{"id":3002,"date":"2023-04-27T13:51:12","date_gmt":"2023-04-27T05:51:12","guid":{"rendered":"http:\/\/dba.qishuo.xin\/?p=3002"},"modified":"2023-04-27T13:51:12","modified_gmt":"2023-04-27T05:51:12","slug":"vactive_session_history%e4%b8%8edba_hist_active_sess_history%e5%b7%ae%e5%bc%82","status":"publish","type":"post","link":"http:\/\/dba.qishuo.xin\/?p=3002","title":{"rendered":"v$active_session_history\u4e0edba_hist_active_sess_history\u5dee\u5f02"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-6a020b8f19a46\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a020b8f19a46\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/dba.qishuo.xin\/?p=3002\/#1_gvactive_session_history_%E6%B4%BB%E5%8A%A8session%E5%8E%86%E5%8F%B2%E4%BF%A1%E6%81%AF%E8%AE%B0%E5%BD%95%E2%80%94%E2%80%94ASH\" >1. (g)v$active_session_history (\u6d3b\u52a8session\u5386\u53f2\u4fe1\u606f\u8bb0\u5f55\u2014\u2014ASH)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/dba.qishuo.xin\/?p=3002\/#2_dba_hist_active_sess_history%E4%BF%9D%E7%95%99%E6%B4%BB%E5%8A%A8%E5%8E%86%E5%8F%B2%E4%BC%9A%E8%AF%9D%E7%9A%84%E9%87%87%E9%9B%86%E4%BF%A1%E6%81%AF\" >2. dba_hist_active_sess_history(\u4fdd\u7559\u6d3b\u52a8\u5386\u53f2\u4f1a\u8bdd\u7684\u91c7\u96c6\u4fe1\u606f)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/dba.qishuo.xin\/?p=3002\/#3_%E9%80%9A%E8%BF%87%E4%B8%A4%E4%B8%AA%E8%A7%86%E5%9B%BE%E8%A7%A3%E5%86%B3%E7%9A%84%E4%B8%80%E4%BA%9B%E9%97%AE%E9%A2%98\" >3. \u901a\u8fc7\u4e24\u4e2a\u89c6\u56fe\u89e3\u51b3\u7684\u4e00\u4e9b\u95ee\u9898<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/dba.qishuo.xin\/?p=3002\/#31_%E6%9F%A5%E8%AF%A2%E8%A2%AB%E9%98%BB%E5%A1%9E%E4%BC%9A%E8%AF%9D%E8%AF%95%E5%9B%BE%E8%AE%BF%E9%97%AE%E7%9A%84%E5%AF%B9%E8%B1%A1\" >3.1. \u67e5\u8be2\u88ab\u963b\u585e\u4f1a\u8bdd\u8bd5\u56fe\u8bbf\u95ee\u7684\u5bf9\u8c61<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"1_gvactive_session_history_%E6%B4%BB%E5%8A%A8session%E5%8E%86%E5%8F%B2%E4%BF%A1%E6%81%AF%E8%AE%B0%E5%BD%95%E2%80%94%E2%80%94ASH\"><\/span>1. (g)v$active_session_history (\u6d3b\u52a8session\u5386\u53f2\u4fe1\u606f\u8bb0\u5f55\u2014\u2014ASH)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><code>V$ACTIVE_SESSION_HISTORY<\/code> \u663e\u793a\u6570\u636e\u5e93\u4e2d\u7684\u91c7\u6837\u4f1a\u8bdd\u6d3b\u52a8\u3002\u5b83\u5305\u542b\u6bcf\u79d2\u6267\u884c\u4e00\u6b21\u7684\u6d3b\u52a8\u6570\u636e\u5e93\u4f1a\u8bdd\u7684\u5feb\u7167\uff08\u9694\u65f6\u95f4\u7531 <code>_ash_sampling_interval=1000<\/code> \u53c2\u6570\u786e\u5b9a\uff09\u3002\u5982\u679c\u6570\u636e\u5e93\u4f1a\u8bdd\u5728CPU\u4e0a\u6216\u6b63\u5728\u7b49\u5f85\u4e0d\u5c5e\u4e8eIdlewait\u7c7b\u7684\u4e8b\u4ef6\uff0c\u5219\u8ba4\u4e3a\u8be5\u6570\u636e\u5e93\u4f1a\u8bdd\u662f\u6d3b\u52a8\u7684\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u6d3b\u52a8\u7684session,\u6bcf\u6b21\u91c7\u6837\u4f1a\u8bb0\u5f55\u4e00\u884c,\u5e76\u4fdd\u5b58\u5728ASH buffer\u4e2d\uff0c\u91cd\u542f\u5219\u4f1a\u6d88\u5931\uff0c\u7528\u505aash\u62a5\u8868\u3002<\/p>\n<p><span style='color:red'>Active sessions are sampled every second and are stored in a circular buffer in SGA. Any session that is connected to the database and is waiting for an event that does not belong to the Idle wait class is considered as an active session. This includes any session that was on the CPU at the time of sampling.