{"id":50434,"date":"2022-11-12T19:55:57","date_gmt":"2023-12-04T11:39:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e6%88%91%e7%9a%84%e6%9e%b6%e6%9e%84%e9%aa%8c%e8%af%81%e4%b8%ad%ef%bc%8c%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/"},"modified":"2024-04-29T00:20:58","modified_gmt":"2024-04-28T16:20:58","slug":"%e5%9c%a8%e6%88%91%e7%9a%84%e6%9e%b6%e6%9e%84%e9%aa%8c%e8%af%81%e4%b8%ad%ef%bc%8c%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e6%88%91%e7%9a%84%e6%9e%b6%e6%9e%84%e9%aa%8c%e8%af%81%e4%b8%ad%ef%bc%8c%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"\u5728\u6211\u7684\u67b6\u6784\u9a8c\u8bc1\u4e2d\uff0c\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u7531\u4e8e\u8fc7\u53bb\u534a\u5e74\u53c2\u4e0e\u4e86\u5404\u79cd\u9a8c\u8bc1\u5de5\u4f5c\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u5185\u5bb9\u8fdb\u884c\u4e86\u62bd\u8c61\u603b\u7ed3\u3002<\/p>\n<p>\u51e0\u4e4e\u662f\u6309\u7167\u6211\u7684\u65b9\u5f0f\u8fdb\u884c\u7684\uff0c\u6240\u4ee5\u6211\u4e2a\u4eba\u8ba4\u4e3a\u8fd9\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u4f46\u4e0d\u80fd\u5426\u8ba4\u53ef\u80fd\u5b58\u5728\u66f4\u597d\u7684\u65b9\u6cd5\u3002<br \/>\n\uff08\u4f7f\u7528&#8221;\u4e2a\u4eba&#8221;\u8fd9\u4e2a\u8bcd\u662f\u4e3a\u4e86\u4fdd\u9669\u8d77\u89c1\u3002\uff09<br \/>\n\u8bf4\u771f\u7684\uff0c\u80af\u5b9a\u6709\u66f4\u597d\u7684\u65b9\u6cd5\uff01\u4f46\u8fd9\u6837\u7684\u4fe1\u606f\u5e76\u4e0d\u7ecf\u5e38\u6d41\u4f20\u51fa\u6765\uff01\u6240\u4ee5\u5982\u679c\u6709\u6539\u5584\u7684\u5730\u65b9\uff0c\u8bf7\u544a\u8bc9\u6211m(__)m<\/p>\n<h2>\u672f\u8bed\u7684\u5b9a\u4e49<\/h2>\n<h3>&#8220;\u5efa\u7b51\u98ce\u683c&#8221;<\/h3>\n<p>\u5728\u672c\u4e66\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u672f\u8bed&#8221;\u67b6\u6784&#8221;\u6765\u6307\u4ee3\u201c\u7528\u4e8e\u8fd0\u884c\u67d0\u8f6f\u4ef6\u6240\u9700\u7684\u670d\u52a1\u5668\u7fa4\u548c\u4e2d\u95f4\u4ef6\u7684\u7ed3\u6784\u201d\u3002<\/p>\n<h3>&#8220;\u9a8c\u8bc1&#8221;<\/h3>\n<p>\u672c\u6587\u4e66\u5c06\u8ba8\u8bba\u201c\u9a8c\u8bc1\u201d\u4e00\u8bcd\uff0c\u6d89\u53ca\u4ee5\u4e0b\u4e24\u79cd\u4e3b\u8981\u9a8c\u8bc1\u65b9\u6cd5\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u786e\u8ba4\u4f53\u7cfb\u7ed3\u6784\u662f\u5426\u80fd\u591f\u6ee1\u8db3\u529f\u80fd\u9700\u6c42\u7684\u529f\u80fd\u9a8c\u8bc1<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728\u8be5\u4f53\u7cfb\u7ed3\u6784\u4e2d\uff0c\u786e\u8ba4\u7b26\u5408\u54ea\u79cd\u673a\u5668\u89c4\u683c\u624d\u80fd\u