{"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\/pl\/blog\/opasen-li-sql-profiler","title":{"rendered":"Czy profiler SQL jest niebezpieczny?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Niedawno z pewnym zdziwieniem dowiedzia\u0142em si\u0119, \u017ce w jednym z dzia\u0142\u00f3w ogromnej firmy, w kt\u00f3rej pracuj\u0119, zabroniono uruchamiania <b>profiler SQL<\/b> w godzinach pracy. <\/p>\n<p><img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" 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 \/>\nNie wiem, jak radz\u0105 sobie z analiz\u0105 problem\u00f3w z wydajno\u015bci\u0105, kt\u00f3re wyst\u0119puj\u0105 w\u0142a\u015bnie w godzinach pracy. Przecie\u017c widoki wydajno\u015bci cz\u0119sto nie daj\u0105 dok\u0142adnego obrazu, zw\u0142aszcza je\u015bli jedna\/dwie procedury\/zapytania spowalniaj\u0105, nie obci\u0105\u017caj\u0105c szczeg\u00f3lnie samego serwera. Male\u0144kie zapytanie, wykonywane kilka razy na godzin\u0119 i dzia\u0142aj\u0105ce 10 sekund zamiast jednej (ale wykonuj\u0105ce <i>bardzo wa\u017cne<\/i> dla klienta <i>jest bardzo stresuj\u0105ce<\/i>) z pewno\u015bci\u0105 nie trafi do widok\u00f3w DMV. A select z CROSS APPLY w tekstach zapyta\u0144 sam znacz\u0105co obci\u0105\u017ca serwer.<\/p>\n<p>Jednak interesuje mnie, sk\u0105d bierze si\u0119 ta obawa. W niekt\u00f3rych firmach <b>profiler SQL<\/b> jest narz\u0119dziem roboczym, w innych bali si\u0119 go jak ognia (przez jaki\u015b czas zajmowa\u0142em si\u0119 doradztwem i mog\u0142em por\u00f3wnywa\u0107). Jestem niemal pewien, \u017ce by\u0142o tak:<\/p>\n<p><img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/936a4e41d921c2ea233846ef13b6ccb0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Houston, mamy problem. Baza si\u0119 spowolni\u0142a. Zdiagnozuj to.<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/1b22ab07fb2ac865780a9c428106b229.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/7a55fba9306a68d3c4d1c0e73ef787af.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Ile tu jest zaznacze\u0144... Czego w\u0142a\u015bciwie potrzebuj\u0119?<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/dfba6e304f71c5e590c4f08924ab3525.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/35fb73e84c688833dfb95b435266a4e3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>Dobrze, zaznacz\u0119 wszystko i p\u00f3\u017aniej zdecyduj\u0119.<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Czy profiler SQL jest niebezpieczny?\" src=\"\/wp-content\/uploads\/2019\/03\/59202ccc117546886f2a1c116586a526.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCo zostaje w g\u0142owach senior\u00f3w? Kto\u015b to uruchomi\u0142 <b>profiler SQL<\/b> i wszystko si\u0119 zatrzyma\u0142o. A potem opowiadaj\u0105 to sobie podczas rozgrywek w golfa.<\/p>\n<p>A swoj\u0105 drog\u0105, szczeg\u00f3lnego smaku nadaje pr\u00f3ba nagrania takich \u2018<i>zapisujemy wszystko<\/i>\u2019 \u015blad\u00f3w nie do pliku, ale do bazy w tym samym czasie \u2013 raz by\u0142em \u015bwiadkiem takiego przypadku. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/server\/dts-dronten\/\"   title=\"serwerze\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2456\">serwerze<\/a> A jak u was sprawa wygl\u0105da? Prosz\u0119, we\u017a udzia\u0142 w ankiecie<\/p>\n<p>Czy mo\u017cecie uruchomi\u0107 profiler SQL na PROD?<\/p>\n<p class=\"for_users_only_msg\">Tylko zarejestrowani u\u017cytkownicy mog\u0105 bra\u0107 udzia\u0142 w ankiecie. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/auth\/login\/\">Zaloguj si\u0119<\/a><\/noindex>, prosz\u0119.<\/p>\n<h2 class=\"default-block__polling-title\">Jeste\u015bmy ma\u0142\u0105 firm\u0105, mamy to proste<\/h2>\n<ul class=\"content-list content-list_polling\">\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Administratory produkcji mog\u0105<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    Administratory produkcji mog\u0105 po zatwierdzeniach i wybijaniu czo\u0142em<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    \u015awi\u0119ty, \u015bwi\u0119ty, \u015bwi\u0119ty<\/p>\n<\/li>\n<li class=\"content-list__item content-list__item_polling\">\n<p>                    G\u0142osowa\u0142o 4 u\u017cytkownik\u00f3w. 3 u\u017cytkownik\u00f3w wstrzyma\u0142o si\u0119 od g\u0142osu.<\/p>\n<\/li>\n<\/ul>\n<p>    Niedawno z pewnym zdziwieniem dowiedzia\u0142em si\u0119, \u017ce w jednym z dzia\u0142\u00f3w ogromnej firmy, w kt\u00f3rej pracuj\u0119, zabroniono uruchamiania profilu SQL w godzinach pracy.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <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\" 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