{"id":30873,"date":"2019-10-31T21:37:54","date_gmt":"2019-10-31T18:37:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/cisco-hyperflex-vs-konkurenty-testiruem-proizvoditelnost\/"},"modified":"2019-10-31T21:37:54","modified_gmt":"2019-10-31T18:37:54","slug":"cisco-hyperflex-vs-konkurenty-testiruem-proizvoditelnost","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/cisco-hyperflex-vs-konkurenty-testiruem-proizvoditelnost","title":{"rendered":"Cisco HyperFlex vs. konkurrenter: vi tester ydeevnen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vi forts\u00e6tter med at pr\u00e6sentere dig for Cisco HyperFlex hyperkonvergerende system.<\/p>\n<p>I april 2019 afholder Cisco endnu en r\u00e6kke demonstrationer af det nye hyperkonvergerende l\u00f8sning, Cisco HyperFlex, i Rusland og Kasakhstan. Du kan tilmelde dig demonstrationerne via kontaktformularen ved at f\u00f8lge linket. Deltag!<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/spb\/\">Sankt Petersborg (1.-19. april 2019)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/sam\/\">Samara (10. april 2019)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/ciscopromo.kz\/\">Almaty (11. april 2019)<\/a><\/noindex><\/li>\n<\/ul>\n<p>\nTidligere har vi offentliggjort en artikel om belastningstest udf\u00f8rt af det uafh\u00e6ngige laboratorium ESG Lab i 2017. I 2018 forbedredes egenskaberne for Cisco HyperFlex-l\u00f8sningen (version HX 3.0) betydeligt. Derudover forts\u00e6tter konkurrencepr\u00e6gede l\u00f8sninger ogs\u00e5 med at forbedre sig. Derfor offentligg\u00f8r vi en ny og mere opdateret version af de komparative belastningstest fra ESG. <\/p>\n<p>I sommeren 2018 udf\u00f8rte ESG-laboratoriet en ny sammenligning af Cisco HyperFlex med konkurrenterne. I lyset af den moderne tendens til at anvende softwaredefinerede l\u00f8sninger blev producenter af s\u00e5danne platforme ogs\u00e5 inkluderet i den komparative analyse. <\/p>\n<h2>Testkonfigurationer<\/h2>\n<p>\nI forbindelse med testningen blev HyperFlex sammenlignet med to fuldt softwarebaserede hyperkonvergerende systemer, som kan installeres p\u00e5 standard x86-servere, samt med \u00e9n software-hardwarel\u00f8sning. Testningen blev udf\u00f8rt ved hj\u00e6lp af det standardiserede software til hyperkonvergerende systemer - HCIBench, der bruger Oracle Vdbench-v\u00e6rkt\u00f8jet og automatiserer testprocessen. HCIBench opretter automatisk virtuelle maskiner, koordinerer belastningen mellem dem og genererer brugervenlige og klare rapporter. \u00a0<\/p>\n<p>Der blev oprettet 140 virtuelle maskiner p\u00e5 klusteret (35 p\u00e5 node i klusteret). Hver virtuel maskine brugte 4 vCPU, 4 GB RAM. Den lokale disk for VM var 16 GB og en ekstra disk p\u00e5 40 GB.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDe f\u00f8lgende klusterkonfigurationer deltog i testningen:<\/p>\n<ul>\n<li>kluster best\u00e5ende af fire noder med Cisco HyperFlex 220C 1 x 400 GB SSD til cache og 6 x 1,2 TB SAS HDD til data;<\/li>\n<li>kluster fra konkurrenten Vendor A best\u00e5ende af fire noder med 2 x 400 GB SSD til cache og 4 x 1 TB SATA HDD til data;<\/li>\n<li>kluster fra konkurrenten Vendor B best\u00e5ende af fire noder med 2 x 400 GB SSD til cache og 12 x 1,2 TB SAS HDD til data;<\/li>\n<li>kluster fra konkurrenten Vendor C best\u00e5ende af fire noder med 4 x 480 GB SSD til cache og 12 x 900 GB SAS HDD til data.<\/li>\n<\/ul>\n<p>\nProcessorerne og RAM-memoerne for alle l\u00f8sninger var identiske.