{"id":5164,"date":"2022-03-17T12:07:26","date_gmt":"2022-03-17T04:07:26","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=5164"},"modified":"2022-12-09T11:34:44","modified_gmt":"2022-12-09T03:34:44","slug":"too-many-connections","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=5164","title":{"rendered":"[ Mysql ] &#8211; SQLSTATE[HY000][1040] Too many connections \u9023\u7dda\u6578\u904e\u591a"},"content":{"rendered":"<div style='text-align:center' class='yasr-auto-insert-overall'><\/div><div style='text-align:center' class='yasr-auto-insert-visitor'><\/div><div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>\n<p>\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u5206\u6210\u9577\u9023\u7dda(\u4e00\u76f4\u4fdd\u6301\u9023\u7dda\u72c0\u614b)\u8ddf\u77ed\u9023\u7dda(\u7528\u5b8c\u5c31\u95dc\u9589\u9023\u7dda)\u9019\u5169\u7a2e\uff0c\u901a\u5e38\u9577\u9023\u7dda\u4e0d\u592a\u6703\u9020\u6210 Too many connections \u9023\u7dda\u6578\u904e\u591a \u7684\u554f\u984c\uff0c\u53cd\u800c\u662f\u77ed\u9023\u7dda\u5e38\u5e38\u56e0\u70ba\u7a0b\u5f0f\u932f\u8aa4\u800c\u6c92\u6709\u6b63\u5e38\u7684\u95dc\u9589\u8cc7\u6599\u5eab\u9023\u7dda\u800c\u9020\u6210\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u4e00\u76f4\u589e\u52a0\uff0c\u76f4\u5230\u4e0a\u7dda\u5c31\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6574\u500b\u639b\u6389\u7121\u6cd5\u9023\u7dda\uff0c\u8cc7\u6599\u5eab\u672c\u8eab\u5c31\u6709\u9810\u8a2d\u7684\u8cc7\u6599\u5eab\u95dc\u9589\u7684\u8a2d\u5b9a\u7576\u67d0\u9023\u7dda\u592a\u4e45\u6c92\u4f7f\u7528\u6642\u6703\u81ea\u52d5\u95dc\u9589\uff0c\u9019\u9019\u500b\u8a2d\u5b9a\u7684\u9810\u8a2d\u503c\u904e\u9577 8 \u5c0f\u6642\u6c92\u6709\u4f7f\u7528\u624d\u95dc\u9589\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u4fee\u6539\u9019\u500b\u8a2d\u5b9a\u6e1b\u5c11 \u9023\u7dda\u6578\u904e\u591a\u7684\u554f\u984c\u7522\u751f\u3002<\/p>\n\n\n\n<p>\u67e5\u8a62\u76ee\u524d\u9023\u7dda\u6578\u8a9e\u6cd5\uff1a<br>show full processlist;&nbsp;<\/p>\n\n\n\n<p>\u6700\u5927\u9023\u7dda\u6578\u67e5\u8a62\u8a9e\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show variables like '%max_connections%';<\/code><\/pre>\n\n\n\n<p>\u986f\u793a\u7d50\u679c\uff1a<\/p>\n\n\n\n<p>max_connections 151<\/p>\n\n\n\n<p>\u8a2d\u5b9a\u6700\u5927\u9023\u7dda\u6578\u8a9e\u6cd5\uff1a<\/p>\n\n\n\n<p>set GLOBAL max_connections = 200;<\/p>\n\n\n\n<p>\u518d\u6b21\u67e5\u8a62\u6700\u5927\u9023\u7dda\u6578\u986f\u793a\u7d50\u679c<br>max_connections 200<\/p>\n\n\n\n<p>\u6b64\u65b9\u5f0f\u53ea\u8981Mysql \u6709\u91cd\u65b0\u555f\u52d5\u5f8c\u5c31\u6703\u8b8a\u56de\u9810\u8a2d\u503c max_connections 151<\/p>\n\n\n\n<p><br>\u4e00\u52de\u6c38\u9038\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u5728mysql \u8a2d\u5b9a\u6a94\u52a0\u8a2d\u5b9a max_connections \u9019\u500b\u53c3\u6578&nbsp;<\/p>\n\n\n\n<p>\u8a9e\u6cd5\uff1a<br>nano \/etc\/mysql\/mysql.conf.d\/mysqld.cnf<\/p>\n\n\n\n<p>\u6587\u4ef6\u5167\u6587\u67e5\u8a62 max_connections \u53c3\u6578\u8a9e\u6cd5\uff1a<br>Ctrl + w \u8f38\u5165 max_connections<br><\/p>\n\n\n\n<p>\u6703\u770b\u5230\u9810\u8a2d\u7684\u53c3\u6578\u662f\u88ab\u8a3b\u89e3\u6389<br>#max_connections&nbsp; &nbsp; &nbsp; &nbsp; = 100<\/p>\n\n\n\n<p>\u4fee\u6539\u5f8c<br>max_connections&nbsp; &nbsp; &nbsp; &nbsp; = 200<br><br>\u5b58\u6a94<br>Ctrl + o&nbsp;<\/p>\n\n\n\n<p>enter<\/p>\n\n\n\n<p>\u96e2\u958b<\/p>\n\n\n\n<p>Ctrl + x<br><br>\u76f8\u95dc\u8a9e\u6cd5\uff1a<\/p>\n\n\n\n<p>\u67e5\u8a62\u7cfb\u7d71\u6b77\u53f2\u6700\u5927\u7684\u4f7f\u7528\u8005\u9023\u7dda\u6578<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show global status like 'Max_used_connections';<\/code><\/pre>\n\n\n\n<p><br>\u4ee5\u4e0a\u7684\u503c\u5982\u679c\u9060\u4f4e\u65bc max_connections \u5c31\u53ef\u4ee5\u4e0d\u7528\u4fee\u6539 max_connections \u56e0\u70ba\u4e0d\u662f\u9019\u500b\u53c3\u6578\u9020\u6210\u7cfb\u7d71\u4e0d\u7a69\u3002<\/p>\n\n\n\n<p>\u9023\u7dda\u904e\u671f\u6642\u9593<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show variables like 'wait_timeout';<\/code><\/pre>\n\n\n\n<p>\u9019\u500b\u503c\u8a2d\u592a\u9ad8\u6703\u9020\u6210\u9023\u7dda\u6578\u5927\u4f0f\u589e\u52a0 \u9810\u8a2d\u503c\u662f 28800 = 480m = 8hr<br>\u53ef\u53c3\u8003\u9019\u7bc7\u6587\u7ae0 <a href=\"https:\/\/www.webteach.tw\/?p=2375\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.webteach.tw\/?p=2375<\/a><\/p>\n\n\n\n<p>2022-12-09 \u88dc\u5145 \u7576\u4e3b\u6a5f\u7684\u786c\u789f\u7a7a\u9593\u4f7f\u7528\u7387\u8d85\u904e95%\u4ee5\u4e0a\u4e00\u6a23\u6703\u51fa\u73fe\u9023\u7dda\u6578\u904e\u591a\u7684\u932f\u8aa4\u8a0a\u606f\uff0c\u6b64\u6642\u8acb\u60f3\u8fa6\u6cd5\u6e05\u51fa\u7a7a\u9593\u5373\u53ef\u6b63\u5e38\u9023\u7dda\u8cc7\u6599\u5eab\u3002<\/p>\n<div style='text-align:center' class='yasr-auto-insert-overall'><\/div><div style='text-align:center' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u5206\u6210\u9577\u9023\u7dda(\u4e00\u76f4\u4fdd\u6301\u9023\u7dda\u72c0\u614b)\u8ddf\u77ed\u9023\u7dda(\u7528\u5b8c\u5c31\u95dc\u9589\u9023\u7dda)\u9019\u5169\u7a2e\uff0c\u901a\u5e38\u9577\u9023\u7dda\u4e0d\u592a\u6703\u9020\u6210 Too many connections \u9023\u7dda\u6578\u904e\u591a \u7684\u554f\u984c\uff0c\u53cd\u800c\u662f\u77ed\u9023\u7dda\u5e38\u5e38\u56e0\u70ba\u7a0b\u5f0f\u932f\u8aa4\u800c\u6c92\u6709\u6b63\u5e38\u7684\u95dc\u9589\u8cc7\u6599\u5eab\u9023\u7dda\u800c\u9020\u6210\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u4e00\u76f4\u589e\u52a0\uff0c\u76f4\u5230\u4e0a\u7dda\u5c31\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6574\u500b\u639b\u6389\u7121\u6cd5\u9023\u7dda\uff0c\u8cc7\u6599\u5eab\u672c\u8eab\u5c31\u6709\u9810\u8a2d\u7684\u8cc7\u6599\u5eab\u95dc\u9589\u7684\u8a2d\u5b9a\u7576\u67d0\u9023\u7dda\u592a\u4e45\u6c92\u4f7f\u7528\u6642\u6703\u81ea\u52d5\u95dc\u9589\uff0c\u9019\u9019\u500b\u8a2d\u5b9a\u7684\u9810\u8a2d\u503c\u904e\u9577 8 \u5c0f\u6642\u6c92\u6709\u4f7f\u7528\u624d\u95dc\u9589\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u4fee\u6539\u9019\u500b\u8a2d\u5b9a\u6e1b\u5c11 \u9023\u7dda\u6578\u904e\u591a\u7684\u554f\u984c\u7522\u751f\u3002<\/p>\n","protected":false},"author":1,"featured_media":1867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[34],"tags":[1300],"class_list":["post-5164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-too-many-connections"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[ Mysql ] - SQLSTATE[HY000][1040] Too many connections \u9023\u7dda\u6578\u904e\u591a - \u6df7\u6c34\u6478\u9b5a<\/title>\n<meta name=\"description\" content=\"\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u5206\u6210\u9577\u9023\u7dda(\u4e00\u76f4\u4fdd\u6301\u9023\u7dda\u72c0\u614b)\u8ddf\u77ed\u9023\u7dda(\u7528\u5b8c\u5c31\u95dc\u9589\u9023\u7dda)\u9019\u5169\u7a2e\uff0c\u901a\u5e38\u9577\u9023\u7dda\u4e0d\u592a\u6703\u9020\u6210 Too many connections \u9023\u7dda\u6578\u904e\u591a \u7684\u554f\u984c\uff0c\u53cd\u800c\u662f\u77ed\u9023\u7dda\u5e38\u5e38\u56e0\u70ba\u7a0b\u5f0f\u932f\u8aa4\u800c\u6c92\u6709\u6b63\u5e38\u7684\u95dc\u9589\u8cc7\u6599\u5eab\u9023\u7dda\u800c\u9020\u6210\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u4e00\u76f4\u589e\u52a0\uff0c\u76f4\u5230\u4e0a\u7dda\u5c31\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6574\u500b\u639b\u6389\u7121\u6cd5\u9023\u7dda\uff0c\u8cc7\u6599\u5eab\u672c\u8eab\u5c31\u6709\u9810\u8a2d\u7684\u8cc7\u6599\u5eab\u95dc\u9589\u7684\u8a2d\u5b9a\u7576\u67d0\u9023\u7dda\u592a\u4e45\u6c92\u4f7f\u7528\u6642\u6703\u81ea\u52d5\u95dc\u9589\uff0c\u9019\u9019\u500b\u8a2d\u5b9a\u7684\u9810\u8a2d\u503c\u904e\u9577 8 \u5c0f\u6642\u6c92\u6709\u4f7f\u7528\u624d\u95dc\u9589\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u4fee\u6539\u9019\u500b\u8a2d\u5b9a\u6e1b\u5c11 \u9023\u7dda\u6578\u904e\u591a\u7684\u554f\u984c\u7522\u751f\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.webteach.tw\/?p=5164\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[ Mysql ] - SQLSTATE[HY000][1040] Too many connections \u9023\u7dda\u6578\u904e\u591a - \u6df7\u6c34\u6478\u9b5a\" \/>\n<meta property=\"og:description\" content=\"\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u5206\u6210\u9577\u9023\u7dda(\u4e00\u76f4\u4fdd\u6301\u9023\u7dda\u72c0\u614b)\u8ddf\u77ed\u9023\u7dda(\u7528\u5b8c\u5c31\u95dc\u9589\u9023\u7dda)\u9019\u5169\u7a2e\uff0c\u901a\u5e38\u9577\u9023\u7dda\u4e0d\u592a\u6703\u9020\u6210 Too many connections \u9023\u7dda\u6578\u904e\u591a \u7684\u554f\u984c\uff0c\u53cd\u800c\u662f\u77ed\u9023\u7dda\u5e38\u5e38\u56e0\u70ba\u7a0b\u5f0f\u932f\u8aa4\u800c\u6c92\u6709\u6b63\u5e38\u7684\u95dc\u9589\u8cc7\u6599\u5eab\u9023\u7dda\u800c\u9020\u6210\u8cc7\u6599\u5eab\u7684\u9023\u7dda\u4e00\u76f4\u589e\u52a0\uff0c\u76f4\u5230\u4e0a\u7dda\u5c31\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6574\u500b\u639b\u6389\u7121\u6cd5\u9023\u7dda\uff0c\u8cc7\u6599\u5eab\u672c\u8eab\u5c31\u6709\u9810\u8a2d\u7684\u8cc7\u6599\u5eab\u95dc\u9589\u7684\u8a2d\u5b9a\u7576\u67d0\u9023\u7dda\u592a\u4e45\u6c92\u4f7f\u7528\u6642\u6703\u81ea\u52d5\u95dc\u9589\uff0c\u9019\u9019\u500b\u8a2d\u5b9a\u7684\u9810\u8a2d\u503c\u904e\u9577 8 \u5c0f\u6642\u6c92\u6709\u4f7f\u7528\u624d\u95dc\u9589\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u4fee\u6539\u9019\u500b\u8a2d\u5b9a\u6e1b\u5c11 \u9023\u7dda\u6578\u904e\u591a\u7684\u554f\u984c\u7522\u751f\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.webteach.tw\/?p=5164\" \/>\n<meta property=\"og:site_name\" content=\"\u6df7\u6c34\u6478\u9b5a\" \/>\n<meta property=\"article:published_time\" content=\"2022-03-17T04:07:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-09T03:34:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.webteach.tw\/wp-content\/uploads\/2017\/12\/FireShot-Capture-31-MySQL-__-MySQL-Logo-Downloads-https___www.mysql_.com_about_legal_logos.html.png\" \/>\n\t<meta property=\"og:image:width\" content=\"302\" \/>\n\t<meta property=\"og:image:height\" content=\"185\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"jeff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005:\" \/>\n\t<meta name=\"twitter:data1\" content=\"jeff\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.webteach.tw\\\/?p=5164#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.webteach.tw\\\/?p=5164\"},\"author\":{\"name\":\"jeff\",\"@id\":\"https:\\\/\\\/www.webteach.tw\\\/#\\\/schema\\\/person\\\/d434d754fd581338113eecfa923d7520\"},\"headline\":\"[ Mysql ] &#8211; SQLSTATE[HY000][1040] Too many connections 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