{"id":100298,"date":"2021-05-27T16:22:46","date_gmt":"2021-05-27T14:22:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-subd-immudb-1-0-obespechivayushhaya-zashhitu-ot-iskazheniya-dannyh"},"modified":"2021-05-27T16:22:46","modified_gmt":"2021-05-27T14:22:48","slug":"opublikovana-subd-immudb-1-0-obespechivayushhaya-zashhitu-ot-iskazheniya-dannyh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/opublikovana-subd-immudb-1-0-obespechivayushhaya-zashhitu-ot-iskazheniya-dannyh","title":{"rendered":"\u00cbsht\u00eb publikuar SGBD immudb 1.0, i cili siguron mbrojtje nga deformimi i t\u00eb dh\u00ebnave","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cbsht\u00eb prezantuar nj\u00eb version i r\u00ebnd\u00ebsish\u00ebm i DBMS immudb 1.0, q\u00eb garanton paprekshm\u00ebrin\u00eb dhe ruajtjen e t\u00eb gjitha t\u00eb dh\u00ebnave t\u00eb shtuara ndonj\u00ebher\u00eb, si dhe ofron mbrojtje nga modifikimet retroaktive dhe mund\u00ebsin\u00eb e prov\u00ebs kriptografike t\u00eb pron\u00ebsis\u00eb s\u00eb t\u00eb dh\u00ebnave. Fillimisht, projekti u zhvillua si nj\u00eb depozita e specializuar NoSQL, q\u00eb manipuloj\u00eb t\u00eb dh\u00ebnat n\u00eb formatin \u00e7el\u00ebs\/vler\u00eb, por duke nisur nga versioni 1.0, immudb pozicionohet si nj\u00eb DBMS i plot\u00eb me mb\u00ebshtetje p\u00ebr SQL. Kodi i projektit \u00ebsht\u00eb shkruar n\u00eb gjuh\u00ebn Go dhe shp\u00ebrndahet n\u00ebn licenc\u00ebn Apache 2.0. <\/p>\n

Informacioni n\u00eb immudb ruhet duke p\u00ebrdorur nj\u00eb struktur\u00eb t\u00eb ngjashme me blockchain, q\u00eb garanton integritetin e t\u00eb gjith\u00eb zinxhirit t\u00eb regjistrimeve ekzistuese dhe nuk lejon t\u00eb ndryshohen t\u00eb dh\u00ebnat e ruajtura ose t\u00eb falsifikohen\/shtohen regjistrime n\u00eb historin\u00eb e transaksioneve. Depozita mb\u00ebshtet vet\u00ebm shtimin e t\u00eb dh\u00ebnave t\u00eb reja, pa mund\u00ebsi p\u00ebr t\u00eb fshir\u00eb ose ndryshuar informacionin e shtuar tashm\u00eb. P\u00ebrpjekja p\u00ebr t\u00eb ndryshuar regjistrime n\u00eb DBMS \u00e7on vet\u00ebm n\u00eb ruajtjen e nj\u00eb versioni t\u00eb ri t\u00eb regjistrimit, t\u00eb dh\u00ebnat e vjetra nuk humbasin dhe q\u00ebndrojn\u00eb t\u00eb aksesueshme n\u00eb historin\u00eb e ndryshimeve. <\/p>\n

Ndryshe nga zgjidhjet tipike q\u00eb bazohen n\u00eb blockchain, immudb ofron performanc\u00eb n\u00eb nivelin e milion\u00ebve transaksionesh n\u00eb sekond\u00eb dhe mund t\u00eb p\u00ebrdoret p\u00ebr t\u00eb nisur sh\u00ebrbime t\u00eb lehta ose p\u00ebr t\u00eb integruar funksionalitetin e saj n\u00eb aplikacione si nj\u00eb bibliotek\u00eb.

