UKingston usanda kukhupha ishishini le-SSD , eyenzelwe imithwalo ephezulu rhoqo. Ngoku iintatheli ezininzi zivavanya imveliso entsha kwaye zivelisa izinto ezinomdla. Singathanda ukwabelana noHabr enye yophononongo lwethu oluneenkcukacha lweKingston DC500R, abafundi abaya kukonwabela ukuvavanywa. Eyokuqala ikwiwebhusayithi kwaye yapapashwa ngesiNgesi. Ukuze kube lula kuwe, siguqule izinto eziphathekayo kwisiRashiya kwaye sibeke phantsi kokusikwa. Konwabele ukufunda!
Izixhobo zokugcina yenziwe ngokusekelwe kwiteknoloji yememori ye-3D TLC NAND flash. Ifumaneka kwi-480GB, 960GB, 1,92TB kunye ne-3,84TB, ibonelela ngokhetho olongezelelweyo kumashishini ajonge ukonga imali okanye abo bangafuniyo iidrive zomthamo ophezulu. Olu hlaziyo lujolise kwi-3,48 ye-TB eyahlukileyo, eye yabanga isantya sokufunda nokubhala ngokulandelelana kwe-555 MB / s kunye ne-520 MB / s, ngokulandelanayo, kunye ne-4 KB ibhloko yokufunda nokubhala isantya phantsi kwemithwalo eqhubekayo ye-98 kunye ne-000 IOPS -imveliso ngomzuzwana. (IOPS), ngokulandelelanayo. Njengenxalenye yolu sapho lwemveliso, iKingston ikwabonelela nge-DC28M, elungiselelwe usetyenziso oluxubeneyo.
Kingston DC500R Iinkcukacha
Imveliso
U vavanya
Inkqubo yayisetyenziselwa ukuvavanya ii-SSD zeshishini kunye nezicelo zehlabathi zangempela. , kunye novavanyo lokwenziwa - . I-ThinkSystem SR850 liqonga eliphuculweyo le-quad-core elinikezela ngamandla okusebenza ngakumbi kunokuba kufuneka ukuvavanya ukusebenza okuphezulu kwendawo yokugcina. Kwiimvavanyo zokwenziwa, apho ubunakho be-CPU bungabalulekanga kangako, kwasetyenziswa iseva yemveli eneeprosesa ezimbini. Kuzo zombini ezi meko, besinethemba lokuzuza ugcino lwasekuhlaleni oluhambelana namabango omenzi.
ILenovo ThinkSystem SR850
- Iiprosesa ze-Intel Platinum 4 (8160 GHz, 2,1 cores)
- I-16 DDR4 ECC iimodyuli zememori ye-DRAM kunye ne-frequency ye-2666 MHz kunye nomthamo we-32 GB nganye.
- 2 RAID 930-8i 12 Gbps adapters
- 8 NVMe drives
- VMware ESXI 6.5 software
I-Dell PowerEdge R740xd
- 2 Intel Gold 6130 abaqhubekisi (2,1 GHz, 16 cores)
- I-4 DDR4 ECC iimodyuli zememori ye-DRAM kunye ne-frequency ye-2666 MHz kunye nomthamo we-16 GB nganye.
- Iadaptha yeRAID PERC 730, 12 Gbps, 2 GB buffer
- Iadaptha ye-NVMe elungisiweyo
- OS Ubuntu-16.04.3-desktop-amd64
Ulwazi loVavanyo
ibonelela ngamathuba amaninzi okuvavanya izixhobo zokugcina kwindawo ekufutshane neemeko zehlabathi langempela. Ilabhoratri ibandakanya iiseva ezahlukeneyo, izixhobo zenethiwekhi, iinkqubo zamandla kunye nezinye iziseko zothungelwano. Oku kuvumela abasebenzi bethu ukuba benze iimeko zokwenyani zokuvavanya ngokuchanekileyo ukusebenza kwezixhobo.
