{"id":146080,"date":"2025-10-22T11:11:56","date_gmt":"2025-10-22T09:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-valkey-9-0-fork-subd-redis"},"modified":"2025-10-22T11:11:56","modified_gmt":"2025-10-22T09:11:56","slug":"opublikovan-valkey-9-0-fork-subd-redis","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/opublikovan-valkey-9-0-fork-subd-redis","title":{"rendered":"A fost lansat Valkey 9.0, o ramur\u0103 a SGBD-ului Redis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>S-a lansat SGBD-ul Valkey 9.0, care anul trecut s-a desprins de SGBD-ul Redis. Ramura a fost format\u0103 dup\u0103 ce Redis 7.4 a fost transformat \u00eentr-o licen\u021b\u0103 proprietar\u0103. \u00cen versiunea Redis 8.0, codul a fost readus la licen\u021ba liber\u0103 AGPLv3, dar acest lucru nu a afectat dezvoltarea proiectului Valkey. Valkey se dezvolt\u0103 pe o platform\u0103 neutr\u0103 sub egida organiza\u021biei Linux Foundation, cu participarea dezvoltatorilor de la companii precum Amazon, Google, Oracle, Ericsson \u0219i Snap. Codul proiectului este scris \u00een limbajul C \u0219i este distribuit sub licen\u021ba BSD. Este suportat pe Linux, macOS, OpenBSD, NetBSD \u0219i FreeBSD.     <\/p>\n<p>SGBD-ul Valkey \u0219i Redis ofer\u0103 func\u021bii pentru stocarea datelor \u00een format cheie\/valoare, extinse cu suport pentru formate de date structurate, cum ar fi listele, hash-urile \u0219i seturile, precum \u0219i posibilitatea de a executa <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3986\">server<\/a> scripturi de gestionare \u00een limbajul Lua. Baza de date este stocat\u0103 \u00een memorie \u0219i sincronizat\u0103 cu versiunea de pe disc sau reflectat\u0103 \u00een jurnalul de modific\u0103ri de pe disc, ceea ce garanteaz\u0103 p\u0103strarea datelor \u00een cazul unei \u00eenchideri necontrolate. Sunt acceptate tranzac\u021bii, modul \u201epublicare \/ abonare\u201d, comenzi pentru incrementare \/ decrementare, opera\u021bii asupra listelor \u0219i mul\u021bimilor (\u00eembinare, intersec\u021bie), redenumirea cheilor, replicare master-slave, selec\u021bii multiple \u0219i func\u021bii de sortare.       <\/p>\n<p>\u00cen noua versiune:  <\/p>\n<ul>\n<li class=\"l\"> Pentru transferul datelor \u00eentre nodurile din cluster este utilizat\u0103 tehnica migra\u021biei atomice a sloturilor, prin care datele sunt mutate nu la nivel de cheie individual\u0103 (o cheie pe r\u00e2nd), ci la nivelul mut\u0103rii atomice a 16384 de sloturi de stocare a datelor. Transferul se efectueaz\u0103 folosind formatul AOF, care permite trimiterea unor elemente individuale din colec\u021bii \u00een loc de toate datele asociate cu cheia. O astfel de abordare \u00eembun\u0103t\u0103\u021be\u0219te semnificativ performan\u021ba, evit\u0103 redirec\u021bion\u0103rile \u0219i elimin\u0103 \u00eent\u00e2rzierile care ap\u0103reau la accesul clientului la cheia transferat\u0103.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 posibilitatea de a defini un timp de via\u021b\u0103 diferit pentru diferite c\u00e2mpuri \u00een hash-urile asociate cu o singur\u0103 cheie (anterior, timpul de via\u021b\u0103 era legat de cheie \u0219i acoperea toate c\u00e2mpurile simultan). Pentru gestionarea timpului de via\u021b\u0103 al datelor au fost ad\u0103ugate comenzi noi: HEXPIRE, HEXPIREAT, HEXPIRETIME, HGETEX, HPERSIST, HPEXPIRE, HPEXPIREAT, HPEXPIRETIME, HPTTL, HSETEX \u0219i HTTL.\n<li class=\"l\"> A fost oferit\u0103 posibilitatea utiliz\u0103rii \u00een modul cluster al bazelor de date numerotate, \u00een care spa\u021biul cheilor este \u00eemp\u0103r\u021bit \u00een mai multe baze de date diferite (\u00een mod implicit 16).\n<li class=\"l\"> Eficien\u021ba oper\u0103rii clustere mari a fost crescut\u0103 \u2014 a fost demonstrat un cluster din 2000 de noduri, capabil s\u0103 proceseze un miliard de cereri pe secund\u0103.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 o optimizare care, \u00een anumite situa\u021bii, poate cre\u0219te capacitatea de procesare cu 40% prin pre\u00eenc\u0103rcarea comenzilor grupate (pipelining) \u00een memorie.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 o optimizare care, \u00een anumite situa\u021bii, poate cre\u0219te capacitatea de procesare cu 20% prin eliminarea copiei datelor \u00een memorie (zero copy) \u00een timpul proces\u0103rii cererilor mari.\n<li class=\"l\"> A fost ad\u0103ugat suport pentru tehnologia Multipath TCP pentru organizarea livr\u0103rii pachetelor simultan prin mai multe rute prin diferite interfe\u021be de re\u021bea, legate de diferite adrese IP. Utilizarea Multipath TCP permite, \u00een anumite situa\u021bii, sc\u0103derea \u00eent\u00e2rzierilor cu 25%.\n<li class=\"l\"> \u00cen BITCOUNT \u0219i HyperLogLog au fost ad\u0103ugate optimiz\u0103ri care utilizeaz\u0103 instruc\u021biuni procesor SIMD, care \u00een anumite situa\u021bii pot cre\u0219te capacitatea de procesare cu 200%.\n<li class=\"l\"> \u00cen indiciile geopspa\u021biale a fost ad\u0103gat\u0103 suport pentru cereri de localizare dup\u0103 coordonatele poligonului.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 comanda \u201eDELIFEQ\u201d pentru a \u0219terge o cheie, dac\u0103 valoarea asociat\u0103 acesteia corespunde celei specificate.\n<li class=\"l\"> \u00cen comanda \u201eCLIENT LIST\u201d a fost implementat\u0103 posibilitatea de a stabili filtre care elimin\u0103 elementele dup\u0103 nume, steaguri, activitate, Baza de date, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/lir\/ipv4\/\"   title=\"adresa IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"615\">adresa IP<\/a> \u0219i autoriza\u021bii.\n<li class=\"l\"> A fost reluat suportul pentru 25 de comenzi anterior declarate \u00eenvechite.              <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64096\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0421\u0423\u0411\u0414 Valkey 9.0, \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u043e\u0442\u0432\u0435\u0442\u0432\u0438\u0432\u0448\u0435\u0439\u0441\u044f \u043e\u0442 \u0421\u0423\u0411\u0414 Redis. \u0424\u043e\u0440\u043a \u0431\u044b\u043b \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d \u043f\u043e\u0441\u043b\u0435 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 Redis 7.4 \u043d\u0430 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u0443\u044e \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044e. \u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Redis 8.0 \u043a\u043e\u0434 \u0431\u044b\u043b \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0451\u043d \u043d\u0430 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0443\u044e \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044e AGPLv3, \u043d\u043e \u044d\u0442\u043e \u043d\u0435 \u043f\u043e\u0432\u043b\u0438\u044f\u043b\u043e \u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Valkey. 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