{"id":104434,"date":"2022-06-17T09:37:01","date_gmt":"2022-06-17T07:37:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-postgresql-14-4-s-ispravleniem-povrezhdeniya-indeksov"},"modified":"2022-06-17T09:37:01","modified_gmt":"2022-06-17T07:37:01","slug":"obnovlenie-postgresql-14-4-s-ispravleniem-povrezhdeniya-indeksov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/obnovlenie-postgresql-14-4-s-ispravleniem-povrezhdeniya-indeksov","title":{"rendered":"PostgreSQL 14.4 uuendus indeksi kahjustuste parandamisega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

T\u00f6\u00f6tati v\u00e4lja parandav versioon andmebaasi PostgreSQL 14.4, kus lahendati t\u00f5sine probleem, mis teatavatel tingimustel v\u00f5ib p\u00f5hjustada m\u00e4rkamatut andmekahjustust indeksites k\u00e4su «CREATE INDEX CONCURRENTLY» ja «REINDEX CONCURRENTLY» t\u00e4itmisel. Nendes k\u00e4sudega loodud indeksites v\u00f5ivad m\u00f5ned kirjed arvesse v\u00f5tmata j\u00e4\u00e4da, mis omakorda toob kaasa, et SELECT-p\u00e4ringute t\u00e4itmisel probleemsete indeksite puhul j\u00e4etakse m\u00f5ned read vahele. <\/p>\n

B-tree indeksite kahjustuse tuvastamiseks saab kasutada k\u00e4sku «pg_amcheck —heapallindexed nimi_ \u0411\u0414». Kui tuvastatakse vigu v\u00f5i on varasemates versioonides kasutatud k\u00e4ske «CREATE INDEX CONCURRENTLY» ja «REINDEX CONCURRENTLY» teiste indeksit\u00fc\u00fcpide (GiST, GIN jne) puhul, siis soovitatakse p\u00e4rast versioonile 14.4 \u00fcleminekut teha indeksite uuesti indekseerimine utiliidiga «reindexdb —all» v\u00f5i k\u00e4suga «REINDEX CONCURRENTLY nimi_indeksi». <\/p>\n

Probleem puudutab ainult haru 14.x, kuhu on lisatud optimeerimised, mis v\u00e4listavad teatud tehingud VACUUM operatsiooni t\u00e4itmise ajal, seoses k\u00e4sudega «CREATE INDEX CONCURRENTLY» ja «REINDEX CONCURRENTLY». Kui neid optimeerimisi rakendati, siis v\u00f5ivad k\u00e4su «CONCURRENTLY» re\u017eiimis loodud indeksitesse j\u00e4\u00e4da arvesse v\u00f5tmata m\u00f5ned heap-m\u00e4lus paiknevad tupikud, mida uuendati v\u00f5i k\u00e4rbiti indeksi loomise ajal.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 PostgreSQL 14.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u043e\u0431\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430\u0445 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043d\u0435\u0437\u0430\u043c\u0435\u0442\u043d\u043e\u043c\u0443 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0438\u043d\u0434\u0435\u043a\u0441\u0430\u0445 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 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\u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 […]<\/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-104434","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 PostgreSQL 14.4 v\u00e4rskendus indeksikahjustuste parandamisega | ProHoster","description":"On v\u00e4lja antud parandav PostgreSQL andmebaasi versioon 14.4, milles on k\u00f5rvaldatud t\u00f5sine probleem, mis teatud tingimustel toob kaasa andmete m\u00e4rkamatud kahjustused indeksites k\u00e4su \"CREATE\" 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