<\/p>\n<h2>Test af antallet af virtuelle maskiner<\/h2>\n<p>\nTesten begyndte med en arbejdsbyrde designet til at emulere en standard OLTP-test: l\u00e6sning\/skrivning (RW) 70%\/30%, 100% FullRandom med et m\u00e5lv\u00e6rdi p\u00e5 800 IOPS pr. virtuel maskine (VM). Testen blev udf\u00f8rt p\u00e5 140 VM'er i hver klynge i l\u00f8bet af tre til fire timer. M\u00e5let med testen var at opretholde skriveforsinkelser p\u00e5 det maksimale antal VM'er p\u00e5 5 millisekunder eller derunder. <\/p>\n<p>Som resultat af testen (se grafen nedenfor) var HyperFlex den eneste platform, der gennemf\u00f8rte denne test med de oprindelige 140 VM'er og med forsinkelser p\u00e5 under 5 ms (4,95 ms). For hver af de andre klynger blev testen genstartet for at justere antallet af VM'er til den \u00f8nskede forsinkelse p\u00e5 5 ms gennem flere iterationer. <\/p>\n<p>Leverand\u00f8r A klarede sig succesfuldt med 70 VM'er med en gennemsnitlig svartid p\u00e5 4,65 ms.<br \/>\nLeverand\u00f8r B opn\u00e5ede de kr\u00e6vede forsinkelser p\u00e5 5,37 ms med kun 36 VM'er. <br \/>\nLeverand\u00f8r C kunne h\u00e5ndtere 48 virtuelle maskiner med en svartid p\u00e5 5,02 ms.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco HyperFlex vs. konkurrenter: vi tester ydeevnen\" src=\"\/wp-content\/uploads\/2019\/04\/0697a4ad28f5affb888f036b0dfc9519.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Emulering af SQL Server-belastning<\/h2>\n<p>\nDern\u00e6st emulerede ESG Lab SQL Server-belastningen. Testen brugte forskellige block st\u00f8rrelser og l\u00e6se\/skrive-forhold. Testen blev ogs\u00e5 k\u00f8rt p\u00e5 140 virtuelle maskiner.<\/p>\n<p>Som vist p\u00e5 figuren nedenfor overgik Cisco HyperFlex n\u00e6sten dobbelt s\u00e5 mange IOPS som leverand\u00f8r A og B, og leverand\u00f8r C med mere end fem gange. Gennemsnitlig svartid for Cisco HyperFlex var 8,2 ms. Til sammenligning var den gennemsnitlige svartid for leverand\u00f8r A 30,6 ms, for leverand\u00f8r B 12,8 ms, og for leverand\u00f8r C 10,33 ms.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco HyperFlex vs. konkurrenter: vi tester ydeevnen\" src=\"\/wp-content\/uploads\/2019\/04\/11a24b1d76d7207a56dcc1f5da041cd9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nEt interessant observation blev gjort under alle testene. Leverand\u00f8r B viste en betydelig variation i den gennemsnitlige ydeevne i IOPS p\u00e5 tv\u00e6rs af forskellige VM'er. Det vil sige, at belastningen blev distribueret ekstremt uj\u00e6vnt, nogle VM'er arbejdede med et gennemsnit p\u00e5 1000 IOPS+, mens andre arbejdede med 64 IOPS. Cisco HyperFlex s\u00e5 i denne sammenh\u00e6ng betydeligt mere stabil ud; alle 140 VM'er fik i gennemsnit 600 IOPS fra lagersystemet, hvilket bet\u00f8d, at belastningen mellem de virtuelle maskiner var distribueret meget j\u00e6vnt.<\/p>\n<p><img decoding=\"async\" alt=\"Cisco HyperFlex vs. konkurrenter: vi tester ydeevnen\" src=\"\/wp-content\/uploads\/2019\/04\/1734468d3c62d2031daa18ae29d03c8e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDet er vigtigt at bem\u00e6rke, at denne uj\u00e6vne fordeling af IOPS p\u00e5 de virtuelle maskiner hos leverand\u00f8r B blev observeret i hver testiteration. <\/p>\n<p>I et reelt produktionsmilj\u00f8 kan denne adf\u00e6rd fra systemet v\u00e6re et stort problem for administratorer, da enkelte virtuelle maskiner tilf\u00e6ldigt begynder at \"l\u00e5se sig fast\", og der stort set ikke er nogen m\u00e5de at kontrollere denne proces p\u00e5. Den eneste, ikke s\u00e6rligt effektive metode til at udligne belastningen, n\u00e5r man bruger en l\u00f8sning fra leverand\u00f8r B, er at anvende en eller anden implementering af QoS eller belastningsbalancering.