{"id":39097,"date":"2019-10-31T22:27:50","date_gmt":"2019-10-31T19:27:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/po-vashim-zayavkam-professionalnyj-test-ssd-nakopitelej-kingston-dc500r-i-dc500m\/"},"modified":"2019-10-31T22:27:50","modified_gmt":"2019-10-31T19:27:50","slug":"po-vashim-zayavkam-professionalnyj-test-ssd-nakopitelej-kingston-dc500r-i-dc500m","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/po-vashim-zayavkam-professionalnyj-test-ssd-nakopitelej-kingston-dc500r-i-dc500m","title":{"rendered":"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Olete palunud n\u00e4ha reaalseid n\u00e4iteid meie ettev\u00f5tte SSD-diskide kasutamisest ja professionaalsetest testidest. Esitame teile p\u00f5hjaliku \u00fclevaate meie SSD-diskidest <noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrKingstonTruesystem\">Kingston DC500R ja DC500M<\/a><\/noindex> meie partnerilt Truesystems. Truesystems'i eksperdid kogusid reaalse serveri ja simuleerisid t\u00e4iesti reaalseid \u00fclesandeid, millega k\u00f5iki ettev\u00f5tte klassi SSD-diskid kokku puutuvad. Vaadakem, mida nad saavutasid!<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/2d2d75d35a611f328d59607a8b282b17.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Kingstoni 2019. aasta mudelivalik<\/h2>\n<p>\nKuna alustame natuke kuivast teooriast. K\u00f5ik Kingstoni SSD-diskid v\u00f5ib jaotada neljaks suureks r\u00fchmaks. See jaotamine on tinglik, kuna samad SSD-diskid kuuluvad korraga mitmesse peresse.<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrMainPage\">S\u00fcsteemide koostajatest SSD-diskid:<\/a><\/noindex> SATA SSD \u0432 \u0444\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440\u0430\u0445 2,5&#8243;, M.2 \u0438 mSATA Kingston UV500 \u0438 \u0434\u0432\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c NVMe \u2014 Kingston A1000 \u0438 Kingston KC2000;<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrKingstonSSD\">Kasutajate SSD-diskid<\/a><\/noindex>. Samad mudelid, mis eelnevas r\u00fchmas ja lisaks SATA SSD Kingston A400;<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrKingstonForCompanies\">Ettev\u00f5tete SSD-diskid<\/a><\/noindex>: UV500 ja KC2000;<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrForSystem\">Ettev\u00f5tte klassi SSD-diskid<\/a><\/noindex>. DC500 seeria kettad, mis sai selle \u00fclevaate peategelaseks. DC500 seeria jaguneb DC500R-iks (eelis lugemiseks, 0,5 DWPD) ja DC500M-iks (segakoormused, 1,3 DWPD). <\/li>\n<\/ul>\n<p>\nTruesystems'i testis olid Kingston DC500R 960 GB mahutavusega ja Kingston DC500M 1920 GB m\u00e4luga. Vaatame nende omadusi uuesti:<\/p>\n<p><b>Kingston DC500R<\/b><\/p>\n<ul>\n<li>Mahutavus: 480, 960, 1920, 3840 GB<\/li>\n<li>\u0424\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440: 2,5&#8243;, \u0432\u044b\u0441\u043e\u0442\u0430 7 \u043c\u043c<\/li>\n<li>Liides: SATA 3.0, 6 Gbit\/s<\/li>\n<li>Tehnilised n\u00e4itajad (960 GB mudeli jaoks)<\/li>\n<li>J\u00f5udlus: j\u00e4rjestikune lugemine \u2014 555 MB\/s, kirjutamine \u2014 525 MB\/s<\/li>\n<li>Juhuslik ligip\u00e4\u00e4s (4 KB plokk): lugemine \u2014 98\u2009000 IOPS, kirjutamine \u2014 20\u2009000 IOPS<\/li>\n<li>QoS viivitused (4 KB plokk, QD=1, 99,9% protsentiil): lugemine \u2014 500 \u00b5s, kirjutamine \u2014 2 ms<\/li>\n<li>Simuleeritud sektorite suurus: 512 baiti (loogiline\/f\u00fc\u00fcsiline)<\/li>\n<li>Kestvus: 0,5 DWPD<\/li>\n<li>Garantii: 5 aastat<\/li>\n<\/ul>\n<p>\n<b>Kingston DC500M<\/b><\/p>\n<ul>\n<li>Mahutavus: 480, 960, 1920, 3840 GB<\/li>\n<li>\u0424\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440: 2,5&#8243;, \u0432\u044b\u0441\u043e\u0442\u0430 7 \u043c\u043c<\/li>\n<li>Liides: SATA 3.0, 6 Gbit\/s<\/li>\n<li>Tehnilised n\u00e4itajad (1920 GB mudeli jaoks)<\/li>\n<li>J\u00f5udlus: j\u00e4rjestikune lugemine \u2014 555 MB\/s, kirjutamine \u2014 520 MB\/s<\/li>\n<li>Juhuslik ligip\u00e4\u00e4s (4 KB plokk): lugemine \u2014 98\u2009000 IOPS, kirjutamine \u2014 75\u2009000 IOPS<\/li>\n<li>QoS viivitused (4 KB plokk, QD=1, 99,9% protsentiil): lugemine \u2014 500 \u00b5s, kirjutamine \u2014 2 ms<\/li>\n<li>Simuleeritud sektorite suurus: 512 baiti (loogiline\/f\u00fc\u00fcsiline)<\/li>\n<li>Kestvus: 1,3 DWPD<\/li>\n<li>Garantii: 5 aastat<\/li>\n<\/ul>\n<p>\nTruesystems'i eksperdid m\u00e4rkisid, et Kingston'i m\u00e4lu seadmetes on QoS v\u00e4\u00e4rtused t\u00e4ieliku latentsuse osas m\u00e4\u00e4ratud maksimaalse 99,9. persentiiliga (99,9% k\u00f5igist v\u00e4\u00e4rtustest j\u00e4\u00e4b m\u00e4\u00e4ratud v\u00e4\u00e4rtusele alla). See on v\u00e4ga oluline n\u00e4itaja, eriti serveri andmem\u00e4lu jaoks, kuna need peavad olema prognoositavad, stabiilsed ja ilma ootamatute seisakuteta. Kui tead, millised QoS latentsused on salvesti spetsifikatsioonis m\u00e4rgitud, saad prognoosida selle toimimist, mis on v\u00e4ga mugav.<\/p>\n<h2>Testimise parameetrid<\/h2>\n<p>\nM\u00f5lemat m\u00e4lu seadet testiti testimisstandil, mis simuleeris serverit. Selle omadused:<\/p>\n<ul>\n<li>Intel Xeon E5-2620 V4 protsessor (8 tuuma, 2,1 GHz, HT aktiveeritud)<\/li>\n<li>32 GB m\u00e4lu<\/li>\n<li>Supermicro X10SRi-F emaplaat (1x socket R3, Intel C612)<\/li>\n<li>CentOS Linux 7.6.1810<\/li>\n<li>Koormuse genereerimiseks kasutati FIO versioon 3.14<\/li>\n<\/ul>\n<p>\nJa veel kord, milliseid SSD seadmeid testiti:<\/p>\n<ul>\n<li>Kingston DC500R 960 GB (SEDC500R960G)<\/li>\n<li>P\u00fcsivara: SCEKJ2.3<\/li>\n<li>Maht: 960\u2009197\u2009124\u2009096 bitti<\/li>\n<li>Kingston DC500M 1920 GB (SEDC500M1920G)<\/li>\n<li>P\u00fcsivara: SCEKJ2.3<\/li>\n<li>Maht: 1\u2009920\u2009383\u2009410\u2009176 bitti <\/li>\n<\/ul>\n<p><\/p>\n<h2>Testimismetoodika<\/h2>\n<p>\nAluseks oli populaarne testide kogum <noindex><a rel=\"nofollow\" href=\"http:\/\/www.snia.org\/tech_activities\/standards\/curr_standards\/pts\">SNIA Solid State Storage Performance Test Specification v2.0.1<\/a><\/noindex>, kuid testijad tegid selles muudatusi, et koormused oleksid l\u00e4hemal 2019. aasta ettev\u00f5tte SSD-de tegelikule kasutusele. Iga testi kirjelduses toome v\u00e4lja, mis t\u00e4pselt oli muudetud ja miks.<\/p>\n<p><b>Sisendi ja v\u00e4ljundi operatsioonide test (IOPS)<\/b><\/p>\n<p>Sel testil m\u00f5\u00f5detakse sekundis teostatavate sisendi ja v\u00e4ljundi operatsioonide arvu erineva suurusega plokkide jaoks (1024 KB, 128 KB, 64 KB, 32 KB, 16 KB, 8 KB, 4 KB, 0,5 KB) ja juhusliku juurdep\u00e4\u00e4suga erineva lugemise ja kirjutamise suhtega (100\/0, 95\/5, 65\/35, 50\/50, 35\/65, 5\/95, 0\/100). Truesystems'i eksperdid kasutasid j\u00e4rgmisi testiparameetreid: 16 voogu s\u00fcgavuse j\u00e4rjekorraga 8. Samuti ei testitud plokki 0,5 KB (512 baiti), kuna selle suurus on liiga v\u00e4ike, et k\u00f5vaketastele t\u00f5siselt koormust anda.