{"id":115474,"date":"2024-05-01T18:46:44","date_gmt":"2024-05-01T16:46:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-subd-mysql-8-4-0-lts"},"modified":"2024-05-01T18:46:44","modified_gmt":"2024-05-01T16:46:44","slug":"dostupna-subd-mysql-8-4-0-lts","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dostupna-subd-mysql-8-4-0-lts","title":{"rendered":"El\u00e9rhet\u0151 a MySQL 8.4.0 LTS adatb\u00e1zis-kezel\u0151 rendszer.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Az Oracle \u00faj MySQL 8.4 adatb\u00e1zis-kezel\u0151 \u00e1gat alak\u00edtott ki, \u00e9s kiadta a MySQL 8.0.37 friss\u00edt\u0151j\u00e9t. A MySQL Community Server 8.4.0 \u00f6ssze\u00e1ll\u00edt\u00e1sai minden f\u0151 Linux, FreeBSD, macOS \u00e9s Windows disztrib\u00faci\u00f3hoz el\u00e9rhet\u0151k. A 8.4.0 kiad\u00e1s a hossz\u00fa t\u00e1v\u00fa t\u00e1mogat\u00e1s\u00fa (LTS) \u00e1gak k\u00f6z\u00e9 tartozik, amelyeket k\u00e9t\u00e9vente adnak ki, \u00e9s 5 \u00e9vig t\u00e1mogatnak (plusz 3 \u00e9v kiterjesztett t\u00e1mogat\u00e1st is lehet kapni).         <\/p>\n<p>A MySQL 8.4.0 a negyedik kiad\u00e1s, amely az \u00faj kiad\u00e1sok form\u00e1z\u00e1si modell keretein bel\u00fcl k\u00e9sz\u00fclt, amely k\u00e9t t\u00edpus\u00fa MySQL \u00e1gat biztos\u00edt \u2014 \u00abInnovation\u00bb \u00e9s \u00abLTS\u00bb. Az Innovation \u00e1gak, amelyek k\u00f6z\u00e9 tartozik a MySQL 8.1, 8.2 \u00e9s 8.3, azok sz\u00e1m\u00e1ra aj\u00e1nlottak, akik kor\u00e1bban szeretn\u00e9k el\u00e9rni az \u00faj funkcionalit\u00e1st. Ezeket az \u00e1gakat h\u00e1romhavonta teszik k\u00f6zz\u00e9, \u00e9s csak a k\u00f6vetkez\u0151 jelent\u0151s kiad\u00e1s k\u00f6zz\u00e9t\u00e9tel\u00e9ig t\u00e1mogatj\u00e1k (p\u00e9ld\u00e1ul a 8.4 \u00e1g l\u00e9trej\u00f6tte ut\u00e1n a 8.3 \u00e1g t\u00e1mogat\u00e1sa megsz\u0171nik). Az LTS \u00e1gak azokhoz a telep\u00edt\u00e9sekhez aj\u00e1nlottak, amelyeknek el\u0151re l\u00e1that\u00f3 viselked\u00e9sre \u00e9s hossz\u00fa t\u00e1v\u00fa stabilit\u00e1sra van sz\u00fcks\u00e9g\u00fck. Az LTS \u00e1g ut\u00e1n egy \u00faj Innovation \u00e1gat hoznak l\u00e9tre \u2014 MySQL 9.0.        <\/p>\n<p>A MySQL 8.4 f\u0151bb v\u00e1ltoz\u00e1sai:  <\/p>\n<ul>\n<li class=\"l\"> Az optimaliz\u00e1l\u00f3hoz hozz\u00e1adt\u00e1k a hisztogramok automatikus friss\u00edt\u00e9s\u00e9nek t\u00e1mogat\u00e1s\u00e1t, f\u00fcggetlen\u00fcl az \u201eANALYZE TABLE\u201d m\u0171velet v\u00e9grehajt\u00e1s\u00e1t\u00f3l a sz\u00fcl\u0151t\u00e1bl\u00e1zat sz\u00e1m\u00e1ra. Az automatikus friss\u00edt\u00e9st az \u201eAUTO UPDATE\u201d kifejez\u00e9s megad\u00e1s\u00e1val lehet enged\u00e9lyezni az \u201eANALYZE TABLE\u201d m\u0171velet v\u00e9grehajt\u00e1sakor, m\u00edg a \u201eMANUAL UPDATE\u201d kifejez\u00e9s megad\u00e1s\u00e1val lehet letiltani, amely alap\u00e9rtelmez\u00e9s szerint haszn\u00e1latos.