{"id":101218,"date":"2021-09-07T22:22:36","date_gmt":"2021-09-07T20:22:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-tarantool-2-8"},"modified":"2021-09-07T22:22:36","modified_gmt":"2021-09-07T20:22:36","slug":"vypusk-subd-tarantool-2-8","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-subd-tarantool-2-8","title":{"rendered":"A Tarantool 2.8 adatb\u00e1zis-kezel\u0151 rendszer kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>El\u00e9rhet\u0151 az \u00faj Tarantool 2.8 adatb\u00e1zis-kezel\u0151 rendszer, amely folyamatos adatkezel\u00e9st biztos\u00edt az operat\u00edv mem\u00f3ri\u00e1b\u00f3l val\u00f3 inform\u00e1ci\u00f3kiad\u00e1ssal (in-memory database). Az adatb\u00e1zis-kezel\u0151 \u00f6tv\u00f6zi a k\u00e9r\u00e9sfeldolgoz\u00e1s magas sebess\u00e9g\u00e9t, ami a NoSQL rendszerekre (p\u00e9ld\u00e1ul Memcached \u00e9s Redis) jellemz\u0151, a hagyom\u00e1nyos adatb\u00e1zisok (Oracle, MySQL \u00e9s PostgreSQL) megb\u00edzhat\u00f3s\u00e1g\u00e1val. A Tarantool C nyelven \u00edr\u00f3dott, \u00e9s lehet\u0151v\u00e9 teszi t\u00e1rolt elj\u00e1r\u00e1sok l\u00e9trehoz\u00e1s\u00e1t Lua nyelven. A k\u00f3d BSD licenc alatt terjed.    <\/p>\n<p>Az adatb\u00e1zis-kezel\u0151 hat\u00e9konyan kezeli a nagy mennyis\u00e9g\u0171 adatot magas terhel\u00e9sek mellett. A Tarantool kiemelked\u0151 jellemz\u0151i k\u00f6z\u00e9 tartozik a Lua nyelven t\u00f6rt\u00e9n\u0151 kezel\u0151programok k\u00e9sz\u00edt\u00e9se (be\u00e9p\u00edtett LuaJIT), a MessagePack form\u00e1tum haszn\u00e1lata az \u00fcgyf\u00e9llel val\u00f3 adatcser\u00e9ben, k\u00e9t be\u00e9p\u00edtett motor megl\u00e9te (mem\u00f3ri\u00e1ban t\u00f6rt\u00e9n\u0151 t\u00e1rol\u00e1s, amely \u00e1lland\u00f3 t\u00e1rol\u00f3ra menthet\u0151, \u00e9s k\u00e9t szint\u0171 lemez t\u00e1rol\u00e1s LSM-f\u00e1n alapulva), m\u00e1sodlagos kulcsok t\u00e1mogat\u00e1sa, n\u00e9gy t\u00edpus\u00fa index (HASH, TREE, RTREE, BITSET), eszk\u00f6z\u00f6k szinkron \u00e9s aszinkron replik\u00e1ci\u00f3hoz master-master m\u00f3dban, a kapcsolatok hiteles\u00edt\u00e9s\u00e9nek \u00e9s a hozz\u00e1f\u00e9r\u00e9s-ellen\u0151rz\u00e9s t\u00e1mogat\u00e1sa, valamint SQL lek\u00e9rdez\u00e9sek feldolgoz\u00e1s\u00e1nak lehet\u0151s\u00e9ge.    <\/p>\n<p>F\u0151bb v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> A memtx in-memory motorban stabiliz\u00e1l\u00f3dik az MVCC (T\u00f6bbverzi\u00f3s versenykezel\u00e9s).\n<li class=\"l\"> A tranzakci\u00f3k t\u00e1mogatotts\u00e1ga az IPROTO bin\u00e1ris protokollban. Kor\u00e1bban tranzakci\u00f3hoz Lua nyelven kellett t\u00e1rolt elj\u00e1r\u00e1st \u00edrni.\n<li class=\"l\"> A szinkron replik\u00e1ci\u00f3 t\u00e1mogat\u00e1sa, amely k\u00fcl\u00f6n t\u00e1bl\u00e1khoz k\u00f6t\u0151dik.