<\/p>\n<p><b>Kingston DC500R IOPS testi tulemused<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/2b169fc3c4f518cd2fec7aedabb9e9ff.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTabelandmed:<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/06adda8710c58aac284d1df263a828bc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Kingston DC500M IOPS testi tulemused<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/aaeb74ed5750163a845aa78241ab689b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTabelandmed:<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/36e5235ca499073e28fdbdf39b8dda98.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nIOPS-i test ei h\u00f5lma saturatsiooni re\u017eiimi, seega l\u00e4bib see testi \u00fcsna kergesti. M\u00f5lemad m\u00e4luseadmed toimisid suurep\u00e4raselt, vastates t\u00e4ielikult tootja spetsifikatsioonidele. Katseobjektid n\u00e4itasid suurep\u00e4rast j\u00f5udlust 4 KB plokkide kirjutamisel: 70 ja 88 tuhat IOPS-i. See on suurep\u00e4rane, eriti lugemise orientatsiooniga Kingston DC500R jaoks. Mis puutub lugemisoperatsioonidesse, siis need SSD-d \u00fcletavad mitte ainult oma tehase v\u00e4\u00e4rtuseid, vaid l\u00e4hevad ka \u00fcldiselt SATA-liidese maksimaalsele j\u00f5udlusele l\u00e4hemale.<\/p>\n<p><b>L\u00e4bivoolu testi<\/b><\/p>\n<p>Selles testis uuritakse j\u00e4rjestikuse ligip\u00e4\u00e4su l\u00e4bilaskev\u00f5imet. See t\u00e4hendab, et m\u00f5lemad SSD-d teevad j\u00e4rjestiku lugemise ja kirjutamise operatsioone 1 MB ja 128 KB plokkidega. 8 voogu s\u00fcgavuse j\u00e4rjekorraga 16 iga voogu.<\/p>\n<p><b>Kingston DC500R:<\/b><\/p>\n<ul>\n<li>128 KB j\u00e4rjestikune lugemine: 539,81 MB\/s<\/li>\n<li>128 KB j\u00e4rjestikune kirjutamine: 416,16 MB\/s<\/li>\n<li>1 MB j\u00e4rjestikune lugemine: 539,98 MB\/s<\/li>\n<li>1 MB j\u00e4rjestikune kirjutamine: 425,18 MB\/s<\/li>\n<\/ul>\n<p>\n<b>Kingston DC500M:<\/b><\/p>\n<ul>\n<li>128 KB j\u00e4rjestikune lugemine: 539,27 MB\/s<\/li>\n<li>128 KB j\u00e4rjestikune kirjutamine: 518,97 MB\/s<\/li>\n<li>1 MB j\u00e4rjestikune lugemine: 539,44 MB\/s<\/li>\n<li>1 MB j\u00e4rjestelm\u00f6\u00f6ne kirjutamine: 518,48 MB\/s<\/li>\n<\/ul>\n<p>\nSiin n\u00e4eme samuti, et SSD j\u00e4rjestikuse lugemise kiirus on j\u00f5udnud SATA 3 liidese l\u00e4vendini. Kingston'i salvestites pole j\u00e4rjestikuse lugemisega seotud probleeme ilmnenud.<\/p>\n<p>J\u00e4rjestikune kirjutamine j\u00e4\u00e4b veidi maha, mida n\u00e4itab eriti h\u00e4sti Kingston DC500R, mis kuulub lugemisintensiivsete mudelite klassi. Seet\u00f5ttu n\u00e4itas Kingston DC500R selle testi osas tulemusi, mis olid isegi madalamad kui reklaamitud. Kuid Truesystems'i eksperdid usuvad, et salvesti, mis ei ole m\u00f5eldud sellisteks koormusteks (meenutame, et DC500R eluiga on 0,5 DWPD), v\u00f5iks 400 MB\/s \u00fcle vaadata heaks tulemuseks.