{"id":186,"date":"2008-11-11T15:00:45","date_gmt":"2008-11-11T11:00:45","guid":{"rendered":"http:\/\/www.unixpin.com\/wordpress\/?p=186"},"modified":"2009-07-23T14:39:39","modified_gmt":"2009-07-23T10:39:39","slug":"oracle-max-io","status":"publish","type":"post","link":"https:\/\/www.unixpin.com\/?p=186","title":{"rendered":"\u041a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u0435\u0441\u0441\u0438\u0438 \u0441 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0438\u043c \u0432\u0432\u043e\u0434\u043e\u043c-\u0432\u044b\u0432\u043e\u0434\u043e\u043c \u0432 Oracle?"},"content":{"rendered":"<p>Update: \u0441\u043c\u043e\u0442\u0440\u0438 \u0442\u0430\u043a\u0436\u0435 \u0441\u0442\u0430\u0442\u044c\u044e <a href=\"https:\/\/www.unixpin.com\/2009\/07\/23\/max-io-vxvm\/\">\u0421\u0430\u043c\u044b\u0435 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0435 \u0442\u043e\u043c\u0430 \u0432 vxvm<\/a><\/p>\n<p>\u041a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 &#171;\u0442\u044f\u0436\u0435\u043b\u044b\u0435&#187; \u0441\u0435c\u0441\u0438\u0438 \u043f\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430 \u0432 Oracle? \u0418\u043b\u0438 \u043a\u0430\u043a\u0438\u0435 \u0438\u0437 \u0444\u0430\u0439\u043b\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u043c\u0435\u044e\u0442 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0443\u044e \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443?<br \/>\n\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e sql \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043c\u043e\u0433\u0443\u0442 \u0432\u044b\u044f\u0441\u043d\u0438\u0442\u044c \u044d\u0442\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443:<\/p>\n<p><strong>\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0447\u0442\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u0435\u0441\u0441\u0438\u044f\u043c:<\/strong><br \/>\n<code>select SID, BLOCK_GETS, PHYSICAL_READS, PHYSICAL_WRITES, BLOCK_CHANGES  from V$SESS_IO order by  PHYSICAL_READS;<\/code><br \/>\n<code><br \/>\nselect a.USERNAME, b.PHYSICAL_READS, c.SQL_TEXT  from V$SESSION a, V$SESS_IO b , V$SQL c where a.SQL_ADDRESS=c.ADDRESS and b.SID=a.SID order by PHYSICAL_READS;<\/code><br \/>\n<!--more--><br \/>\n<strong>\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u043f\u043e \u0441\u0435\u0441\u0441\u0438\u044f\u043c:<\/strong><br \/>\n<code>select SID, BLOCK_GETS, PHYSICAL_READS, PHYSICAL_WRITES, BLOCK_CHANGES  from V$SESS_IO order by  PHYSICAL_WRITES;<\/code><\/p>\n<p><code>select a.USERNAME, b.PHYSICAL_WRITES, c.SQL_TEXT  from V$SESSION a, V$SESS_IO b , V$SQL c where a.SQL_ADDRESS=c.ADDRESS and b.SID=a.SID order by PHYSICAL_WRITES;<\/code><\/p>\n<p><strong>\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430 \u043d\u0430 <a href=\"https:\/\/www.unixpin.com\/2009\/07\/23\/max-io-vxvm\/\">\u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u0430\u0445 \u0434\u0430\u043d\u043d\u044b\u0445<\/a><\/strong>:<br \/>\n<code>select a.name,b.PHYRDS,b.PHYWRTS,b.PHYBLKRD,b.PHYBLKWRT,b.SINGLEBLKRDS,b.READTIM,b.WRITETIM, b.SINGLEBLKRDTIM from v$datafile a,v$filestat b where a.file#=b.file# order by PHYRDS<\/code><\/p>\n<p>\u041a\u0430\u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u044c\u044f?<br \/>\n\u041d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u041e\u0440\u0430\u043a\u043b\u0430:<\/p>\n<ul>\n<li>\u043f\u0440\u0438\u0431\u0438\u0442\u044c \u0441\u0430\u043c\u044b\u0435 \u0442\u044f\u0436\u0435\u043b\u044b\u0435 \u0441\u0435\u0441\u0438\u0438<\/li>\n<li>\u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b<\/li>\n<li>\u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0438\u043d\u0434\u0435\u043a\u0441\u044b<\/li>\n<li>\n\u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u0436\u0434\u0443 \u043d\u0438\u043c\u0438<\/li>\n<\/ul>\n<p>\u041d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u041e\u0421:<\/p>\n<ul>\n<li>\u0420\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u0440\u0430\u0437\u043d\u044b\u0435 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 (\u0434\u0438\u0441\u043a\u0438 \u0438\u043b\u0438 \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0435 \u043c\u0430\u0441\u0441\u0438\u0432\u044b)<\/li>\n<li>\u0421\u0434\u0435\u043b\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u0439\u043f \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432<\/li>\n<li>\u041f\u0435\u0440\u0435\u043d\u0435\u0441\u0442\u0438 \u0447\u0430\u0441\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0435 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u0430<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Update: \u0441\u043c\u043e\u0442\u0440\u0438 \u0442\u0430\u043a\u0436\u0435 \u0441\u0442\u0430\u0442\u044c\u044e \u0421\u0430\u043c\u044b\u0435 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0435 \u0442\u043e\u043c\u0430 \u0432 vxvm \u041a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 &#171;\u0442\u044f\u0436\u0435\u043b\u044b\u0435&#187; \u0441\u0435c\u0441\u0438\u0438 \u043f\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430 \u0432 Oracle? \u0418\u043b\u0438 \u043a\u0430\u043a\u0438\u0435 \u0438\u0437 \u0444\u0430\u0439\u043b\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u043c\u0435\u044e\u0442 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0443\u044e \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443? \u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e sql \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043c\u043e\u0433\u0443\u0442 \u0432\u044b\u044f\u0441\u043d\u0438\u0442\u044c \u044d\u0442\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443: \u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0447\u0442\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u0435\u0441\u0441\u0438\u044f\u043c: select SID, BLOCK_GETS, PHYSICAL_READS, PHYSICAL_WRITES, BLOCK_CHANGES from V$SESS_IO order by PHYSICAL_READS; select a.USERNAME, b.PHYSICAL_READS, c.SQL_TEXT from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91],"tags":[200,89,206,207,209,147,197,198,194,195,205,202,201,203,208,199,204,196],"class_list":["post-186","post","type-post","status-publish","format-standard","hentry","category-oracle-rdbms","tag-io","tag-oracle","tag-order","tag-script","tag-sql","tag-147","tag-197","tag-198","tag-194","tag-195","tag-205","tag-202","tag-201","tag-203","tag-208","tag-199","tag-204","tag-196"],"_links":{"self":[{"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/posts\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=186"}],"version-history":[{"count":7,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/posts\/186\/revisions"}],"predecessor-version":[{"id":483,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=\/wp\/v2\/posts\/186\/revisions\/483"}],"wp:attachment":[{"href":"https:\/\/www.unixpin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unixpin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}