u0442\u0430\u043c\u0438 DIMM \u0432 \u043e\u0434\u043d\u043e\u043c \u0448\u0430\u0441\u0441\u0438. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0441 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0447\u0438\u0441\u043b\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0430\u0436\u043d\u044b\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c \u0432\u0441\u0435\u0433\u0434\u0430 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u0441\u043e\u043a\u0430\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u043e\u0431\u044a\u0435\u043c\u0430 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438.<\/p>\n

Ast\u0103zi, bazele de date care func\u021bioneaz\u0103 \u00een memorie necesit\u0103 platforme hardware cu laten\u021be reduse \u0219i l\u0103\u021bimi de band\u0103 ridicate. Datorit\u0103 arhitecturii sale inovatoare, platforma HPE Superdome Flex ofer\u0103 o performan\u021b\u0103 excep\u021bional\u0103, capacitate de transfer ridicat\u0103 \u0219i laten\u021b\u0103 constant redus\u0103 chiar \u0219i \u00een cele mai mari configura\u021bii. \u00cen plus, toate acestea pot fi ob\u021binute pentru sarcinile dumneavoastr\u0103 critice \u0219i bazele de date cu un raport pre\u021b\/performan\u021b\u0103 foarte atractiv \u00een compara\u021bie cu sistemele altor furnizori.<\/p>\n

Pute\u021bi afla despre propriet\u0103\u021bile unice de rezilien\u021b\u0103 (RAS) ale serverului Superdome Flex din blog. HPE Superdome Flex: Propriet\u0103\u021bi unice RAS<\/a><\/noindex> \u0219i descrierea tehnic\u0103. HPE Superdome Flex: arhitectura serverului \u0219i caracteristicile RAS<\/a><\/noindex>. De asemenea, a fost lansat recent un blog dedicat actualiz\u0103rilor HPE Superdome Flex<\/a><\/noindex>, anun\u021bate la HPE Discover.<\/p>\n

Din acestui articol<\/a><\/noindex> pute\u021bi descoperi cum HPE Superdome Flex este utilizat pentru a aborda problemele de cosmologie \u0219i cum platforma este preg\u0103tit\u0103 pentru computingul bazat pe memorie, o nou\u0103 arhitectur\u0103 de calcul pe baz\u0103 de memorie.<\/p>\n

De asemenea, pute\u021bi ob\u021bine mai multe informa\u021bii despre platform\u0103 din \u00eenregistrarea webinarului.<\/noindex>.
\n
Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u043f\u0440\u043e\u0440\u044b\u0432 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0430\u0436\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0438 \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439 \u0441 \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445. 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