<\/p>\n<h2>Viivituse test<\/h2>\n<p>\nNagu juba mainitud, on see ettev\u00f5tte salvestusseadmete jaoks \u00e4\u00e4rmiselt t\u00e4htis test. Selle alusel saab kindlaks teha, millised probleemid v\u00f5ivad ilmneda SSD-diskide pikaajalise igap\u00e4evase kasutamise k\u00e4igus. SNIA PTS standardtestis m\u00f5\u00f5detakse erinevate plokkide suuruste (8 KB, 4 KB, 0,5 KB) ja lugemise\/kirjutamise suhete (100\/0, 65\/35, 0\/100) keskmist ja maksimaalset latentsusaega minimaalse s\u00fcgavuse j\u00e4rjekorras (1 voog QD=1). Siiski otsustas Truesystems selle t\u00f5siselt t\u00e4iustada, et saavutada realistlikumad v\u00e4\u00e4rtused:<\/p>\n<ul>\n<li>0,5 KB plokk on v\u00e4lja j\u00e4etud;<\/li>\n<li>\u00dche vooga koormuse asemel, kus j\u00e4rjekorrad on 1 ja 32, varieerub voogude arv (1, 2, 4) ja j\u00e4rjekorra s\u00fcgavus (1, 2, 4, 8, 16, 32);<\/li>\n<li>65\/35 suhte asemel kasutatakse 70\/30, kuna see on realistlikum;<\/li>\n<li>Esitletakse mitte ainult keskmiseid ja maksimaalseid v\u00e4\u00e4rtusi, vaid ka protsentiile 99%, 99,9%;<\/li>\n<li>Valitud voogude arvu jaoks koostatakse graafikud latentsuse (99%, 99,9% ja keskmine v\u00e4\u00e4rtus) s\u00f5ltuvusest IOPS-ist k\u00f5igi plokkide ja lugemise\/kirjutamise suhete puhul.<\/li>\n<\/ul>\n<p>\nAndmed keskmistati nelja 25 seansist, iga kestvus 35 sekundit (5 'soojendust' + 30-sekundiline koormus). Truesystems valis graafikute jaoks seeria v\u00e4\u00e4rtusi, mille j\u00e4rjekorra s\u00fcgavus oli 1 kuni 32 1\u20134 voogudes. See tehti, et hinnata andmekandjate t\u00f6\u00f6v\u00f5imet viivituse arvestamisega, st v\u00f5imalikult realistlikku n\u00e4itajat.<\/p>\n<p><b>Keskmise viivituse n\u00e4itajad:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/fe81e9f1a5ba9aba29a1dc173f3b51ff.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSee graafik illustreerib selgelt erinevust mudelite DC500R ja DC500M vahel. Kingston DC500R on loodud intensiivseteks lugemisoperatsioonideks, mist\u00f5ttu kirjaoperatsioonide arv praktiliselt ei suurene koormuse t\u00f5usuga, j\u00e4\u00e4des 25 000 tasemele. <br \/>\nKui vaadata segakoormust (70% kirjutamist ja 30% lugemist), j\u00e4\u00e4b erinevus DC500R ja DC500M vahel samuti m\u00e4rgatavaks. Kui v\u00f5tta koormus, mis vastab 400 mikrosekundi viivitusele, on n\u00e4ha, et universaalne DC500M on kolm korda rohkem tootlik. See on ka t\u00e4iesti loogiline ja tuleneb andmekandjate omadustest.<br \/>\nHuvi pakkuv detail on see, et DC500M \u00fcletab DC500R isegi 100%-lise lugemise korral, tagades v\u00e4iksema viivituse sama IOPS-i arvu juures. Erinevus on v\u00e4ike, kuid v\u00e4ga huvitav.<\/p>\n<p><b>99%-percenti viivitus:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/af5df1ef51a743dfc3325cdf9c962d38.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n99.9%-percenti viivitus:<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/c361c07b7ffba1c1793466ceb0b84473.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNende graafikute p\u00f5hjal kontrollis Truesystems eksperdid v\u00e4idetud QoS viivituse omaduste t\u00f5ep\u00e4rasust. Spetsifikatsioonides oli n\u00e4idatud 0,5 ms lugemise ja 2 ms kirjutamise v\u00e4\u00e4rtused 4 KB ploki jaoks, kui j\u00e4rjekorra s\u00fcgavus on 1. Meil on hea meel teatada, et need numbrid on kinnitust leidnud, veelgi suurema varuga. Huvitav on, et minimaalne lugemise viivitus (280\u2013290 \u00b5s DC500R jaoks ja 250\u2013260 \u00b5s DC500M jaoks) saavutatakse mitte QD=1, vaid 2\u20134 puhul. <br \/>\nKirjutamise viivitus QD=1 puhul oli 50 \u00b5s (nii madal viivitus saavutatakse t\u00e4nu sellele, et madala koormuse korral j\u00f5uab m\u00e4lukaardilt kahtlemata cache vabastada, ja me n\u00e4eme alati viivitust kirjutamisel cache'i). See n\u00e4itaja on 40 korda madalam kui v\u00e4idetud v\u00e4\u00e4rtus!