{"id":190620,"date":"2024-11-12T14:06:20","date_gmt":"2024-11-12T06:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190620\/"},"modified":"2024-11-12T14:06:22","modified_gmt":"2024-11-12T06:06:22","slug":"%e6%88%91%e5%80%91%e4%b8%80%e8%b5%b7%e8%81%8a%e8%81%8a-oracle-%e7%9a%84lgwr-worker","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190620\/","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-LhVaYrvlcj\">\u6211\u5011\u4e00\u8d77\u804a\u804a Oracle \u7684 Lgwr Worker<\/h1>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0cLgwr Worker \u662f\u4e00\u500b\u95dc\u9375\u7684\u7d44\u4ef6\uff0c\u8ca0\u8cac\u5c07\u91cd\u505a\u65e5\u8a8c\uff08Redo Log\uff09\u5beb\u5165\u78c1\u789f\u3002\u9019\u500b\u904e\u7a0b\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Lgwr Worker \u7684\u529f\u80fd\u3001\u904b\u4f5c\u539f\u7406\u4ee5\u53ca\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"lgwr-worker-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-LhVaYrvlcj\">Lgwr Worker \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Lgwr\uff08Log Writer\uff09\u662f Oracle \u6578\u64da\u5eab\u7684\u4e00\u500b\u9032\u7a0b\uff0c\u4e3b\u8981\u8ca0\u8cac\u5c07\u5167\u5b58\u4e2d\u7684\u91cd\u505a\u65e5\u8a8c\u5beb\u5165\u5230\u78c1\u789f\u3002\u91cd\u505a\u65e5\u8a8c\u662f\u7528\u4f86\u8a18\u9304\u6240\u6709\u5c0d\u6578\u64da\u5eab\u7684\u66f4\u6539\uff0c\u9019\u4e9b\u66f4\u6539\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u3002Lgwr Worker \u78ba\u4fdd\u9019\u4e9b\u66f4\u6539\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6545\u969c\u6642\u4e0d\u6703\u4e1f\u5931\uff0c\u5f9e\u800c\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"lgwr-worker-%e7%9a%84%e9%81%8b%e4%bd%9c%e5%8e%9f%e7%90%86-LhVaYrvlcj\">Lgwr Worker \u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<p>\u7576\u7528\u6236\u5c0d\u6578\u64da\u5eab\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u9019\u4e9b\u64cd\u4f5c\u9996\u5148\u6703\u88ab\u8a18\u9304\u5230\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u4e2d\u3002Lgwr Worker \u6703\u5b9a\u671f\u5c07\u9019\u4e9b\u7de9\u885d\u5340\u4e2d\u7684\u6578\u64da\u5beb\u5165\u5230\u78c1\u789f\u4e0a\u7684\u91cd\u505a\u65e5\u8a8c\u6587\u4ef6\u4e2d\u3002\u9019\u500b\u904e\u7a0b\u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\u767c\u751f\uff1a<\/p>\n<ul>\n<li>\u7576\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u9054\u5230\u4e00\u5b9a\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u7576\u4e8b\u52d9\u63d0\u4ea4\u6642\uff0cLgwr Worker \u6703\u7acb\u5373\u5beb\u5165\u91cd\u505a\u65e5\u8a8c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u3002<\/li>\n<li>\u5728\u7279\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\uff0c\u7121\u8ad6\u7de9\u885d\u5340\u7684\u5927\u5c0f\u5982\u4f55\uff0cLgwr Worker \u4e5f\u6703\u5b9a\u671f\u5beb\u5165\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"lgwr-worker-%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e9%9f%bf-LhVaYrvlcj\">Lgwr Worker \u7684\u6027\u80fd\u5f71\u97ff<\/h2>\n<p>Lgwr Worker \u7684\u6027\u80fd\u5c0d\u6574\u500b\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u82e5 Lgwr Worker \u7684\u5beb\u5165\u901f\u5ea6\u904e\u6162\uff0c\u5c07\u6703\u5c0e\u81f4\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\u7684\u586b\u6eff\uff0c\u9032\u800c\u5f71\u97ff\u5230\u4e8b\u52d9\u7684\u63d0\u4ea4\u901f\u5ea6\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7528\u6236\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\u51fa\u73fe\u5ef6\u9072\u3002\u56e0\u6b64\uff0c\u512a\u5316 Lgwr Worker \u7684\u6027\u80fd\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u8ab2\u984c\u3002<\/p>\n<h3 id=\"%e5%84%aa%e5%8c%96-lgwr-worker-%e7%9a%84%e6%96%b9%e6%b3%95-LhVaYrvlcj\">\u512a\u5316 Lgwr Worker \u7684\u65b9\u6cd5<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u4ee5\u7528\u4f86\u512a\u5316 Lgwr Worker \u6027\u80fd\u7684\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u91cd\u505a\u65e5\u8a8c\u7684\u5927\u5c0f\uff1a<\/strong>\u9069\u7576\u589e\u52a0\u91cd\u505a\u65e5\u8a8c\u7684\u5927\u5c0f\u53ef\u4ee5\u6e1b\u5c11 Lgwr Worker \u7684\u5beb\u5165\u983b\u7387\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5feb\u901f\u7684\u5b58\u5132\u8a2d\u5099\uff1a<\/strong>\u5c07\u91cd\u505a\u65e5\u8a8c\u6587\u4ef6\u653e\u7f6e\u5728 SSD \u6216\u5176\u4ed6\u5feb\u901f\u5b58\u5132\u8a2d\u5099\u4e0a\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5beb\u5165\u901f\u5ea6\u3002<\/li>\n<li><strong>\u8abf\u6574\u63d0\u4ea4\u7b56\u7565\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\uff0c\u8abf\u6574\u4e8b\u52d9\u7684\u63d0\u4ea4\u7b56\u7565\uff0c\u4ee5\u5e73\u8861\u6027\u80fd\u548c\u6578\u64da\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"lgwr-worker-%e7%9a%84%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4-LhVaYrvlcj\">Lgwr Worker \u7684\u6545\u969c\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230 Lgwr Worker \u7684\u76f8\u95dc\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6545\u969c\u53ca\u5176\u6392\u9664\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u5beb\u5165\u5ef6\u9072\uff1a<\/strong>\u5982\u679c\u767c\u73fe Lgwr Worker \u5beb\u5165\u5ef6\u9072\uff0c\u53ef\u4ee5\u6aa2\u67e5\u91cd\u505a\u65e5\u8a8c\u7684\u5927\u5c0f\u548c\u5b58\u5132\u8a2d\u5099\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u5d29\u6f70\uff1a<\/strong>\u5728\u7cfb\u7d71\u5d29\u6f70\u5f8c\uff0c\u6aa2\u67e5\u91cd\u505a\u65e5\u8a8c\u662f\u5426\u5b8c\u6574\uff0c\u78ba\u4fdd\u6578\u64da\u80fd\u5920\u6b63\u78ba\u6062\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LhVaYrvlcj\">\u7e3d\u7d50<\/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\u4e00\u81f4\u6027\u3002\u901a\u904e\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u548c\u6027\u80fd\u512a\u5316\u65b9\u6cd5\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Oracle \u7684 LGWR 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