\n<li class=\"l\"> Hozz\u00e1adt\u00e1k a \u201e--keyring-migration-from-component\u201d, \u201e--keyring-migration-source\u201d \u00e9s \u201e--keyring-migration-destination\u201d opci\u00f3kat a keyring komponensb\u0151l keyring pluginbe val\u00f3 migr\u00e1ci\u00f3hoz.\n<li class=\"l\"> Bevezettek egy \u00faj privil\u00e9giumot, a FLUSH_PRIVILEGES-t, amely elt\u00e9r a kor\u00e1bban el\u00e9rhet\u0151 RELOAD privil\u00e9giumt\u00f3l, mivel a felhaszn\u00e1l\u00f3nak csak a \u201eFLUSH PRIVILEGES\u201d m\u0171velet v\u00e9grehajt\u00e1s\u00e1hoz biztos\u00edt jogokat.\n<li class=\"l\"> Bevezettek egy \u00faj privil\u00e9giumot, az OPTIMIZE_LOCAL_TABLE-t, amely lehet\u0151v\u00e9 teszi a felhaszn\u00e1l\u00f3 sz\u00e1m\u00e1ra az \u201eOPTIMIZE LOCAL TABLE\u201d \u00e9s \u201eOPTIMIZE NO_WRITE_TO_BINLOG TABLE\u201d m\u0171veletek v\u00e9grehajt\u00e1s\u00e1t.\n<li class=\"l\"> Megv\u00e1ltoztak a group_replication_consistency \u00e9s group_replication_exit_state_action rendszerv\u00e1ltoz\u00f3k alap\u00e9rtelmezett \u00e9rt\u00e9kei. A group_replication_consistency v\u00e1ltoz\u00f3 mostant\u00f3l BEFORE_ON_PRIMARY_FAILOVER \u00e9rt\u00e9kre van be\u00e1ll\u00edtva az EVENTUAL helyett, m\u00edg a group_replication_exit_state_action \u00e9rt\u00e9ke OFFLINE_MODE-ra v\u00e1ltozott a READ_ONLY helyett.\n<li class=\"l\"> Az OpenSSL be\u00e1gyazott k\u00f6nyvt\u00e1r\u00e1val sz\u00e1ll\u00edtott \u00f6ssze\u00e1ll\u00edt\u00e1sokban egy \u00faj OpenSSL 3.0.13 verzi\u00f3t alkalmaznak.\n<li class=\"l\"> A MySQL 5.7-r\u0151l a MySQL 8.4-re val\u00f3 k\u00f6zvetlen friss\u00edt\u00e9st le\u00e1ll\u00edtott\u00e1k. A MySQL 5.7-r\u0151l val\u00f3 \u00e1t\u00e1ll\u00e1shoz most el\u0151sz\u00f6r a 8.0 \u00e1gra kell l\u00e9pni, majd azt friss\u00edteni a 8.4-es verzi\u00f3ra.\n<li class=\"l\"> Megv\u00e1ltoztak az InnoDB k\u00f6vetkez\u0151 be\u00e1ll\u00edt\u00e1sainak alap\u00e9rtelmezett \u00e9rt\u00e9kei: innodb_adaptive_hash_index, innodb_buffer_pool_in_core_file, innodb_buffer_pool_instances, innodb_change_buffering, innodb_doublewrite_files, innodb_doublewrite_pages, innodb_flush_method, innodb_io_capacity, innodb_io_capacity_max, innodb_log_buffer_size, innodb_numa_interleave, innodb_page_cleaners, innodb_parallel_read_threads, innodb_purge_threads, innodb_read_io_threads, innodb_use_fdatasync, temptable_max_ram, temptable_max_mmap \u00e9s temptable_use_mmap.\n<li class=\"l\"> A csomagok \u00f6ssze\u00e1ll\u00edt\u00e1s\u00e1nak t\u00e1mogat\u00e1sa hozz\u00e1adva a Fedora 40 \u00e9s Ubuntu 24.04 disztrib\u00faci\u00f3khoz.