<\/p>\n<p><b>Pideva tootlikkuse test<\/b><\/p>\n<p>Teine \u00e4\u00e4rmiselt realistlik test, kus uuritakse j\u00f5udluse muutusi (IOPS ja latentsus) pikaajalise intensiivse t\u00f6\u00f6 ajal. T\u00f6\u00f6stsenaariumiks on valitud juhuslik kirjutamine 4 KB plokkides 600 minuti jooksul. Testi m\u00f5te on see, et sellise koormuse korral siseneb SSD-disk k\u00fcllastumise faasi, kui kontroller tegeleb pidevalt pr\u00fcgikoristamisega, et valmistada ette vabad kirjutamiseks m\u00e4lublokid. See t\u00e4hendab, et tegemist on \u00e4\u00e4rmiselt kurnava re\u017eiimiga \u2014 just sellise koormusega puutub kokku ettev\u00f5tte kvaliteediga SSD, mis asub reaalses serveris.<\/p>\n<p>Testi tulemuste kohaselt saavutas Truesystems j\u00e4rgmised j\u00f5udlusn\u00e4itajad:<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/307620d09419305aee0caf4b894da9b3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSelle testi osa p\u00f5hialused: nii Kingston DC500R kui ka Kingston DC500M \u00fcletavad reaalses t\u00f6\u00f6s oma tootmisstandardeid. Kui ettevalmistatud plokid l\u00f5ppevad, siseneb s\u00fcsteem k\u00fcllastumisre\u017eiimi, kus Kingston DC500R hoiab taset 22 000 IOPS (20 000 IOPS asemel). Kingston DC500M j\u00e4\u00e4b vahemikku 77-78 000, kuigi kettaprofiilis on v\u00e4lja kuulutatud 75 000 IOPS. Samuti on selles testis selgesti n\u00e4ha erinevust kettadest: kui kettaprotsessis eeldatakse suurt kirjutamise operatsioonide osakaalu, osutub Kingston DC500M enam kui kolm korda t\u00f5husamaks (samuti tuleb meeles pidada, et lugemise operatsioonides n\u00e4itas DC500M paremusi viivituste osas).<\/p>\n<p>J\u00e4tkuvate kirjutamisoperatsioonide viivitused on esitatud j\u00e4rgmisel graafikul. Mediaan, 99%, 99,9% ja 99,99% kiirusest.<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/9a9de9c89358c7220673b2883af0ba2c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00e4eme, et m\u00f5lema salvesti latentsus kasvab proportsionaalselt j\u00f5udluse langusega, ilma j\u00e4rskude languste ja seletamatute tipudeta. See on v\u00e4ga hea, kuna ennustatavust oodataksegi ettev\u00f5tte salvestitelt. Truesystems eksperdid r\u00f5hutavad, et testimine toimus 8 l\u00f5ngaga, iga\u00fche j\u00e4rjekorra s\u00fcgavus 16, seega on t\u00e4htsad mitte absoluutv\u00e4\u00e4rtused, vaid d\u00fcnaamika. Kui nad testisid DC400, siis selle testi k\u00e4igus esines tugevaid latentsusi juhtimisseadme t\u00f5ttu, kuid sellel graafikul ei esine selliseid probleeme Kingston DC500R ja Kingston DC500M-ga.<\/p>\n<p><b>Latentsuse jaotus koormuse all<\/b><\/p>\n<p>Bonusena testis Truesystems Kingston DC500R ja Kingston DC500M l\u00e4bi lihtsustatud testi nr 13 SNIA SSS PTS 2.0.1 spetsifikatsioonist. Uuriti latentsuse jaotust koormuse all spetsiaalse CBW mustriga:<\/p>\n<p><b>Blokksuurused:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/ae55c5e0f5d28b655f25ace54f3b2fa9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSalvesti mahu j\u00e4rgi jaotatud koormus:<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/c4120f1d05e64ea73a613f56e051441f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLugemise\/kirjutamise suhe: 60\/40%.