{"id":76134,"date":"2024-10-16T04:08:21","date_gmt":"2024-10-15T20:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76134\/"},"modified":"2024-10-16T04:08:21","modified_gmt":"2024-10-15T20:08:21","slug":"mysql%e5%85%a7%e5%ad%98%e8%a1%a8heap%e4%bd%bf%e7%94%a8%e7%b8%bd%e7%b5%90%e6%ad%b8%e7%b4%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76134\/","title":{"rendered":"MySQL\u5167\u5b58\u8868HEAP\u4f7f\u7528\u7e3d\u7d50\u6b78\u7d0d"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a7%e5%ad%98%e8%a1%a8heap%e4%bd%bf%e7%94%a8%e7%b8%bd%e7%b5%90%e6%ad%b8%e7%b4%8d-EhDcsUNKxK\">MySQL\u5167\u5b58\u8868HEAP\u4f7f\u7528\u7e3d\u7d50\u6b78\u7d0d<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0c\u800cHEAP\u8868\uff08\u4e5f\u7a31\u70ba\u5167\u5b58\u8868\uff09\u662fMySQL\u4e2d\u4e00\u7a2e\u7279\u6b8a\u7684\u8868\u985e\u578b\u3002HEAP\u8868\u7684\u4e3b\u8981\u7279\u9ede\u662f\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u5176\u5728\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u4e0a\u5177\u6709\u6975\u9ad8\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u5c0dMySQL\u5167\u5b58\u8868HEAP\u7684\u4f7f\u7528\u9032\u884c\u7e3d\u7d50\u548c\u6b78\u7d0d\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u53ca\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"heap%e8%a1%a8%e7%9a%84%e7%89%b9%e6%80%a7-EhDcsUNKxK\">HEAP\u8868\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u5b58\u5132\u65b9\u5f0f\uff1a<\/strong>HEAP\u8868\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u610f\u5473\u8457\u5176\u8b80\u53d6\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4f46\u540c\u6642\u4e5f\u610f\u5473\u8457\u6578\u64da\u7684\u6301\u4e45\u6027\u8f03\u5dee\uff0c\u56e0\u70ba\u7576\u670d\u52d9\u5668\u91cd\u555f\u6216\u5d29\u6f70\u6642\uff0c\u5167\u5b58\u4e2d\u7684\u6578\u64da\u5c07\u6703\u4e1f\u5931\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\uff1a<\/strong>HEAP\u8868\u652f\u6301\u7684\u6578\u64da\u985e\u578b\u8207MyISAM\u8868\u76f8\u4f3c\uff0c\u4f46\u4e0d\u652f\u6301BLOB\u548cTEXT\u985e\u578b\u3002<\/li>\n<li><strong>\u7d22\u5f15\u652f\u6301\uff1a<\/strong>HEAP\u8868\u652f\u6301\u7d22\u5f15\uff0c\u4f46\u4e0d\u652f\u6301\u5168\u6587\u7d22\u5f15\u3002\u7d22\u5f15\u7684\u4f7f\u7528\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u81ea\u52d5\u589e\u9577\uff1a<\/strong>HEAP\u8868\u4e0d\u652f\u6301\u81ea\u52d5\u589e\u9577\u7684\u4e3b\u9375\uff0c\u9019\u610f\u5473\u8457\u5728\u63d2\u5165\u6578\u64da\u6642\u9700\u8981\u624b\u52d5\u6307\u5b9a\u4e3b\u9375\u7684\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"heap%e8%a1%a8%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-EhDcsUNKxK\">HEAP\u8868\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-EhDcsUNKxK\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>\u7531\u65bc\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0cHEAP\u8868\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u9700\u8981\u9ad8\u983b\u7387\u8b80\u53d6\u7684\u5834\u666f\u3002<\/li>\n<li><strong>\u7c21\u55ae\u7684\u7d50\u69cb\uff1a<\/strong>HEAP\u8868\u7684\u7d50\u69cb\u76f8\u5c0d\u7c21\u55ae\uff0c\u9069\u5408\u7528\u65bc\u81e8\u6642\u6578\u64da\u7684\u5b58\u5132\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-EhDcsUNKxK\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u6578\u64da\u4e1f\u5931\u98a8\u96aa\uff1a<\/strong>\u7531\u65bc\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u670d\u52d9\u5668\u91cd\u555f\u6216\u5d29\u6f70\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\uff0c\u56e0\u6b64\u4e0d\u9069\u5408\u5b58\u5132\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236\uff1a<\/strong>HEAP\u8868\u7684\u5927\u5c0f\u53d7\u9650\u65bc\u53ef\u7528\u5167\u5b58\uff0c\u7576\u6578\u64da\u91cf\u904e\u5927\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"heap%e8%a1%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-EhDcsUNKxK\">HEAP\u8868\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>HEAP\u8868\u9069\u5408\u7528\u65bc\u4ee5\u4e0b\u5e7e\u7a2e\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u81e8\u6642\u6578\u64da\u5b58\u5132\uff1a<\/strong>\u4f8b\u5982\uff0c\u5b58\u5132\u7528\u6236\u6703\u8a71\u4fe1\u606f\u6216\u8a08\u7b97\u7d50\u679c\u7b49\u81e8\u6642\u6578\u64da\u3002<\/li>\n<li><strong>\u9ad8\u983b\u67e5\u8a62\uff1a<\/strong>\u5728\u9700\u8981\u5feb\u901f\u67e5\u8a62\u7684\u61c9\u7528\u4e2d\uff0cHEAP\u8868\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u74b0\u5883\uff1a<\/strong>\u5728\u958b\u767c\u548c\u6e2c\u8a66\u968e\u6bb5\uff0cHEAP\u8868\u53ef\u4ee5\u7528\u4f86\u5feb\u901f\u6e2c\u8a66\u6578\u64da\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%baheap%e8%a1%a8-EhDcsUNKxK\">\u5982\u4f55\u5275\u5efaHEAP\u8868<\/h2>\n<p>\u5275\u5efaHEAP\u8868\u7684\u8a9e\u6cd5\u8207\u5275\u5efa\u5176\u4ed6\u985e\u578b\u7684\u8868\u985e\u4f3c\uff0c\u53ea\u9700\u5728CREATE TABLE\u8a9e\u53e5\u4e2d\u6307\u5b9aENGINE\u70baMEMORY\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE example_heap (\n    id INT NOT NULL PRIMARY KEY,\n    name VARCHAR(100)\n) ENGINE=MEMORY;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baexample_heap\u7684HEAP\u8868\uff0c\u5305\u542b\u4e00\u500b\u6574\u6578\u578b\u7684\u4e3b\u9375id\u548c\u4e00\u500b\u5b57\u7b26\u4e32\u578b\u7684name\u5b57\u6bb5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EhDcsUNKxK\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684HEAP\u8868\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u8868\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u3002\u96d6\u7136\u5176\u5b58\u5728\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\uff0c\u4f46\u5728\u5408\u9069\u7684\u61c9\u7528\u5834\u666f\u4e2d\uff0cHEAP\u8868\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u81e8\u6642\u6578\u64da\u5b58\u5132\u6216\u9ad8\u983b\u67e5\u8a62\u7684\u61c9\u7528\uff0cHEAP\u8868\u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u6700\u4f73\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7e3d\u7d50HEAP\u5167\u5b58\u8868\u5728MySQL\u4e2d\u7684\u4f7f\u7528\uff0c\u5305\u62ec\u7279\u6027\u3001\u512a\u7f3a\u9ede\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76134","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76134"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76134\/revisions"}],"predecessor-version":[{"id":76135,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76134\/revisions\/76135"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}