<\/p>\n<h2>Output<\/h2>\n<p>\nLad os overveje, hvad 140 virtuelle maskiner hos Cisco Hyperflex p\u00e5 \u00e9n fysisk node betyder i forhold til 70 eller f\u00e6rre hos andre l\u00f8sninger? Det betyder for virksomheden, at man har brug for f\u00e6rre noder for at opretholde det samme antal applikationer p\u00e5 Hyperflex, alts\u00e5 halvdelen af, hvad konkurrenternes l\u00f8sninger kr\u00e6ver, hvilket g\u00f8r den samlede systemomkostning betydeligt lavere. Hvis man tillader sig at l\u00e6gge et automatiseringslag ovenp\u00e5 alle netv\u00e6rksdrift, servere og HX Data Platform, bliver det klart, hvorfor Cisco Hyperflex-l\u00f8sninger hurtigt vinder indpas p\u00e5 markedet. <\/p>\n<p>Generelt har ESG-laboratoriet bekr\u00e6ftet, at de hybride Cisco HyperFlex-versioner HX 3.0 leverer en h\u00f8jere og mere stabil ydeevne end andre tilsvarende l\u00f8sninger. <\/p>\n<p>Desuden har de hybride HyperFlex-klynger overg\u00e5et konkurrenterne i IOPS og latenstid. Ikke mindre vigtigt er det, at HyperFlex' ydeevne blev opretholdt ved en meget godt distribueret belastning over hele lageret.<\/p>\n<p>Lad os minde om, at du allerede nu kan se Cisco Hyperflex-l\u00f8sningen og bekr\u00e6fte dens kapaciteter. Systemet er tilg\u00e6ngeligt for demonstration for alle interesserede:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/spb\/\">Sankt Petersborg (1.-19. april 2019)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.promo\/sam\/\">Samara (10. april 2019)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/ciscopromo.kz\/\">Almaty (11. april 2019)<\/a><\/noindex><\/li>\n<\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cisco\/blog\/446638\/\">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 \u0437\u043d\u0430\u043a\u043e\u043c\u0438\u0442\u044c \u0432\u0430\u0441 \u0441 \u0433\u0438\u043f\u0435\u0440\u043a\u043e\u043d\u0432\u0435\u0440\u0433\u0435\u043d\u0442\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439 Cisco HyperFlex. \u0412 \u0430\u043f\u0440\u0435\u043b\u0435 2019 \u0433\u043e\u0434\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u0432 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0439 \u0440\u0430\u0437 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442 \u0441\u0435\u0440\u0438\u044e \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u0439 \u043d\u043e\u0432\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u043a\u043e\u043d\u0432\u0435\u0440\u0433\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044f Cisco HyperFlex \u0432 \u0440\u0435\u0433\u0438\u043e\u043d\u0430\u0445 \u0420\u043e\u0441\u0441\u0438\u0438 \u0438 \u0432 \u041a\u0430\u0437\u0430\u0445\u0441\u0442\u0430\u043d\u0435. \u0417\u0430\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u044e \u043c\u043e\u0436\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u0444\u043e\u0440\u043c\u0443 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u0432\u044f\u0437\u0438, \u043f\u0435\u0440\u0435\u0439\u0434\u044f \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0435. \u041f\u0440\u0438\u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0439\u0442\u0435\u0441\u044c! \u0421\u0430\u043d\u043a\u0442-\u041f\u0435\u0442\u0435\u0440\u0431\u0443\u0440\u0433 (1-19 \u0430\u043f\u0440\u0435\u043b\u044f 2019 \u0433\u043e\u0434\u0430) \u0421\u0430\u043c\u0430\u0440\u0430 (10 \u0430\u043f\u0440\u0435\u043b\u044f 2019 \u0433\u043e\u0434\u0430) \u0410\u043b\u043c\u0430-\u0410\u0442\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22856,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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