\n<li class=\"l\"> Alap\u00e9rtelmez\u00e9s szerint letiltva \u00e9s elavultnak nyilv\u00e1n\u00edtva lett a mysql_native_password szerver plugin, amely jelszavakkal biztos\u00edtja az autentik\u00e1ci\u00f3t. A mysql_native_password helyett aj\u00e1nlott \u00e1tt\u00e9rni a caching_sha2_password plugin haszn\u00e1lat\u00e1ra, amely SHA2 algoritmust alkalmaz a hashel\u00e9shez a SHA1 helyett. A mysql_native_password t\u00e1mogat\u00e1s\u00e1nak vissza\u00e1ll\u00edt\u00e1s\u00e1hoz haszn\u00e1lhat\u00f3 a \u201e--mysql-native-password=ON\u201d opci\u00f3 vagy a \u201emysql_native_password=ON\u201d be\u00e1ll\u00edt\u00e1s.\n<li class=\"l\"> A nem biztons\u00e1gos protokollok \u00e9s titkos\u00edt\u00e1si algoritmusok t\u00e1mogat\u00e1s\u00e1t le\u00e1ll\u00edtott\u00e1k. Csak a TLS v1.2 \u00e9s TLSv1.3 maradtak, a k\u00f6zvetlen titkoss\u00e1got (forward secrecy) biztos\u00edt\u00f3 algoritmusok, SHA2-vel ell\u00e1tott titkos\u00edt\u00f3k \u00e9s tan\u00fas\u00edtv\u00e1nyok, valamint az AES algoritmusok GCM vagy AEAD m\u00f3dban.\n<li class=\"l\"> Az SQL kifejez\u00e9sek elt\u00e1vol\u00edtva a replik\u00e1ci\u00f3val kapcsolatban, amelyek kor\u00e1bban elavultnak lettek nyilv\u00e1n\u00edtva a politikailag nem megfelel\u0151 terminol\u00f3gia haszn\u00e1lata miatt: START SLAVE (HASZN\u00c1LJA A START REPLICA-t); STOP SLAVE (HASZN\u00c1LJA A STOP REPLICA-t); SHOW SLAVE STATUS (HASZN\u00c1LJA A SHOW REPLICA STATUS-t); SHOW SLAVE HOSTS (SHOW REPLICAS); RESET SLAVE (RESET REPLICA); CHANGE MASTER TO (CHANGE REPLICATION SOURCE TO); RESET MASTER (RESET BINARY LOGS AND GTIDS); SHOW MASTER STATUS (SHOW BINARY LOG STATUS); PURGE MASTER LOGS (PURGE BINARY LOGS); SHOW MASTER LOGS (SHOW BINARY LOGS).\n<li class=\"l\"> A kor\u00e1bban elavultnak nyilv\u00e1n\u00edtott opci\u00f3k elt\u00e1vol\u00edt\u00e1sra ker\u00fcltek, amelyek a \u201eCHANGE REPLICATION SOURCE TO\u201d \u00e9s a \u201eSTART REPLICA\u201d kifejez\u00e9sekben haszn\u00e1lt\u00e1k a \u201emaster\u201d sz\u00f3t, amelyet \u201esource\u201d-ra cser\u00e9ltek:  SOURCE_AUTO_POSITION (haszn\u00e1lja a SOURCE_AUTO_POSITION-t), SOURCE_HOST (haszn\u00e1lja a SOURCE_HOST-ot), SOURCE_BIND (haszn\u00e1lja a SOURCE_BIND-et), SOURCE_USER (SOURCE_USER), SOURCE_PASSWORD (SOURCE_PASSWORD), SOURCE_PORT (SOURCE_PORT), SOURCE_CONNECT_RETRY (SOURCE_CONNECT_RETRY), SOURCE_RETRY_COUNT (SOURCE_RETRY_COUNT), SOURCE_DELAY (SOURCE_DELAY), SOURCE_SSL (SOURCE_SSL), SOURCE_SSL_CA (SOURCE_SSL_CA), SOURCE_SSL_CAPATH (SOURCE_SSL_CAPATH), SOURCE_SSL_CIPHER (SOURCE_SSL_CIPHER), SOURCE_SSL_CRL (SOURCE_SSL_CRL), SOURCE_SSL_CRLPATH (SOURCE_SSL_CRLPATH), SOURCE_SSL_KEY (SOURCE_SSL_KEY), SOURCE_SSL_VERIFY_SERVER_CERT (SOURCE_SSL_VERIFY_SERVER_CERT), SOURCE_TLS_VERSION (SOURCE_TLS_VERSION), SOURCE_TLS_CIPHERSUITES (SOURCE_TLS_CIPHERSUITES), SOURCE_SSL_CERT (SOURCE_SSL_CERT), SOURCE_PUBLIC_KEY_PATH (SOURCE_PUBLIC_KEY_PATH), GET_SOURCE_PUBLIC_KEY (GET_SOURCE_PUBLIC_KEY), SOURCE_HEARTBEAT_PERIOD (SOURCE_HEARTBEAT_PERIOD), SOURCE_COMPRESSION_ALGORITHMS (SOURCE_COMPRESSION_ALGORITHMS), SOURCE_ZSTD_COMPRESSION_LEVEL (SOURCE_ZSTD_COMPRESSION_LEVEL), SOURCE_LOG_FILE (SOURCE_LOG_FILE), SOURCE_LOG_POS (SOURCE_LOG_POS).