6ee1\u8db3\u975e\u529f\u80fd\u9700\u6c42\u7684\u6027\u80fd\u9a8c\u8bc1<\/ol>\n<h2>\u514d\u8d23<\/h2>\n<p>\u7531\u4e8e\u6211\u7684\u516c\u53f8\u662f\u5728\u672c\u5730\u73af\u5883\u4e2d\u5efa\u8bbe\u7684\uff0c\u6240\u4ee5\u5982\u679c\u57fa\u4e8e\u4e91\u670d\u52a1\u4f7f\u7528\u7684\u8bdd\uff0c\u53ef\u80fd\u9a8c\u8bc1\u7684\u8981\u6c42\u53ef\u4ee5\u653e\u677e\u4e00\u4e9b\u3002<br \/>\n\u6211\u5bf9\u6b64\u5e76\u4e0d\u592a\u6e05\u695a\uff0c\u8fd8\u8bf7\u89c1\u8c05\u2026\u3002<\/p>\n<h2>\u5728\u8fdb\u884c\u9a8c\u8bc1\u8bbe\u8ba1\u4e4b\u524d&#8230;<\/h2>\n<p>\u5982\u679c\u6ca1\u6709\u660e\u786e\u7684\u9a8c\u8bc1\u76ee\u7684\uff0c\u65e0\u8bba\u601d\u8003\u591a\u5c11\u9a8c\u8bc1\u5185\u5bb9\u90fd\u6ca1\u6709\u610f\u4e49\u3002\u6240\u4ee5\u5728\u4ee5\u4e0b\u4fe1\u606f\u5b8c\u5584\u4e4b\u524d\uff0c\u6211\u4eec\u8981\u52aa\u529b\u8fdb\u884c\u67b6\u6784\u5ba1\u67e5\u2606<\/p>\n<h3>\u529f\u80fd\u8981\u6c42 &#8211; (Functional requirements)<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u660e\u786e\u7684\u662f\u8981\u5f00\u53d1\u7684\u8f6f\u4ef6\u662f\u4e3a\u4e86\u5b9e\u73b0\u4ec0\u4e48\uff0c\u5c06\u63d0\u4f9b\u4ec0\u4e48\u6837\u7684\u7528\u6237\u4f53\u9a8c\u3002\u6839\u636e\u7528\u6237\u7684\u9700\u6c42\uff0c\u7cfb\u7edf\u65b9\u9762\u4f1a\u4ea7\u751f\u54ea\u4e9b\u8981\u6c42\u3002\u8ba9\u6211\u4eec\u660e\u786e\u5730\u89c4\u5212\u597d\u8fd9\u4e9b\u8981\u6c42\u3002<\/p>\n<h3>\u975e\u529f\u80fd\u9700\u6c42<\/h3>\n<p>\u4e0d\u4ec5\u9700\u8981\u786e\u5b9a\u8f6f\u4ef6\u672c\u8eab\u7684\u529f\u80fd\uff0c\u8fd8\u9700\u8981\u786e\u5b9a\u662f\u5426\u5bb9\u8bb8\u53cc\u91cd\u6545\u969c\uff0c\u5bb9\u5fcd\u7684\u5ef6\u8fdf\u7a0b\u5ea6\u7b49\u975e\u529f\u80fd\u65b9\u9762\u7684\u8981\u6c42\u3002\u7531\u4e8e\u89c2\u70b9\u4f17\u591a\uff0c\u8fd9\u5f88\u56f0\u96be\uff0c\u4f46\u6211\u4eec\u53c2\u8003\u4e86IPA\u7684&#8221;\u975e\u529f\u80fd\u9700\u6c42\u7b49\u7ea7&#8221;\u6765\u8fdb\u884c\u5236\u5b9a\u3002<\/p>\n<p>\u5982\u679c\u65b9\u4fbf\u7684\u8bdd\uff0c\u8bf7\u53c2\u8003\u4e00\u4e0b&#8221;\u975e\u529f\u80fd\u9700\u6c42\u7b49\u7ea7&#8221;\uff0c\u8fd9\u662f\u5b9e\u73b0\u5bf9\u975e\u529f\u80fd\u9700\u6c42\u7684\u53ef\u89c6\u5316\u548c\u786e\u8ba4\u624b\u6bb5\u7684\u516c\u5f00\u65b9\u5f0f\u3002<\/p>\n<h3>\u5efa\u7b51\u8bbe\u8ba1\u65b9\u6848<\/h3>\n<p>\u5bf9\u4e8e\u88ab\u9a8c\u8bc1\u7684\u67b6\u6784\u547d\u540d\u4e3a\u201c\u4eee\u6848\u201d\u7684\u539f\u56e0\u662f\uff0c\u7531\u4e8e\u9a8c\u8bc1\u7ed3\u679c\u53ef\u80fd\u63a8\u7ffb\u8be5\u67b6\u6784\u7684\u53ef\u80fd\u6027\u5b58\u5728\uff01(\u