Sannu duka! Kamar yadda aka yi alkawari, muna buga sakamakon gwajin lodin na'urar adana bayanai da aka yi a Rasha - AERODISK ENGINE N2.
A cikin labarin da ya gabata, mun karya tsarin ajiya (wato, mun yi gwajin haɗari) kuma sakamakon gwajin hadarin ya kasance tabbatacce (wato, ba mu karya tsarin ajiya ba). Kuna iya duba sakamakon gwajin hatsarin .
A cikin sharhin labarin da ya gabata, an yi buƙatun don ƙarin, ƙarin gwaje-gwajen haɗari. Mun rubuta su duka kuma ba shakka za mu aiwatar da su a cikin ɗayan labarai masu zuwa. A lokaci guda, zaku iya ziyartar dakin gwaje-gwajenmu a Moscow a kowane lokaci (ku zo da ƙafa ko yin ta nesa ta Intanet) kuma kuyi waɗannan gwaje-gwajen da kanku (har ma kuna iya yin gwaji don takamaiman aikin :-)). Rubuta mana, za mu yi la'akari da duk al'amura!
Bugu da ƙari, idan ba a cikin Moscow ba, har yanzu za ku iya fahimtar tsarin ajiyar mu ta hanyar halartar taron horo na kyauta a cibiyar ƙwarewa a cikin birni mafi kusa da ku.
A ƙasa akwai jerin abubuwan da ke tafe da kwanakin buɗe wuraren cancantar.
- Ekaterinburg. Mayu 16, 2019. Taron karawa juna sani. Kuna iya yin rajista ta hanyar haɗin yanar gizon:
- Ekaterinburg. Mayu 20 - Yuni 21, 2019. Cibiyar Kwarewa. Ku zo don nunin raye-raye na tsarin ajiya na AERODISK ENGINE N2 a kowane lokacin aiki. Za a samar da ainihin adireshin da mahaɗin rajista daga baya. Bi bayanin.
- Novosibirsk KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Oktoba 2019 - Kazan. KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Oktoba 2019 - Krasnoyarsk KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Nuwamba 2019
Muna kuma so mu raba wani ƙarin labari mai daɗi: a ƙarshe mun sami namu tashar da za ku iya kallon bidiyo daga abubuwan da suka faru a baya. Muna buga bidiyon horarwa akai-akai a can.
Gwajin tsayawa
Don haka, koma ga gwaje-gwaje. Mun haɓaka tsarin ma'ajiyar dakin gwaje-gwaje na ENGINE N2 ta hanyar shigar da ƙarin kayan aikin SAS SSD, da kuma adaftar Fiber Channel 16G na gaba. A cikin ma'auni, mun haɓaka uwar garken wanda daga ciki za mu gudanar da kaya ta ƙara FC 16G adaftan.
A sakamakon haka, a cikin dakin binciken mu muna da tsarin ajiya mai sarrafawa 2 tare da 24 SAS SSD 1,6 TB, 3 DWPD disks, wanda aka haɗa ta hanyar SAN ya sauya zuwa uwar garken Linux ta jiki ta FC 16G.
Ana nuna zanen benci na gwaji a cikin hoton da ke ƙasa.
Hanyar Gwaji
Don mafi kyawun aiki akan hanyar toshewa, za mu yi amfani da wuraren waha na DDP (Dynamic Disk Pool), wanda muka taɓa ƙirƙira musamman don tsarin ALL-FLASH.
Don gwaji, mun ƙirƙiri LUN guda biyu tare da ƙarfin 1 TB kowanne tare da matakin kariya na RAID-10. Za mu " yada" kowane LUN a cikin faifai 12 (24 a duka) don yin amfani da cikakkiyar damar kowane faifai da aka shigar a cikin tsarin ajiya.
Muna gabatar da LUNs zuwa uwar garken ta hanyar masu sarrafawa daban-daban don amfani da albarkatun ajiya gwargwadon yiwuwa.
