{"id":1292,"date":"2012-10-24T23:08:26","date_gmt":"2012-10-24T15:08:26","guid":{"rendered":"https:\/\/yangtingkun.net\/?p=1292"},"modified":"2013-03-10T11:21:04","modified_gmt":"2013-03-10T03:21:04","slug":"%e6%94%b6%e9%9b%86statspack%e7%9a%84%e7%ba%a7%e5%88%ab","status":"publish","type":"post","link":"https:\/\/yangtingkun.net\/?p=1292","title":{"rendered":"\u6536\u96c6STATSPACK\u7684\u7ea7\u522b"},"content":{"rendered":"<p>\u867d\u7136AWR\u529f\u80fd\u5df2\u7ecf\u5b8c\u5168\u53ef\u4ee5\u66ff\u4ee3STATSPACK\u7684\u529f\u80fd\uff0c\u4f46\u662f\u76ee\u524d\u5b58\u5728\u76849i\u7684\u6570\u636e\u5e93\u8fd8\u6709\u4e0d\u5c11\uff0c\u800c\u4e14\u5374\u662f\u53d1\u73b0\u6709\u4e0d\u5c11\u4eba\u4e0d\u4e86\u89e3\u5982\u4f55\u66f4\u6539STATSPACK\u7684\u7ea7\u522b\u3002<br \/>\nSTATSPACK\u9ed8\u8ba4\u662fLEVEL 5\u6536\u96c6\uff0c\u800cLEVEL 5\u6536\u96c6\u7684\u6570\u636e\u662f\u4e0d\u5305\u62ec\u6267\u884c\u8ba1\u5212\u7684\uff0c\u56e0\u6b64\u5bf9\u4e8e\u5173\u6ce8SQL\u6027\u80fd\u7684\u60c5\u51b5\uff0c\u81f3\u5c11\u9700\u8981\u8c03\u6574\u5230LEVEL 6\uff0c\u4e0b\u9762\u662f\u68c0\u67e5\u548c\u8c03\u6574STATSPACK\u6536\u96c6\u7b49\u7ea7\u7684\u65b9\u6cd5\uff0c\u6bd4\u8f83\u7b80\u5355\uff0c\u5c31\u4e0d\u591a\u89e3\u91ca\u4e86\uff1a<\/p>\n<pre lang='SQL'>SQL> exec statspack.snap\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n1 row selected.\r\nSQL> exec statspack.snap(i_snap_level => 6)\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n         2 1258229964          6\r\n2 rows selected.\r\nSQL> exec statspack.snap\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n         2 1258229964          6\r\n         3 1258229964          5\r\n3 rows selected.\r\nSQL> exec statspack.snap(i_snap_level => 6, i_modify_parameter => 'true')\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n         2 1258229964          6\r\n         3 1258229964          5\r\n         4 1258229964          6\r\n4 rows selected.\r\nSQL> exec statspack.snap\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n         2 1258229964          6\r\n         3 1258229964          5\r\n         4 1258229964          6\r\n         5 1258229964          6\r\n5 rows selected.\r\nSQL> exec statspack.modify_statspack_parameter(i_snap_level => 10)\r\nPL\/SQL procedure successfully completed.\r\nSQL> exec statspack.snap\r\nPL\/SQL procedure successfully completed.\r\nSQL> select snap_id, dbid, snap_level from stats$snapshot;\r\n   SNAP_ID       DBID SNAP_LEVEL\r\n---------- ---------- ----------\r\n         1 1258229964          5\r\n         2 1258229964          6\r\n         3 1258229964          5\r\n         4 1258229964          6\r\n         5 1258229964          6\r\n         6 1258229964         10\r\n6 rows selected.<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u867d\u7136AWR\u529f\u80fd\u5df2\u7ecf\u5b8c\u5168\u53ef\u4ee5\u66ff\u4ee3STATSPACK\u7684\u529f\u80fd\uff0c\u4f46\u662f\u76ee\u524d\u5b58\u5728\u76849i\u7684\u6570\u636e\u5e93\u8fd8\u6709\u4e0d\u5c11\uff0c\u800c\u4e14\u5374\u662f\u53d1\u73b0\u6709\u4e0d\u5c11\u4eba\u4e0d\u4e86\u89e3\u5982\u4f55\u66f4\u6539STATSPACK\u7684\u7ea7\u522b\u3002 STATSPACK\u9ed8\u8ba4\u662fLEVEL 5\u6536\u96c6\uff0c\u800cLEVEL 5\u6536\u96c6\u7684\u6570\u636e\u662f\u4e0d\u5305\u62ec\u6267\u884c\u8ba1\u5212\u7684\uff0c\u56e0\u6b64\u5bf9\u4e8e\u5173\u6ce8SQL\u6027\u80fd\u7684\u60c5\u51b5\uff0c\u81f3\u5c11\u9700\u8981\u8c03\u6574\u5230LEVEL 6\uff0c\u4e0b\u9762\u662f\u68c0\u67e5\u548c\u8c03\u6574STATSPACK\u6536\u96c6\u7b49\u7ea7\u7684\u65b9\u6cd5\uff0c\u6bd4\u8f83\u7b80\u5355\uff0c\u5c31\u4e0d\u591a\u89e3\u91ca\u4e86\uff1a SQL> exec statspack.snap PL\/SQL procedure successfully completed. SQL> select snap_id, dbid, snap_level from stats$snapshot; SNAP_ID DBID SNAP_LEVEL &#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;- 1 1258229964 5 1 row selected. SQL> exec statspack.snap(i_snap_level => 6) PL\/SQL procedure successfully completed. &hellip; <a href=\"https:\/\/yangtingkun.net\/?p=1292\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[1142,1144,1143,1145,272],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2yiY3-kQ","_links":{"self":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1292"}],"collection":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1292"}],"version-history":[{"count":1,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1292\/revisions"}],"predecessor-version":[{"id":1293,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1292\/revisions\/1293"}],"wp:attachment":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}