5b9e\u9645\u4e0a\u53d1\u751f\u4e86&#8230;)<\/p>\n<p>\u6211\u89c9\u5f97\u5177\u4f53\u6765\u8bf4\uff0c\u5982\u679c\u80fd\u591f\u6536\u96c6\u5230\u4ee5\u4e0b\u7684\u8fd9\u4e9b\u4fe1\u606f\u5c31\u597d\u4e86\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u30fc\u306e\u53f0\u6570<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u969c\u5bb3\u6642\u306e\u5bfe\u5fdc<\/ul>\n<h2>\u8fdb\u884c\u529f\u80fd\u9a8c\u8bc1\u7684\u65b9\u6cd5<\/h2>\n<p>\u90a3\u4e48\uff0c\u6211\u5c06\u5177\u4f53\u4ecb\u7ecd\u4ece\u9a8c\u8bc1\u8bbe\u8ba1\u5230\u6267\u884c\u7684\u6b65\u9aa4\uff01\u5927\u81f4\u4e0a\uff0c\u6211\u4eec\u5c06\u6309\u7167\u4ee5\u4e0b\u6d41\u7a0b\u8fdb\u884c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8003\u3048\u308b\u30d5\u30a7\u30fc\u30ba(\u304b\u3063\u3053\u3044\u3044\u8a00\u8449\u3092\u4f7f\u3046\u3068\u691c\u8a3c\u8a2d\u8a08)<\/ul>\n<\/li>\n<\/ul>\n<p>\u300c\u4f55\u304c\u898b\u305f\u3044\u306e\u304b\u300d\u3092\u660e\u78ba\u306b\u3059\u308b<br \/>\n\u5fc5\u8981\u306a\u691c\u8a3c\u74b0\u5883\u3092\u8003\u3048\u308b<br \/>\n\u78ba\u8a8d\u9805\u76ee\u3068\u3001\u305d\u306e\u78ba\u8a8d\u65b9\u6cd5\u306e\u6d17\u3044\u51fa\u3057<br \/>\n\u5177\u4f53\u7684\u306a\u691c\u8a3c\u624b\u9806\u3092\u66f8\u304d\u51fa\u3059<\/p>\n<p>\u624b\u3092\u52d5\u304b\u3059\u30d5\u30a7\u30fc\u30ba<\/p>\n<p>\u691c\u8a3c\u74b0\u5883\u306e\u69cb\u7bc9 \/ \u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6e96\u5099(\u5fc5\u8981\u3067\u3042\u308c\u3070)<br \/>\n\u691c\u8a3c\u5b9f\u65bd\uff01<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u9010\u4e00\u4ed4\u7ec6\u770b\u4e00\u770b\u5427\uff01<\/p>\n<h3>\u660e\u786e\u5b9a\u4e49\u60f3\u8981\u770b\u4ec0\u4e48<\/h3>\n<p>\u8ba9\u6211\u4eec\u91cd\u65b0\u786e\u8ba4\u9a8c\u8bc1\u7684\u4e3b\u8981\u76ee\u7684\u3002\u9996\u5148\uff0c\u6211\u4eec\u5c06\u5c3d\u53ef\u80fd\u5217\u4e3e\u201c\u5982\u679c\u65e0\u6cd5\u786e\u8ba4\u8fd9\u4e00\u70b9\u4f1a\u611f\u5230\u4e0d\u5b89\u201d\u7684\u89c2\u70b9\u3002\u5e38\u89c1\u7684\u89c2\u70b9\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a5f\u80fd\u9762\u3067\u306e\u4e0d\u5b89<\/ul>\n<\/li>\n<\/ul>\n<p>\u6a5f\u80fd\u8981\u6c42\u304c\u6e80\u305f\u3059\u3088\u3046\u52d5\u4f5c\u3057\u3066\u304f\u308c\u308b\u304b<br \/>\n\u969c\u5bb3\u6642\u3001\u60f3\u5b9a\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u3057\u3066\u304f\u308c\u308b\u304b<\/p>\n<p>\u6027\u80fd\u9762\u3067\u306e\u4e0d\u5b89<\/p>\n<p>\u901a\u5e38\u6642\u306e\u8ca0\u8377\u306e\u6642\u3001\u975e\u6a5f\u80fd\u8981\u6c42\u3092\u6e80\u305f\u305b\u3066\u3044\u308b\u304b<br \/>\n\u30d4\u30fc\u30af\u6642\u306e\u8ca0\u8377\u306e\u6642\u3001\u30a8\u30e9\u30fc\u3084\u6975\u7aef\u306a\u9045\u5ef6\u304c\u767a\u751f\u3057\u306a\u3044\u304b<\/p>\n<p>\u7136\u540e\uff0c\u6839\u636e\u9879\u76ee\u7684\u60c5\u51b5\uff0c\u6574\u7406\u9700\u8981\u786e\u8ba4\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\u201c\u8fd9\u4e2a\u662f\u9700\u8981\u786e\u8ba4\u7684\u201d\u3001\u201c\u5373\u4f7f\u72af\u9519\u6700\u7cdf\u7cd5\u4e5f\u80fd\u5728\u540e\u9762\u89e3\u51b3\u201d\u3002<\/p>\n<h3>\u8003\u8651\u6240\u9700\u7684\u9a8c\u8bc1\u73af\u5883\u3002<\/h3>\n<p>\u5728\u8003\u8651\u9a8c\u8bc1\u60f3\u8981\u89c2\u770b\u7684\u5185\u5bb9\u65f6\uff0c\u6211\u4eec\u9700\u8981\u8003\u8651\u6240\u9700\u7684\u9a8c\u8bc1\u73af\u5883\u3002<\/p>\n<p>\u25bc\u6211\u4eec\u7684\u76ee\u6807\u662f\u6536\u96c6\u6700\u4f4e\u9650\u5ea6\u4ee5\u4e0b\u7684\u4fe1\u606f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u30fc\u306f\u4f55\u53f0?<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u30fc\u306e<\/ul>\n<\/li>\n<\/ul>\n<p>OS\u306f?<br \/>\n\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306f?<br \/>\n\u30de\u30b7\u30f3\u30b9\u30da\u30c3\u30af\u306f?<\/p>\n<p>CPU\u30e2\u30c7\u30eb\u3068\u30af\u30ed\u30c3\u30af\u6570<br \/>\nCPU\u306e\u30b3\u30a2\u6570<br \/>\n\u30e1\u30e2\u30ea<br \/>\n\u30c7\u30a3\u30b9\u30af<\/p>\n<p>HDD\u304bSSD\u304b<br \/>\n\u30b5\u30a4\u30ba<br \/>\nIOPS<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p>\n<p>\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b<br \/>\n\u5e2f\u57df\u5e45<\/p>\n<h4>\u6027\u80fd\u691c\u8a3c\u65f6\u9700\u8981\u6ce8\u610f\u7684\u8981\u70b9<\/h4>\n<p>\u57fa\u672c\u4e0a\uff0c\u6211\u89ba\u5f97\u53ef\u4ee5\u901a\u904e\u5728\u96f2\u7aef\u5275\u5efa\u5be6\u4f8b\uff0c\u89c0\u5bdf\u5728\u8ca0\u8f09\u4e0b\u7684\u8cc7\u6e90\u6d88\u8017\uff0c\u7136\u5f8c\u6839\u64da\u9700\u8981\u63d0\u9ad8\u6216\u964d\u4f4e\u6a5f\u5668\u898f\u683c\uff0c\u4ee5\u627e\u5230\u6eff\u8db3\u975e\u529f\u80fd\u9700\u6c42\u7684\u9069\u7576\u6578\u503c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u4e00\u958b\u59cb\u6642\uff0c\u6a5f\u5668\u898f\u683c\u53ea\u80fd\u66ab\u6642\u653e\u7f6e\uff0c\u6211\u8a8d\u70ba\u6700\u597d\u7684\u65b9\u6cd5\u662f\u6839\u64da\u76f4\u89ba\u4f30\u8a08\u300c\u9019\u500b\u898f\u683c\u61c9\u8a72\u8db3\u5920\u597d\u4e86\u300d\u3002<\/p>\n<p>\u76f8\u8f03\u65bc\u5f9e1\u6838\u5fc31GB\u958b\u59cb\u9010\u6b65\u63d0\u5347\uff0c\u9019\u7a2e\u65b9\u5f0f\u61c9\u8a72\u66f4\u70ba\u9ad8\u6548\u3002<\/p>\n<h3>3. \u5217\u51fa\u786e\u8ba4\u9879\u76ee\u4ee5\u53ca\u76f8\u5e94\u7684\u786e\u8ba4\u65b9\u6cd5.