Indalo kunye nolwazi lweprothokholi lubandakanyiwe kuphononongo ukuze i-IT kunye namagosa okuthengwa kwempahla yokugcina akwazi ukuvavanya iimeko apho iziphumo zifunyenwe khona. Abavelisi bezixhobo eziphantsi kovavanyo abahlawuleli okanye balawule ukuphononongwa.
Uhlalutyo loMsebenzi weSicelo
Ukuvavanya ngokufanelekileyo ukusebenza kwesixhobo sogcino lweshishini, kubalulekile ukwenza imodeli yakho yeziseko zophuhliso kunye nomthwalo womsebenzi wesicelo ukuhambelana nemeko yakho yehlabathi yokwenyani. Ke ngoko, ukuvavanya ii-Samsung 883 DCT SSD, silinganise и usebenzisa i-TCP-C yokulinganisa umthwalo womsebenzi. Kule meko, kwizicelo, idrayivu nganye iya kusingatha i-2 ukuya kwi-4 eqwalaselwe ngokufana noomatshini benyani.
Ukusebenza kweseva yeSQL
Umatshini ngamnye we-SQL Server wenyani uqwalaselwe ngeediski ezimbini ezinenyani: idiski yokuqalisa i-100 GB kunye nediski eyi-500 ye-GB yokugcina idatabase kunye neefayile zelog. Ngokubhekiselele kwimithombo yenkqubo, umatshini ngamnye obonakalayo uxhotyiswe ngeeprosesa ze-16, i-64 GB ye-DRAM, kunye nomlawuli we-SAS SCSI ovela kwi-LSI Logic. Ngaphambili siye savavanya ukusebenza kwe-I/O kunye nokusebenza kakuhle kogcino sisebenzisa umthwalo weSysbench. Iimvavanyo zeSQL, nazo, zinceda ukuqikelela ukubambezeleka.
Njengenxalenye yovavanyo, i-SQL Server 2014 isasazwa koomatshini abaqhelekileyo beendwendwe abasebenzisa iWindows Server 2012 R2. Imithwalo yenziwa kusetyenziswa iBenchmark Factory yeeDatha zesoftware evela kuQuest. I-StorageReview isebenzisa inguqulelo yangoku ye-software ye-Benchmark C (TPC-C) yeBhunga lokuSebenza kweNtengiselwano. Le benchmark yokusebenza kwentengiselwano yexesha lokwenyani ilinganisa iinkqubo zemeko yesicelo esinzima. Uvavanyo lwe-TPC-C lunokuchonga ngokuchanekileyo ngakumbi amandla kunye nobuthathaka beziseko zogcino lweziseko zogcino-lwazi kwiindawo zogcino-lwazi kunokuvavanya ukusebenza kokwenziwa. Kuvavanyo lwethu, umzekelo ngamnye we-SQL Server VM uqhube i-333 GB (i-1500 isikali) isiseko sedatha ye-SQL Server. Imilinganiselo yokusebenza kunye ne-latency processing processing yenziwa phantsi komthwalo wabasebenzisi be-15000.
Uqwalaselo lovavanyo lweseva yeSQL (ngeVM nganye):
• I-Windows Server 2012 R2
• Indawo yeDiskhi: I-600 GB eyabelwe, i-500 GB isetyenzisiwe
• Iseva yeSQL ka-2014
- Ubungakanani bedatha: isikali se-1
- Inani labathengi benyani: 15
-Isikhuseli sememori ye-RAM: 48 GB
• Ubude bexesha lovavanyo: iiyure ezi-3
- 2,5 iiyure - isigaba sokuqala
- 30 imizuzu - uvavanyo oluthe ngqo
Ngokusekwe kwintsebenzo yetransaction ye-SQL Server, i-Kingston DC500R yayisemva kancinane kuphela kwe-Samsung 883 DCT, kunye nentsebenzo epheleleyo ye-6290,6 yentengiselwano ngesekhondi (TPS).