<\/p>\n<p>P\u00e4rast turvalist kustutamist ja eelnevat koormust k\u00e4ivitasid testijad 10 60-sekundilist vooru p\u00f5hikatse jaoks, kasutades 1\u20134 keermet ja 1\u201332 j\u00e4rjekorra s\u00fcgavust. Tulemuste p\u00f5hjal koostati histogramm, mis n\u00e4itab voorude keskmise tootlikkuse (IOPS) v\u00e4\u00e4rtusi. M\u00f5lema m\u00e4luseadmest saavutati see \u00fche keermega, j\u00e4rjekorra s\u00fcgavusega 4.<\/p>\n<p>L\u00f5pptulemusena saadi j\u00e4rgmised v\u00e4\u00e4rtused:<br \/>\nDC500R: 17949 IOPS viivitusega 594 \u00b5s<br \/>\nDC500M: 18880 IOPS viivitusega 448 \u00b5s.<\/p>\n<p>Viivituste jaotust anal\u00fc\u00fcsiti eraldi lugemise ja kirjutamise jaoks.<\/p>\n<p><img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/8fa6a125db5846ee9eee20809d786e98.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/14e8017cddf158d912617c71ce059999.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/953dd76e6528f3235ddc2575b220580e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Teie soove arvestades: Kingston DC500R ja DC500M SSD-diskide professionaalne testimine\" src=\"\/wp-content\/uploads\/2019\/10\/fac22aab2b69e587c7cb884b7fb598c9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Kokkuv\u00f5te<\/h2>\n<p>\nTruesystems j\u00f5udis j\u00e4reldusele, et Kingston DC500R ja Kingston DC500M testitulemusi v\u00f5ib kindlasti pidada headeks. Kingston DC500R t\u00e4idab lugemisoperatsioone v\u00e4ga h\u00e4sti ja seda v\u00f5ib soovitada professionaalseks kasutamiseks vastavate \u00fclesannete jaoks. Segakoormuste ja suurema ressurssi vajaduse korral soovitab Truesystems Kingston DC500M. Samuti m\u00e4rgib v\u00e4ljaanne, et k\u00f5ikide Kingston ettev\u00f5tte salvestusseadmete mudelite hinnad on atraktiivsed ja tunnustab, et \u00fcleminek TLC 3D-NAND tehnoloogiale on t\u00f5eliselt aidanud hinda alandada, kvaliteedis j\u00e4releandmisi tegemata. Lisaks meeldisid Truesystems ekspertidele Kingston'i k\u00f5rge taseme tehniline tugi ning viieaastane garantii DC500 seeria salvestusseadmetele.<\/p>\n<p>P.S. Tuletame meelde, et <noindex><a rel=\"nofollow\" href=\"https:\/\/www.truesystem.ru\/review\/423689\/\">originaali arvustuse saab lugeda Truesystems veebisaidilt<\/a><\/noindex>.<\/p>\n<p>Lisainfot Kingston Technology toodete kohta leiate <noindex><a rel=\"nofollow\" href=\"https:\/\/kings.tn\/HabrTruesystemKingston\">ettev\u00f5tte veebisaidilt<\/a><\/noindex>.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/kingston_technology\/blog\/471942\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b \u043f\u0440\u043e\u0441\u0438\u043b\u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0448\u0438\u0445 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0438 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b. \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044e \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u043d\u0430\u0448\u0438\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 Kingston DC500R \u0438 DC500M \u043e\u0442 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u0430\u0440\u0442\u043d\u0435\u0440\u0430 Truesystems. \u042d\u043a\u0441\u043f\u0435\u0440\u0442\u044b Truesystems \u0441\u043e\u0431\u0440\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u0438 \u044d\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0442\u0432\u0435\u0440\u0434\u043e\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0435\u043c, \u0447\u0442\u043e \u0443 \u043d\u0438\u0445 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c! \u041c\u043e\u0434\u0435\u043b\u044c\u043d\u0430\u044f \u043b\u0438\u043d\u0435\u0439\u043a\u0430 Kingston 2019 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29338,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-39097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u044b \u043f\u0440\u043e\u0441\u0438\u043b\u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0448\u0438\u0445 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0438 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b. \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044e \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u043d\u0430\u0448\u0438\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 Kingston DC500R \u0438 DC500M \u043e\u0442 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u0430\u0440\u0442\u043d\u0435\u0440\u0430 Truesystems. \u042d\u043a\u0441\u043f\u0435\u0440\u0442\u044b Truesystems \u0441\u043e\u0431\u0440\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u0438 \u044d\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0442\u0432\u0435\u0440\u0434\u043e\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0435\u043c, \u0447\u0442\u043e \u0443 \u043d\u0438\u0445 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c! \u041c\u043e\u0434\u0435\u043b\u044c\u043d\u0430\u044f \u043b\u0438\u043d\u0435\u0439\u043a\u0430 Kingston 2019\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/po-vashim-zayavkam-professionalnyj-test-ssd-nakopitelej-kingston-dc500r-i-dc500m\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041f\u043e \u0432\u0430\u0448\u0438\u043c \u0437\u0430\u044f\u0432\u043a\u0430\u043c: \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0442\u0435\u0441\u0442 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 Kingston DC500R \u0438 DC500M | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412\u044b \u043f\u0440\u043e\u0441\u0438\u043b\u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0448\u0438\u0445 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0438 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b. \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044e \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u043e\u0431\u0437\u043e\u0440 \u043d\u0430\u0448\u0438\u0445 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 Kingston DC500R \u0438 DC500M \u043e\u0442 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u0430\u0440\u0442\u043d\u0435\u0440\u0430 Truesystems. \u042d\u043a\u0441\u043f\u0435\u0440\u0442\u044b Truesystems \u0441\u043e\u0431\u0440\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u0438 \u044d\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u0430\u0434\u0430\u0447\u0438, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0442\u0432\u0435\u0440\u0434\u043e\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0435\u043c, \u0447\u0442\u043e \u0443 \u043d\u0438\u0445 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c! 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Esitleme teile p\u00f5hjalikku \u00fclevaadet meie Kingston DC500R ja DC500M SSD-draividest meie partnerilt Truesystems. Truesystems'i eksperdid koostasid reaalse serveri ja emuleerisid t\u00e4iesti reaalsetes olukordades, millega silmitsi seisavad k\u00f5ik ettev\u00f5tte klassi tahkisplaadid. Vaatame, mida nad saavutasid! 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