{"id":135788,"date":"2025-06-04T09:05:06","date_gmt":"2025-06-04T07:05:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sravnenie-proizvoditelnosti-subd-valkey-i-redis"},"modified":"2025-06-04T09:05:06","modified_gmt":"2025-06-04T07:05:08","slug":"sravnenie-proizvoditelnosti-subd-valkey-i-redis","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/sravnenie-proizvoditelnosti-subd-valkey-i-redis","title":{"rendered":"Primerjava zmogljivosti DBMS Valkey in Redis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Predstavljeni so rezultati testiranja najnovej\u0161ih razli\u010dic DBMS Redis 8.0 in Valkey 8.1, v katerih so bile napovedane pomembne optimizacije zmogljivosti. V vseh izvedenih testih je fork, ki ga razvija skupnost, prehitel izvirni projekt, predvsem zaradi uvedbe novega mehanizma za ve\u010dnitno obdelavo vhodno\/izhodnih operacij v asinhronem na\u010dinu, ki ga je projektu zagotovila dru\u017eba Amazon. <\/p>\n

V testnem okolju AWS Graviton4 c8g.2xlarge z 8 VCPU je Valkey 8.1.1 dosegla zmogljivost 999.8 tiso\u010d SET zahtevkov na sekundo, medtem ko je Redis 8.0 dosegel raven 729.4 tiso\u010d zahtevkov na sekundo. Na splo\u0161no je bila propustnost Valkey vi\u0161ja od Redis za 37 % pri operacijah SET in za 16 % pri GET. Hkrati je v primerjavi z Redis projekt Valkey pokazal 30 % zmanj\u0161anje zakasnitve pri obdelavi zahtevkov pri operacijah SET in 60 % pri operacijah GET.

\"Primerjava<\/center> <\/p>\n

Lo\u010deno je bila izvedena analiza sprememb v propustnosti in zakasnitvah glede na \u0161tevilo hkrati izvajalnih obdelovalcev v na\u010dinu ve\u010dnitnega obdelovanja vhodnih\/izhodnih podatkov. Do 3 niti Valkey in Redis dosegajo pribli\u017eno enake rezultate, nato pa Valkey prevzame vodstvo. Pri 6 nitih na sistemu z 8 VCPU je bila zmogljivost Valkey 678 tiso\u010d SET-izpra\u0161evanj na sekundo, medtem ko je bila zmogljivost Redisa 563 tiso\u010d izpra\u0161evanj na sekundo pri omejitvi 256 hkratnih povezav. Pri pove\u010danju povezav na 400 se je zmogljivost Valkey pove\u010dala na 832 tiso\u010d SET-izpra\u0161evanj na sekundo.

\"Primerjava<\/center> <\/p>\n

Po optimizaciji obdelave prekinitev v sistemu za zmanj\u0161anje \u0161tevila preklapljanj kontekstov je Valkey uspelo pove\u010dati zmogljivost na 999,8 tiso\u010d SET-izpra\u0161evanj na sekundo. Osnovna ideja optimizacije je bila dodelitev 2 VCPU za obdelavo prekinitev in vezava preostalih 6 VCPU na niti obdelave vhodnih\/izhodnih podatkov Valkey in Redis, da se prepre\u010di migracija obdelovalcev med CPU. sudo ethtool -L ens34 combined 2 # omejimo \u0161tevilo obdelovalcev IRQ na 2 grep ens34 \/proc\/interrupts # preverimo, kateri obdelovalci so vklju\u010deni (99 in 100) echo 1 | sudo tee \/proc\/irq\/99\/smp_affinity # pove\u017eemo obdelovalca 99 s jedrom 1 echo 2 | sudo tee \/proc\/irq\/100\/smp_affinity # pove\u017eemo obdelovalca 100 s jedrom 2 # Za\u017eenemo SGBD (za Redis spremenite valkey\/valkey:8.1.1 na redis:8.0) s povezovanjem kontejnerja na jedra CPU 2-7 docker run --network='host' --rm \\ --cpuset-cpus='2-7' valkey\/valkey:8.1.1 \\ --save \u00ab \u00bb --appendonly no --io-threads 6 \\ --protected-mode no --maxmemory 10gb <\/p>\n

Za testiranje zmogljivosti je bila uporabljena ukazna vrstica: docker run --network='host' --rm --cpuset-cpus='2-7' \\ valkey\/valkey:8.0.1 valkey-benchmark \\ -h 172.31.4.92 -p 6379 -t SET,GET -n 100000000 -c 256 \\ -r 3000000 --threads 6 -d 1024
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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