{"id":472121,"date":"2021-05-03T19:21:12","date_gmt":"2021-05-03T11:21:12","guid":{"rendered":"http:\/\/4563.org\/?p=472121"},"modified":"2021-05-03T19:21:12","modified_gmt":"2021-05-03T11:21:12","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ad%98%e5%82%a8%e5%9c%a8%e7%89%a9%e7%90%86%e4%b8%8a%e6%98%af%e5%90%a6%e8%bf%9e%e7%bb%ad%ef%bc%8c%e5%a6%82%e6%9e%9c%e4%b8%8d%e8%bf%9e%e7%bb%ad%e9%82%a3%e4%b9%88%e5%a6%82","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=472121","title":{"rendered":"\u6570\u636e\u5e93\u5b58\u50a8\u5728\u7269\u7406\u4e0a\u662f\u5426\u8fde\u7eed\uff0c\u5982\u679c\u4e0d\u8fde\u7eed\u90a3\u4e48\u5982\u4f55\u4fdd\u8bc1\u8bfb\u53d6\u901f\u5ea6\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u6570\u636e\u5e93\u5b58\u50a8\u5728\u7269\u7406\u4e0a\u662f\u5426\u8fde\u7eed\uff0c\u5982\u679c\u4e0d\u8fde\u7eed\u90a3\u4e48\u5982\u4f55\u4fdd\u8bc1\u8bfb\u53d6\u901f\u5ea6\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <span><i><\/i> 0<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\">                        \u5982\u9898\u3002\u6700\u8fd1\u770b b+\u6811\u83ab\u540d\u8054\u60f3\u5230\u6570\u636e\u5e93\u641c\u7d22\u7684\u95ee\u9898\u3002b+\u6811\u5f53\u7136\u662f\u5f88\u806a\u660e\u7684\u7b97\u6cd5\uff0c\u4e0d\u8fc7\u4ece\u7b97\u6cd5\u5230\u843d\u5730\u4e2d\u95f4\u8fd8\u6709\u4e00\u4e9b\u8fc7\u7a0b\uff0c\u6bd4\u5982\uff0c<\/p>\n<p>1 \u3001\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6bd4\u5982 mysql \u6216\u8005 oracle\uff0c\u5176\u6301\u4e45\u5316\u65f6\u5728\u7269\u7406\u4e0a\u7684\u5730\u5740\u662f\u7531\u7cfb\u7edf\u7ba1\u7406\u8fd8\u662f\u7531\u81ea\u8eab\u5f00\u8f9f\u51fa\u4e00\u6bb5\u9884\u7559\u7a7a\u95f4\u6765\u7ba1\u7406\uff1f<\/p>\n<p>2 \u3001\u65e0\u8bba\u7531\u8c01\u7ba1\u7406\uff0c\u5e94\u8be5\u90fd\u907f\u514d\u4e0d\u4e86\u788e\u7247\u5316\u7684\u95ee\u9898\uff0c\u7531\u7cfb\u7edf\u7ba1\u7406\u7684\u8bdd\u4f3c\u4e4e\u788e\u7247\u95f4\u9694\u5728\u7269\u7406\u4e0a\u4f1a\u66f4\u5927\u4e00\u4e9b\uff1f\u4e0d\u8fc7\u53ea\u8981\u788e\u7247\u5316\uff0c\u6bd4\u5982\u6211\u4eec\u73b0\u5728\u5728\u4f7f\u7528\u673a\u68b0\u786c\u76d8\uff0c\u662f\u5426\u610f\u5473\u7740\u6781\u7aef\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\u7d22\u5f15\u6570\u636e\u50a8\u5b58\u5728 n \u4e2a\u5b8c\u5168\u4e0d\u76f8\u5e72\u7684\u7269\u7406\u6247\u533a\uff0c\u6211\u4eec\u4ee5\u4e3a\u5f88\u5feb\u7684\u7d22\u5f15\uff0c\u5b9e\u9645\u4e5f\u8981\u7ecf\u8fc7\u51e0\u6b21\u673a\u68b0\u786c\u76d8\u8f6c\u52a8\u624d\u80fd\u83b7\u53d6\u5230\u7ed3\u679c\uff1f\u90a3\u4e5f\u592a\u6162\u4e86<\/p>\n<p>3 \u3001\u8fd9\u662f\u5426\u610f\u5473\u7740\u4f7f\u7528\u56fa\u6001\u786c\u76d8\u6301\u4e45\u5316\u6548\u7387\u8fdc\u6bd4\u673a\u68b0\u786c\u76d8\u9ad8\uff1f\u5728\u5b58\u50a8\u6570\u636e\u8fd9\u5e93\u70b9\u4e0a      <\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>16<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"5844730\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ryd994 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             1. \u6240\u4ee5\u8981\u63a7\u5236\u7d22\u5f15\u5927\u5c0f\uff0c\u4fdd\u8bc1\u7d22\u5f15\u80fd\u5728\u5185\u5b58\u91cc\u3002<br \/>2. \u6570\u636e\u5e93\u6027\u80fd\u786e\u5b9e\u8981\u770b\u786c\u76d8 iops                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844731\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @ryd994 \u8bf4\u662f\u8fd9\u4e48\u8bf4\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u7d22\u5f15\u5927\u5c0f\u90fd\u662f\u8ddf\u4e1a\u52a1\u76f8\u5173\u7684\u5427\uff0c\u80fd\u52a0\u7684\u90fd\u52a0\uff0c\u8981\u4e0d\u7136\u5c31\u53d8\u6210 ALL \u641c\u7d22\u4e86\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844732\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Mithril <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             1. \u6301\u4e45\u5316\u7ba1\u7406\u672c\u8eab\u5c31\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u4e00\u5927\u529f\u80fd\u3002<br \/>2. \u5982\u679c\u7eaf\u7cb9\u662f\u4ece\u786c\u76d8\u8bfb\u53d6\u7684\u8bdd\u662f\u6709\u53ef\u80fd\u7684\uff0c\u4e00\u822c\u6570\u636e\u5e93\u4f1a\u4e3a\u4e86\u907f\u514d\u8fd9\u6837\u9884\u5148\u5206\u914d\u597d\u4e00\u5b9a\u5927\u5c0f\u7684\u7a7a\u95f4\uff0c\u800c\u4e14\u4e5f\u5141\u8bb8\u7528\u6237\u81ea\u5df1\u63a7\u5236\u3002\u6bd4\u5982\u76f4\u63a5\u5206\u914d\u4e2a\u51e0\u767e G\uff0c\u6216\u8005\u6bcf\u6b21\u6309\u7167\u4e00\u5b9a\u5927\u5c0f\u589e\u957f\u3002\u8fd9\u6837\u7684\u8bdd\u5728\u4e00\u4e2a\u7a7a\u7684\u786c\u76d8\u4e0a\u7a7a\u95f4\u90fd\u4f1a\u662f\u8fde\u7eed\u7684\u3002<br \/>3. \u662f\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844733\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : qaweqa <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6709\u4e9b\u5b9e\u73b0\u4f1a\u5c3d\u53ef\u80fd\u8ba9\u9875\u90fd\u6309\u987a\u5e8f\u5b58\u50a8\u3002\uff08\u4e5f\u5c31\u662f\u6570\u636e\u5e93\u53c2\u4e0e\u7ba1\u7406\uff09                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844734\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : dingwen07 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7b2c\u4e00\u4e2a\u95ee\u9898\u770b\u60c5\u51b5\uff0cOracle \u652f\u6301 RAW \u7684\u5757\u8bbe\u5907\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u7531 Oracle \u6765\u7ba1\u7406\u4e86\u3002<\/p>\n<p>\u4f3c\u4e4e\u56fa\u6001\u786c\u76d8\u5168\u662f\u7531\u4e3b\u63a7\u7ba1\u7406\u7684\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844735\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : shakoon <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u89c9\u5f97\u4e3b\u8fd9\u4e2a\u95ee\u9898\u6d89\u53ca\u5230\u4e86\u5e94\u7528\u7a0b\u5e8f\u5c42\u9762\u3001\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u3001\u786c\u4ef6\u8bbe\u5907\u56fa\u4ef6\u5c42\u9762\u3002\u6bcf\u4e00\u4e2a\u5c42\u9762\u90fd\u6709\u81ea\u5df1\u7684\u4f18\u5316\u7b97\u6cd5\u53ef\u4ee5\u5bf9\u8bfb\u5199\u65b9\u5f0f\u8fdb\u884c\u4e13\u95e8\u6307\u5b9a\uff0c\u4f46\u662f\u4e00\u822c\u6765\u8bf4\uff0c\u5e94\u7528\u7a0b\u5e8f\u548c\u64cd\u4f5c\u7cfb\u7edf\u90fd\u662f\u6ca1\u6709\u529e\u6cd5\u6539\u53d8\u786c\u4ef6\u56fa\u4ef6\u5df2\u7ecf\u8bbe\u5b9a\u597d\u7684\u8bfb\u5199\u65b9\u5f0f\uff0c\u4f46\u662f\u5982\u679c\u89c9\u5f97\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u786c\u4ef6\u7684\u8c03\u5ea6\u7b97\u6cd5\u5bf9\u8be5\u5e94\u7528\u4e0d\u591f\u6700\u4f18\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e5f\u662f\u6709\u53ef\u80fd\u76f4\u63a5\u64cd\u4f5c\u8bfb\u5199\u786c\u4ef6\u7684\uff0c\u4e5f\u5c31\u662f\u8df3\u8fc7\u5927\u90e8\u5206\u64cd\u4f5c\u7cfb\u7edf\u5e38\u89c4\u7684\u786c\u4ef6\u8c03\u7528 api \u3002\u6700\u5e38\u89c1\u7684\u573a\u666f\u5c31\u662f\uff0c\u5404\u79cd\u6570\u636e\u6062\u590d\u8f6f\u4ef6\u3001\u5206\u533a\u8f6f\u4ef6\u3002<br \/>\u5982 5 \u6240\u8a00\uff0c\u5e38\u89c1\u6570\u636e\u5e93 oracle \u3001db2 \u8f83\u65e9\u5df2\u7ecf\u63d0\u4f9b\u4e86\u4ee5 raw \u65b9\u5f0f\u8bfb\u5199\u78c1\u76d8\u4ee5\u63d0\u4f9b\u66f4\u4f18\u5316\u7684 io \u6027\u80fd\u3002\u4f46\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u5bf9\u78c1\u76d8\u662f\u5b8c\u5168\u72ec\u5360\u7684\uff0c\u5373\u8be5\u5206\u533a\u5c06\u5b8c\u5168\u6709\u5e94\u7528\u6240\u8c03\u5ea6\uff0c\u5176\u4ed6\u7a0b\u5e8f\u662f\u4e0d\u80fd\u8fdb\u884c\u4efb\u4f55\u8bbf\u95ee\u548c\u64cd\u4f5c\u7684\u3002<br \/>3 \u8bf4\u7684\u9884\u5148\u5206\u914d\u8868\u7a7a\u95f4\u7684\u65b9\u5f0f\uff0c\u5bf9\u6570\u636e\u4ed3\u5e93\u7c7b\u5927\u91cf insert \u548c select \u7684\u5e94\u7528\u6765\u8bf4\u6548\u7387\u5f88\u9ad8\uff0c\u4f46\u662f\u4e00\u65e6\u6d89\u53ca update \u548c delete\uff0c\u6570\u636e\u4f9d\u7136\u4f1a\u4ea7\u751f\u7269\u7406\u4e0a\u7684\u4e0d\u8fde\u7eed\uff0c\u5f53\u7136\u76f8\u6bd4\u5b8c\u5168\u7531 os \u7ba1\u7406\u8fd8\u662f\u8981\u597d\u5f97\u591a\u3002<br \/>\u56fa\u6001\u786c\u76d8\u6709\u4e0d\u5c11\u4e0d\u4f1a\u6709\u788e\u7247\uff0c\u53ea\u662f\u7531\u4e8e\u5176\u8bfb\u5199\u901f\u5ea6\u8fdc\u9ad8\u4e8e\u78c1\u76d8\u7684\u673a\u68b0\u8fd0\u52a8\uff0c\u788e\u7247\u5e26\u6765\u7684\u5f71\u54cd\u5728\u548c\u78c1\u76d8\u76f8\u6bd4\u4e0a\u5df2\u7ecf\u662f\u82e5\u5e72\u6570\u91cf\u7ea7\u7684\u533a\u522b\u4e86\uff0c\u6240\u4ee5\u4e00\u822c\u90fd\u7ed9\u5ffd\u7565\u6389\u4e86\u3002\u8f83\u5927\u578b\u7684\u6570\u636e\u4e2d\u5fc3\u73b0\u5728\u5df2\u7ecf\u666e\u904d\u5728\u5e94\u7528 