{"id":36540,"date":"2026-10-09T08:00:45","date_gmt":"2026-10-09T00:00:45","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/how-to-fix-severe-server-memory-fragmentation\/"},"modified":"2026-10-12T09:10:46","modified_gmt":"2026-10-12T01:10:46","slug":"how-to-fix-severe-server-memory-fragmentation","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-to-fix-severe-server-memory-fragmentation\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a\u56b4\u91cd\u7684\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316"},"content":{"rendered":"\n<p>\u5728\u771f\u5be6\u7684<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/los-angeles\/\" target=\"_blank\">\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883<\/a>\u4e2d\uff0c<a href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/the-relationship-between-memory-rank-bank-and-channel\/\" target=\"_blank\">\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4<\/a>\u788e\u7247\u5316\u662f\u4e00\u985e\u5178\u578b\u7684\u5e95\u5c64\u554f\u984c\uff0c\u5b83\u5f80\u5f80\u96b1\u85cf\u5728\u4e00\u4e9b\u6a21\u7cca\u75c7\u72c0\u4e4b\u5f8c\uff1a\u5206\u914d\u505c\u9813\u3001\u5ef6\u9072\u4e0d\u7a69\u5b9a\u3001\u5927\u9801\u8acb\u6c42\u5931\u6557\uff0c\u4ee5\u53ca\u5de5\u4f5c\u8ca0\u8f09\u6574\u9ad4\u770b\u4f3c\u6b63\u5e38\u3001\u4f46\u5728\u58d3\u529b\u4e0b\u8868\u73fe\u7570\u5e38\u3002\u8207\u55ae\u7d14\u7684\u8a18\u61b6\u9ad4\u8017\u76e1\u4e0d\u540c\uff0c\u788e\u7247\u5316\u610f\u5473\u8457\u7cfb\u7d71\u4e2d\u78ba\u5be6\u9084\u6709\u9592\u7f6e\u8a18\u61b6\u9ad4\uff0c\u4f46\u9019\u4e9b\u9592\u7f6e\u8a18\u61b6\u9ad4\u88ab\u5207\u5272\u6210\u904e\u65bc\u96f6\u6563\u3001\u6216\u4f4d\u7f6e\u4e0d\u5229\u7684\u5340\u584a\uff0c\u7121\u6cd5\u6eff\u8db3\u67d0\u4e9b\u5206\u914d\u8def\u5f91\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u7dad\u904b\u9577\u6642\u9593\u5728\u7dda\u7cfb\u7d71\u7684\u5de5\u7a0b\u5e2b\u4f86\u8aaa\uff0c\u7406\u89e3\u788e\u7247\u5316\u5982\u4f55\u5f62\u6210\uff0c\u4ee5\u53ca\u5982\u4f55\u964d\u4f4e\u788e\u7247\u5316\uff0c\u5c0d\u65bc\u7dad\u6301\u6548\u80fd\u7684\u53ef\u9810\u6e2c\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2><strong>\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316\u5230\u5e95\u662f\u4ec0\u9ebc<\/strong><\/h2>\n<p>\u5f9e\u9ad8\u5c64\u8996\u89d2\u4f86\u770b\uff0c\u788e\u7247\u5316\u51fa\u73fe\u5728\u8a18\u61b6\u9ad4\u88ab\u53cd\u8986\u7533\u8acb\u548c\u91cb\u653e\u4e4b\u5f8c\uff0c\u9019\u7a2e\u6a21\u5f0f\u6703\u8b93\u5206\u914d\u5668\u7559\u4e0b\u5927\u91cf\u5f7c\u6b64\u65b7\u958b\u7684\u9592\u7f6e\u5340\u57df\u3002\u4f5c\u696d\u7cfb\u7d71\u901a\u5e38\u80fd\u5920\u628a\u4e0d\u9023\u7e8c\u7684\u5be6\u9ad4\u9801\u6620\u5c04\u5230\u9023\u7e8c\u7684\u865b\u64ec\u4f4d\u5740\u7a7a\u9593\uff0c\u56e0\u6b64\u4e26\u4e0d\u662f\u6240\u6709\u670d\u52d9\u90fd\u6703\u7acb\u523b\u611f\u77e5\u9019\u500b\u554f\u984c\u3002\u771f\u6b63\u7684\u9ebb\u7169\u51fa\u73fe\u5728\u6838\u5fc3\u6216\u5de5\u4f5c\u8ca0\u8f09\u9700\u8981\u8f03\u5927\u3001\u5be6\u9ad4\u4e0a\u9023\u7e8c\u7684\u8a18\u61b6\u9ad4\u5340\u57df\u6642\uff0c\u4f8b\u5982\u66f4\u5927\u7684\u9801\u9762\u5206\u914d\u3001\u9077\u79fb\u76ee\u6a19\u5340\u57df\uff0c\u6216\u8005\u67d0\u4e9b\u7279\u6b8a\u7de9\u885d\u5340\u3002\u6838\u5fc3\u6587\u4ef6\u5c07 