\n<li class=\"l\"> Automatikus \u00e1tv\u00e1lt\u00e1si mechanizmus a tartal\u00e9k csom\u00f3pontokra (failover) a RAFT protokoll alapj\u00e1n. A Tarantoolban m\u00e1r r\u00e9g\u00f3ta megval\u00f3sult az aszinkron WAL-alap\u00fa replik\u00e1ci\u00f3, mostant\u00f3l nem sz\u00fcks\u00e9ges manu\u00e1lisan figyelni a master csom\u00f3pontot.\n<li class=\"l\"> A master csom\u00f3ra val\u00f3 automatikus \u00e1tv\u00e1lt\u00e1s fragment\u00e1lt adatokkal (sharding) rendelkez\u0151 topol\u00f3gia eset\u00e9n is el\u00e9rhet\u0151 (a vshard k\u00f6nyvt\u00e1r haszn\u00e1lat\u00e1val, amely virtu\u00e1lis kosarak (bucket) seg\u00edts\u00e9g\u00e9vel osztja el az adatokat a szerverek k\u00f6z\u00f6tt).\n<li class=\"l\"> A Tarantool Cartridge keretrendszer fejleszt\u00e9se klaszters alkalmaz\u00e1sok \u00e9p\u00edt\u00e9se sor\u00e1n virtu\u00e1lis k\u00f6rnyezetekben. A Tarantool Cartridge most jobban kezeli a terhel\u00e9st.\n<li class=\"l\"> Az Ansible szerep felgyorsult a klaszter telep\u00edt\u00e9se sor\u00e1n 15-20-szor. \u00cdgy a nagy klaszterek kezel\u00e9se egyszer\u0171bb\u00e9 v\u00e1lt.\n<li class=\"l\"> Megjelent egy eszk\u00f6z, amely megk\u00f6nny\u00edti a migr\u00e1ci\u00f3t a r\u00e9gi verzi\u00f3kr\u00f3l &gt;1.6 \u00e9s &lt; 1.10, amely a telep\u00edt\u00e9skor el\u00e9rhet\u0151 egy tov\u00e1bbi opci\u00f3 seg\u00edts\u00e9g\u00e9vel. Kor\u00e1bban a migr\u00e1ci\u00f3t a 1.10-es k\u00f6ztes verzi\u00f3 telep\u00edt\u00e9s\u00e9vel kellett v\u00e9grehajtani.\n<li class=\"l\"> Optimaliz\u00e1lt\u00e1k a kis m\u00e9ret\u0171 tuple-ok t\u00e1rol\u00e1s\u00e1t.\n<li class=\"l\"> Az SQL t\u00e1mogatja a UUID-t, \u00e9s jav\u00edtotta a t\u00edpusok \u00e1talak\u00edt\u00e1s\u00e1t.  <\/ul>\n<p>\u00c9rdemes megjegyezni, hogy a 2.10-es verzi\u00f3t\u00f3l kezd\u0151d\u0151en \u00faj kiad\u00e1si politika l\u00e9p \u00e9letbe. A jelent\u0151s kiad\u00e1sok, amelyek megszegik a h\u00e1trafel\u00e9 kompatibilit\u00e1st, az els\u0151 verzi\u00f3sz\u00e1mot fogj\u00e1k megv\u00e1ltoztatni, az \u00e1tmeneti kiad\u00e1sok a m\u00e1sodikat, m\u00edg a jav\u00edt\u00f3 kiad\u00e1sok a harmadikat (a 2.10 ut\u00e1n a 3.0.0 verzi\u00f3 fog megjelenni).<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55754\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0421\u0423\u0411\u0414 Tarantool 2.8, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0441 \u043e\u0442\u0434\u0430\u0447\u0435\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438\u0437 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (in-memory database). \u0421\u0423\u0411\u0414 \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u0443\u044e \u0434\u043b\u044f NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, Memcached \u0438 Redis), c \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0421\u0423\u0411\u0414 (Oracle, MySQL \u0438 PostgreSQL). Tarantool \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101218","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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