{"id":30174,"date":"2019-10-31T21:33:59","date_gmt":"2019-10-31T18:33:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opasen-li-sql-profiler\/"},"modified":"2019-10-31T21:33:59","modified_gmt":"2019-10-31T18:33:59","slug":"opasen-li-sql-profiler","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/opasen-li-sql-profiler","title":{"rendered":"Kas SQL profiler on ohtlik?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Hiljuti sain m\u00f5ningase \u00fcllatusega teada, et \u00fches suure ettev\u00f5tte osakonnas, kus ma t\u00f6\u00f6tan, on SQL profilers tunnis keelatud. <b>SQL profilers<\/b> \u00e4ri tundidel. <\/p>\n<p><img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/4bec0ebe75cf08699d5abf99beccb9aa.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nMa ei tea, kuidas nad probleemide anal\u00fc\u00fcsimisel toime tulevad, mis esinevad t\u00e4pselt \u00e4ritundidel. L\u00f5ppude l\u00f5puks ei paku j\u00f5udluse vaated sageli t\u00e4pset pilti, eriti kui \u00fcks v\u00f5i kaks protseduuri\/p\u00e4ringut aeglustab, ei koormata serverit eriti. V\u00e4ike p\u00e4ring, mis toimub mitu korda tunnis ja t\u00f6\u00f6tab 10 sekundit, mitte \u00fche (aga teeb <i>v\u00e4ga olulisi<\/i> kliente <i>v\u00e4ga n\u00e4rviliseks<\/i>) ei p\u00e4\u00e4se kindlasti DMV vaadetesse. Ja select koorem CROSS APPLY p\u00e4ringute tekstide peal koormab serverit t\u00f5eliselt palju.<\/p>\n<p>Kuid mind huvitab, kust tuleb see hirm. M\u00f5nedes ettev\u00f5tetes <b>SQL profilers<\/b> on see t\u00f6\u00f6riist, teistes kardetakse seda nagu tuld (m\u00f5nda aega tegin konsultatsiooni ja sain v\u00f5rrelda). Olen peaaegu kindel, et asi oli nii:<\/p>\n<p><img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/936a4e41d921c2ea233846ef13b6ccb0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Houstoni, meil on probleem. Andmebaas aeglustab. Uuri v\u00e4lja<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/1b22ab07fb2ac865780a9c428106b229.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/7a55fba9306a68d3c4d1c0e73ef787af.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Siin on nii palju m\u00e4rgiseid\u2026 Mida ma pean?<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/dfba6e304f71c5e590c4f08924ab3525.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/35fb73e84c688833dfb95b435266a4e3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Olgu, ma panen k\u00f5ik m\u00e4rgid sisse ja siis otsustan.<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Kas SQL profiler on ohtlik?\" src=\"\/wp-content\/uploads\/2019\/03\/59202ccc117546886f2a1c116586a526.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMida j\u00e4\u00e4b meelde k\u00f5rgele juhile? Keegi k\u00e4ivitas <b>SQL profilers<\/b> ja k\u00f5ik seisis paigal. Ja seej\u00e4rel r\u00e4\u00e4givad nad sellest \u00fcksteisele golfi m\u00e4ngides.<\/p>\n<p>Muide, erilise n\u00f5tkuse annab see, kui proovida selliseid '<i>k\u00f5ik kirjutame<\/i>' j\u00e4lgimist mitte faili, vaid andmebaasi samal ajal. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/server\/dts-dronten\/\"   title=\"serveris\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2456\">serveris<\/a> \u2014 kord olin sellise juhtumi tunnistajaks.<\/p>\n<p>Kuidas teil asjad on? Palun osalege k\u00fcsitlustes<\/p>\n<p class=\"for_users_only_msg\">Ainult registreeritud kasutajad saavad k\u00fcsitluses osaleda. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Logige sisse<\/a><\/noindex>, palun.<\/p>\n<h2 class=\"default-block__polling-title\">Kas teil on lubatud k\u00e4ivitada SQL profilers PROD-is?<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Me oleme v\u00e4ike ettev\u00f5te, meil on k\u00f5ik lihtne<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Tootmisadministraatorid saavad loomulikult<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Tootmisadministratoirid saavad p\u00e4rast heakskiitu ja pead maas olema<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    P\u00fcha, p\u00fcha, p\u00fcha<\/p>\n<\/li>\n<\/ul>\n<p>    4 kasutajat h\u00e4\u00e4letasid. 3 kasutasid tagasihoidlikult.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/445004\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0434\u0430\u0432\u043d\u043e \u0441 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0443\u0434\u0438\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0443\u0437\u043d\u0430\u043b, \u0447\u0442\u043e \u0432 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u0434\u0435\u043f\u0430\u0440\u0442\u043c\u0435\u043d\u0442\u043e\u0432 \u043e\u0433\u0440\u043e\u043c\u043d\u043e\u0439 \u0444\u0438\u0440\u043c\u044b, \u0433\u0434\u0435 \u044f \u0440\u0430\u0431\u043e\u0442\u0430\u044e, \u0437\u0430\u043f\u0440\u0435\u0449\u0435\u043d \u0437\u0430\u043f\u0443\u0441\u043a SQL profiler \u0432 business hours. \u041d\u0435 \u0437\u043d\u0430\u044e, \u043a\u0430\u043a \u043e\u043d\u0438 \u0432\u044b\u043a\u0440\u0443\u0447\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e, \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u043a\u0430\u043a \u0440\u0430\u0437 \u0432 \u0431\u0438\u0437\u043d\u0435\u0441 \u0447\u0430\u0441\u044b. \u0412\u0435\u0434\u044c performance views \u0447\u0430\u0441\u0442\u043e \u043d\u0435 \u0434\u0430\u044e\u0442 \u0442\u043e\u0447\u043d\u043e\u0439 \u043a\u0430\u0440\u0442\u0438\u043d\u044b, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0435\u0441\u043b\u0438 \u0442\u043e\u0440\u043c\u043e\u0437\u0438\u0442 \u043e\u0434\u043d\u0430\/\u0434\u0432\u0435 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b\/\u043a\u0432\u0435\u0440\u0438, \u043d\u0435 \u043d\u0430\u0433\u0440\u0443\u0436\u0430\u044f \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0441\u0430\u043c [&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":[10],"tags":[],"class_list":["post-30174","post","type-post","status-publish","format-standard","hentry","category-blog"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0435\u0434\u0430\u0432\u043d\u043e \u0441 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0443\u0434\u0438\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0443\u0437\u043d\u0430\u043b, \u0447\u0442\u043e \u0432 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u0434\u0435\u043f\u0430\u0440\u0442\u043c\u0435\u043d\u0442\u043e\u0432 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