{"id":52849,"date":"2019-11-18T00:00:00","date_gmt":"2019-11-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov"},"modified":"2020-02-18T14:00:39","modified_gmt":"2020-02-18T11:00:39","slug":"kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/kak-protestirovat-proizvoditelnost-serverov-podborka-iz-neskolkih-open-source-benchmarkov","title":{"rendered":"Kako testirati performanse poslu\u017eitelja: zbirka nekoliko open source benchmarka","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nastavljamo na\u0161u seriju materijala posve\u0107enih testiranju performansi servera. Danas \u0107emo razgovarati o nekoliko dobro provjerenih benchmarka koji se i dalje podr\u017eavaju i a\u017euriraju \u2014 NetPerf, HardInfo i ApacheBench.<\/p>\n

\"Kako<\/a><\/noindex><\/a><\/noindex>
\nFotografija \u2013 Peter Balcerzak<\/a><\/noindex> \u2014 CC BY-SA<\/i><\/p>\n

NetPerf<\/a><\/noindex><\/h2>\n

\nTo je alat za procjenu propusnosti mre\u017ee. Razvili su ga in\u017eenjeri iz Hewlett-Packarda. Alat uklju\u010duje<\/a><\/noindex> ima dva izvr\u0161na fajla: netserver i netclient. Za provo\u0111enje testa treba ih pokrenuti na razli\u010ditim ma\u0161inama. Po defaultu, netperf koristi port 12865, ali ga mo\u017eete promijeniti pomo\u0107u oznake -p. Alat radi s TCP i UDP preko BSD soketa, DLPI, Unix domen soketa i IPv6.<\/p>\n

Danas je netperf dio seta alata za benchmarking Flent<\/a><\/noindex>. Tako\u0111er ga koristi prili\u010dan broj IT kompanija, na primjer Red Hat<\/a><\/noindex>. Ovako izgleda opis servisa netperf u jednom od primjera za procjenu performansi OpenShift:<\/p>\n

