{"id":1403,"date":"2022-01-12T09:06:40","date_gmt":"2022-01-12T09:06:40","guid":{"rendered":"https:\/\/hsin-life.com\/?p=1403"},"modified":"2022-01-17T02:43:11","modified_gmt":"2022-01-17T02:43:11","slug":"java-connection-pool-%e7%9a%84%e6%b5%81%e7%a8%8b%e8%88%87%e4%bd%bf%e7%94%a8%ef%bc%81","status":"publish","type":"post","link":"https:\/\/hsin-life.com\/archives\/1403","title":{"rendered":"java &#8211; connection pool \u7684\u6d41\u7a0b\u8207\u4f7f\u7528\uff01"},"content":{"rendered":"\n<p>\u73fe\u5728\u8ddf\u8cc7\u6599\u5eab\u7684\u9023\u7dda100%\u90fd\u6703\u4f7f\u7528 connection pool \u4f86\u8655\u7406\uff0c \u96d6\u7136\u9019\u5df2\u7d93\u662f\u4e00\u7a2e\u5f88\u666e\u904d\u7684\u4f5c\u6cd5\uff0c\u4f46\u5f9e\u5b78\u7fd2\u7684\u89d2\u5ea6\u4f86\u770b\uff0c\u6211\u5011\u5fc5\u9808\u77e5\u5176\u7136\uff0c\u4e5f\u77e5\u5176\u6240\u4ee5\u7136\uff01 <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JDBC\u4e2d\u53d6\u5f97 connection\u4f7f\u7528\u5f8c\u4e26\u95dc\u9589\u7684\u6d41\u7a0b<\/h3>\n\n\n\n<ul><li>\u53d6\u5f97 java.sql.DataSource \u8981\u53d6\u5f97\u9023\u7dda\u8cc7\u6e90<\/li><li>\u547c\u53eb getConnection() \u4f86\u9023\u7acb\u8cc7\u6599\u5eab\u9023\u7dda <\/li><li>\u8cc7\u6599\u5eab\u9a57\u8b49\u4f7f\u7528\u8005\u5e33\u865f\u3001\u5bc6\u78bc\uff0c\u4f9d\u7167\u9023\u7dda\u53c3\u6578\u9032\u884c\u5c0d\u61c9\u7684\u8655\u7406 <\/li><li>\u5efa\u7acb\u8cc7\u6599\u5eab\u9023\u7dda\uff0c\u958b\u555f\u4e00\u500b TCP socket <\/li><li>\u7a0b\u5f0f\u9032\u884c\u8cc7\u6599\u8b80\u53d6\u6216\u662f\u5beb\u5165<\/li><li>\u7a0b\u5f0f\u95dc\u9589 connection \u7528 close()<\/li><li>\u95dc\u9589TCP socket <\/li><\/ul>\n\n\n\n<p>\u5f9e\u6d41\u7a0b\u53ef\u4ee5\u770b\u51fa\uff0cconnection \u7684\u5efa\u7acb\u8207\u95dc\u9589\u5c0d\u65bc\u8cc7\u6599\u5eab\u4f86\u8aaa\uff0c\u5f88\u8017\u8cbb\u7cfb\u7d71\u8cc7\u6e90\u7684\u5de5\u4f5c\uff0c<\/p>\n\n\n\n<p>\u800c\u6211\u5011\u7684\u61c9\u7528\u7a0b\u5f0f\u53c8\u5fc5\u9808\u7b49\u5f85\u53d6\u5f97 connection \u4e4b\u5f8c\u624d\u6709\u8fa6\u6cd5\u8207\u8cc7\u6599\u5eab\u4e92\u52d5\uff0c<\/p>\n\n\n\n<p>\u5982\u679c\u5728\u7a0b\u5f0f\u88e1\u9762\u6709\u5927\u91cf\u7684 connection \u5efa\u7acb\u8207\u95dc\u9589\uff0c\u53ef\u4ee5\u9810\u671f\u9019\u6a23\u5c0d\u65bc\u7a0b\u5f0f\u7684\u57f7\u884c\u6548\u80fd\u6703\u6709\u4e0d\u5c0f\u7684\u885d\u64ca<\/p>\n\n\n\n<p>connection pool \u7684\u529f\u80fd\u662f\u4f5c\u70ba connection \u7684\u300c\u5feb\u53d6\u5340\u300d\uff0c\u57fa\u672c\u7684\u4f7f\u7528\u6d41\u7a0b\u662f\u5728\u7a0b\u5f0f\u4e00\u555f\u52d5\u5c31\u5411\u8cc7\u6599\u5eab\u5efa\u7acb\u4e00\u5b9a\u6578\u91cf\u7684\u9023\u7dda\uff0c<\/p>\n\n\n\n<p>\u4e26\u5b58\u653e\u65bc connection pool \u88e1\uff0c\u5f8c\u7e8c\u7a0b\u5f0f getConnection() \u6642\u662f\u76f4\u63a5\u5411 connection pool \u00a0\u53d6\u7528\uff0c\u7528\u5b8c\u5f8c\u547c\u53eb connection.close() \u5c31\u6703\u653e\u56de   connection pool<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u90a3\u9ebc\u4f7f\u7528 connection pool \u7684\u597d\u8655<\/h3>\n\n\n\n<ul><li>\u964d\u4f4e\u5411\u8cc7\u6599\u5eab\u5efa\u7acb connection \u00a0\u7684\u983b\u7387<\/li><li>connection pool \u4e2d\u7684 connection \u53ef\u91cd\u8907\u4f7f\u7528<\/li><li>\u7a0b\u5f0f\u547c\u53eb getConnection() \u662f\u76f4\u63a5\u5411 connection pool \u53d6\u5f97 connection\uff0c\u901f\u5ea6\u4e0a\u6bd4\u5efa\u7acb\u65b0\u7684 connection \u9084\u5feb\u7684\u591a<\/li><li>connection pool \u6709\u8a31\u591a\u8a2d\u5b9a\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u7ba1\u7406 connection  pool \u88e1\u9762\u7684connection \uff0c\u6bd4\u5982\u8a2d\u7f6e\u521d\u59cb\u7684\u9023\u7dda\u6578\u3001\u6700\u5927\u9023\u7dda\u6578\u3001connection \u9592\u7f6e\u8655\u7406\u2026\u7b49\u7b49\uff0c\u9069\u7576\u7684\u8a2d\u5b9a\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u63d0\u5347\u5efa\u7acb\/\u53d6\u7528 connection \u7684\u6548\u7387\uff0c\u4e5f\u80fd\u6e1b\u8f15\u8cc7\u6599\u5eab\u5efa\u7acb\u9023\u7dda\u7684\u8ca0\u64d4<\/li><li>connection pool \u53ef\u4f5c\u70ba\u8cc7\u6599\u5eab\u524d\u65b9\u7684\u300c\u7de9\u885d\u5340\u300d\uff1a\u7576\u7a0b\u5f0f\u9700\u8981\u53d6\u7528\u5927\u91cf\u9023\u7dda\u6642\uff0c\u9019\u4e9b\u8acb\u6c42\u90fd\u6703\u7531 connection pool \u4f9d\u8a2d\u5b9a\u597d\u7684\u7b56\u7565\u4f86\u8655\u7406\uff0c\u4e0d\u6703\u4e00\u4e0b\u5b50\u62d6\u57ae\u8cc7\u6599\u5eab\u904b\u884c\u6548\u80fd<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5f9e\u6d41\u7a0b\u53ef\u4ee5\u770b\u51fa\uff0cconnection \u7684\u5efa\u7acb\u8207\u95dc\u9589\u5c0d\u65bc\u8cc7\u6599\u5eab\u4f86\u8aaa\uff0c\u5f88\u8017\u8cbb\u7cfb\u7d71\u8cc7\u6e90\u7684\u5de5\u4f5c\uff0c<\/p>\n<p>\u800c\u6211\u5011\u7684\u61c9\u7528\u7a0b\u5f0f\u53c8\u5fc5\u9808\u7b49\u5f85\u53d6\u5f97 connection \u4e4b\u5f8c\u624d\u6709\u8fa6\u6cd5\u8207\u8cc7\u6599\u5eab\u4e92\u52d5\uff0c<\/p>\n<p>\u5982\u679c\u5728\u7a0b\u5f0f\u88e1\u9762\u6709\u5927\u91cf\u7684 connection \u5efa\u7acb\u8207\u95dc\u9589\uff0c\u53ef\u4ee5\u9810\u671f\u9019\u6a23\u5c0d\u65bc\u7a0b\u5f0f\u7684\u57f7\u884c\u6548\u80fd\u6703\u6709\u4e0d\u5c0f\u7684\u885d\u64ca<\/p>\n","protected":false},"author":1,"featured_media":743,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[145,92],"tags":[130,129,87,131],"aioseo_notices":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/hsin-life.com\/wp-content\/uploads\/2021\/07\/da18cf6e-a674-4d0c-9357-c02f3a814d02.png?fit=1280%2C675&ssl=1","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/1403"}],"collection":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/comments?post=1403"}],"version-history":[{"count":0,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/posts\/1403\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media\/743"}],"wp:attachment":[{"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/media?parent=1403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/categories?post=1403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsin-life.com\/wp-json\/wp\/v2\/tags?post=1403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}