{"id":1462,"date":"2017-03-02T11:15:22","date_gmt":"2017-03-02T03:15:22","guid":{"rendered":"http:\/\/www.821121.com\/?p=1462"},"modified":"2021-03-02T11:15:59","modified_gmt":"2021-03-02T03:15:59","slug":"1462","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1462","title":{"rendered":"Show Disk File Operations"},"content":{"rendered":"<pre><code class=\"language-sql\">SET PAGESIZE 60\nSET LINESIZE 300\nCOLUMN &quot;File Type&quot; for a20\nCOLUMN &quot;File Operation&quot; for a80\n\nselect\n    decode(p3,0 ,&#039;Other&#039;,\n              1 ,&#039;Control File&#039;,\n              2 ,&#039;Data File&#039;,\n              3 ,&#039;Log File&#039;,\n              4 ,&#039;Archive Log&#039;,\n              6 ,&#039;Temp File&#039;,\n              9 ,&#039;Data File Backup&#039;,\n              10,&#039;Data File Incremental Backup&#039;,\n              11,&#039;Archive Log Backup&#039;,\n              12,&#039;Data File Copy&#039;,\n              17,&#039;Flashback Log&#039;,\n              18,&#039;Data Pump Dump File&#039;,\n                  &#039;unknown &#039;||p3)  &quot;File Type&quot;,\n    decode(p1,1 ,&#039;file creation&#039;,\n              2 ,&#039;file open&#039;,\n              3 ,&#039;file resize&#039;,\n              4 ,&#039;file deletion&#039;,\n              5 ,&#039;file close&#039;,\n              6 ,&#039;wait for all aio requests to finish&#039;,\n              7 ,&#039;write verification&#039;,\n              8 ,&#039;wait for miscellaneous io (ftp, block dump, passwd file)&#039;,\n              9 ,&#039;read from snapshot files&#039;,\n                 &#039;unknown &#039;||p1) &quot;File Operation&quot;,\n    decode(p3,2,-1,p2) file#,\n    count(*)\nfrom dba_hist_active_sess_history\nwhere event =&#039;Disk file operations I\/O&#039;\ngroup by p1,p3,\n    decode(p3,2,-1,p2)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>SET PAGESIZE 60 SET LINES<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,48],"tags":[],"class_list":["post-1462","post","type-post","status-publish","format-standard","hentry","category-oracle-11g","category-sql"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1462"}],"version-history":[{"count":2,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1462\/revisions"}],"predecessor-version":[{"id":1464,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1462\/revisions\/1464"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1462"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}