<\/span> \uff08<strong>\u6bcf\u79d2\u5bf9\u6d3b\u52a8\u4f1a\u8bdd\u8fdb\u884c\u91c7\u6837\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728SGA\u7684\u5faa\u73af\u7f13\u51b2\u533a\u4e2d\u3002\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5e76\u6b63\u5728\u7b49\u5f85\u4e0d\u5c5e\u4e8e\u7a7a\u95f2\u7b49\u5f85\u7c7b\u7684\u4e8b\u4ef6\u7684\u4efb\u4f55\u4f1a\u8bdd\u90fd\u88ab\u89c6\u4e3a\u6d3b\u52a8\u4f1a\u8bdd\uff0c\u8fd9\u5305\u62ec\u91c7\u6837\u65f6\u5728CPU\u4e0a\u7684\u4efb\u4f55\u4f1a\u8bdd\u3002<\/strong>\uff09<\/p>\n<p><span style='color:red'>Each session sample is a set of rows and the V$ACTIVE_SESSION_HISTORY view returns one row for each active session per sample, returning the latest session sample rows first. Because the active session samples are stored in a circular buffer in SGA, the greater the system activity, the smaller the number of seconds of session activity that can be stored in the circular buffer. This means that the duration for which a session sample appears in the V$ view, or the number of seconds of session activity that is displayed in the V$ view, is completely dependent on the database activity.<\/span>(<strong>\u6bcf\u4e2a\u4f1a\u8bdd\u6837\u672c\u90fd\u662f\u4e00\u7ec4\u884c\uff0c<code>V$ACTIVE_SESSION_HISTORY<\/code>\u89c6\u56fe\u4e3a\u6bcf\u4e2a\u6837\u672c\u7684\u6bcf\u4e2a\u6d3b\u52a8\u4f1a\u8bdd\u8fd4\u56de\u4e00\u884c\uff0c\u9996\u5148\u8fd4\u56de\u6700\u65b0\u7684\u4f1a\u8bdd\u6837\u672c\u884c\u3002\u7531\u4e8e\u6d3b\u52a8\u4f1a\u8bdd\u6837\u672c\u5b58\u50a8\u5728SGA\u4e2d\u7684\u5faa\u73af\u7f13\u51b2\u533a\u4e2d\uff0c\u56e0\u6b64\u7cfb\u7edf\u6d3b\u52a8\u8d8a\u5927\uff0c\u53ef\u5b58\u50a8\u5728\u5faa\u73af\u7f13\u51b2\u533a\u4e2d\u7684\u4f1a\u8bdd\u6d3b\u52a8\u79d2\u6570\u5c31\u8d8a\u5c0f\u3002\u8fd9\u610f\u5473\u7740\u4f1a\u8bdd\u6837\u672c\u5728V$\u89c6\u56fe\u4e2d\u663e\u793a\u7684\u6301\u7eed\u65f6\u95f4\u6216\u5728V$\u89c6\u56fe\u4e2d\u663e\u793a\u7684\u4f1a\u8bdd\u6d3b\u52a8\u7684\u79d2\u6570\u5b8c\u5168\u53d6\u51b3\u4e8e\u6570\u636e\u5e93\u6d3b\u52a8\u3002<\/strong>)<\/p>\n<p><span style='color:red'>As part of the Automatic Workload Repository (AWR) snapshots, the content of V$ACTIVE_SESSION_HISTORY is also flushed to disk. Because the content of this V$ view can get quite large during heavy system activity, only a portion of the session samples is written to disk.<\/span>(<strong>\u4f5c\u4e3a\u81ea\u52a8\u5de5\u4f5c\u8d1f\u8f7d\u5b58\u50a8\u5e93(AWR)\u5feb\u7167\u7684\u4e00\u90e8\u5206\uff0c<code>V$ACTIVE_SESSION_HISTORY<\/code>\u7684\u5185\u5bb9\u4e5f\u4f1a\u5237\u65b0\u5230\u78c1\u76d8\u3002\u7531\u4e8e\u5728\u7e41\u91cd\u7684\u7cfb\u7edf\u6d3b\u52a8\u671f\u95f4\uff0c\u6b64\u89c6\u56fe\u7684\u5185\u5bb9\u53ef\u80fd\u4f1a\u53d8\u5f97\u975e\u5e38\u5927\uff0c\u56e0\u6b64\u53ea\u6709\u4e00\u90e8\u5206\u4f1a\u8bdd\u793a\u4f8b\u88ab\u5199\u5165\u78c1\u76d8\u3002<\/strong>)<\/p>\n<pre><code class=\"language-sql\">SELECT *\n  FROM gv$active_session_history t\n WHERE t.inst_id = &amp;instance_Id\n   AND t.session = &amp;session_Id\n   AND t.sample_time &gt;= to_date(&#039;&amp;start_Time&#039;,&#039;yyyy-MM-dd hh24:mi:ss&#039;)\n   AND t.sample_time &lt;  to_date(&#039;&amp;end_Time&#039;,&#039;yyyy-MM-dd hh24:mi:ss&#039;)\n ORDER BY t.sample_time;<\/code><\/pre>\n<p><a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2023\/04\/image-1682563264640.png\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2023\/04\/image-1682563264640.png\" alt=\"file\" \/><\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_dba_hist_active_sess_history%E4%BF%9D%E7%95%99%E6%B4%BB%E5%8A%A8%E5%8E%86%E5%8F%B2%E4%BC%9A%E8%AF%9D%E7%9A%84%E9%87%87%E9%9B%86%E4%BF%A1%E6%81%AF\"><\/span>2. dba_hist_active_sess_history(\u4fdd\u7559\u6d3b\u52a8\u5386\u53f2\u4f1a\u8bdd\u7684\u91c7\u96c6\u4fe1\u606f)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><code>dba_hist_active_sess_history<\/code> \u4e2d\u6570\u636e\u901a\u8fc7\u5feb\u7167\u751f\u6210\u3002\u5feb\u7167\u4e2d\u7684\u8bb0\u5f55\u4ece<code>v$active_session_history<\/code> \u4e2d\u62bd\u53d6\uff0c\u62bd\u53d6\u6761\u4ef6\u662f\u95f4\u969410\u79d2\u4e14\u76f8\u540c\u7684<code>stample_time<\/code>\u8bb0\u5f55\uff0c\u5e76\u4e14\u6301\u4e45\u5316\u4fdd\u5b58,\u7528\u505aawr\u62a5\u8868\u3002<\/p>\n<p>\u8981\u77e5\u9053ASH\u4fe1\u606f\u6700\u7ec8\u90fd\u662f\u8981\u5199\u5165AWR\u7684,<code>v$active_seesion_history<\/code> \u7684\u91c7\u6837\u6570\u636e\u7684\u767e\u5206\u4e4b10\u4f1a\u88ab\u5199\u5165\u78c1\u76d8(\u5199\u5165\u6bd4\u4f8b\u7531\u9690\u85cf\u53c2\u6570<code>_ash_disk_filter_ratio<\/code>\u63a7\u5236),\u8bb0\u5f55\u5728 