\n<li class=\"l\"> Elt\u00e1vol\u00edt\u00e1sra ker\u00fcltek azok a rendszerv\u00e1ltoz\u00f3k, amelyek a \u201emaster\u201d \u00e9s a \u201eslave\u201d szavakat haszn\u00e1lt\u00e1k: Com_replica_start (haszn\u00e1lja a Com_replica_start-ot); Com_replica_stop (Com_replica_stop); Com_show_replica_status (Com_show_replica_status); Com_show_replicas (Com_show_replicas); Com_show_binary_log_status (Com_show_binary_log_status); \u00e9s Com_change_replication_source (Com_change_replication_source).\n<li class=\"l\"> A group_replication_allow_local_lower_version_join rendszerv\u00e1ltoz\u00f3 elavultnak nyilv\u00e1n\u00edt\u00e1sra ker\u00fclt. Elt\u00e1vol\u00edt\u00e1sra ker\u00fcltek a kor\u00e1bban elavultnak nyilv\u00e1n\u00edtott opci\u00f3k: \u201e\u2014no-dd-upgrade\u201d, \u201e\u2014old\u201d, \u201e\u2014new\u201d, \u201e\u2014language\u201d, \u201e\u2014<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/ssl-sertifikat\/\"   title=\"ssl\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2285\">ssl<\/a>\u201e, \u201e\u2014admin-ssl\u201d \u00e9s a binlog_transaction_dependency_tracking, group_replication_recovery_complete_at, avoid_temporal_upgrade, show_old_temporals \u00e9s default_authentication_plugin v\u00e1ltoz\u00f3k.\n<li class=\"l\"> Az INFORMATION_SCHEMA.TABLESPACES nem haszn\u00e1lt t\u00e1bl\u00e1ja elt\u00e1vol\u00edtva.\n<li class=\"l\"> A LOW_PRIORITY \u00e9rt\u00e9k haszn\u00e1lat\u00e1nak t\u00e1mogat\u00e1sa a \u201eLOCK TABLES \u2026 WRITE\u201d kifejez\u00e9ssel megsz\u0171nt.\n<li class=\"l\"> Megsz\u0171nt az AUTO_INCREMENT m\u00f3dos\u00edt\u00f3 haszn\u00e1lat\u00e1nak t\u00e1mogat\u00e1sa a FLOAT \u00e9s DOUBLE t\u00edpusokkal.\n<li class=\"l\"> A mysql_ssl_rsa_setup seg\u00e9deszk\u00f6z elt\u00e1vol\u00edt\u00e1sra ker\u00fclt \u2014 OpenSSL-el val\u00f3 \u00f6sszeszerel\u00e9s eset\u00e9n. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerver\" data-wpil-keyword-link=\"linked\">szerver<\/a> A MySQL automatikusan k\u00e9pes gener\u00e1lni a hi\u00e1nyz\u00f3 SSL- \u00e9s RSA-f\u00e1jlokat ind\u00edt\u00e1skor.\n<li class=\"l\"> Elt\u00e1vol\u00edt\u00e1sra ker\u00fclt a mysql_upgrade seg\u00e9dprogram, amelyet nem haszn\u00e1lnak a MySQL 8.0.16 verzi\u00f3ban.\n<li class=\"l\"> Elt\u00e1vol\u00edt\u00e1sra ker\u00fcltek a mysqlpump, lz4_decompress \u00e9s zlib_decompress seg\u00e9dprogramok, amelyeket a mysqldump seg\u00e9dprogram vagy az interakt\u00edv shell dump parancsainak haszn\u00e1lat\u00e1val kell helyettes\u00edteni.\n<li class=\"l\"> Elt\u00e1vol\u00edt\u00e1sra ker\u00fcltek a k\u00f6vetkez\u0151 b\u0151v\u00edtm\u00e9nyek: authentication_fido, authentication_fido_client (helyette haszn\u00e1lja az authentication_webauthn-t); keyring_file (helyette haszn\u00e1lja a component_keyring_file-t); keyring_encrypted_file (helyette haszn\u00e1lja a component_keyring_encrypted_file-t); keyring_oci (helyette haszn\u00e1lja a component_keyring_oci-t).