{"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\/hu\/blog\/news\/opublikovana-subd-immudb-1-0-obespechivayushhaya-zashhitu-ot-iskazheniya-dannyh","title":{"rendered":"Megjelent az immudb 1.0 adatb\u00e1zis-kezel\u0151, amely v\u00e9delmet ny\u00fajt az adatok torzul\u00e1sa ellen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bemutat\u00e1sra ker\u00fclt az immudb 1.0 jelent\u0151s verzi\u00f3ja, amely garant\u00e1lja az adatok v\u00e1ltozatlans\u00e1g\u00e1t \u00e9s meg\u0151rz\u00e9s\u00e9t, valamint v\u00e9delmet ny\u00fajt a m\u00faltbeli m\u00f3dos\u00edt\u00e1sokkal szemben, \u00e9s lehet\u0151s\u00e9get biztos\u00edt az adatokkal val\u00f3 kriptogr\u00e1fiai tulajdonjog bizony\u00edt\u00e1s\u00e1ra. A projekt kezdetben mint egy speci\u00e1lis NoSQL t\u00e1rol\u00f3 fejl\u0151d\u00f6tt, amely kulcs\/\u00e9rt\u00e9k form\u00e1tum\u00fa adatokkal dolgozott, de az 1.0 kiad\u00e1st\u00f3l kezdve az immudb teljes \u00e9rt\u00e9k\u0171 SQL t\u00e1mogat\u00e1ssal rendelkez\u0151 adatb\u00e1zis-kezel\u0151 rendszerek\u00e9nt van pozicion\u00e1lva. A projekt k\u00f3dja Go nyelven \u00edr\u00f3dott, \u00e9s Apache 2.0 licenc alatt van terjesztve.    <\/p>\n<p>Az immudb-ben t\u00e1rolt inform\u00e1ci\u00f3k blokkl\u00e1nc-szer\u0171 strukt\u00far\u00e1val rendelkeznek, amely garant\u00e1lja a megl\u00e9v\u0151 bejegyz\u00e9sek l\u00e1nc\u00e1nak integrit\u00e1s\u00e1t, \u00e9s nem teszi lehet\u0151v\u00e9 a m\u00e1r elmentett adatok m\u00f3dos\u00edt\u00e1s\u00e1t vagy a tranzakci\u00f3s el\u0151zm\u00e9nyekbe val\u00f3 bejegyz\u00e9sek \u00e1t\u00edr\u00e1s\u00e1t \/ beilleszt\u00e9s\u00e9t. A t\u00e1rol\u00f3 csak \u00faj adatok hozz\u00e1ad\u00e1s\u00e1t t\u00e1mogatja, a m\u00e1r hozz\u00e1adott inform\u00e1ci\u00f3k t\u00f6rl\u00e9s\u00e9nek vagy m\u00f3dos\u00edt\u00e1s\u00e1nak lehet\u0151s\u00e9ge n\u00e9lk\u00fcl. A bejegyz\u00e9sek m\u00f3dos\u00edt\u00e1s\u00e1ra tett k\u00eds\u00e9rlet csak az \u00faj verzi\u00f3 l\u00e9trehoz\u00e1s\u00e1hoz vezet, a r\u00e9gi adatok nem vesznek el, \u00e9s el\u00e9rhet\u0151k maradnak a m\u00f3dos\u00edt\u00e1sok t\u00f6rt\u00e9net\u00e9ben.        <\/p>\n<p>Ezzel szemben, ellent\u00e9tben a tipikus blokkl\u00e1nc-alap\u00fa megold\u00e1sokkal, az immudb lehet\u0151v\u00e9 teszi a milli\u00f3nyi tranzakci\u00f3 m\u00e1sodpercenk\u00e9nti teljes\u00edtm\u00e9ny el\u00e9r\u00e9s\u00e9t, \u00e9s alkalmazhat\u00f3 k\u00f6nny\u0171 szolg\u00e1ltat\u00e1sok ind\u00edt\u00e1s\u00e1ra vagy a funkci\u00f3inak alkalmaz\u00e1sokba t\u00f6rt\u00e9n\u0151 k\u00f6nyvt\u00e1rform\u00e1ban val\u00f3 be\u00e1gyaz\u00e1s\u00e1ra.    <center><img decoding=\"async\" alt=\"Megjelent az immudb 1.0 adatb\u00e1zis-kezel\u0151, amely v\u00e9delmet ny\u00fajt az adatok torzul\u00e1sa ellen\" src=\"\/wp-content\/uploads\/2021\/05\/96bd04e610295ed44f2537f99d19cceb.