\"\u00cbsht\u00eb<\/center> <\/p>\n

Performanca e lart\u00eb arrihet fal\u00eb p\u00ebrdorimit t\u00eb pem\u00ebs LSM (Log-structured merge-tree) me nj\u00eb log t\u00eb vlerave, q\u00eb siguron qasje t\u00eb shpejt\u00eb n\u00eb regjistrime gjat\u00eb intensitetit t\u00eb lart\u00eb t\u00eb shtimit t\u00eb t\u00eb dh\u00ebnave. P\u00ebr t\u00eb mbajtur integritetin e ruajtjes, po ashtu angazhohet nj\u00eb struktur\u00eb pemore \"Merkle Tree\", n\u00eb t\u00eb cil\u00ebn \u00e7do deg\u00eb verifikon t\u00eb gjitha deg\u00ebt dhe nyjat m\u00eb posht\u00eb fal\u00eb nj\u00eb heshit t\u00eb p\u00ebrbashk\u00ebt (pemor). Duke pasur nj\u00eb hash p\u00ebrfundimtar, p\u00ebrdoruesi mund t\u00eb sigurohet p\u00ebr sakt\u00ebsin\u00eb e t\u00eb gjith\u00eb historis\u00eb s\u00eb operacioneve, si dhe p\u00ebr sakt\u00ebsin\u00eb e gjendjeve t\u00eb kaluara t\u00eb DB (hashi kontrollues i gjendjes s\u00eb re t\u00eb baz\u00ebs llogaritet duke marr\u00eb parasysh gjendjen e kaluar). <\/p>\n

Konsumator\u00ebve dhe auditor\u00ebve u ofrohet nj\u00eb prov\u00eb kriptografike e pron\u00ebsis\u00eb dhe integritetit t\u00eb t\u00eb dh\u00ebnave. P\u00ebrdorimi i kriptografis\u00eb me \u00e7el\u00ebs t\u00eb hapur nuk k\u00ebrkon nga klienti besim n\u00eb server<\/a>, dhe lidhja e \u00e7do klienti t\u00eb ri me DBMS rrit nivelin e p\u00ebrgjithsh\u00ebm t\u00eb besimit n\u00eb t\u00eb gjith\u00eb depozitimin. \u00c7el\u00ebsat e hapur dhe listat e t\u00ebrheqjes s\u00eb \u00e7el\u00ebsave ruhen n\u00eb DB, dhe gjat\u00eb kryerjes s\u00eb operacioneve me kriptimin mund t\u00eb p\u00ebrdoren enklavat Intel SGX. <\/p>\n

Nga funksionalitetet e DBMS, p\u00ebrmenden mb\u00ebshtetje p\u00ebr SQL, moda e ruajtjes s\u00eb \u00e7el\u00ebsit\/vler\u00ebs, indekset, segmentimi i DB (sharding), krijimi i snapshot-eve t\u00eb gjendjes s\u00eb t\u00eb dh\u00ebnave, transaksione ACID me mb\u00ebshtetje p\u00ebr izolimin e snapshot-eve (SSI), performanc\u00eb e lart\u00eb e leximit dhe shkruajtjes, optimizime p\u00ebr pun\u00eb efikase n\u00eb disqet SSD, mb\u00ebshtetje e pun\u00ebs n\u00eb form\u00eb server<\/a> dhe bibliotekave t\u00eb integruara, mb\u00ebshtetje p\u00ebr REST API dhe disponueshm\u00ebrin\u00eb e nd\u00ebrfaqes web p\u00ebr menaxhim. N\u00eb fushat tipike t\u00eb p\u00ebrdorimit, ku bazat e t\u00eb dh\u00ebnave si immudb jan\u00eb t\u00eb k\u00ebrkuara, p\u00ebrfshihen menaxhimi i transaksioneve me karta krediti, ruajtja e \u00e7elave publik\u00eb, certifikatave digjitale, kontrolleve t\u00eb sumave dhe log\u00ebve, krijimi i nj\u00eb ruajtjeje t\u00eb dyfisht\u00eb p\u00ebr fusha t\u00eb r\u00ebnd\u00ebsishme n\u00eb bazat e t\u00eb dh\u00ebnave tradicionale. Bibliotekat klient\u00ebsh p\u00ebr pun\u00eb me immudb jan\u00eb p\u00ebrgatitur p\u00ebr Go, Java, .NET, Python dhe Node.js. <\/p>\n

P\u00ebrmir\u00ebsimet kryesore n\u00eb versionin immudb 1.0: <\/p>\n