ssd \u9635\u5217\u7684\u5b58\u50a8\u8bbe\u5907\u4e86\uff0c\u548c\u4f20\u7edf\u5b58\u50a8\u76f8\u6bd4\u786e\u5b9e\u5feb\u4e86\u51e0\u500d\uff08\u4f46\u6ca1\u6709\u5230\u51e0\u4e2a\u6570\u91cf\u7ea7\u7684\u5dee\u522b\uff09\u3002\u4f46\u662f\u8003\u8651\u5230\u7efc\u5408\u6210\u672c\u7684\u95ee\u9898\uff0c\u957f\u671f\u5b58\u50a8\u7684\u6570\u636e\u4e3b\u8981\u8fd8\u662f\u5728\u78c1\u76d8\u5b58\u50a8\u4e0a\uff0c\u91cd\u8981\u5e94\u7528\u548c\u9700\u8981\u7ecf\u5e38\u8bfb\u5199\u7684\u6570\u636e\u624d\u653e ssd \u4e0a\uff0c\u6bd5\u7adf\u4e8c\u8005\u4ef7\u94b1\u5dee\u5f02\u8fd8\u662f\u5f88\u5927\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844736\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cpstar <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             LZ \u6ca1\u6709\u5b9e\u64cd\u8fc7\u5427\uff0c\u4f7f\u7528\u6587\u4ef6\u5f62\u5f0f MyISAM \u5b58\u50a8\u7684 mysql\uff0c\u8fc7\u4e00\u6bb5\u65f6\u95f4\u65f6\u95f4\uff0c\u8868\u5c31\u5f97 optimize \u4e00\u4e0b\u6e05\u7406\u788e\u7247\uff0cINODB \u4f1a\u597d\u4e00\u4e9b\u3002<br \/>\u8fd9\u4e2a\u4e8b\u60c5\u6d89\u53ca\u5230 DBMS \u7684\u8bbe\u8ba1\u89c4\u5219\uff0c\u6700\u4e0a\u5c42\u7684\u8868\u5f81\u5f53\u7136\u662f\u4e00\u4e2a SELECT \u7684\u6548\u7387\uff0c\u4f46\u662f\u5176\u4e2d\u6d89\u53ca\u5230\u6570\u636e\u6a21\u578b\uff08\u8868\uff09\u7684\u5b58\u50a8\u8bbe\u8ba1\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u4ef6\u673a\u5236\uff08\u78c1\u76d8\u5206\u533a\u683c\u5f0f\uff09\u4ee5\u53ca\u64cd\u4f5c\u7cfb\u7edf\u5c42\u4ee5\u4e0b\u7684\u78c1\u76d8\u9635\u5217\u673a\u5236\uff08\u518d\u5f80\u4e0b\u5c31\u662f\u5355\u76d8\u5185\u90e8\u7684\u7f13\u5b58\u548c\u5b58\u50a8\u7ec4\u7ec7\u5f62\u5f0f\uff09\u3002<br \/>\u8bda\u5982\u4e0a\u4e24\u56de\u590d\u6240\u793a\uff0c\u64cd\u4f5c\u7cfb\u7edf\u6587\u4ef6\u7ba1\u7406\u673a\u5236\u5728\u5176\u4e2d\uff0c\u5e76\u4e0d\u662f\u6700\u5173\u952e\u7684\uff0c\u666e\u904d DBMS \u4f1a\u5411 OS \u7533\u8bf7\u4e00\u4e2a\u8f83\u5927\u7684\u7a7a\u95f4\uff0c\u7136\u540e\u6587\u4ef6\u7cfb\u7edf\u51b3\u5b9a\u662f\u8fde\u7eed\u5b58\u50a8\u8fd8\u662f\u5206\u7247\u5b58\u50a8\uff0c\u6240\u4ee5\u4e3a\u4e86\u8fdb\u4e00\u6b65\u538b\u69a8\uff0c\u5e72\u8106\u628a\u6574\u76d8\u72ec\u5360\u7ed9 DBMS\u2014\u2014\u8fd9\u4e2a\u6574\u76d8\u5e76\u4e0d\u662f\u7269\u7406\u4e0a\u7684\u6574\u76d8\u800c\u662f\u7ecf\u8fc7\u4e86\u8f6f\u786c\u4ef6\u673a\u5236\u6574\u5408\u8fc7\u7684\u6574\u5757\u5b58\u50a8\u533a\u3002\u90a3\u4e48\u900f\u8fc7\u5176\u672c\u8d28\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f