<\/h3>\n<p>\u6211\u4eec\u5e94\u8be5\u8003\u8651\u5177\u4f53\u9a8c\u8bc1\u4e2d\u9700\u8981\u786e\u8ba4\u4ec0\u4e48\uff0c\u5982\u4f55\u8fdb\u884c\u786e\u8ba4\uff0c\u4ee5\u53ca\u5982\u4f55\u8bb0\u5f55\u786e\u8ba4\u7ed3\u679c\uff01<\/p>\n<p>\u5982\u679c\u8981\u5217\u4e3e\u5e38\u89c1\u7684\u786e\u8ba4\u4e8b\u9879\uff0c\u6211\u80fd\u60f3\u5230\u4ee5\u4e0b\u7684\u4e00\u4e9b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb<\/ul>\n<\/li>\n<\/ul>\n<p>CPU\u4f7f\u7528\u7387<br \/>\n\u30e1\u30e2\u30ea\u4f7f\u7528\u7387<br \/>\nIOPS<br \/>\nNet IO<br \/>\nLoad average<br \/>\n\u30c7\u30a3\u30b9\u30afIO<\/p>\n<p>\u51e6\u7406\u95a2\u9023<\/p>\n<p>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<br \/>\n\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u306a\u3044\u304b<\/p>\n<p>DB\u95a2\u9023<\/p>\n<p>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570<br \/>\n\u30c7\u30fc\u30bf\u4ef6\u6570<\/p>\n<p>\u53e6\u5916\uff0c\u6211\u7ecf\u5e38\u4f7f\u7528\u7684\u786e\u8ba4\u65b9\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb<\/ul>\n<\/li>\n<\/ul>\n<p>dstat -tcmlrdn \u3067\u5168\u90e8\u898b\u308c\u307e\u3059<\/p>\n<p>\u51e6\u7406\u95a2\u9023<\/p>\n<p>\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u51fa\u529b\u3057\u305f\u308a\u3001\u8ca0\u8377\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u305f\u308a\u2026<\/p>\n<p>DB\u95a2\u9023<\/p>\n<p>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570<\/p>\n<p>MySQL &#8211; mysqladmin -h -u root -p -i 60 extended-status|grep conn<br \/>\nCassandra &#8211; nodetool netstats<\/p>\n<p>\u30c7\u30fc\u30bf\u4ef6\u6570<\/p>\n<p>MySQL &#8211; SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = &#8216;your db name&#8217; AND TABLE_NAME = &#8216;your table name&#8217;;<br \/>\nCassandra &#8211; SELECT COUNT() FROM table name \u3082\u3057\u304f\u306f nodetool cfhistograms(estimate\u306e\u5024)<\/p>\n<h4>\u95f2\u804a\uff1a\u5bf9\u4e8e\u8d44\u6e90\u6d88\u8017\u8bb0\u5f55\uff0c\u4f7f\u7528ddstat\u975e\u5e38\u65b9\u4fbf\u3002<\/h4>\n<p>\u5728\u76d1\u63a7\u8d44\u6e90\u6d88\u8017\u7684\u65f6\u5019\uff0c\u901a\u5e38\u6211\u4f1a\u4f7f\u7528dstat\uff0c\u5728\u4ec5\u4ec5\u89c2\u770b\u6570\u5b57\u7684\u60c5\u51b5\u4e0b\uff0c\u5e76\u4e0d\u80fd\u5f88\u597d\u5730\u4e86\u89e3\u6574\u4f53\u60c5\u51b5\uff0c\u6211\u7ecf\u5e38\u6e34\u671b\u6709\u56fe\u8868\u6765\u5e2e\u52a9\u6211\