AWR \u7684\u57fa\u7840\u8868<code>WRH$ _ACTIVE_SESSION_HISTORY<\/code>\u4e2d,\u5176\u5199\u5165\u9891\u7387\u4e3a<code>ASH buffer<\/code>\u5199\u6ee1\u5373\u5199\u5165\u78c1\u76d8,\u800c<code>dba_hist_active_sess_history<\/code>\u89c6\u56fe\u662f<code>WRH$_ACTIVE_SESSION_HISTORY<\/code>\u89c6\u56fe\u548c\u5176\u4ed6\u51e0\u4e2a\u89c6\u56fe\u7684\u8054\u5408\u5c55\u73b0\u3002<\/p>\n<pre><code class=\"language-sql\">SELECT *\n  FROM dba_hist_active_sess_history t\n WHERE t.sample_time &gt;= to_date(&#039;&amp;start_Time&#039;,&#039;yyyy-MM-dd hh24:mi:ss&#039;)\n   AND t.sample_time &lt;  to_date(&#039;&amp;end_Time&#039;,&#039;yyyy-MM-dd hh24:mi:ss&#039;)\n   AND t.instance_number = &amp;instance_Id\n   AND t.session_id = &amp;session_Id\n ORDER BY t.sample_time;<\/code><\/pre>\n<p><a href=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2023\/04\/image-1682563384744.png\" data-fancybox=\"images\" data-fancybox=\"images\"><img decoding=\"async\" src=\"http:\/\/dba.qishuo.xin\/wp-content\/uploads\/2023\/04\/image-1682563384744.png\" alt=\"file\" \/><\/a><\/p>\n<ul>\n<li>\u5b57\u6bb5<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u5b57\u6bb5<\/th>\n<th style=\"text-align: left;\">\u6570\u636e\u7c7b\u578b<\/th>\n<th style=\"text-align: left;\">\u7a7a\u503c<\/th>\n<th style=\"text-align: left;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">SNAP_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u552f\u4e00\u5feb\u7167ID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DBID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u5feb\u7167\u7684\u6570\u636e\u5e93ID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">INSTANCE_NUMBER<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u5feb\u7167\u7684\u5b9e\u4f8b\u7f16\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SAMPLE_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u6837\u672c\u7684ID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SAMPLE_TIME<\/td>\n<td style=\"text-align: left;\">TIMESTAMP(3)<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u6837\u672c\u7684\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SESSION_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\">NOT NULL<\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SESSION_SERIAL#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u5e8f\u5217\u53f7\uff08\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u4f1a\u8bdd\u7684\u5bf9\u8c61\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SESSION_TYPE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(10)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u7c7b\u578b\uff1aFOREGROUND\u3001BACKGROUND<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">FLAGS<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4fdd\u7559\u4f9b\u5c06\u6765\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">USER_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">Oracle\u7528\u6237\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_ID<\/td>\n<td style=\"text-align: left;\">VARCHAR2(13)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684SQL\u8bed\u53e5\u7684SQL\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IS_SQLID_CURRENT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793aSQL_ID\u5217\u4e2d\u7684SQL\u6807\u8bc6\u7b26\u662f\u5426\u6b63\u5728\u6267\u884c\uff08Y\uff09\u6216\u4e0d\u6267\u884c\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_CHILD_NUMBER<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684SQL\u8bed\u53e5\u7684\u5b50\u7f16\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_OPCODE<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793aSQL\u8bed\u53e5\u7684\u64cd\u4f5c\u9636\u6bb5<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_OPNAME<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">SQL\u547d\u4ee4\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">FORCE_MATCHING_SIGNATURE<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">CURSOR_SHARING\u53c2\u6570\u8bbe\u7f6e\u4e3a\u65f6\u4f7f\u7528\u7684\u7b7e\u540dFORCE<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TOP_LEVEL_SQL_ID<\/td>\n<td