compaction \u63cf\u8ff0\u70ba\u4e00\u7a2e\u900f\u904e\u79fb\u52d5\u9801\u9762\u4e26\u805a\u5408\u9592\u7f6e\u7a7a\u9593\u3001\u8b93\u66f4\u5927\u9023\u7e8c\u5206\u914d\u6210\u70ba\u53ef\u80fd\u7684\u6a5f\u5236\uff0c\u9019\u6070\u6070\u8aaa\u660e\u788e\u7247\u5316\u672c\u8cea\u4e0a\u662f\u5be6\u9ad4\u5e03\u5c40\u554f\u984c\uff0c\u800c\u4e0d\u53ea\u662f\u55ae\u7d14\u7684\u5bb9\u91cf\u554f\u984c\u3002<\/p>\n<p>\u5c0d\u6280\u8853\u8b80\u8005\u800c\u8a00\uff0c\u6700\u91cd\u8981\u7684\u5340\u5206\u5728\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u9592\u7f6e\u8a18\u61b6\u9ad4\u4e0d\u8db3<\/strong>\uff0c\u8868\u793a\u6a5f\u5668\u78ba\u5be6\u7f3a\u5c11\u53ef\u7528 RAM\u3002<\/li>\n<li><strong>\u788e\u7247\u5316\u56b4\u91cd<\/strong>\uff0c\u8868\u793a\u6574\u9ad4\u8a18\u61b6\u9ad4\u53ef\u80fd\u8db3\u5920\uff0c\u4f46\u5206\u914d\u5668\u7121\u6cd5\u62fc\u51fa\u67d0\u500b\u5177\u9ad4\u8acb\u6c42\u6240\u9700\u7684\u5f62\u614b\u3002<\/li>\n<li><strong>\u6df7\u5408\u60c5\u6cc1<\/strong>\u975e\u5e38\u5e38\u898b\uff0c\u5c24\u5176\u662f\u5728\u90a3\u4e9b\u65e2\u63a5\u8fd1\u5bb9\u91cf\u4e0a\u9650\u3001\u53c8\u6574\u5929\u9ad8\u983b\u9032\u884c\u8a18\u61b6\u9ad4\u7533\u8acb\u548c\u91cb\u653e\u7684\u7e41\u5fd9\u7bc0\u9ede\u4e0a\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e5f\u6b63\u662f\u70ba\u4ec0\u9ebc\u4e00\u53f0\u4f3a\u670d\u5668\u660e\u660e\u4ecd\u7136\u56de\u5831\u6709\u53ef\u7528\u8a18\u61b6\u9ad4\uff0c\u4f46\u67d0\u4e9b\u8a18\u61b6\u9ad4\u7533\u8acb\u4ecd\u7136\u6703\u5931\u6557\u3001\u505c\u9813\uff0c\u6216\u8005\u89f8\u767c\u5927\u91cf reclaim \u8207 compaction \u6d3b\u52d5\u3002\u6838\u5fc3\u7684 buddy allocator \u4f9d\u7167 order \u8ffd\u8e64\u9592\u7f6e\u5340\u584a\uff0c\u5176 documented behavior \u975e\u5e38\u76f4\u63a5\uff1a\u4e00\u65e6\u9ad8\u968e\u9592\u7f6e\u5340\u584a\u6d88\u5931\uff0c\u5927\u584a\u9023\u7e8c\u8a18\u61b6\u9ad4\u5206\u914d\u5c31\u6703\u8b8a\u5f97\u56f0\u96e3\uff0c\u751a\u81f3\u4e0d\u53ef\u80fd\u3002<\/p>\n<h2><strong>\u70ba\u4ec0\u9ebc\u9577\u6642\u9593\u904b\u884c\u7684\u4f3a\u670d\u5668\u6703\u51fa\u73fe\u56b4\u91cd\u788e\u7247\u5316<\/strong><\/h2>\n<p>\u788e\u7247\u5316\u5f88\u5c11\u7531\u67d0\u4e00\u6b21\u7a81\u767c\u4e8b\u4ef6\u76f4\u63a5\u5f15\u8d77\u3002\u66f4\u5e38\u898b\u7684\u60c5\u6cc1\u662f\uff0c\u5b83\u96a8\u8457\u904b\u884c\u6642\u9577\u3001\u5de5\u4f5c\u8ca0\u8f09\u6296\u52d5\u4ee5\u53ca\u5206\u914d\u5668\u58d3\u529b\u7684\u7d2f\u7a4d\uff0c\u6162\u6162\u767c\u5c55\u6210\u554f\u984c\u3002\u90a3\u4e9b\u6301\u7e8c\u5efa\u7acb\u548c\u92b7\u6bc0\u5de5\u4f5c\u884c\u7a0b\u3001\u57f7\u884c\u7dd2\u3001\u5feb\u53d6\uff0c\u6216\u8005\u77ed\u751f\u547d\u9031\u671f\u8a18\u61b6\u9ad4\u7269\u4ef6\u7684\u7cfb\u7d71\uff0c\u5929\u751f\u66f4\u5bb9\u6613\u9047\u5230\u5b83\u3002\u518d\u758a\u52a0\u4e0d\u5747\u8861\u7684 reclaim \u884c\u70ba\u3001\u9801\u9762\u9077\u79fb\u4ee5\u53ca\u4e0d\u65b7\u8b8a\u5316\u7684\u5de5\u4f5c\u96c6\uff0c\u8a18\u61b6\u9ad4\u5e03\u5c40\u5c31\u6703\u9010\u6b65\u8b8a\u5f97\u4e0d\u518d\u9069\u5408\u8f03\u5927\u7684\u5206\u914d\u8acb\u6c42\u3002<\/p>\n<p>\u4ee5\u4e0b\u5e7e\u985e\u6a21\u5f0f\u901a\u5e38\u6703\u8b93\u554f\u984c\u66f4\u56b4\u91cd\uff1a<\/p>\n<ol>\n<li><strong>\u9ad8\u983b\u5206\u914d\u8207\u91cb\u653e\uff1a<\/strong>\u4e0d\u540c\u5927\u5c0f\u7269\u4ef6\u7684\u983b\u7e41\u7533\u8acb\u548c\u91cb\u653e\uff0c\u6703\u7559\u4e0b\u4e0d\u898f\u5247\u7684\u7a7a\u6d1e\u3002<\/li>\n<li><strong>\u9577\u670d\u52d9\u9031\u671f\uff1a<\/strong>\u5373\u4fbf\u884c\u70ba\u826f\u597d\u7684\u5de5\u4f5c\u8ca0\u8f09\uff0c\u4e5f\u53ef\u80fd\u96a8\u8457\u7cfb\u7d71\u300c\u8001\u5316\u300d\u800c\u9032\u5165\u788e\u7247\u5316\u72c0\u614b\u3002<\/li>\n<li><strong>\u80cc\u666f\u8a18\u61b6\u9ad4\u58d3\u529b\uff1a<\/strong>reclaim\u3001swap\u3001\u9801\u9762\u9077\u79fb\u4ee5\u53ca\u5feb\u53d6\u5468\u8f49\uff0c\u90fd\u6703\u52a0\u5287\u5206\u914d\u5668\u58d3\u529b\u3002<\/li>\n<li><strong>\u5927\u9801\u9700\u6c42\uff1a<\/strong>\u4f9d\u8cf4\u8f03\u5927\u9801\u9762\u7684\u5de5\u4f5c\u8ca0\u8f09\uff0c\u5728 compaction \u8b8a\u5f97\u66f4\u5403\u529b\u6642\u66f4\u5bb9\u6613\u51fa\u73fe\u505c\u9813\u3002<\/li>\n<li><strong>\u865b\u64ec\u5316\u6216\u9ad8\u5bc6\u5ea6\u5bb9\u5668\u7bc0\u9ede\uff1a<\/strong>\u591a\u500b\u79df\u6236\u6216\u591a\u500b\u8a18\u61b6\u9ad4\u57df\u6703\u653e\u5927\u4e0d\u78ba\u5b9a\u6027\u3002<\/li>\n<\/ol>\n<p>\u6838\u5fc3\u6587\u4ef6\u9084\u6307\u51fa\uff0c\u96a8\u8457\u7cfb\u7d71\u904b\u884c\u6642\u9593\u589e\u9577\uff0c\u66f4\u5927\u9801\u9762\u7684\u5206\u914d\u53ef\u80fd\u8b8a\u5f97\u6602\u8cb4\uff0c\u56e0\u70ba compaction \u53ef\u80fd\u9700\u8981\u5728\u8a18\u61b6\u9ad4\u4e2d\u8907\u88fd\u8cc7\u6599\uff0c\u624d\u80fd\u9a30\u51fa\u5408\u9069\u7684\u5340\u57df\u3002\u5c0d\u751f\u7522\u74b0\u5883\u800c\u8a00\uff0c\u9019\u4e00\u9ede\u5f88\u95dc\u9375\uff0c\u56e0\u70ba\u6e05\u7406\u788e\u7247\u672c\u8eab\u7684\u6210\u672c\uff0c\u4e5f\u53ef\u80fd\u6210\u70ba\u6548\u80fd\u554f\u984c\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<h2><strong>\u56b4\u91cd\u788e\u7247\u5316\u5728\u751f\u7522\u74b0\u5883\u4e2d\u6703\u5982\u4f55\u8868\u73fe<\/strong><\/h2>\n<p>\u788e\u7247\u5316\u901a\u5e38\u4e0d\u6703\u76f4\u63a5\u300c\u81ea\u5831\u5bb6\u9580\u300d\u3002\u5927\u591a\u6578\u5718\u968a\u4e26\u4e0d\u662f\u56e0\u70ba\u67d0\u500b\u5100\u8868\u677f\u660e\u78ba\u5beb\u8457\u300cfragmentation critical\u300d\u624d\u767c\u73fe\u5b83\uff0c\u800c\u662f\u56e0\u70ba\u5ef6\u9072\u958b\u59cb\u8b8a\u5f97\u6709\u96dc\u8a0a\u3001\u80cc\u666f\u7dad\u8b77\u6210\u672c\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u6216\u8005\u5c0d\u8a18\u61b6\u9ad4\u5206\u914d\u654f\u611f\u7684\u670d\u52d9\u8b8a\u5f97\u8106\u5f31\u3002\u5728\u4f3a\u670d\u5668\u79df\u7528\u53e2\u96c6\u4e2d\uff0c\u9019\u4e9b\u8868\u73fe\u5f80\u5f80\u66f4\u50cf\u662f\u7dad\u904b\u554f\u984c\uff0c\u800c\u4e0d\u662f\u7d14\u7406\u8ad6\u554f\u984c\u3002<\/p>\n<ul>\n<li>\u5373\u4f7f\u5e73\u5747\u8a18\u61b6\u9ad4\u4f7f\u7528\u7387\u4e26\u4e0d\u8a87\u5f35\uff0c\u4ecd\u6703\u51fa\u73fe\u9593\u6b47\u6027\u7684\u5206\u914d\u5ef6\u9072<\/li>\n<li>\u5de5\u4f5c\u8ca0\u8f09\u9032\u5165\u9ad8\u8a18\u61b6\u9ad4\u968e\u6bb5\u6642\uff0c\u51fa\u73fe\u610f\u5916\u505c\u9813<\/li>\n<li>\u5927\u9801\u9762\u5206\u914d\u5931\u6557\uff0c\u6216\u8005\u5927\u9801\u9762\u6a5f\u5236\u7684\u6548\u679c\u4e0b\u964d<\/li>\n<li>\u5728\u696d\u52d9\u7e41\u5fd9\u6642\u6bb5\uff0ccompaction \u8207 reclaim \u6d3b\u52d5\u660e\u986f\u589e\u591a<\/li>\n<li>\u770b\u8d77\u4f86\u8207\u9592\u7f6e\u8a18\u61b6\u9ad4\u898f\u6a21\u4e0d\u5339\u914d\u7684 out-of-memory \u4e8b\u4ef6<\/li>\n<\/ul>\n<p>\u6838\u5fc3\u6587\u4ef6\u672c\u8eab\u5c31\u5c07\u5916\u90e8\u788e\u7247\u5316\u8207\u5206\u914d\u5931\u6557\u6a21\u5f0f\u9023\u7d50\u8d77\u4f86\uff0c\u4e26\u5efa\u8b70\u900f\u904e <code>\/proc\/buddyinfo<\/code> \u548c <code>\/proc\/pagetypeinfo<\/code> \u7b49\u4ecb\u9762\u6aa2\u67e5\u5206\u914d\u5668\u72c0\u614b\u3002\u9019\u4e9b\u8996\u5716\u53ef\u4ee5\u5e6b\u52a9\u78ba\u8a8d\u9ad8\u968e\u9592\u7f6e\u5340\u584a\u662f\u5426\u5df2\u88ab\u8017\u76e1\uff0c\u4ee5\u53ca\u9801\u9762\u5340\u584a\u662f\u5426\u56e0\u6df7\u96dc\u800c\u964d\u4f4e\u4e86 reclaim \u8207 compaction \u7684\u6548\u7387\u3002<\/p>\n<h2><strong>\u5982\u4f55\u78ba\u8a8d\u771f\u6b63\u7684\u554f\u984c\u5c31\u662f\u788e\u7247\u5316<\/strong><\/h2>\n<p>\u5728\u5617\u8a66\u300c\u6574\u7406\u300d\u8a18\u61b6\u9ad4\u4e4b\u524d\uff0c\u9996\u5148\u8981\u78ba\u8a8d\u4f60\u9762\u5c0d\u7684\u4e0d\u662f\u66f4\u7c21\u55ae\u7684\u554f\u984c\uff0c\u4f8b\u5982\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u5931\u63a7\u3001\u9801\u9762\u5feb\u53d6\u904e\u5927\uff0c\u6216\u8005\u4f7f\u7528\u8005\u614b\u5b58\u5728\u8a18\u61b6\u9ad4\u6d29\u6f0f\u3002\u788e\u7247\u5316\u8a3a\u65b7\u6700\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u662f\u628a\u5206\u914d\u5668\u5c64\u7d1a\u7684\u8b49\u64da\u8207\u61c9\u7528\u884c\u70ba\u7d50\u5408\u8d77\u4f86\u770b\u3002<\/p>\n<p>\u4e00\u500b\u5be6\u7528\u7684\u6aa2\u67e5\u6d41\u7a0b\u901a\u5e38\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5148\u5224\u65b7\u9592\u7f6e\u8a18\u61b6\u9ad4\u662f\u5426\u771f\u7684\u4e0d\u8db3\uff0c\u9084\u662f\u53ea\u662f\u5e03\u5c40\u4e0d\u7406\u60f3\u3002<\/li>\n<li>\u6aa2\u67e5 <code>\/proc\/buddyinfo<\/code> \u4e2d\u9ad8\u968e\u9592\u7f6e\u5340\u584a\u7684\u53ef\u7528\u60c5\u6cc1\u3002<\/li>\n<li>\u4f7f\u7528 <code>\/proc\/pagetypeinfo<\/code> \u4e86\u89e3\u4e0d\u540c migrate type \u4e0b\u7684\u9592\u7f6e\u9801\u5206\u5e03\u3002<\/li>\n<li>\u89c0\u5bdf compaction \u8207 reclaim \u6d3b\u52d5\u7684\u9577\u671f\u8b8a\u5316\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u55ae\u6b21\u5feb\u7167\u3002<\/li>\n<li>\u628a\u5206\u914d\u5668\u58d3\u529b\u8207\u5de5\u4f5c\u8ca0\u8f09\u9ad8\u5cf0\u3001\u90e8\u7f72\u6642\u6bb5\u4ee5\u53ca\u91cd\u555f\u4e8b\u4ef6\u5c0d\u61c9\u8d77\u4f86\u5206\u6790\u3002<\/li>\n<\/ol>\n<p>\u6839\u64da\u6838\u5fc3\u624b\u518a\u8aaa\u660e\uff0c<code>\/proc\/buddyinfo<\/code> \u672c\u8eab\u5c31\u662f\u7528\u65bc\u8a3a\u65b7\u788e\u7247\u5316\u7684\u91cd\u8981\u4ecb\u9762\uff0c\u800c\u5728\u788e\u7247\u5316\u56b4\u91cd\u7684\u7cfb\u7d71\u4e2d\uff0c\u9ad8\u968e\u8a08\u6578\u5668\u5f80\u5f80\u6703\u51fa\u73fe\u5927\u91cf\u96f6\u503c\u3002\u8207\u6b64\u540c\u6642\uff0c\u6838\u5fc3\u6587\u4ef6\u4e5f\u89e3\u91cb\u4e86 <code>\/proc\/pagetypeinfo<\/code> \u80fd\u88dc\u5145 migrate type \u7dad\u5ea6\u7684\u53ef\u898b\u6027\uff0c\u9019\u5c0d\u90a3\u7a2e\u300c\u539f\u59cb\u9592\u7f6e\u9801\u6578\u91cf\u770b\u8d77\u4f86\u4e0d\u5dee\u3001\u4f46\u5916\u90e8\u788e\u7247\u5316\u4f9d\u7136\u56b4\u91cd\u300d\u7684\u5834\u666f\u5c24\u5176\u6709\u5e6b\u52a9\u3002<\/p>\n<h2><strong>\u5982\u4f55\u5728\u4e0d\u9760\u731c\u6e2c\u7684\u60c5\u6cc1\u4e0b\u6e1b\u5c11\u788e\u7247\u5316<\/strong><\/h2>\n<p>\u9762\u5c0d\u56b4\u91cd\u788e\u7247\u5316\uff0c\u4e26\u4e0d\u5b58\u5728\u4e00\u500b\u842c\u80fd\u6309\u9215\u3002\u6b63\u78ba\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u4f60\u662f\u9700\u8981\u5feb\u901f\u6b62\u8840\uff0c\u9084\u662f\u5e0c\u671b\u771f\u6b63\u5efa\u7acb\u9577\u671f\u4fee\u5fa9\u65b9\u6848\u3002\u5f9e\u6280\u8853\u4e0a\u4f86\u8aaa\uff0c\u53ef\u4ee5\u628a\u8655\u7406\u601d\u8def\u5206\u6210\u5e7e\u5c64\uff1a\u7dad\u904b\u7d1a\u91cd\u7f6e\u3001\u5de5\u4f5c\u8ca0\u8f09\u885b\u751f\u6cbb\u7406\uff0c\u4ee5\u53ca\u9762\u5411\u5206\u914d\u5668\u7684\u8abf\u6821\u3002<\/p>\n<h3>1. \u9700\u8981\u5feb\u901f\u7de9\u89e3\u6642\uff0c\u9032\u884c\u53ef\u63a7\u91cd\u555f<\/h3>\n<p>\u5982\u679c\u788e\u7247\u5316\u5df2\u7d93\u5f88\u56b4\u91cd\uff0c\u4e26\u4e14\u4f7f\u7528\u8005\u7aef\u5f71\u97ff\u660e\u986f\uff0c\u90a3\u9ebc\u5728\u7dad\u8b77\u6642\u6bb5\u5167\u91cd\u65b0\u555f\u52d5\u67d0\u500b\u670d\u52d9\uff0c\u6216\u8005\u76f4\u63a5\u91cd\u555f\u7bc0\u9ede\uff0c\u5f80\u5f80\u53ef\u4ee5\u5feb\u901f\u6062\u5fa9\u66f4\u4e7e\u6de8\u7684\u8a18\u61b6\u9ad4\u5e03\u5c40\u3002\u9019\u7a2e\u505a\u6cd5\u672a\u5fc5\u512a\u96c5\uff0c\u4f46\u5728\u5de5\u7a0b\u5be6\u52d9\u4e2d\u5b8c\u5168\u5408\u7406\u3002\u5b83\u7684\u4ee3\u50f9\u4e5f\u5f88\u6e05\u695a\uff1a\u4f60\u6062\u5fa9\u4e86\u5206\u914d\u5668\u72c0\u614b\uff0c\u537b\u6c92\u6709\u6d88\u9664\u5c0e\u81f4\u788e\u7247\u5316\u7684\u6839\u672c\u5de5\u4f5c\u8ca0\u8f09\u6a21\u5f0f\u3002<\/p>\n<h3>2. \u964d\u4f4e\u5de5\u4f5c\u8ca0\u8f09\u4e2d\u7684\u5206\u914d\u6296\u52d5<\/h3>\n<p>\u5f88\u591a\u788e\u7247\u5316\u554f\u984c\u5176\u5be6\u8d77\u6e90\u65bc\u6838\u5fc3\u4e4b\u4e0a\u3002\u5982\u679c\u67d0\u500b\u670d\u52d9\u6301\u7e8c\u7533\u8acb\u4e26\u91cb\u653e\u5927\u5c0f\u6df7\u96dc\u7684\u7269\u4ef6\uff0c\u5206\u914d\u5668\u9072\u65e9\u8981\u70ba\u6b64\u4ed8\u51fa\u4ee3\u50f9\u3002\u5728\u67b6\u69cb\u5141\u8a31\u7684\u60c5\u6cc1\u4e0b\uff0c\u61c9\u76e1\u91cf\u8b93\u7269\u4ef6\u751f\u547d\u9031\u671f\u66f4\u7a69\u5b9a\uff0c\u91cd\u7528\u7de9\u885d\u5340\uff0c\u6279\u6b21\u8655\u7406\u4efb\u52d9\uff0c\u4e26\u907f\u514d\u75c5\u614b\u7684\u77ed\u6642\u5206\u914d\u7a81\u767c\u3002\u76ee\u6a19\u4e26\u4e0d\u662f\u62bd\u8c61\u610f\u7fa9\u4e0a\u7684\u300c\u5c11\u7528\u9ede\u8a18\u61b6\u9ad4\u300d\uff0c\u800c\u662f\u300c\u6e1b\u5c11\u5c0d\u5206\u914d\u5668\u4e0d\u53cb\u5584\u7684\u5206\u914d\u6a21\u5f0f\u300d\u3002<\/p>\n<h3>3. \u8b39\u614e\u8abf\u6821\u8a18\u61b6\u9ad4\u884c\u70ba<\/h3>\n<p>\u865b\u64ec\u8a18\u61b6\u9ad4\u5b50\u7cfb\u7d71\u63d0\u4f9b\u4e86\u4e00\u4e9b\u63a7\u5236\u9805\uff0c\u53ef\u5f71\u97ff reclaim \u548c compaction \u7684\u884c\u70ba\u3002\u6838\u5fc3\u95dc\u65bc VM sysctl interface \u7684\u6587\u4ef6\u6307\u51fa\uff0c\u7cfb\u7d71\u53ef\u4ee5\u5c0d\u788e\u7247\u5316\u654f\u611f\u5ea6\u548c compaction \u884c\u70ba\u9032\u884c\u8abf\u6574\uff0c\u4e26\u4e14\u5b50\u7cfb\u7d71\u80fd\u5920\u5340\u5206\u7531\u4f4e\u8a18\u61b6\u9ad4\u5f15\u767c\u7684\u5206\u914d\u5931\u6557\uff0c\u8207\u7531\u788e\u7247\u5316\u5f15\u767c\u7684\u5206\u914d\u5931\u6557\u3002\u9019\u4e9b\u8a2d\u5b9a\u5fc5\u9808\u7d93\u904e\u8b39\u614e\u6e2c\u8a66\uff0c\u56e0\u70ba\u904e\u65bc\u6fc0\u9032\u7684\u8abf\u6821\uff0c\u53ef\u80fd\u6703\u628a\u541e\u5410\u91cf\u63db\u6210\u5ef6\u9072\uff0c\u6216\u8005\u8b93 compaction \u6bd4\u4f60\u9810\u671f\u7684\u66f4\u983b\u7e41\u5730\u904b\u884c\u3002<\/p>\n<h3>4. \u91cd\u65b0\u8a55\u4f30\u5927\u9801\u7b56\u7565<\/h3>\n<p>\u8f03\u5927\u7684\u9801\u9762\u5728\u67d0\u4e9b\u5de5\u4f5c\u8ca0\u8f09\u4e2d\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u4f46\u5b83\u5011\u4e5f\u6703\u8b93\u788e\u7247\u5316\u554f\u984c\u66f4\u65e9\u66b4\u9732\u51fa\u4f86\uff0c\u56e0\u70ba\u5b83\u5011\u9700\u8981\u5408\u9069\u7684\u9023\u7e8c\u5be6\u9ad4\u8a18\u61b6\u9ad4\u4f5c\u70ba\u652f\u6490\u3002\u5982\u679c\u4f60\u7684\u74b0\u5883\u4f9d\u8cf4\u5927\u9801\uff0c\u5c31\u61c9\u8a72\u91cd\u9ede\u76e3\u63a7 compaction \u505c\u9813\u662f\u5426\u6703\u96a8\u8457\u7cfb\u7d71\u904b\u884c\u6642\u9593\u589e\u9577\u800c\u589e\u52a0\u3002\u6838\u5fc3\u6587\u4ef6\u660e\u78ba\u63d0\u9192\uff0c\u96a8\u8457\u7cfb\u7d71\u300c\u8001\u5316\u300d\uff0c\u7531\u65bc compaction \u5de5\u4f5c\u91cf\u52a0\u5927\uff0c\u66f4\u5927\u9801\u9762\u7684\u5206\u914d\u53ef\u80fd\u8b8a\u5f97\u6602\u8cb4\u3002<\/p>\n<h3>5. \u7dad\u6301\u53ef\u56de\u6536\u8207\u53ef\u9077\u79fb\u8a18\u61b6\u9ad4\u7684\u5065\u5eb7\u72c0\u614b<\/h3>\n<p>\u7576\u8a18\u61b6\u9ad4\u53ef\u4ee5\u88ab\u9806\u5229 reclaim \u6216 migration \u6642\uff0c\u788e\u7247\u5316\u66f4\u5bb9\u6613\u6cbb\u7406\u3002\u6838\u5fc3\u570d\u7e5e migrate type \u7d66\u51fa\u788e\u7247\u5316\u6307\u5c0e\u4e26\u975e\u5076\u7136\uff1a\u4e00\u65e6\u9801\u9762\u5340\u584a\u88ab\u4e0d\u540c\u985e\u578b\u9801\u9762\u6df7\u96dc\u4f54\u64da\uff0c\u9748\u6d3b\u6027\u5c31\u6703\u4e0b\u964d\u3002\u5982\u679c\u7bc0\u9ede\u4e2d\u5145\u6eff\u4e86\u96e3\u4ee5\u9077\u79fb\u7684\u5206\u914d\u7269\u4ef6\uff0c\u90a3\u9ebc compaction \u53ef\u9078\u64c7\u7684\u7a7a\u9593\u5c31\u6703\u66f4\u5c11\uff0c\u5206\u914d\u5668\u58d3\u529b\u4e5f\u6703\u6301\u7e8c\u5347\u9ad8\u3002<\/p>\n<h2><strong>\u7576\u788e\u7247\u5316\u56b4\u91cd\u6642\uff0c\u4e0d\u8981\u9019\u6a23\u505a<\/strong><\/h2>\n<p>\u5de5\u7a0b\u5e2b\u5728\u58d3\u529b\u4e4b\u4e0b\uff0c\u5f80\u5f80\u6703\u672c\u80fd\u5730\u5617\u8a66\u4e00\u4e9b\u770b\u4f3c\u7c21\u55ae\u7684\u88dc\u6551\u52d5\u4f5c\uff0c\u4f46\u9019\u4e9b\u505a\u6cd5\u5e38\u5e38\u5e36\u4f86\u66f4\u591a\u96dc\u8a0a\uff0c\u800c\u4e0d\u662f\u66f4\u591a\u50f9\u503c\u3002\u788e\u7247\u5316\u4e26\u4e0d\u662f\u9760\u96a8\u610f\u6e05\u9664\u5feb\u53d6\u3001\u81e8\u6642\u4e82\u6539\u53c3\u6578\uff0c\u6216\u8907\u88fd\u8cbc\u4e0a\u820a\u8ad6\u58c7\u88e1\u7684\u55ae\u6b21\u547d\u4ee4\u5c31\u80fd\u771f\u6b63\u89e3\u6c7a\u7684\u3002\u9019\u4e9b\u64cd\u4f5c\u4e5f\u8a31\u6703\u66ab\u6642\u6539\u8b8a\u8a18\u61b6\u9ad4\u5f62\u614b\uff0c\u4f46\u5982\u679c\u6c92\u6709\u8a3a\u65b7\u652f\u6490\uff0c\u5b83\u5011\u540c\u6a23\u53ef\u80fd\u7834\u58de\u5feb\u53d6\u71b1\u5ea6\u3001\u628a\u58d3\u529b\u8f49\u79fb\u5230\u5225\u7684\u5730\u65b9\uff0c\u751a\u81f3\u63a9\u84cb\u771f\u6b63\u7684\u89f8\u767c\u56e0\u7d20\u3002<\/p>\n<ul>\n<li>\u4e0d\u8981\u628a\u9ad8\u8a18\u61b6\u9ad4\u5360\u7528\u76f4\u63a5\u7b49\u540c\u65bc\u788e\u7247\u5316\u3002<\/li>\n<li>\u4e0d\u8981\u628a