DBMS \u5728\u505a\u4e00\u4e2a\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\uff0c\u518d\u8fdb\u4e00\u6b65\u8bf4\uff0c\u5982\u679c\u8fd9\u53f0\u670d\u52a1\u5668\u4e8b\u5b9e\u4e0a\u53ea\u5904\u7406 DBMS\uff0c\u90a3\u4e48\u662f\u4e0d\u662f\u53ef\u4ee5\u628a DBMS \u548c OS \u5408\u5e76\u5728\u4e00\u8d77\uff0c\u6240\u4ee5 Oracle \u6709\u6570\u636e\u5e93\u4e00\u4f53\u673a\uff0cOS \u7ecf\u8fc7\u8c03\u6559\uff0c\u867d\u7136\u8fd8\u662f unix-like\uff0c\u4f46\u5df2\u7ecf\u65e0\u5173\u7d27\u8981\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844737\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ch2 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             SSD \u5e76\u4e0d\u4e00\u5b9a\u6bd4 HDD \u5feb                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844738\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wakzz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             1. MySQL \u7684 innodb \u662f\u901a\u8fc7\u9884\u5148\u5206\u914d\u78c1\u76d8\u7a7a\u95f4\u7684\u5f62\u5f0f\u6765\u51cf\u5c11\u788e\u7247\u5316\u95ee\u9898\uff0c\u9ed8\u8ba4\u662f\u6bcf\u6b21\u7533\u8bf7 1M \u5927\u5c0f\u7684\u8fde\u7eed\u78c1\u76d8\uff1b<br \/>2. \u6bcf 1M \u7684\u8fde\u7eed\u8bfb\u64cd\u4f5c\u624d\u9047\u5230\u4e00\u6b21\u7269\u7406\u4e0d\u8fde\u7eed\uff0c\u5bfc\u81f4\u7684\u6027\u80fd\u6d88\u8017\u5f71\u54cd\u76f8\u5bf9\u8f83\u5c0f\uff0c\u751a\u81f3\u53ef\u4ee5\u5ffd\u7565\uff1b<br \/>3. \u4e8b\u5b9e\u4e0a\u6570\u636e\u5e93\u90fd\u6709\u4e00\u4e2a\u7f13\u5b58\u5c42\u6765\u7f13\u5b58\u7269\u7406\u6587\u4ef6\u6570\u636e\uff0c\u6027\u80fd\u6b63\u5e38\u7684 innodb \u5f15\u64ce\u7684\u7f13\u5b58\u547d\u4e2d\u7387\u8981\u4e0d\u4f4e\u4e8e 99%\uff0c\u5f53\u53d1\u751f\u5927\u91cf\u7f13\u5b58\u547d\u4e2d\u5931\u8d25\u5bfc\u81f4\u5927\u91cf\u78c1\u76d8\u8bfb\u53d6\u65f6\uff0c\u66f4\u5e94\u8be5\u8003\u8651\u5982\u4f55\u63d0\u9ad8\u7f13\u5b58\u547d\u4e2d\u7387\uff0c\u800c\u4e0d\u662f\u7269\u7406\u78c1\u76d8\u788e\u7247\u7684\u95ee\u9898\uff1b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844739\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : chihiro2014 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7cfb\u7edf\u672c\u8eab\u4f1a\u6709\u4e00\u4e2a rowid \u7684\u9690\u85cf\u5b57\u6bb5\uff0c\u6211\u8bb0\u5f97<br \/>\u6570\u636e\u5e93\u4f1a\u5c3d\u91cf\u4fdd\u8bc1\u5c06\u6570\u636e\u8fde\u7eed\u4fdd\u5b58\uff0c\u56e0\u4e3a\u662f\u673a\u68b0\u786c\u76d8\uff0c\u6240\u4ee5\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u65f6\u5019\u9700\u8981\u8003\u8651\u964d\u4f4e\u78c1\u76d8\u81c2\u65cb\u8f6c\u7684\u95ee\u9898\uff0c\u8ba9\u6bcf\u6b21\u8bfb\u53d6 \/\u5199\u5165\u6570\u636e\u65f6\uff0c\u80fd\u5904\u7406\u66f4\u591a\u6570\u636e\u3002<br \/>SSD \u786e\u5b9e\u5c31\u6ca1\u8fd9\u95ee\u9898\u3002\u4f46\u5c06\u6570\u636e\u5c3d\u91cf\u653e\u4e00\u8d77\uff0c\u6027\u80fd\u786e\u5b9e\u4f1a\u63d0\u9ad8\u3002\u9047\u4e0a\u788e\u7247\u5316\u95ee\u9898\uff0cPostgreSQL \u662f\u6709\u4e2a vaccum \u529f\u80fd\uff0c\u53ef\u4ee5\u6e05\u7406\uff0c\u91cd\u65b0\u6574\u7406\u6570\u636e\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844740\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @shakoon \u611f\u8c22\u56de\u590d\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u6240\u8c13\u7684 raw \u65b9\u5f0f\u64cd\u4f5c\u78c1\u76d8\uff0c\u5728\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u76f4\u63a5\u64cd\u4f5c\u786c\u4ef6\u5e94\u8be5\u662f\u88ab\u7981\u6b62\u7684\uff0c\u90a3\u4e48\u4ed6\u662f\u600e\u4e48\u5b9e\u73b0\u6240\u8c13\u72ec\u5360\u7684\u5462\u3002<\/p>\n<p>@cpstar \u6211\u53f8\u6570\u636e\u5e93\u7ba1\u7406\u4e0d\u7531\u5f00\u53d1\u4eba\u5458\u8d1f\u8d23\uff0c\u6211\u4e5f\u662f\u786e\u5b9e\u7b2c\u4e00\u6b21\u542c\u8bf4\u5b9e\u9645\u751f\u4ea7\u662f\u9700\u8981\u663e\u793a\u8c03\u7528\u4f18\u5316\u4ed6\u624d\u4f1a\u4f18\u5316\uff0c\u636e\u6211\u6240\u77e5\u6211\u4eec\u662f\u6ca1\u505a\uff0c\u90a3\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u53ef\u7528\u6027\u611f\u89c9\u53c8\u662f\u4e00\u4e2a\u5927\u5751\u3002\u3002<\/p>\n<p>@wakzz \u7f13\u5b58\u547d\u4e2d\u7387\u8fd9\u4e2a\u95ee\u9898\uff0c\u611f\u89c9\u662f\u540c\u4e00\u4e2a\u95ee\u9898\u554a\uff0c\u7f13\u5b58\u5c42\u7684\u5b9e\u73b0\u5e94\u8be5\u53ea\u80fd\u6267\u884c\u4e00\u4e9b\u5f88\u7b80\u5355\u7684\u903b\u8f91\uff0c\u6bd5\u7adf\u8fd8\u662f\u4f9d\u8d56\u7269\u7406\uff0c\u6240\u4ee5\u7269\u7406\u5982\u4f55\u5b58\u50a8\u7684\u5e94\u8be5\u5c31\u4f1a\u5f71\u54cd\u7f13\u5b58\u547d\u4e2d\u7387                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844741\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : XiaoxiaoPu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @LeeReamond \u4e0d\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff0c\u76f4\u63a5\u8bfb\u5199\u5757\u8bbe\u5907(\u4f8b\u5982 \/dev\/sda)\u5c31\u53ef\u4ee5\u505a\u5230\u4e86\u3002\u6781\u7aef\u70b9\uff0c\u8fde\u5185\u6838\u9a71\u52a8\u90fd\u53ef\u4ee5\u7ed5\u8fc7\uff0c\u6bd4\u5982 SPDK                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844742\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : dblpx <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6bcf\u6b21\u7533\u8bf7 1M \u7684\u8fde\u7eed\u7a7a\u95f4\u5417\uff0cinnodb \u6bcf\u4e00\u9875\u662f 16k\uff0cB+\u6811\u6bcf\u4e2a\u8282\u70b9\u4e5f\u662f 16k \u300116k \u4ece\u78c1\u76d8\u8bfb\uff0c\u6211\u8fd8\u4ee5\u4e3a\u7533\u8bf7\u7a7a\u95f4\u4e5f\u662f\u6bcf\u6b21 16k                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844743\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : dblpx <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wakzz \u6bcf\u6b21\u7533\u8bf7 1M \u7684\u8fde\u7eed\u7a7a\u95f4\u5417\uff0cinnodb \u6bcf\u4e00\u9875\u662f 16k\uff0cB+\u6811\u6bcf\u4e2a\u8282\u70b9\u4e5f\u662f 16k \u300116k \u4ece\u78c1\u76d8\u8bfb\uff0c\u6211\u8fd8\u4ee5\u4e3a\u7533\u8bf7\u7a7a\u95f4\u4e5f\u662f\u6bcf\u6b21 16k                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844744\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wakzz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @LeeReamond mysql \u7684 innodb \u7684\u7f13\u5b58\u5c42\u662f\u76f4\u63a5\u7f13\u5b58\u7684\u78c1\u76d8\u6587\u4ef6\uff0c\u4e0d\u662f\u5bf9 sql \u7ed3\u679c\u7684\u7f13\u5b58\uff0c\u800c\u662f\u5bf9\u7269\u7406\u6587\u4ef6\u5206\u7247(\u6bcf\u4e2a\u5206\u7247\u9ed8\u8ba4 16K)\u7684\u7f13\u5b58\u3002<br \/>\u6bd4\u5982\u4e00\u4e2a\u67e5\u8be2\u6d89\u53ca\u5230\u591a\u6761\u884c\u8bb0\u5f55\uff0cinnodb \u4f1a\u5148\u53bb\u7d22\u5f15\u6811\u627e\u5230\u5bf9\u5e94\u8bb0\u5f55\u7684\u5177\u4f53\u7269\u7406\u6587\u4ef6\u5206\u7247\u4f4d\u7f6e\uff0c\u7136\u540e\u5230\u7f13\u5b58\u5c42\u5c1d\u8bd5\u547d\u4e2d\u8fd9\u51e0\u6761\u8bb0\u5f55\u6240\u5728\u7684\u7269\u7406\u6587\u4ef6\u5206\u7247\u3002\u7f13\u5b58\u547d\u4e2d\u4e0d\u5230\u540e\u518d\u53bb\u7269\u7406\u78c1\u76d8\u4e0a\u8bfb\u53d6\u6587\u4ef6\u5206\u7247\u6570\u636e\uff0c\u7136\u540e\u518d\u5728\u5185\u5b58\u4e2d\u805a\u5408\u67e5\u8be2\u5904\u7406\u64cd\u4f5c\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5844745\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wakzz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @dblpx \u662f\u7684\uff0cinnodb \u9ed8\u8ba4 16K \u4e00\u4e2a\u6570\u636e\u9875\uff0c\u7136\u540e\u9ed8\u8ba4\u6bcf 64 \u4e2a\u6570\u636e\u9875\u6784\u6210\u4e00\u4e2a\u7ec4\uff0c\u7ec4\u5c31\u662f\u7269\u7406\u78c1\u76d8\u7a7a\u95f4\u7533\u8bf7\u7684\u6700\u5c0f\u5355\u4f4d\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u5e93\u5b58\u50a8\u5728\u7269\u7406\u4e0a\u662f\u5426\u8fde\u7eed\uff0c\u5982\u679c\u4e0d&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/472121"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=472121"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/472121\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=472121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=472121"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=472121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}