style=\"text-align: left;\">VARCHAR2(13)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u9876\u7ea7SQL\u8bed\u53e5\u7684SQL\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TOP_LEVEL_SQL_OPCODE<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u9876\u7ea7SQL\u8bed\u53e5\u6240\u5904\u7684\u64cd\u4f5c\u9636\u6bb5<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_PLAN_HASH_VALUE<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6e38\u6807\u7684SQL\u8ba1\u5212\u7684\u6570\u5b57\u8868\u793a<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_PLAN_LINE_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">SQL\u8ba1\u5212\u884cID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_PLAN_OPERATION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u8ba1\u5212\u64cd\u4f5c\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_PLAN_OPTIONS<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u8ba1\u5212\u64cd\u4f5c\u9009\u9879<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_EXEC_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">SQL\u6267\u884c\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SQL_EXEC_START<\/td>\n<td style=\"text-align: left;\">DATE<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">SQL\u6267\u884c\u5f00\u59cb\u7684\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PLSQL_ENTRY_OBJECT_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5806\u6808\u4e0a\u6700\u9876\u5c42PL \/ SQL\u5b50\u7a0b\u5e8f\u7684\u5bf9\u8c61ID\uff08\u5982\u679c\u5806\u6808\u4e0a\u6ca1\u6709PL \/ SQL\u5b50\u7a0b\u5e8f\uff0c\u5219\u4e3aNULL\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PLSQL_ENTRY_SUBPROGRAM_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5806\u6808\u4e0a\u6700\u9876\u5c42PL \/ SQL\u5b50\u7a0b\u5e8f\u7684\u5b50\u7a0b\u5e8fID\uff08\u5982\u679c\u5806\u6808\u4e0a\u6ca1\u6709PL \/ SQL\u5b50\u7a0b\u5e8f\uff0c\u5219\u4e3aNULL\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PLSQL_OBJECT_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684PL \/ SQL\u5b50\u7a0b\u5e8f\u7684\u5bf9\u8c61ID\uff08\u5982\u679c\u6267\u884cSQL\uff0c\u5219\u4e3aNULL\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PLSQL_SUBPROGRAM_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684PL \/ SQL\u5bf9\u8c61\u7684\u5b50\u7a0b\u5e8fID\uff08\u5982\u679c\u6267\u884cSQL\uff0c\u5219\u4e3aNULL\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">QC_INSTANCE_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u67e5\u8be2\u534f\u8c03\u5668\u5b9e\u4f8bID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">QC_SESSION_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u67e5\u8be2\u534f\u8c03\u5668\u4f1a\u8bddID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">QC_SESSION_SERIAL#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u67e5\u8be2\u534f\u8c03\u5668\u4f1a\u8bdd\u5e8f\u5217\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PX_FLAGS<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4fdd\u7559\u4f9b\u5185\u90e8\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">EVENT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5982\u679cSESSION_STATE = WAITING\uff0c\u90a3\u4e48\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u7b49\u5f85\u7684\u4e8b\u4ef6\u3002\u5982\u679cSESSION_STATE = ON