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cddstat\u975e\u5e38\u5b9e\u7528\uff01<\/p>\n<p>\u6211\u505a\u4e86\u4e00\u4e2a\u5c06dstat\u5b9e\u65f6\u6570\u636e\u8f6c\u5316\u4e3a\u56fe\u5f62\u7684\u5de5\u5177ddstat\u3002<\/p>\n<p>Datadog\u662f\u4e00\u4e2a\u63d0\u4f9b\u6570\u636e\u4fdd\u7559\u670d\u52a1\u7684\u514d\u8d39\u8d26\u6237\uff0c\u4f46\u5b83\u53ea\u80fd\u4fdd\u755924\u5c0f\u65f6\u7684\u6570\u636e\uff0c\u4e0d\u8fc7\u5bf9\u6211\u6765\u8bf4\u6ca1\u4ec0\u4e48\u5927\u95ee\u9898\uff0c\u53ea\u8981\u5feb\u901f\u4fdd\u5b58\u7ed3\u679c\u5c31\u597d\u3002<\/p>\n<p>\u6700\u8fd1\u6211\u4e5f\u5728\u8003\u8651\u5b89\u88c5\u50cfZabbix\u3001Munin\u4e00\u7c7b\u7684\u76d1\u63a7\u5de5\u5177\uff0c\u4e5f\u8bb8\u8fd9\u4e5f\u662f\u4e00\u4e2a\u9009\u62e9\uff0c\u867d\u7136\u53ef\u80fd\u6709\u70b9\u5938\u5f20\u3002<\/p>\n<h4>\u4f59\u8ac72\uff1a\u5728\u8fdb\u884c\u5404\u79cd\u76d1\u63a7\u65f6\uff0c\u5c4f\u5e55\u975e\u5e38\u65b9\u4fbf\uff01<\/h4>\n<p>\u5f53\u6211\u5728\u8fdb\u884c\u5404\u79cd\u76d1\u89c6\u65f6\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u521d\u5b66\u8005\u7684\u6211\u50cf\u4e2a\u50bb\u74dc\u4e00\u6837\u6253\u5f00\u4e86\u5f88\u591a\u7a97\u53e3\u2026\u2026\u3002<br \/>\n\u5982\u679c\u4f7f\u7528screen\uff0c\u5c31\u4e0d\u9700\u8981\u505a\u8fd9\u6837\u7684\u4e8b\u60c5\u4e86\uff01<\/p>\n<p>\u57fa\u672c\u4e0a\uff0c\u6211\u662f\u8fd9\u6837\u60f3\u7684<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">screen<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u76e3\u8996\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">ctrl+a d \u3067\u30c7\u30a3\u30bf\u30c3\u30c1<\/ul>\n<p>\u6211\u53ea\u4f7f\u7528\u8fc7\u4e00\u6b21\uff0c\u4f46\u975e\u5e38\u65b9\u4fbf\u800c\u4e14\u6551\u4e86\u6211\u7684\u547d\u3002<br \/>\n\u8bf7\u53c2\u8003\u4e0b\u9762\u8fd9\u7bc7\u6587\u7ae0\u4ee5\u4e86\u89e3\u66f4\u8be6\u7ec6\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<br \/>\nscreen\u547d\u4ee4\u7684\u8981\u70b9\u3002<\/p>\n<h3>4. \u5199\u4e0b\u5177\u4f53\u7684\u7684\u9a8c\u8bc1\u6b65\u9aa4\u3002<\/h3>\n<p>\u53ea\u8981\u6309\u7167\u8fd9\u4efd\u6587\u4ef6\u7684\u6307\u793a\u6309\u952e\u64cd\u4f5c\uff0c\u5c31\u80fd\u5b8c\u6210\u9a8c\u8bc1\uff0c\u8fd9\u662f\u5236\u5b9a\u9a8c\u8bc1\u6b65\u9aa4\u7684\u76ee\u6807\uff0c\u76f4\u5230\u8fbe\u5230&#8221; &#8220;\u7684\u6c34\u5e73\u3002<br \/>\n\u6211\u60f3\u8c61\u4e2d\u7684\u753b\u9762\u50cf\u4e0b\u9762\u8fd9\u5f20\u56fe\u7247\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u76ee\u7684\u3001\u3084\u308a\u305f\u3044\u3053\u3068<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9 \/ \u4f5c\u696d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u30b5\u30fc\u30d0\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5099\u8003<\/ul>\n<p>\u6211\u6b63\u5728\u4e00\u6b65\u4e00\u6b65\u5730\u5199\u8fd9\u4e2a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90df913a08637a6dd9f3\/55-0.png\" alt=\"\u30ad\u30e3\u30d7\u30c1\u30e3.PNG\" \/><\/div>\n<p>\u8bda\u5b9e\u5730\u8bf4\uff0c\u6211\u89c9\u5f97\u5728\u8fd9\u91cc\u53ef\u80fd\u8fd8\u6709\u4e00\u4e9b\u53ef\u4ee5\u505a\u51fa\u6539\u8fdb\u7684\u5730\u65b9&#8230;\u4f46\u662f\uff0c\u7531\u4e8e\u6211\u60f3\u4e0d\u5230\u5176\u4ed6\u66f4\u597d\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u76ee\u524d\u6211\u53ea\u80fd\u4f7f\u7528\u8fd9\u4e2a\u683c\u5f0f\u8fdb\u884c\u603b\u7ed3\u3002<\/p>\n<h3>5. \u5efa\u7acb\u9a8c\u8bc1\u73af\u5883\/\u51c6\u5907\u811a\u672c\uff08\u5982\u679c\u9700\u8981\uff09<\/h3>\n<p>\u8ba9\u6211\u4eec\u6784\u5efa\u7528\u4e8e\u8fdb\u884c\u9a8c\u8bc1\u7684\u73af\u5883\uff0c\u5e76\u5b9e\u65bd\u811a\u672c\uff01<br \/>\n\u7531\u4e8e\u4e0d\u540c\u7684\u9a8c\u8bc1\u4f1a\u6709\u4e0d\u540c\u7684\u8981\u6c42\uff0c\u5728\u672c\u6587\u6863\u4e2d\u4e0d\u4f1a\u8be6\u7ec6\u8bf4\u660e\u8fd9\u4e2a\u90e8\u5206\u3002<br \/>\n\u4f46\u662f\uff0c\u8fd9\u901a\u5e38\u662f\u51fa\u73b0\u6700\u591a\u95ee\u9898\u7684\u5730\u65b9&#8230;\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u7edd\u5bf9\uff01\uff01\uff01\u9700\u8981\u505a\u7684\u4e00\u4ef6\u4e8b\u662f\u6574\u7406\u73af\u5883\u8bbe\u7f6e\u6b65\u9aa4\u5e76\u505a\u597d\u5907\u5fd8\u5f55\u3002\u5f53\u90e8\u7f72\u5230\u751f\u4ea7\u73af\u5883\u65f6\uff0c\u6216\u8005\u56e2\u961f\u6210\u5458\u5728\u7c7b\u4f3c\u7684\u73af\u5883\u4e2d\u8fdb\u884c\u67d0\u79cd\u5b9e\u73b0\u65f6\uff0c\u4e3a\u4e86\u672a\u6765\u7684\u81ea\u5df1&#8230;\u8fd9\u79cd\u672a\u6765\u53ef\u80fd\u4f1a\u6709\u5f88\u9ad8\u7684\u53ef\u80fd\u6027\u51fa\u73b0\uff0c\u4f1a\u5bf9\u672a\u6765\u6709\u5e2e\u52a9\u7684\u65f6\u523b\u3002\u8fd9\u51e0\u4e4e\u4e0d\u9700\u8981\u82b1\u8d39\u592a\u591a\u65f6\u95f4\uff0c\u6240\u4ee5\u52a1\u5fc5\u52a1\u5fc5\u505a\u597d\u5907\u5fd8\u5f55\uff01\u800c\u4e14\uff0c\u5982\u679c\u4f60\u8fd8\u521b\u5efa\u4e86\u4e00\u4e2aAnsible\u7684Playbook\uff0c\u4f60\u7684\u540c\u50da\u4eec\u53ef\u80fd\u4f1a\u62ac\u5934\u4ef0\u671b\u4f60\u3002<\/p>\n<h3>\u8fdb\u884c\u9a8c\u8bc1\uff01<\/h3>\n<p>\u53ea\u9700\u8981\u6267\u884c\u5e76\u6574\u7406\u7ed3\u679c\u4e86\u3002<br 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