{"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\/cs\/blog\/news\/sravnenie-proizvoditelnosti-subd-valkey-i-redis","title":{"rendered":"Srovn\u00e1n\u00ed v\u00fdkonnosti datab\u00e1zov\u00fdch syst\u00e9m\u016f Valkey a Redis.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byly zve\u0159ejn\u011bny v\u00fdsledky testov\u00e1n\u00ed \u010derstv\u00fdch verz\u00ed datab\u00e1zov\u00fdch syst\u00e9m\u016f Redis 8.0 a Valkey 8.1, kter\u00e9 hl\u00e1sily v\u00fdznamn\u00e9 optimalizace v\u00fdkonu. Ve v\u0161ech proveden\u00fdch testech se komunitou vyv\u00edjen\u00e1 fork uk\u00e1zala jako rychlej\u0161\u00ed ne\u017e origin\u00e1ln\u00ed projekt, zejm\u00e9na d\u00edky zaveden\u00ed nov\u00e9ho mechanismu pro v\u00edcetrhu zpracov\u00e1n\u00ed vstupu\/v\u00fdstupu v asynchronn\u00edm re\u017eimu, kter\u00fd byl p\u0159ed\u00e1n projektu spole\u010dnost\u00ed Amazon. <\/p>\n

V testovac\u00edm prost\u0159ed\u00ed AWS Graviton4 c8g.2xlarge s 8 VCPU dos\u00e1hl Valkey 8.1.1 v\u00fdkonu 999,8 tis\u00edc SET po\u017eadavk\u016f za sekundu, zat\u00edmco v Redis 8.0 byl dosa\u017een v\u00fdkon 729,4 tis\u00edc po\u017eadavk\u016f za sekundu. Celkov\u00e1 propustnost Valkey tedy p\u0159evy\u0161ovala Redis o 37% pro operace SET a o 16% pro GET. V porovn\u00e1n\u00ed s Redis projekt Valkey vyk\u00e1zal sn\u00ed\u017een\u00ed latence p\u0159i zpracov\u00e1n\u00ed po\u017eadavk\u016f o 30% pro operace SET a o 60% pro operace GET.

\"Srovn\u00e1n\u00ed<\/center> <\/p>\n

Samostatn\u011b byl proveden rozbor zm\u011bn v propustnosti a latenc\u00edch v z\u00e1vislosti na po\u010dtu paraleln\u011b b\u011b\u017e\u00edc\u00edch zpracovatel\u016f v re\u017eimu v\u00edcetrhu zpracov\u00e1n\u00ed vstupu\/v\u00fdstupu. A\u017e do 3 vl\u00e1ken vykazuj\u00ed Valkey a Redis p\u0159ibli\u017en\u011b stejn\u00e9 v\u00fdsledky, ale pot\u00e9 se Valkey dost\u00e1v\u00e1 do veden\u00ed. P\u0159i 6 vl\u00e1knech na syst\u00e9mu s 8 VCPU dos\u00e1hla v\u00fdkonnost Valkey 678 tis\u00edc SET po\u017eadavk\u016f za sekundu, zat\u00edmco Redis - 563 tis\u00edc po\u017eadavk\u016f za sekundu p\u0159i limitu 256 simult\u00e1nn\u00edch spojen\u00ed. P\u0159i zv\u00fd\u0161en\u00ed spojen\u00ed na 400 vzrostla v\u00fdkonnost Valkey na 832 tis\u00edc SET po\u017eadavk\u016f za sekundu.

\"Srovn\u00e1n\u00ed<\/center> <\/p>\n

Po optimalizaci zpracov\u00e1n\u00ed p\u0159eru\u0161en\u00ed v syst\u00e9mu pro sn\u00ed\u017een\u00ed po\u010dtu p\u0159epnut\u00ed kontextu se poda\u0159ilo zv\u00fd\u0161it v\u00fdkonnost Valkey na 999,8 tis\u00edc SET po\u017eadavk\u016f za sekundu. J\u00e1dro optimalizace spo\u010d\u00edvalo ve vy\u010dlen\u011bn\u00ed 2 VCPU pro zpracov\u00e1n\u00ed p\u0159eru\u0161en\u00ed a p\u0159id\u011blen\u00ed zb\u00fdvaj\u00edc\u00edch 6 VCPU vl\u00e1kn\u016fm zpracov\u00e1n\u00ed vstupu\/v\u00fdstupu Valkey a Redis, aby se vylou\u010dila migrace zpracovatel\u016f mezi CPU. sudo ethtool -L ens34 combined 2 # omezujeme po\u010det zpracovatel\u016f IRQ na 2 grep ens34 \/proc\/interrupts # kontrolujeme, kter\u00e9 zpracovatele jsou zapojeny (99 a 100) echo 1 | sudo tee \/proc\/irq\/99\/smp_affinity # p\u0159i\u0159azujeme zpracovatele 99 k j\u00e1dru 1 echo 2 | sudo tee \/proc\/irq\/100\/smp_affinity # p\u0159i\u0159azujeme zpracovatele 100 k j\u00e1dru 2 # Spou\u0161t\u00edme DB (pro Redis zm\u011bnit valkey\/valkey:8.1.1 na redis:8.0) s p\u0159i\u0159azen\u00edm kontejneru k CPU j\u00e1dr\u016fm 2-7 docker run --network='host' --rm \\ --cpuset-cpus='2-7' valkey\/valkey:8.1.1 \\ --save \u2018 \u2019 --appendonly no --io-threads 6 \\ --protected-mode no --maxmemory 10gb <\/p>\n

Pro testov\u00e1n\u00ed v\u00fdkonu byl pou\u017eit p\u0159\u00edkaz: 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
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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