CPU\uff0c\u5219\u6b64\u5217\u5c06\u4e3aNULL<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">EVENT_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u6b63\u5728\u7b49\u5f85\u6216\u4f1a\u8bdd\u6700\u540e\u7b49\u5f85\u7684\u8d44\u6e90\u6216\u4e8b\u4ef6\u7684\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SEQ#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u552f\u4e00\u6807\u8bc6\u7b49\u5f85\u7684\u5e8f\u5217\u53f7\uff08\u6bcf\u4e2a\u7b49\u5f85\u589e\u52a0\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P1TEXT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e00\u4e2a\u9644\u52a0\u53c2\u6570\u7684\u6587\u672c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P1<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e00\u4e2a\u9644\u52a0\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P2TEXT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e8c\u4e2a\u9644\u52a0\u53c2\u6570\u7684\u6587\u672c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P2<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e8c\u4e2a\u9644\u52a0\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P3TEXT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e09\u4e2a\u9644\u52a0\u53c2\u6570\u7684\u6587\u672c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">P3<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b2c\u4e09\u4e2a\u9644\u52a0\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">WAIT_CLASS<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b49\u5f85\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u7b49\u5f85\u7684\u4e8b\u4ef6\u7684\u7c7b\u540d\u3002\u89e3\u91ca\u7c7b\u4f3c\u4e8eEVENT\u4e13\u680f\u3002\u5730\u56fe\u5230V$SESSION.WAIT_CLASS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">WAIT_CLASS_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7b49\u5f85\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u7b49\u5f85\u7684\u4e8b\u4ef6\u7684\u7c7b\u6807\u8bc6\u7b26\u3002\u89e3\u91ca\u7c7b\u4f3c\u4e8eEVENT\u4e13\u680f\u3002\u5730\u56fe\u5230V$SESSION.WAIT_CLASS_ID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">WAIT_TIME<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u6700\u540e\u7b49\u5f85\u7684\u4e8b\u4ef6\u7684\u603b\u7b49\u5f85\u65f6\u95f4\uff08\u4ee5\u5fae\u79d2\u4e3a\u5355\u4f4d\uff09\uff080\u5982\u679c\u5f53\u524d\u6b63\u5728\u7b49\u5f85\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SESSION_STATE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(7)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u72b6\u6001\uff1aWAITING\u3001ON CPU<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TIME_WAITED<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5f53\u524d\u4f1a\u8bdd\u5b9e\u9645\u82b1\u8d39\u5728\u7b49\u5f85\u4e8b\u4ef6\u4e0a\u7684\u65f6\u95f4\uff08\u4ee5\u5fae\u79d2\u4e3a\u5355\u4f4d\uff09\u3002\u6b64\u5217\u8bbe\u7f6e\u4e3a\u91c7\u6837\u65f6\u6b63\u5728\u8fdb\u884c\u7684\u7b49\u5f85\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">BLOCKING_SESSION_STATUS<\/td>\n<td style=\"text-align: left;\">VARCHAR2(11)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u963b\u6b62\u4f1a\u8bdd\u7684\u72b6\u6001\uff1aVALID\u3001NO HOLDER\u3001GLOBAL\u3001NOT IN WAIT\u3001UNKNOWN<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">BLOCKING_SESSION<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u963b\u585e\u4f1a\u8bdd\u7684\u4f1a\u8bdd\u6807\u8bc6\u7b26\u3002\u4ec5\u5728\u4f1a\u8bdd\u7b49\u5f85\u961f\u5217\u6216\u201c\u7f13\u51b2\u533a\u5fd9\u201d\u7b49\u5f85\u65f6\u586b\u5145\u3002\u5730\u56fe\u5230V$SESSION.BLOCKING_SESSION<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">BLOCKING_SESSION_SERIAL#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u963b\u6b62\u4f1a\u8bdd\u7684\u5e8f\u5217\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">BLOCKING_INST_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u663e\u793a\u7684\u963b\u6b62\u7a0b\u5e8f\u7684\u5b9e\u4f8b\u7f16\u53f7BLOCKING_SESSION<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">BLOCKING_HANGCHAIN_INFO<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u6709\u5173\u7684\u4fe1\u606fBLOCKING_SESSION\u662f\u6765\u81ea\u6302\u8d77\u94fe\uff08Y\uff09\u8fd8\u662f\u4e0d\u6765\u81ea\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CURRENT_OBJ#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u5f53\u524d\u5f15\u7528\u7684\u5bf9\u8c61\u7684\u5bf9\u8c61ID\u3002\u4ec5\u5f53\u4f1a\u8bdd\u6b63\u5728\u7b49\u5f85\u5e94\u7528\u7a0b\u5e8f\uff0c\u7fa4\u96c6\uff0c\u5e76\u53d1\u548c\u7528\u6237I \/ O\u7b49\u5f85\u4e8b\u4ef6\u65f6\uff0c\u6b64\u4fe1\u606f\u624d\u53ef\u7528\u3002\u5730\u56fe\u5230V$SESSION.ROW_WAIT_OBJ#<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CURRENT_FILE#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5305\u542b\u4f1a\u8bdd\u5f53\u524d\u5f15\u7528\u7684\u5757\u7684\u6587\u4ef6\u7684\u6587\u4ef6\u53f7\u3002\u4ec5\u5f53\u4f1a\u8bdd\u6b63\u5728\u7b49\u5f85\u7fa4\u96c6\uff0c\u5e76\u53d1\u548c\u7528\u6237I \/ O\u7b49\u5f85\u4e8b\u4ef6\u65f6\uff0c\u6b64\u4fe1\u606f\u624d\u53ef\u7528\u3002\u5730\u56fe\u5230V$SESSION.ROW_WAIT_FILE#<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CURRENT_BLOCK#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u5f53\u524d\u5f15\u7528\u7684\u5757\u7684ID\u3002\u5730\u56fe\u5230V$SESSION.ROW_WAIT_BLOCK#<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CURRENT_ROW#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u5f15\u7528\u7684\u884c\u6807\u8bc6\u7b26\u5730\u56fe\u5230V$SESSION.ROW_WAIT_ROW#<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TOP_LEVEL_CALL#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">Oracle\u9876\u7ea7\u7535\u8bdd\u53f7\u7801<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TOP_LEVEL_CALL_NAME<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">Oracle\u9876\u7ea7\u547c\u53eb\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CONSUMER_GROUP_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6d88\u8d39\u8005\u7ec4ID<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">XID<\/td>\n<td style=\"text-align: left;\">RAW(8)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u6b63\u5728\u5904\u7406\u7684\u4e8b\u52a1ID\u3002V$SESSION\u4e0d\u5305\u542b\u6b64\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">REMOTE_INSTANCE#<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u8fdc\u7a0b\u5b9e\u4f8b\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u4e3a\u6b64\u4f1a\u8bdd\u7b49\u5f85\u7684\u5757\u63d0\u4f9b\u670d\u52a1\u3002\u6b64\u4fe1\u606f\u4ec5\u5728\u4f1a\u8bdd\u7b49\u5f85\u7fa4\u96c6\u4e8b\u4ef6\u65f6\u53ef\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TIME_MODEL<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u65f6\u95f4\u6a21\u578b\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_CONNECTION_MGMT<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u662f\u5426\u6b63\u5728\u8fdb\u884c\u8fde\u63a5\u7ba1\u7406\uff08Y\uff09\u6216\u4e0d\u662f\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_PARSE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u5728\u91c7\u6837\u65f6\u662f\u5426\u6b63\u5728\u89e3\u6790\uff08Y\uff09\u6216\u4e0d\u662f\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_HARD_PARSE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u5728sampling\uff08Y\uff09\u6216\u4e0d\u662f\uff08N\uff09\u65f6\u4f1a\u8bdd\u662f\u5426\u96be\u4ee5\u89e3\u6790<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_SQL_EXECUTION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u6267\u884c\u65f6\u6267\u884cSQL\u8bed\u53e5\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_PLSQL_EXECUTION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u6267\u884c\u65f6\u6267\u884cPL \/ SQL \uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_PLSQL_RPC<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u6267\u884c\u65f6\u6267\u884c\u5165\u7ad9PL \/ SQL RPC\u8c03\u7528\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_PLSQL_COMPILATION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5728\u7f16\u8bd1\u65f6\u662f\u5426\u6b63\u5728\u7f16\u8bd1PL \/ SQL\uff08Y\uff09\u6216\u4e0d\u662f\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_JAVA_EXECUTION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u6267\u884c\u65f6\u6267\u884cJava \uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_BIND<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u6267\u884c\u65f6\u6267\u884c\u7ed1\u5b9a\u64cd\u4f5c\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_CURSOR_CLOSE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u5728sampling\uff08Y\uff09\u6216\u4e0d\u662f\uff08N\uff09\u65f6\u5173\u95ed\u6e38\u6807<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IN_SEQUENCE_LOAD<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u6309\u987a\u5e8f\u52a0\u8f7d\uff08\u6309\u987a\u5e8f\u52a0\u8f7d\u4ee3\u7801\uff09\uff08Y\uff09\u8fd8\u662f\u4e0d\u52a0\u8f7d\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CAPTURE_OVERHEAD<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u6b63\u5728\u6267\u884c\u6355\u83b7\u4ee3\u7801\uff08Y\uff09\u6216\u4e0d\u6267\u884c\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">REPLAY_OVERHEAD<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u6b63\u5728\u6267\u884c\u91cd\u653e\u4ee3\u7801\uff08Y\uff09\u6216\u4e0d\u6267\u884c\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IS_CAPTURED<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u662f\u5426\u6b63\u5728\u6355\u83b7\u4f1a\u8bdd\uff08Y\uff09\u6216\u4e0d\u6355\u83b7\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">IS_REPLAYED<\/td>\n<td style=\"text-align: left;\">VARCHAR2(1)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6307\u793a\u4f1a\u8bdd\u662f\u5426\u6b63\u5728\u91cd\u64ad\uff08Y\uff09\u6216\u4e0d\u91cd\u64ad\uff08N\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">SERVICE_HASH<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6807\u8bc6\u670d\u52a1\u7684\u54c8\u5e0c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PROGRAM<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u64cd\u4f5c\u7cfb\u7edf\u7a0b\u5e8f\u7684\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">MODULE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(48)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u7531DBMS_APPLICATION_INFO.SET_MODULE\u8fc7\u7a0b\u8bbe\u7f6e\u7684\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u6a21\u5757\u7684\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">ACTION<\/td>\n<td style=\"text-align: left;\">VARCHAR2(32)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">DBMS_APPLICATION_INFO.SET_ACTION\u8fc7\u7a0b\u8bbe\u7f6e\u7684\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u64cd\u4f5c\u7684\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">CLIENT_ID<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u4f1a\u8bdd\u7684\u5ba2\u6237\u7aef\u6807\u8bc6\u7b26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">MACHINE<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5ba2\u6237\u7aef\u7684\u64cd\u4f5c\u7cfb\u7edf\u673a\u5668\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PORT<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5ba2\u6237\u7aef\u7aef\u53e3\u53f7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">ECID<\/td>\n<td style=\"text-align: left;\">VARCHAR2(64)<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6267\u884c\u4e0a\u4e0b\u6587\u6807\u8bc6\u7b26\uff08\u7531Application