Eyona ndlela ingcono yokuvavanya ukusebenza kwe-SQL Server kune-TPS kukuvavanya amanqanaba okugcina ixesha. Apha, zombini drives - Samsung 860 DCT kunye Kingston DC500R - wabonisa ngexesha elifanayo: 26,5 ms.
Ukusebenza xa usebenzisa iSysbench
Olu vavanyo lulandelayo lusebenzise uvimba weenkcukacha . Ukusebenza kwe-OLTP kwavavanywa kusetyenziswa into eluncedo ye-SysBench. Oku kulinganisa umyinge we-TPS kunye ne-latency, kunye ne-latency ephakathi phantsi kwemeko embi kakhulu.
Umatshini ngamnye wenyani Ndasebenzisa iidiski ezintathu ezibonakalayo: i-boot disk enomthamo malunga ne-92 GB, idisk ene-database efakwe ngaphambili kunye nomthamo malunga ne-447 GB, kunye nediski ene-database yokuvavanya enomthamo we-270 GB. Ngokubhekiselele kwimithombo yenkqubo, umatshini ngamnye wenyani wayexhotyiswe ngeeprosesa ze-16, i-60 GB ye-DRAM, kunye nomlawuli we-SAS SCSI ovela kwi-LSI Logic.
Uqwalaselo lovavanyo lweSysbench (ngeVM nganye):
• I-CentOS 6.3 64-bit
• I-Percona XtraDB 5.5.30-rel30.1
- Inani leetafile zedatha: 100
- Ubungakanani bedatha: 10
- Inani lemisonto yedatha: 32
-Isikhuseli sememori ye-RAM: 24 GB
• Ubude bexesha lovavanyo: iiyure ezi-3
- iiyure ezi-2 - isigaba sokuqala, imilambo engama-32
- Iyure ye-1 - uvavanyo oluthe ngqo, iintambo ze-32
Ibenchmark yentsebenzo ye-transaction process ye-Sysbench ibeka i-DC500R ngasemva kokhuphiswano kunye ne-1680,47 yentengiselwano ngomzuzwana.
Ngokumalunga ne-latency ephakathi, i-DC500R iphinde yabeka indawo yokugqibela kunye ne-76,2 ms.
Ekugqibeleni, emva kokuvavanya i-latency phantsi kwemeko embi kakhulu (i-99th percentile), i-DC500R iphinde ibe ngaphantsi kwoluhlu ngamanqaku e-134,9ms.
Uhlalutyo loMsebenzi we-VDBench
Xa kuhlolwa izixhobo zokugcina, uvavanyo olusekelwe kwisicelo lukhethwa ngaphezu kweemvavanyo zokwenziwa. Nangona kunjalo, nangona iziphumo zabo zingahambelani neemeko zehlabathi langempela, iimvavanyo zokwenziwa, ngenxa yokuphindaphinda imisebenzi, ziluncedo ekusekeni iziseko kunye nokuthelekisa izisombululo ezikhuphisanayo. Uvavanyo olunjalo lubonelela ngoluhlu olubanzi lweeprofayili - ukusuka kuvavanyo lweekona ezine kunye novavanyo oluqhelekileyo lokufuduka kwesiseko sedatha ukuya kulandelelwaniso lokubanjwa kwiindawo ezahlukeneyo zeVDI. Zonke ezi zisebenzisa i-jenereyitha yomthwalo we-vdBench enye kunye ne-injini yeskripthi ukuze izenzele kwaye idibanise iziphumo kwiqela elikhulu leemvavanyo zekhompyutha. Oku kwenza kube nokwenzeka ukusebenzisa umthwalo womsebenzi ofanayo kuluhlu olubanzi lweedrive, kubandakanywa zonke ii-arrays zeflash kunye needrive ezizimeleyo. Njengenxalenye yovavanyo, sazalisa ngokupheleleyo iidrives ngedatha, kwaye emva koko sahlulahlulwe kumacandelo anomthamo we-25% yeyokuqala ukulinganisa imithwalo yesicelo kunye nokuvavanya ukuziphatha kwe-drive. Le ndlela ihluke kwiimvavanyo ezipheleleyo ze-entropy, ezisebenzisa idiski yonke kanye phantsi kwemithwalo eqhubekayo. Ngesi sizathu, ezi ziphumo zilandelayo zibonisa izantya zokubhala ezizinzile.