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>A magas teljes\u00edtm\u00e9nyt az LSM (Log-structured merge-tree) fa alkalmaz\u00e1sa biztos\u00edtja a gyors hozz\u00e1f\u00e9r\u00e9s \u00e9rdek\u00e9ben az \u00e9rt\u00e9kek loggol\u00e1s\u00e1val, amely lehet\u0151v\u00e9 teszi a gyors rekordhozz\u00e1f\u00e9r\u00e9st nagy adatbeviteli intenzit\u00e1s mellett. A t\u00e1rol\u00f3 integrit\u00e1s\u00e1nak meg\u00f3v\u00e1sa \u00e9rdek\u00e9ben egy tov\u00e1bbi f\u00e1ba rendezett strukt\u00fara, a Merkle fa (Merkle Tree) is szerepet j\u00e1tszik, amelyben minden \u00e1g ellen\u0151rzi az \u00f6sszes als\u00f3bb \u00e1gat \u00e9s csom\u00f3pontot a f\u00e1s hashekkel val\u00f3 k\u00f6z\u00f6s ellen\u0151rz\u00e9s r\u00e9v\u00e9n. A v\u00e9gs\u0151 hash seg\u00edts\u00e9g\u00e9vel a felhaszn\u00e1l\u00f3 megbizonyosodhat a m\u0171veletek teljes t\u00f6rt\u00e9net\u00e9nek helyess\u00e9g\u00e9r\u0151l, valamint a DB kor\u00e1bbi \u00e1llapotainak helyess\u00e9g\u00e9r\u0151l (a friss \u00e1llapot gy\u00f6k\u00e9r ellen\u0151rz\u0151 hash-e a m\u00faltbeli \u00e1llapot figyelembev\u00e9tel\u00e9vel ker\u00fcl kisz\u00e1m\u00edt\u00e1sra).      <\/p>\n<p>Az \u00fcgyfelek \u00e9s audit\u00e1l\u00f3k kriptogr\u00e1fiai bizony\u00edt\u00e9kot kapnak az adatok birtokl\u00e1s\u00e1r\u00f3l \u00e9s integrit\u00e1s\u00e1r\u00f3l. A nyilv\u00e1nos kulcs\u00fa kriptogr\u00e1fia alkalmaz\u00e1sa nem ig\u00e9nyel bizalmat az \u00fcgyf\u00e9lt\u0151l. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-shicago\/\"   title=\"szerverhez\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2897\">szerverhez<\/a>, \u00e9s minden \u00faj kliens csatlakoz\u00e1sa az adatb\u00e1zis-kezel\u0151 rendszerhez n\u00f6veli a t\u00e1rol\u00f3 \u00e1tfog\u00f3 bizalm\u00e1t. A nyilv\u00e1nos kulcsok \u00e9s a kulcsi visszavon\u00e1si list\u00e1k az adatb\u00e1zisban ker\u00fclnek t\u00e1rol\u00e1sra, m\u00edg titkos\u00edt\u00e1si m\u0171veletek sor\u00e1n Intel SGX z\u00f3n\u00e1k haszn\u00e1lhat\u00f3k.    <\/p>\n<p>Az adatb\u00e1zis-kezel\u0151 rendszer funkci\u00f3i k\u00f6z\u00e9 tartozik az SQL t\u00e1mogat\u00e1sa, kulcs\/\u00e9rt\u00e9k t\u00e1rol\u00e1si m\u00f3d, indexek, adatb\u00e1zis szegment\u00e1l\u00e1s (sharding), adatok \u00e1llapot\u00e1nak pillanatk\u00e9peinek l\u00e9trehoz\u00e1sa, ACID tranzakci\u00f3k snapshot izol\u00e1ci\u00f3val (SSI), magas olvas\u00e1si \u00e9s \u00edr\u00e1si teljes\u00edtm\u00e9ny, optimaliz\u00e1l\u00e1s SSD meghajt\u00f3kon val\u00f3 hat\u00e9kony m\u0171k\u00f6d\u00e9shez, t\u00e1mogat\u00e1s. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-los-angeles\/\"   title=\"a szerver\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3717\">a szerver<\/a> \u00e9s be\u00e9p\u00edtett k\u00f6nyvt\u00e1r, REST API t\u00e1mogat\u00e1s \u00e9s webes fel\u00fclet az ir\u00e1ny\u00edt\u00e1shoz. Az immudb-hoz hasonl\u00f3 adatb\u00e1zis-kezel\u0151 rendszerek tipikus alkalmaz\u00e1si ter\u00fcletei k\u00f6z\u00e9 tartozik a hitelk\u00e1rty\u00e1s tranzakci\u00f3k vezet\u00e9se, nyilv\u00e1nos kulcsok, digit\u00e1lis tan\u00fas\u00edtv\u00e1nyok, ellen\u0151rz\u0151\u00f6sszegek \u00e9s napl\u00f3k t\u00e1rol\u00e1sa, valamint fontos mez\u0151k m\u00e1solatt\u00e1rol\u00e1s\u00e1nak l\u00e9trehoz\u00e1sa hagyom\u00e1nyos adatb\u00e1zis-kezel\u0151 rendszerekben. Az immudb-hoz val\u00f3 munk\u00e1hoz k\u00e9sz\u00fclt kliensk\u00f6nyvt\u00e1rak Go, Java, .NET, Python \u00e9s Node.js nyelveken \u00e9rhet\u0151k el.            <\/p>\n<p>A immudb 1.0 kiad\u00e1s\u00e1nak kulcsfontoss\u00e1g\u00fa fejleszt\u00e9sei:  <\/p>\n<ul>\n<li class=\"l\"> SQL t\u00e1mogat\u00e1s, amely lehet\u0151v\u00e9 teszi a sorok rejtett m\u00f3dos\u00edt\u00e1sainak v\u00e9delm\u00e9t.\n<li class=\"l\"> TimeTravel m\u00f3d, amely lehet\u0151v\u00e9 teszi az adatb\u00e1zis \u00e1llapot\u00e1nak \u00e1tv\u00e1lt\u00e1s\u00e1t egy adott m\u00faltbeli pillanatra. Az adatv\u00e1g\u00e1s id\u0151pontj\u00e1t ak\u00e1r egyes al-k\u00e9rd\u00e9sek szintj\u00e9n is be lehet \u00e1ll\u00edtani, ami megk\u00f6nny\u00edti a v\u00e1ltoz\u00e1sok elemz\u00e9s\u00e9t \u00e9s az adatok \u00f6sszehasonl\u00edt\u00e1s\u00e1t.\n<li class=\"l\"> A PostgreSQL kliens protokoll t\u00e1mogat\u00e1sa lehet\u0151v\u00e9 teszi a megl\u00e9v\u0151 PostgreSQL-re \u00e9p\u00fcl\u0151 alkalmaz\u00e1sok \u00e9s k\u00f6nyvt\u00e1rak haszn\u00e1lat\u00e1t az immudb-vel. Ezen k\u00edv\u00fcl a nat\u00edv kliensk\u00f6nyvt\u00e1rakon k\u00edv\u00fcl haszn\u00e1lhat\u00f3 p\u00e9ld\u00e1ul a Ruby, C, JDBC, PHP \u00e9s Perl t\u00edpus\u00fa kliensk\u00f6nyvt\u00e1rak is.\n<li class=\"l\"> Webes konzol az adatok interakt\u00edv b\u00f6ng\u00e9sz\u00e9s\u00e9hez \u00e9s az adatb\u00e1zis-kezel\u0151 rendszer adminisztr\u00e1l\u00e1s\u00e1hoz. A webes fel\u00fcleten kereszt\u00fcl lek\u00e9rdez\u00e9seket k\u00fcldhet, felhaszn\u00e1l\u00f3kat hozhat l\u00e9tre \u00e9s kezelheti az adatokat. Tov\u00e1bb\u00e1 el\u00e9rhet\u0151 egy tanul\u00e1si k\u00f6rnyezet, a Playground.  <center><img decoding=\"async\" alt=\"Megjelent az immudb 1.0 adatb\u00e1zis-kezel\u0151, amely v\u00e9delmet ny\u00fajt az adatok torzul\u00e1sa ellen\" src=\"\/wp-content\/uploads\/2021\/05\/762d3d90d6ca3a63418947d9427d1180.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Megjelent az immudb 1.0 adatb\u00e1zis-kezel\u0151, amely v\u00e9delmet ny\u00fajt az adatok torzul\u00e1sa ellen\" src=\"\/wp-content\/uploads\/2021\/05\/5b4ace3f42ef5d41650db02d6e47e4ac.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55219\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 immudb 1.0, \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u043d\u0435\u0438\u0437\u043c\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0445 \u043a\u043e\u0433\u0434\u0430-\u043b\u0438\u0431\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0437\u0430\u0434\u043d\u0438\u043c \u0447\u0438\u0441\u043b\u043e\u043c \u0438 \u0434\u0430\u044e\u0449\u0435\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0434\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u0432\u043b\u0430\u0434\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u043c\u0438. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0441\u044f \u043a\u0430\u043a \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 NoSQL-\u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435, \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u043d\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 1.0 immudb \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u0430\u044f \u0421\u0423\u0411\u0414 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 SQL. \u041a\u043e\u0434 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":100299,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d 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