Server\u53d1\u9001\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DBREPLAY_FILE_ID<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5982\u679c\u6b63\u5728\u6355\u83b7\u6216\u91cd\u653e\u4f1a\u8bdd\uff0c\u90a3\u4e48DBREPLAY_FILE_ID\u662f\u5de5\u4f5c\u8d1f\u8f7d\u6355\u83b7\u6216\u5de5\u4f5c\u8d1f\u8f7d\u91cd\u653e\u7684\u6587\u4ef6ID; \u5426\u5219\u5b83\u662fNULL\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DBREPLAY_CALL_COUNTE<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5982\u679c\u6b63\u5728\u6355\u83b7\u6216\u91cd\u653e\u4f1a\u8bdd\uff0c\u5219\u662f\u6b63\u5728\u6355\u83b7\u6216\u91cd\u653eDBREPLAY_CALL_COUNTER\u7684\u7528\u6237\u547c\u53eb\u7684\u547c\u53eb\u8ba1\u6570\u5668; \u5426\u5219\u5b83\u662fNULL\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TM_DELTA_TIME<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5728\u5176\u65f6\u95f4\u95f4\u9694\uff08\u4ee5\u5fae\u79d2\u8ba1\uff09TM_DELTA_CPU_TIME\u548cTM_DELTA_DB_TIME\u88ab\u7d2f\u79ef<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TM_DELTA_CPU_TIME<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbTM_DELTA_TIME\u51e0\u5fae\u79d2\u5185\u82b1\u5728CPU\u4e0a\u7684\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TM_DELTA_DB_TIME<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbTM_DELTA_TIME\u51e0\u5fae\u79d2\u5185\u5728\u6570\u636e\u5e93\u8c03\u7528\u4e2d\u82b1\u8d39\u7684\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_TIME<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u81ea\u4e0a\u6b21\u91c7\u6837\u6216\u521b\u5efa\u4f1a\u8bdd\u4ee5\u6765\u7684\u65f6\u95f4\u95f4\u9694\uff08\u4ee5\u5fae\u79d2\u4e3a\u5355\u4f4d\uff09\uff0c\u7d2f\u8ba1\u63a5\u4e0b\u6765\u7684\u4e94\u4e2a\u7edf\u8ba1\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_READ_IO_REQUESTS<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbDELTA_TIME\u51e0\u5fae\u79d2\u5185\u53d1\u51fa\u7684\u8bfb\u53d6I \/ O\u8bf7\u6c42\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_WRITE_IO_REQUESTS<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbDELTA_TIME\u51e0\u5fae\u79d2\u5185\u53d1\u51fa\u7684\u5199\u5165I \/ O\u8bf7\u6c42\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_READ_IO_BYTES<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbDELTA_TIME\u51e0\u5fae\u79d2\u5185\u8bfb\u53d6\u7684I \/ O\u5b57\u8282\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_WRITE_IO_BYTES<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u4f1a\u8bdd\u5728\u8fc7\u53bbDELTA_TIME\u51e0\u5fae\u79d2\u5185\u5199\u5165\u7684I \/ O\u5b57\u8282\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DELTA_INTERCONNECT_IO_BYTES<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u5728\u8fc7\u53bbDELTA_TIME\u51e0\u5fae\u79d2\u5185\u901a\u8fc7I \/ O\u4e92\u8fde\u53d1\u9001\u7684I \/ O\u5b57\u8282\u6570<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">PGA_ALLOCATED<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u6b64\u793a\u4f8b\u62cd\u6444\u65f6\u6b64\u4f1a\u8bdd\u5360\u7528\u7684PGA\u5185\u5b58\u91cf\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">TEMP_SPACE_ALLOCATED<\/td>\n<td style=\"text-align: left;\">NUMBER<\/td>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\">\u62cd\u6444\u6b64\u6837\u672c\u65f6\u6b64\u4f1a\u8bdd\u6d88\u8017\u7684TEMP\u5185\u5b58\u91cf\uff08\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"3_%E9%80%9A%E8%BF%87%E4%B8%A4%E4%B8%AA%E8%A7%86%E5%9B%BE%E8%A7%A3%E5%86%B3%E7%9A%84%E4%B8%80%E4%BA%9B%E9%97%AE%E9%A2%98\"><\/span>3. \u901a\u8fc7\u4e24\u4e2a\u89c6\u56fe\u89e3\u51b3\u7684\u4e00\u4e9b\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"31_%E6%9F%A5%E8%AF%A2%E8%A2%AB%E9%98%BB%E5%A1%9E%E4%BC%9A%E8%AF%9D%E8%AF%95%E5%9B%BE%E8%AE%BF%E9%97%AE%E7%9A%84%E5%AF%B9%E8%B1%A1\"><\/span>3.1. \u67e5\u8be2\u88ab\u963b\u585e\u4f1a\u8bdd\u8bd5\u56fe\u8bbf\u95ee\u7684\u5bf9\u8c61<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<pre><code class=\"language-sql\">SELECT DECODE(gs.CURRENT_OBJ#, 0, NULL,\n                &#039;SELECT * &#039; || CHR(13) || &#039;  FROM &#039; || (SELECT a.object_name FROM dba_objects a 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