Iiprofayili:
• 4 KB ukufunda random: funda kuphela, 128 imisonto, 0 ukuya 120% I/O isantya
• 4KB random bhala: bhala kuphela, 64 imisonto, 0 ukuba 120% I/O isantya
• 64KB ngokulandelelana ukufunda: funda kuphela, 128 imisonto, 0 ukuya 120% I/O isantya
• 64KB ngokulandelelana bhala: bhala kuphela, 64 imisonto, 0 ukuya 120% I/O isantya
• Oovimba beenkcukacha be-Synthetic: SQL kunye ne-Oracle
• Ikopi ye-VDI (ikopi epheleleyo kunye neekopi eziqhagamshelweyo)
Kwi-VDBench yokuqala (4KB Random Read) uvavanyo lomsebenzi, i-Kingston DC500R yazisa iziphumo ezikhangayo, kunye ne-latency ngaphakathi kwe-1 ms ukuya kwi-80 IOPS kunye nesantya esiphezulu se-000 IOPS kwi-80 ms latency.
Zonke iidrive ezivavanyiweyo zibonise iziphumo eziphantse zifane kuvavanyo lwesibini (4 KB Random Bhala): izantya ziphezulu kancinci kune-63 IOPS kunye ne-latency ye-000 ms.
Ukuqhubela phambili kumthwalo womsebenzi olandelelanayo, siqale sajonga ukufundwa kwe-64KB. Kule meko, i-Kingston drive igcine i-sub-millisecond latency ide ifike kwi-5200 IOPS (325 MB / s). Izinga eliphezulu le-7183 IOPS (449 MB / s) kunye ne-latency ye-2,22 ms yazisa le drive kwindawo yesibini kwindawo yokuma.
Xa uvavanya imisebenzi yokubhala ngokulandelelana, isixhobo se-Kingston siphumelele bonke abakhuphisana nabo, sigcina i-latency ngaphantsi kwe-1 ms yonke indlela ukuya kwi-5700 IOPS (356 MB / s). Isantya esiphezulu sasiyi-6291 IOPS (395 MB / s) kunye ne-latency ye-2,51 ms.
Emva koko, siqhubele phambili kwimisebenzi ye-SQL, apho i-Kingston DC500R drive yayiyisixhobo kuphela apho amanqanaba e-latency ahamba ngaphaya kwe-millisecond kuzo zonke iimvavanyo ezintathu. Kwimeko yokuqala, idiski ibonise isantya esiphezulu se-26411 IOPS kunye ne-latency ye-1,2 ms.
Kuvavanyo lweSQL 90-10, i-Kingston drive yafika ekugqibeleni ngesantya esiphezulu se-27339 IOPS kunye ne-latency ye-1,17 ms.
Kwenzeka into efanayo kuvavanyo lweSQL 80-20. Isixhobo se-Kingston kule meko sibonise isantya esiphezulu se-29576 IOPS kunye ne-latency ye-1,08 ms.
Iziphumo zovavanyo lomthwalo we-Oracle ziphinde zabeka i-DC500R kwindawo yokugqibela, kodwa isixhobo sisabonisa ukubambezeleka kwe-sub-millisecond kwiimvavanyo ezimbini. Kwimeko yokuqala, isantya esiphezulu se-Kingston disk sasiyi-29098 IOPS kunye ne-latency ye-1,18 ms.
Kuvavanyo lwesibini (i-Oracle 90-10), i-DC500R iphumelele i-24555 IOPS nge-latency ye-894,3 µs.