reclaim \u6d3b\u52d5\u7684\u5b58\u5728\u7576\u6210\u8abf\u6821\u932f\u8aa4\u7684\u76f4\u63a5\u8b49\u64da\u3002<\/li>\n<li>\u4e0d\u8981\u5728\u751f\u7522\u7bc0\u9ede\u4e0a\u5f37\u884c\u505a\u4f4e\u5c64\u4fee\u6539\uff0c\u537b\u6c92\u6709\u56de\u6efe\u8def\u5f91\u3002<\/li>\n<li>\u4e0d\u8981\u5ffd\u8996\u5de5\u4f5c\u8ca0\u8f09\u8a2d\u8a08\uff0c\u53ea\u76ef\u8457\u6838\u5fc3\u53c3\u6578\u3002<\/li>\n<\/ul>\n<p>\u66f4\u6df1\u4e00\u5c64\u7684\u7d93\u9a57\u662f\uff1a\u788e\u7247\u5316\u672c\u8cea\u4e0a\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u554f\u984c\u3002\u5206\u914d\u5668\u3001\u6838\u5fc3\u7684 compaction \u8def\u5f91\uff0c\u4ee5\u53ca\u61c9\u7528\u884c\u70ba\u4e4b\u9593\u76f8\u4e92\u4f5c\u7528\u3002\u5982\u679c\u4f60\u53ea\u6700\u4f73\u5316\u5176\u4e2d\u4e00\u5c64\uff0c\u6536\u76ca\u5f80\u5f80\u53ea\u662f\u66ab\u6642\u7684\u3002<\/p>\n<h2><strong>\u9762\u5411\u4f3a\u670d\u5668\u79df\u7528\u8207\u4f3a\u670d\u5668\u8a17\u7ba1\u7dad\u904b\u7684\u9810\u9632\u7b56\u7565<\/strong><\/h2>\n<p>\u5c0d\u65bc\u904b\u884c\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u57fa\u790e\u8a2d\u65bd\u7684\u5718\u968a\u4f86\u8aaa\uff0c\u9810\u9632\u6c38\u9060\u6bd4\u6e05\u7406\u66f4\u4fbf\u5b9c\u3002\u788e\u7247\u5316\u6700\u559c\u6b61\u5728\u7f3a\u4e4f\u7ba1\u7406\u7684\u6f02\u79fb\u4e2d\u6ecb\u751f\uff0c\u56e0\u6b64\uff0c\u4e00\u500b\u597d\u7684\u7dad\u904b\u6a21\u578b\u61c9\u7576\u628a\u91cd\u9ede\u653e\u5728\u53ef\u89c0\u6e2c\u6027\u3001\u5de5\u4f5c\u8ca0\u8f09\u7d00\u5f8b\u6027\u4ee5\u53ca\u9031\u671f\u6027\u7dad\u8b77\u4e0a\uff0c\u800c\u4e0d\u662f\u7b49\u4e8b\u6545\u767c\u751f\u5f8c\u518d\u9032\u884c\u300c\u82f1\u96c4\u5f0f\u6551\u706b\u300d\u3002<\/p>\n<ol>\n<li><strong>\u6309\u904b\u884c\u6642\u9577\u8ffd\u8e64\u5206\u914d\u5668\u5065\u5eb7\u72c0\u614b\uff1a<\/strong>\u4e0d\u8981\u53ea\u770b\u9592\u7f6e\u8a18\u61b6\u9ad4\uff0c\u9084\u8981\u95dc\u6ce8\u9ad8\u968e\u9592\u7f6e\u5340\u584a\u7684\u8b8a\u5316\u3002<\/li>\n<li><strong>\u5206\u6790\u9ad8\u6296\u52d5\u670d\u52d9\uff1a<\/strong>\u8b58\u5225\u90a3\u4e9b\u6301\u7e8c\u91cd\u5851\u8a18\u61b6\u9ad4\u5e03\u5c40\u7684\u884c\u7a0b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7dad\u8b77\u6642\u6bb5\uff1a<\/strong>\u5982\u679c\u67d0\u4e00\u985e\u7bc0\u9ede\u6703\u96a8\u8457\u904b\u884c\u6642\u9577\u7a69\u5b9a\u9000\u5316\uff0c\u5c31\u61c9\u5728\u554f\u984c\u53ef\u898b\u4e4b\u524d\u4e3b\u52d5\u8f2a\u63db\u3002<\/li>\n<li><strong>\u9694\u96e2\u5de5\u4f5c\u8ca0\u8f09\uff1a<\/strong>\u907f\u514d\u5728\u540c\u4e00\u7bc0\u9ede\u4e0a\u6df7\u5e03\u5c0d\u5206\u914d\u654f\u611f\u7684\u4efb\u52d9\u8207\u9ad8\u96dc\u8a0a\u9130\u5c45\u3002<\/li>\n<li><strong>\u5728\u9810\u751f\u7522\u74b0\u5883\u9a57\u8b49 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VM \u8abf\u6821\u3002<\/li>\n<\/ol>\n<p>\u9019\u6a23\u7684\u6d41\u7a0b\u53ef\u4ee5\u8b93\u6545\u969c\u8655\u7406\u5efa\u7acb\u5728\u6838\u5fc3\u73fe\u5be6\u4e4b\u4e0a\uff0c\u800c\u4e0d\u662f\u5efa\u7acb\u5728\u731c\u6e2c\u4e4b\u4e0a\u3002\u5b83\u4e5f\u70ba\u4f60\u63d0\u4f9b\u4e86\u4e00\u689d\u5f9e\u75c7\u72c0\u7de9\u89e3\u8d70\u5411\u7d50\u69cb\u6027\u9810\u9632\u7684\u8def\u5f91\uff0c\u800c\u9019\u6b63\u662f\u6210\u719f\u4f3a\u670d\u5668\u79df\u7528\u7dad\u904b\u9ad4\u7cfb\u771f\u6b63\u9700\u8981\u7684\u80fd\u529b\u3002<\/p>\n<h2><strong>\u7e3d\u7d50<\/strong><\/h2>\n<p>\u56b4\u91cd\u7684\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316\uff0c\u5f80\u5f80\u4e0d\u662f\u4e00\u6b21\u5287\u70c8\u6545\u969c\uff0c\u800c\u662f\u5206\u914d\u5668\u72c0\u614b\u9010\u6b65\u8001\u5316\u7684\u7d50\u679c\u3002\u6a5f\u5668\u770b\u8d77\u4f86\u4ecd\u7136\u300c\u6709\u8a18\u61b6\u9ad4\u300d\uff0c\u4f46\u9019\u4e9b\u8a18\u61b6\u9ad4\u5df2\u7d93\u4e0d\u518d\u662f\u6838\u5fc3\u6216\u5de5\u4f5c\u8ca0\u8f09\u6240\u9700\u8981\u7684\u5f62\u614b\u3002\u9019\u5c31\u662f\u70ba\u4ec0\u9ebc\u5728\u76f4\u63a5\u6aa2\u67e5\u5206\u914d\u5668\u72c0\u614b\u4e4b\u524d\uff0c\u554f\u984c\u5e38\u5e38\u986f\u5f97\u64b2\u6714\u8ff7\u96e2\u3002\u5728\u4e00\u500b\u6709\u7d00\u5f8b\u7684\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0c\u6700\u6709\u6548\u7684\u7b56\u7565\u5176\u5be6\u5f88\u6e05\u6670\uff1a\u900f\u904e\u6b63\u78ba\u7684\u6838\u5fc3\u4ecb\u9762\u78ba\u8a8d\u788e\u7247\u5316\uff0c\u6e1b\u5c11\u5c0d\u5206\u914d\u5668\u4e0d\u53cb\u5584\u7684\u5206\u914d\u6296\u52d5\uff0c\u4fdd\u5b88\u5730\u8abf\u6821\u865b\u64ec\u8a18\u61b6\u9ad4\u884c\u70ba\uff0c\u4e26\u5728\u7bc0\u9ede\u8001\u5316\u5230 compaction \u6210\u70ba\u6548\u80fd\u7a05\u4e4b\u524d\u4e3b\u52d5\u8f2a\u63db\u3002\u53ea\u8981\u6301\u7e8c\u9019\u6a23\u505a\uff0c\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316\u5c31\u6703\u5f9e\u53cd\u8986\u51fa\u73fe\u7684\u751f\u7522\u74b0\u5883\u610f\u5916\uff0c\u8b8a\u6210\u4e00\u500b\u53ef\u7ba1\u7406\u7684\u5de5\u7a0b\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u771f\u5be6\u7684\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0c\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316\u662f\u4e00\u985e\u5178\u578b\u7684\u5e95\u5c64\u554f\u984c\uff0c\u5b83\u5f80\u5f80\u96b1\u85cf\u5728\u4e00\u4e9b\u6a21\u7cca\u75c7\u72c0\u4e4b\u5f8c\uff1a\u5206\u914d\u505c\u9813\u3001\u5ef6\u9072 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-to-fix-severe-server-memory-fragmentation\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":36537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-36540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5982\u4f55\u89e3\u6c7a\u56b4\u91cd\u7684\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316<\/title>\n<meta name=\"description\" content=\"\u4e86\u89e3\u5982\u4f55\u900f\u904e\u5be6\u7528\u7684\u6838\u5fc3\u5c64\u7d1a\u65b9\u6cd5\u8a3a\u65b7\u4e26\u7de9\u89e3\u56b4\u91cd\u7684\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u788e\u7247\u5316\uff0c\u5f9e\u800c\u5728\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7dad\u6301\u7a69\u5b9a\u6548\u80fd\u3002\" \/>\n<meta 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