{"id":190622,"date":"2024-11-12T14:07:21","date_gmt":"2024-11-12T06:07:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190622\/"},"modified":"2024-11-12T14:07:22","modified_gmt":"2024-11-12T06:07:22","slug":"%e6%88%91%e5%80%91%e4%b8%80%e8%b5%b7%e8%81%8a%e8%81%8a-oracle-%e7%9a%84lgwr-worker-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190622\/","title":{"rendered":"\u6211\u5011\u4e00\u8d77\u804a\u804a Oracle \u7684Lgwr Worker"},"content":{"rendered":"<h1 id=\"%e6%88%91%e5%80%91%e4%b8%80%e8%b5%b7%e8%81%8a%e8%81%8a-oracle-%e7%9a%84-lgwr-worker-ykcqxLiPuF\">\u6211\u5011\u4e00\u8d77\u804a\u804a Oracle \u7684 Lgwr Worker<\/h1>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0cLgwr\uff08Log Writer\uff09\u662f\u8ca0\u8cac\u5c07\u91cd\u505a\u65e5\u8a8c\uff08Redo 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id=\"lgwr-%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%b5%81%e7%a8%8b-ykcqxLiPuF\">Lgwr \u7684\u5de5\u4f5c\u6d41\u7a0b<\/h2>\n<p>Lgwr Worker \u7684\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u63a5\u6536\u8acb\u6c42\uff1a<\/strong>\u7576\u6578\u64da\u5eab\u57f7\u884c DML\uff08\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff09\u64cd\u4f5c\u6642\uff0c\u9019\u4e9b\u64cd\u4f5c\u6703\u88ab\u8a18\u9304\u5230\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u4e2d\u3002<\/li>\n<li><strong>\u5beb\u5165\u78c1\u789f\uff1a<\/strong>\u7576\u7de9\u885d\u5340\u6eff\u6216\u9054\u5230\u4e00\u5b9a\u7684\u6642\u9593\u9593\u9694\u6642\uff0cLgwr Worker \u6703\u5c07\u9019\u4e9b\u65e5\u8a8c\u5beb\u5165\u78c1\u789f\u3002<\/li>\n<li><strong>\u78ba\u8a8d\u64cd\u4f5c\uff1a<\/strong>\u5beb\u5165\u5b8c\u6210\u5f8c\uff0cLgwr \u6703\u5411\u6578\u64da\u5eab\u767c\u9001\u78ba\u8a8d\u4fe1\u865f\uff0c\u8868\u793a\u6578\u64da\u5df2\u5b89\u5168\u5beb\u5165\u3002<\/li>\n<\/ul>\n<h2 id=\"lgwr-%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e9%9f%bf-ykcqxLiPuF\">Lgwr \u7684\u6027\u80fd\u5f71\u97ff<\/h2>\n<p>Lgwr Worker \u7684\u6027\u80fd\u5c0d\u6574\u500b\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u6548\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u5f71\u97ff\u56e0\u7d20\uff1a<\/p>\n<h3 id=\"1-%e7%a1%ac%e7%a2%9f%e6%80%a7%e8%83%bd-ykcqxLiPuF\">1. \u786c\u789f\u6027\u80fd<\/h3>\n<p>Lgwr \u7684\u5beb\u5165\u901f\u5ea6\u53d7\u5230\u786c\u789f\u6027\u80fd\u7684\u5f71\u97ff\u3002\u4f7f\u7528 SSD\uff08\u56fa\u614b\u786c\u789f\uff09\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5beb\u5165\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e7%b7%a9%e8%a1%9d%e5%8d%80%e5%a4%a7%e5%b0%8f-ykcqxLiPuF\">2. \u7de9\u885d\u5340\u5927\u5c0f<\/h3>\n<p>\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u7684\u5927\u5c0f\u4e5f\u6703\u5f71\u97ff Lgwr \u7684\u6027\u80fd\u3002\u8f03\u5927\u7684\u7de9\u885d\u5340\u53ef\u4ee5\u6e1b\u5c11\u5beb\u5165\u6b21\u6578\uff0c\u4f46\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\u589e\u52a0\u3002<\/p>\n<h3 id=\"3-%e4%bd%b5%e7%99%bc%e6%93%8d%e4%bd%9c-ykcqxLiPuF\">3. \u4f75\u767c\u64cd\u4f5c<\/h3>\n<p>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\uff0cLgwr \u9700\u8981\u8655\u7406\u5927\u91cf\u7684\u5beb\u5165\u8acb\u6c42\uff0c\u9019\u53ef\u80fd\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u512a\u5316\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u9019\u7a2e\u5f71\u97ff\u3002<\/p>\n<h2 id=\"lgwr-%e7%9a%84%e9%85%8d%e7%bd%ae%e8%88%87%e8%aa%bf%e5%84%aa-ykcqxLiPuF\">Lgwr \u7684\u914d\u7f6e\u8207\u8abf\u512a<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8 Lgwr Worker \u7684\u6027\u80fd\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u914d\u7f6e\u548c\u8abf\u512a\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u7684\u5de5\u4f5c\u8ca0\u8f09\uff0c\u9069\u7576\u8abf\u6574\u7de9\u885d\u5340\u7684\u5927\u5c0f\uff0c\u4ee5\u5e73\u8861\u6027\u80fd\u548c\u6578\u64da\u5b89\u5168\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9ad8\u6027\u80fd\u5b58\u5132\u8a2d\u5099\uff1a<\/strong>\u9078\u64c7 SSD \u6216\u5176\u4ed6\u9ad8\u6027\u80fd\u5b58\u5132\u8a2d\u5099\u4f86\u63d0\u9ad8\u5beb\u5165\u901f\u5ea6\u3002<\/li>\n<li><strong>\u76e3\u63a7 Lgwr \u6027\u80fd\uff1a<\/strong>\u5b9a\u671f\u4f7f\u7528 Oracle \u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5 Lgwr \u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ykcqxLiPuF\">\u7d50\u8ad6<\/h2>\n<p>Lgwr Worker \u5728 Oracle \u6578\u64da\u5eab\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u8ca0\u8cac\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u6027\u80fd\u5f71\u97ff\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u914d\u7f6e\u548c\u512a\u5316\u7cfb\u7d71\uff0c\u4ee5\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u5b89\u5168\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u4efb\u4f55\u60c5\u6cc1\u4e0b\u6578\u64da\u90fd\u80fd\u5f97\u5230\u59a5\u5584\u4fdd\u8b77\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Oracle \u7684 LGWR 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