{"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\/news\/opublikovana-subd-immudb-1-0-obespechivayushhaya-zashhitu-ot-iskazheniya-dannyh","title":{"rendered":"Baza e t\u00eb dh\u00ebnave immudb 1.0 \u00ebsht\u00eb publikuar, e cila ofron mbrojtje nga manipulimi i t\u00eb dh\u00ebnave.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cbsht\u00eb prezantuar versioni i madh i DBMS immudb 1.0, q\u00eb garanton pandryshueshm\u00ebrin\u00eb dhe ruajtjen e t\u00eb gjitha t\u00eb dh\u00ebnave t\u00eb shtuara ndonj\u00ebher\u00eb, si edhe ofron mbrojtje ndaj ndryshimeve t\u00eb b\u00ebra n\u00eb m\u00ebnyr\u00eb retroaktive dhe mund\u00ebsi p\u00ebr prov\u00eb kriptografike t\u00eb zot\u00ebrimit t\u00eb t\u00eb dh\u00ebnave. Fillimisht projekti u zhvillua si nj\u00eb ruajtje e specializuar NoSQL q\u00eb punon me t\u00eb dh\u00ebna n\u00eb formatin \u00e7el\u00ebs\/vler\u00eb, por duke nisur nga versioni 1.0 immudb pozicionohet si nj\u00eb DBMS e 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, e cila garanton integritetin e t\u00eb gjith\u00eb zinxhirit t\u00eb regjistrimeve ekzistuese dhe nuk lejon ndryshimin e t\u00eb dh\u00ebnave t\u00eb ruajtura tashm\u00eb apo z\u00ebvend\u00ebsimin\/futjen e nj\u00eb regjistrimi n\u00eb historikun e transaksioneve. Ruajtja mb\u00ebshtet vet\u00ebm shtimin e t\u00eb dh\u00ebnave t\u00eb reja, pa mund\u00ebsi p\u00ebr fshirjen ose ndryshimin e informacionit t\u00eb shtuar m\u00eb par\u00eb. \u00c7do p\u00ebrpjekje p\u00ebr t\u00eb ndryshuar regjistrimet 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 mbeten t\u00eb qasshme n\u00eb historikun e ndryshimeve. <\/p>\n

Nd\u00ebrkoh\u00eb, ndryshe nga zgjidhjet tipike t\u00eb bazuara n\u00eb blockchain, immudb mund t\u00eb arrij\u00eb performanc\u00eb n\u00eb nivelin e miliona transaksioneve n\u00eb sekond\u00eb dhe mund t\u00eb p\u00ebrdoret p\u00ebr nisjen e sh\u00ebrbimeve t\u00eb lehta ose p\u00ebr integrimin e funksionalitetit t\u00eb tij n\u00eb aplikacione n\u00eb form\u00ebn e nj\u00eb biblioteke.

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

Performanca e lart\u00eb arrin p\u00ebrmes 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 regjistrimet me intensitet t\u00eb lart\u00eb t\u00eb shtimit t\u00eb t\u00eb dh\u00ebnave. P\u00ebr t\u00eb mbajtur integritetin e magazin\u00ebs, gjithashtu angazhohet nj\u00eb struktur\u00eb pemore «pem\u00eb Merkle» (Merkle Tree), ku \u00e7do deg\u00eb verifikon t\u00eb gjitha deg\u00ebt dhe nyjat posht\u00eb saj fal\u00eb heshimit 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 verifikues rr\u00ebnj\u00ebsor i gjendjes s\u00eb re t\u00eb baz\u00ebs llogaritet duke marr\u00eb parasysh gjendjen e kaluar). <\/p>\n

Klient\u00ebve dhe auditor\u00ebve u ofrohet prov\u00eb kriptografike e zot\u00ebrimit dhe integritetit t\u00eb t\u00eb dh\u00ebnave. P\u00ebrdorimi i kriptografis\u00eb me \u00e7el\u00ebs publik nuk k\u00ebrkon nga klienti besim te serverit<\/a>, dhe lidhja e \u00e7do klienti t\u00eb ri me DBMS rrit nivelin e p\u00ebrgjithsh\u00ebm t\u00eb besimit ndaj t\u00eb gjith\u00eb ruajtjes s\u00eb t\u00eb dh\u00ebnave. \u00c7el\u00ebsat publik\u00eb dhe listat e revokimit t\u00eb \u00e7el\u00ebsave ruhen n\u00eb DB, nd\u00ebrsa gjat\u00eb kryerjes s\u00eb operacioneve t\u00eb enkriptimit mund t\u00eb p\u00ebrdoren enklavat Intel SGX. <\/p>\n

Nd\u00ebr ve\u00e7orit\u00eb funksionale t\u00eb DBMS p\u00ebrmenden mb\u00ebshtetja p\u00ebr SQL, m\u00ebnyra e ruajtjes \u00e7el\u00ebs\/vler\u00eb, indekset, segmentimi i DB (sharding), krijimi i snapshot-eve t\u00eb gjendjes s\u00eb t\u00eb dh\u00ebnave, transaksionet ACID me mb\u00ebshtetje p\u00ebr izolimin e snapshot-eve (SSI), performanc\u00eb e lart\u00eb n\u00eb lexim dhe shkrim, optimizime p\u00ebr pun\u00eb efikase n\u00eb SSD, mb\u00ebshtetje p\u00ebr funksionim n\u00eb form\u00ebn e server\u00eb<\/a> dhe e nj\u00eb biblioteke t\u00eb integruar, mb\u00ebshtetje p\u00ebr REST API dhe prania e nj\u00eb nd\u00ebrfaqeje web p\u00ebr menaxhim. Nd\u00ebr fushat tipike t\u00eb p\u00ebrdorimit ku k\u00ebrkohen DBMS si immudb, p\u00ebrmenden p\u00ebrpunimi i transaksioneve me karta krediti, ruajtja e \u00e7el\u00ebsave publik\u00eb, certifikatave dixhitale, checksum-eve dhe log-eve, si dhe krijimi i nj\u00eb ruajtjeje t\u00eb dyfisht\u00eb p\u00ebr fushat e r\u00ebnd\u00ebsishme n\u00eb DBMS tradicionale. Jan\u00eb p\u00ebrgatitur biblioteka kliente p\u00ebr pun\u00eb me immudb p\u00ebr Go, Java, .NET, Python dhe Node.js. <\/p>\n

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