Kuvavanyo lwesithathu (i-Oracle 80-20), isantya esiphezulu sesixhobo se-Kingston sasiyi-26401 IOPS enezinga le-latency ye-831,9 μs.
Emva koko siye sadlulela kwi-VDI yokukopa-ukwenza iikopi ezipheleleyo neziqhagamshelweyo. Ekuvavanyeni ukulayisha ikopi ye-VDI epheleleyo, i-Kingston drive yaphinda yasilela ukubetha abakhuphisana nabo. Isixhobo sigcine i-latency ngaphantsi kwe-1 ms ukuya kwisantya malunga ne-12000 IOPS, kwaye isantya esiphezulu sasiyi-16203 IOPS kunye ne-latency ye-2,14 ms.
Xa uvavanya ikopi yokuNgena kokuqala kweVDI, isixhobo seKingston senza ngcono, ekugqibeleni sagqiba (ngomda omncinci) kwindawo yesibini. I-drive igcine i-latency ngaphakathi kwe-millisecond ide ifikelele kwisantya se-11000 IOPS, kwaye isantya esiphezulu sasiyi-13652 IOPS kunye ne-latency ye-2,18 ms.
Kwakhona, ngomda omncinci, i-Kingston drive yathatha indawo yesibini kuvavanyo lokungena ngoMvulo kwikopi epheleleyo yeVDI. I-Seagate Nytro 1351 drive yayinesantya esiphezulu kancinci, kodwa isixhobo seKingston sabonisa amanqanaba asezantsi e-latency kulo lonke uvavanyo. Isantya esiphezulu se-DC500R sasiyi-11897 IOPS kunye ne-latency ye-1,31 ms.
Ekuvavanyeni ukulayisha iikopi ze-VDI ezidityanisiweyo, isixhobo se-Kingston sifike kwindawo yokugqibela. I-latency ihambe ngaphaya kwe-1 ms sele ikwisantya esingaphantsi kwe-6000 IOPS. Isantya esiphezulu se-DC500R sasiyi-7861 IOPS kunye ne-latency ye-2,03 ms.
Nangona kunjalo, ngokweziphumo zovavanyo lwe-Initial Login, i-drive yaphinda yathatha indawo yesibini: i-latency yahamba ngaphaya kwe-millisecond kuphela emva kokuba ifikelele ekusebenzeni okuphezulu, ekugqibeleni yafikelela kwi-7950 IOPS ene-latency ye-1,001 ms.
Kuvavanyo lwamva nje lwekopi edibeneyo ye-VDI - ukungena ngoMvulo - i-drive nayo ibonise umphumo wesibini: isantya esiphezulu se-9205 IOPS kunye ne-latency ye-1,72 ms. Ukulibaziseka kudlule ngaphaya kwe-millisecond xa isantya sifika kwi-6400 IOPS.
isiphelo
I-DC500R yi-SSD yaseKingston yamva nje eyenzelwe abasebenzisi beshishini. I-DC500R iza kwifom ye-2,5-intshi. Amandla akhoyo avela kwi-480 GB ukuya kwi-3,84 TB. I-drive isekelwe kwi-3D TLC NAND iteknoloji yememori ye-flash kwaye idibanisa isibonelelo eside kunye nenqanaba eliphezulu lokusebenza. Kwi-3,48 TB drive, isantya sokufunda nokubhala ngokulandelelana kwe-555 kunye ne-520 MB / s ichazwe, ngokulandelanayo, ukufunda nokubhala ngokukhawuleza phantsi kwemithwalo eqhubekayo ye-98000 kunye ne-28000 IOPS, ngokulandelanayo, kunye nomthamo wemithombo ye-3504 TBW.