apiVersion: v1\nkind: Service\nmetadata:\n  labels:\n    app-name: netperf\n  name: netperf\n  namespace: your_project\nspec:\n  ports:\n  - port: 12865\n    protocol: TCP\n    targetPort: 12865\n  selector:\n    app-name: netperf\n  sessionAffinity: ClientIP\n  type: ClusterIP\n<\/code><\/pre>\n
\nU slu\u017ebenom repozitoriju stoji da se netperf distribuira pod posebnom licencom Hewlett-Packarda. Me\u0111utim, autor alata \u2014 Rick Jones \u2014 tvrdi da je on napravljen u najboljim tradicijama open source-a. Tako\u0111er napominjemo da su nedavna a\u017euriranja za netperf postala prili\u010dno rijetka. Mogu\u0107e je da je to povezano s zrelo\u0161\u0107u proizvoda.<\/p>\n
Netperf ima analoge \u2014 na primjer, iperf2<\/a><\/noindex> i iperf3<\/a><\/noindex>. Oni tako\u0111er omogu\u0107uju testiranje propusnosti mre\u017ee. Razvoj iperf3 zapo\u010det je nakon \u0161to je repozitorij iperf2 postao zapu\u0161ten. Nova verzija napisana je ispo\u010detka i nije kompatibilna sa prethodnom implementacijom, iako sadr\u017ei dio njenog koda. Ono \u0161to je zanimljivo je da je nakon objave iperf3, rad na iperf2 ponovo o\u017eivljen. Na kraju, dva alata imaju<\/a><\/noindex> sli\u010dnu, ali u isto vrijeme razli\u010ditu funkcionalnost. Na primjer, iperf2 je vi\u0161enitni, dok je iperf3 \u2014 radi<\/a><\/noindex> samo s jednim tokom.<\/p>\n
Hardinfo<\/a><\/noindex><\/h2>\n
\nTo je alat za prikupljanje informacija o hardveru i operativnom sistemu. Prikazuje podatke o radu ure\u0111aja na: PCI, ISA PnP, USB, IDE, SCSI, kao i serijskim i paralelnim portovima. No, tako\u0111er se mo\u017ee koristiti kao benchmark i alat za monitoring.<\/p>\n
HardInfo nudi nekoliko testova. Na primjer, CPU Blowfish \u2014 ocjenjuje performanse procesora koriste\u0107i kriptografske algoritme simetri\u010dne blokovne enkripcije. Tu je CPU N-Queens<\/a><\/noindex> \u2014 test iz kombinatorike. Sustav rje\u0161ava \u0161ahovski problem postavljanja N kraljica na plo\u010du N x N kvadrata. Postavlja figure tako da nijedna od njih ne mo\u017ee napasti ostale. Tako\u0111er, treba napomenuti FPU FFT \u2014 test za brzo izra\u010dunavanje diskretne Fourierove transformacije i FPU Raytracing \u2014 izra\u010dunavanje traganja zraka prilikom renderiranja 3D scene.<\/p>\n
Rezultati ve\u0107ine testova izra\u017eavaju se u sekundama i, shodno tome, \u0161to je rezultat manji \u2014 to je bolje. Svi izvje\u0161taji prikazani su u HTML i txt formatima.<\/p>\n
Izvorno je alat razvijen u okviru projekta BerliOS<\/a><\/noindex>. Uklju\u010divao je hosting platformu za aplikacije otvorenog koda (poput SourceForge<\/a><\/noindex>) i nekoliko baza podataka za dokumentaciju i profile open source programera. BerliOS je zatvoren 2014. godine zbog nedovoljnog financiranja. Danas HardInfo razvijaju entuzijasti u zasebnom repozitoriju<\/a><\/noindex> GitHubu.<\/p><\/blockquote>\n
\nNapominjemo da se u radu sustava ponekad pojavljuju gre\u0161ke. Poznato je o povremeno pojavljuju\u0107oj gre\u0161ci segmentacije<\/a><\/noindex>, problemima s prikazom USB ure\u0111aja<\/a><\/noindex> i nekoliko drugima<\/a><\/noindex>.<\/p>\n
ApacheBench<\/a><\/noindex><\/h2>\n
\nAlat za optere\u0107enjsko testiranje HTTP servera. ApacheBench (AB) razvijen je za testiranje Apache, ali mo\u017ee raditi i na bilo kojem drugom serveru. Alat je unaprijed instaliran na mnogim Linux distribucijama.<\/p>\n
\"Kako
\nFotografija \u2013 Victor Freitas<\/a><\/noindex> \u2013 Unsplash<\/i><\/p>\n
Alat \"bombarduje\" servere velikim brojem zahtjeva. Za pokretanje potrebno je unijeti sljede\u0107u naredbu:<\/p>\n
ab -n 100 -c 10 http:\/\/www.example.com\/<\/code><\/pre>\n
\nOna \u0107e poslati sto GET zahtjeva (istovremeno \u0107e biti poslana najvi\u0161e deset) na testni resurs. Sustav \u0107e na izlazu prikazati prosje\u010dno vrijeme obrade zahtjeva, ukupnu koli\u010dinu prenesenih podataka, propusnost i broj gre\u0161aka.<\/p>\n
Danas se oko alata okupila \u0161iroka zajednica. Na mre\u017ei redovito se pojavljuju nova uputstva<\/a><\/noindex> o tome kako konfigurirati i koristiti ApacheBench.<\/p><\/blockquote>\n
\nNapominjemo da AB ima analog \u2014 Apache jMeter<\/a><\/noindex>, ali s mnogim mogu\u0107nostima. Na primjer, omogu\u0107uje generiranje upita s vi\u0161e ra\u010dunala, upravljaju\u0107i procesom s jednog od njih. Tako\u0111er, program sadr\u017ei mehanizme autorizacije virtualnih korisnika i podr\u017eava korisni\u010dke sesije. Ovaj alat koriste mnoge IT tvrtke, uklju\u010duju\u0107i<\/a><\/noindex> cloud pru\u017eatelje, kao \u0161to su Qualys<\/a><\/noindex>.<\/p>\n
\"KakoMi u 1cloud pru\u017eamo uslugu \u00abPrivatni oblak\u00bb<\/a><\/noindex>. To je iznajmljivanje virtualne infrastrukture s mogu\u0107no\u0161\u0107u brze prilagodbe parka\u00a0virtualnih servera<\/a><\/noindex>.
\n \"KakoNa\u0161 oblak izgra\u0111en je na opremi<\/a><\/noindex> Cisco, Dell, NetApp. Oprema se nalazi u nekoliko data centara: DataSpace (Moskva), SDN\/Xelent (Sankt Peterburg), Ahost (Almaty).<\/p>\n
Izvor: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
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\u043e\u0431\u043d\u043e\u0432\u043b\u044f\u044e\u0442 \u2014 NetPerf, HardInfo \u0438 ApacheBench. \u0424\u043e\u0442\u043e \u2014 Peter Balcerzak \u2014 CC BY-SA NetPerf \u042d\u0442\u043e \u2014 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u043e\u0446\u0435\u043d\u043a\u0438 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438. \u0415\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 Hewlett-Packard. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0434\u0432\u0430 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u0430: netserver \u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-52849","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Kako testirati performanse poslu\u017eitelja: izbor nekoliko open source benchmaraka | ProHoster","description":"Nastavljamo na\u0161u seriju materijala posve\u0107enih testiranju performansi 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