Kowane ɗayan gwaje-gwajen zai ɗauki awa ɗaya, kuma shirin na Flexible IO (FIO) zai yi gwajin; za a loda bayanan FIO kai tsaye zuwa Excel, wanda aka riga aka gina jadawali don bayyanawa.
Load Bayanan martaba
Gabaɗaya, za mu yi gwaje-gwaje uku, sa'a ɗaya kowanne, ban da lokacin dumama, wanda za mu ware mintuna 15 (wannan shine ainihin adadin da ake buƙata don dumama tsararrun 24 SSD). Waɗannan gwaje-gwajen suna yin koyi da bayanan bayanan lodi da aka fi fuskantar akai-akai, musamman waɗannan su ne wasu DBMSs, tsarin sa ido na bidiyo, watsa abun ciki na kafofin watsa labarai da adanawa.
Hakanan, a cikin duk gwaje-gwaje, da gangan mun kashe ikon cache cikin RAM akan tsarin ajiya da kuma kan mai watsa shiri. Tabbas, wannan zai kara tsananta sakamakon, amma, a cikin ra'ayinmu, a cikin irin wannan yanayi gwajin zai fi dacewa.
Sakamakon gwaji
Gwaji Na 1. Bazuwar lodi a cikin ƙananan tubalan. Kwaikwayi DBMS na ma'amala mai nauyi.
- Girman toshe = 4k
- Karanta/Rubuta = 70%/30%
- Adadin ayyuka = 16
- Zurfin layi = 32
- Load hali = Cikakken bazuwar
Sakamakon gwaji:
Gabaɗaya, tare da ƙaramin ƙaramin injin N2 mun sami IOPS 438k tare da latency na 2,6 millise seconds. Idan akai la'akari da aji na tsarin, a ra'ayinmu, sakamakon yana da kyau sosai. Don fahimtar ko wannan shine iyaka ga tsarin, za mu dubi yadda ake amfani da albarkatun masu kula da ajiya.
Muna da sha'awar CPU da farko, tunda, kamar yadda aka bayyana a sama, da gangan mun kashe cache na RAM don kar mu karkatar da sakamakon gwajin.
A kan duka masu kula da ajiya muna ganin kusan hoto iri ɗaya.
Wato nauyin CPU shine 50%. Wannan yana nuna cewa wannan yayi nisa da iyakar wannan tsarin ajiya kuma har yanzu ana iya daidaita shi cikin sauƙi. Bari mu yi tsalle gaba kadan: duk waɗannan gwaje-gwajen kuma sun nuna nauyin da ke kan na'urori masu sarrafawa ya kasance kusan 50%, don haka ba za mu sake lissafa su ba.
Dangane da gwaje-gwajenmu na dakin gwaje-gwaje, iyakar kwanciyar hankali na tsarin AERODISK Engine N2, idan muka ƙidaya IOPS bazuwar a bulogi 4k, shine ~ 700 IOPS. Idan wannan bai isa ba kuma kuna buƙatar yin ƙoƙari don miliyan ɗaya, to muna da tsohuwar ƙirar ENGINE N000.
Wato labarin miliyoyin IOPS ENGINE N4 ne, idan kuma miliyan ya yi maka yawa to ka nutsu ka yi amfani da N2.
Mu koma ga gwaje-gwaje.
Gwaji Na 2. Rikodin jere a cikin manyan tubalan. Kwaikwayi tsarin sa ido na bidiyo, loda bayanai cikin DBMS na nazari ko yin rikodin kwafi.
A cikin wannan gwajin ba mu da sha'awar IOPS, tun da lokacin da aka ɗora su a cikin manyan tubalan ba su da ma'ana. Mu ne da farko sha'awar: da rubuta gudana (megabyte a sakan daya) da kuma jinkiri, wanda, ba shakka, zai zama mafi girma tare da manyan tubalan fiye da kananan.