Ukuvavanya ukusebenza kweKingston DC500R, siyithelekisa nezinye ii-SATA SSDs ezidumileyo, kubandakanya ii-Samsung drives. и , kunye nokugcinwa . I-Kington DC500R ikwazile ukuhambisana nabakhuphisana nayo, kwaye kwezinye iimeko ide ibadlule. Xa uvavanya imithwalo yemisebenzi yesicelo, i-Kingston DC500R yenza kakuhle xa icutshungulwa i-SQL imithwalo yemisebenzi, igqiba okwesibini ngokubanzi kwiintengiselwano ngesibini (6291,8 TPS) kunye ne-latency (26,5 ms). Kuvavanyo lwe-Sysbench lwemisebenzi enzima yokubhala, i-DC500R yangena ezantsi kwepakethe ngamanqaku okusebenza kwe-1680,5 TPS, i-latency ephakathi kwe-76,2 ms, kunye ne-134,9 ms.
Kwi-4KB yokuvavanya ukufunda nokubhala okungahleliwe, i-Kingston DC500R iphumelele i-80209 IOPS kunye ne-1,59 ms read latency, kunye ne-63000 IOPS kunye ne-2 ms ukubhala latency. Kwi-block ye-64KB yokuvavanya ukufunda nokubhala, i-DC500R iphumelele isantya se-7183 IOPS (449 MB / s) kunye ne-2,22 ms latency kunye ne-6291 IOPS (395 MB / s) kunye ne-2,51 ms latency, ngokulandelanayo. Kwiimvavanyo zokwenziwa kusetyenziswa i-SQL kunye ne-Oracle yogcino-lwazi kunye neemfuneko ezandisiweyo zesantya sokubhala, ukusebenza kwe-DC500R kushiye kufunwa kakhulu. Kwimithwalo yemisebenzi ye-SQL, i-Kingston DC500R ifike ifile ekugqibeleni kuzo zontathu iimvavanyo kwaye yayikuphela kwe-drive yokufezekisa i-sub-millisecond latency. Nangona kunjalo, ekuvavanyeni i-Oracle umfanekiso ubonakale ungcono kakhulu. Kwiimvavanyo ezimbini kwezithathu, i-drive igcine i-latency engaphantsi kwe-1 ms, eyayifumana indawo yesibini. I-Kingston DC500R ibonise amanqanaba afanelekileyo okusebenza xa ivavanywa kusetyenziswa iikopi ze-VDI, zombini zigcwele kwaye zidibene.
Ngokubanzi - isixhobo esikumgangatho ophezulu kwiklasi yayo esifanelwe ingqalelo esondeleyo. Kangangoba sibuthanda ubuchwephesha bokusebenza okuphezulu (i-NVMe kunye nezinye), iidrive ze-SATA zihlala zisisisombululo esikhethiweyo sokusetyenzwa kwemisebenzi apho ukuthembeka kubaluleke kakhulu, njengokubhuqa iseva okanye umlawuli wokugcina. Ezi drives zikwayisisombululo esineendleko zokugcina idatha yeseva kwiimeko apho ixabiso lemali libalulekile. Bakwabonelela ngazo zonke iinzuzo zeTCO ezibeka ii-SSD ngaphandle kwee-hard disk drives (HDDs). Ukusebenza kwe-DC500R kuyibeka phezulu kwiimvavanyo zethu ezininzi xa kuthelekiswa nezinye iidrive ezifanele ukuqwalaselwa. I-DC500R yi-SATA drive egqwesileyo yeemeko ezifuna ukuthembeka, ukuqhubela phambili kokusebenza okuphezulu kunye nokunyamezela okuphezulu kunye noluhlu olubanzi lwezakhono.
Iimodeli ze-DC500 zothotho ziyafumaneka ukuze ziodole kubathengisi baseKingston.
Ngemibuzo malunga nokuvavanya kunye nokuqinisekiswa, unokuqhagamshelana neofisi emele i-Kingston Technology eRashiya nge-imeyile [imeyile ikhuselwe]
Ukuze ufumane inkcazelo engakumbi malunga neemveliso Nceda undwendwele iwebhusayithi yenkampani.
umthombo: www.habr.com