\n<li class=\"l\"> A ENGINE kifejez\u00e9s haszn\u00e1lat\u00e1nak t\u00e1mogat\u00e1sa a \u201eDROP TABLESPACE\u201d \u00e9s \u201eALTER TABLESPACE\u201d k\u00fcl\u00f6nb\u00f6z\u0151 v\u00e1ltozataival megsz\u0171nt.\n<li class=\"l\"> A \u201eSET_USER_ID\u201d jogosults\u00e1g elt\u00e1vol\u00edt\u00e1sra ker\u00fclt, amelyet m\u00e1r nem lehet megadni a GRANT kifejez\u00e9sekben.\n<li class=\"l\"> Vissza\u00e1ll\u00edtott\u00e1k az al\u00e1bbi API f\u00fcggv\u00e9nyeket: mysql_kill(), mysql_list_fields(), mysql_list_processes(), mysql_refresh(), mysql_reload(), mysql_shutdown() \u00e9s mysql_ssl_set(), melyek k\u00f6z\u00fcl egyeseket a mysql_real_query() f\u00fcggv\u00e9ny haszn\u00e1lat\u00e1val dolgoztak \u00e1t. Ezek a f\u00fcggv\u00e9nyek a MySQL 8.3 verzi\u00f3ban ker\u00fcltek elt\u00e1vol\u00edt\u00e1sra, de a MySQL 8.4 LTS \u00e1gon t\u00f6rt\u00e9n\u0151 t\u00e1mogat\u00e1s \u00e9rdek\u00e9ben vissza\u00e1ll\u00edtott\u00e1k \u0151ket.\n<li class=\"l\"> 26 t\u00e1voli kihaszn\u00e1l\u00e1sra alkalmas s\u00e9r\u00fcl\u00e9kenys\u00e9get jav\u00edtottak. A legkomolyabb probl\u00e9ma 6.5-\u00f6s szint\u0171 vesz\u00e9lyt jelent, \u00e9s az openSSL s\u00e9r\u00fcl\u00e9kenys\u00e9g\u00e9hez kapcsol\u00f3dik. A kev\u00e9sb\u00e9 vesz\u00e9lyes s\u00e9r\u00fcl\u00e9kenys\u00e9gek az optimaliz\u00e1l\u00f3t, az InnoDB-t, a Thread Poolingot, a Group Replication Plugin-t, az Audit Plugin-t, a DML-t \u00e9s a mysqldump-ot \u00e9rintik.         <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61098\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 8.4 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 MySQL 8.0.37. \u0421\u0431\u043e\u0440\u043a\u0438 MySQL Community Server 8.4.0 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 Linux, FreeBSD, macOS \u0438 Windows. \u0412\u044b\u043f\u0443\u0441\u043a 8.4.0 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u0432\u0435\u0442\u043a\u0430\u043c \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 (LTS), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0440\u0430\u0437 \u0432 \u0434\u0432\u0430 \u0433\u043e\u0434\u0430 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442\u0441\u044f 5 \u043b\u0435\u0442 (\u043f\u043b\u044e\u0441 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0435\u0449\u0451 3 \u0433\u043e\u0434\u0430 [&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-115474","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\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 8.4 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0435 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