- Girman toshe = 128k
- Karanta/Rubuta = 0%/100%
- Adadin ayyuka = 16
- Zurfin layi = 32
- Halin Load - Jeri
Jimlar: muna da rikodin gigabytes biyar da rabi a cikin daƙiƙa tare da jinkiri na millise seconds goma sha ɗaya. Idan aka kwatanta da mafi kusancin fafatawa a waje, sakamakon, a ra'ayinmu, yana da kyau, kuma ba shine iyaka na tsarin ENGINE N2 ba.
Gwaji Na 3. Karatun jeri a cikin manyan tubalan. Kwaikwayi abubuwan watsa shirye-shirye, samar da rahotanni daga DBMS na nazari ko maido da bayanai daga madogara.
Kamar yadda a cikin gwajin da ya gabata, muna sha'awar kwarara da jinkiri.
- Girman toshe = 128k
- Karanta/Rubuta = 100%/0%
- Adadin ayyuka = 16
- Zurfin layi = 32
- Halin Load - Jeri
Aikin karatun yawo yana iya hasashen dan kadan fiye da aikin rubutun yawo.
Abin sha'awa, alamar latency daidai yake a cikin gwajin (layi madaidaiciya). Wannan ba kuskure ba ne; lokacin karantawa a jere a cikin manyan tubalan, a cikin yanayinmu wannan lamari ne na kowa.
Tabbas, idan muka bar tsarin a cikin wannan nau'i na makonni biyu, za mu ga kullun lokaci-lokaci a cikin jadawali, wanda za a danganta shi da abubuwan waje. Amma, a gaba ɗaya, ba za su shafi hoton ba.
binciken
Daga tsarin dual-controller AERODISK ENGINE N2, mun sami damar cimma sakamako mai tsanani (~ 438 IOPS da ~ 000-5 gigabytes a sakan daya). Gwajin lodi ya nuna cewa tabbas ba ma jin kunyar tsarin ajiyar mu. Akasin haka, alamun suna da kyau sosai kuma sun dace da tsarin ajiya mai kyau.
Kodayake, kamar yadda muka rubuta a sama, Injin N2 ƙaramin samfurin ne, kuma baya ga haka, sakamakon da aka nuna a cikin wannan labarin ba iyakarsa bane. Daga baya za mu buga irin wannan gwajin daga tsohuwar tsarin ENGINE N4.
A zahiri, ba za mu iya rufe duk yuwuwar gwaje-gwaje a cikin tsarin labarin ɗaya ba, don haka muna sake yin kira ga masu karatu su raba buƙatunsu na gwaje-gwajen nan gaba a cikin sharhi; tabbas za mu yi la’akari da su a cikin wallafe-wallafen nan gaba.
Bugu da kari, muna tunatar da ku cewa a wannan shekara muna da rayayye tsunduma a horo, don haka muna gayyatar ku zuwa ga cancantar cibiyoyin, inda za ka iya sha horo a kan AERODISK ajiya tsarin, da kuma a lokaci guda samun ban sha'awa da kuma fun lokaci.
Ina kwafin bayanai game da abubuwan horo masu zuwa.
- Ekaterinburg. Mayu 16, 2019. Taron karawa juna sani. Kuna iya yin rajista ta hanyar haɗin yanar gizon:
- Ekaterinburg. Mayu 20 - Yuni 21, 2019. Cibiyar Kwarewa. Ku zo don nunin raye-raye na tsarin ajiya na AERODISK ENGINE N2 a kowane lokacin aiki. Za a samar da ainihin adireshin da mahaɗin rajista daga baya. Bi bayanin.
- Novosibirsk KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Oktoba 2019 - Kazan. KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Oktoba 2019 - Krasnoyarsk KU BIYO BAYANIN A SHAFINMU KO HUBRA.
Nuwamba 2019
source: www.habr.com