{"id":1261,"date":"2025-01-27T21:41:07","date_gmt":"2025-01-27T13:41:07","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1261"},"modified":"2025-01-27T21:42:57","modified_gmt":"2025-01-27T13:42:57","slug":"%e9%ab%98%e7%ba%a7java%e7%bc%96%e7%a8%8b%ef%bc%9a%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90java%e9%ab%98%e7%ba%a7%e7%bc%96%e7%a8%8b%e6%8a%80%e6%9c%af%e4%b8%8e%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/27\/%e9%ab%98%e7%ba%a7java%e7%bc%96%e7%a8%8b%ef%bc%9a%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90java%e9%ab%98%e7%ba%a7%e7%bc%96%e7%a8%8b%e6%8a%80%e6%9c%af%e4%b8%8e%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6df1\u5ea6\u89e3\u6790Java\u9ad8\u7ea7\u7f16\u7a0b\uff1a\u6027\u80fd\u4f18\u5316\u3001\u8bbe\u8ba1\u6a21\u5f0f\u4e0e\u5e76\u53d1\u7f16\u7a0b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f<strong>\u9ad8\u7ea7Java\u7f16\u7a0b<\/strong>\u7684\u6559\u7a0b\uff0c\u6db5\u76d6\u4e86JVM\u4e0e\u5185\u5b58\u7ba1\u7406\u3001\u6027\u80fd\u4f18\u5316\u3001\u591a\u7ebf\u7a0b\u4e0e\u5e76\u53d1\u4f18\u5316\u3001\u6570\u636e\u5e93\u4f18\u5316\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u5fae\u670d\u52a1\u67b6\u6784\u7b49\u9ad8\u7ea7\u4e3b\u9898\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u6df1\u5165\u7406\u89e3Java\u6280\u672f\u5e76\u4f18\u5316\u5e94\u7528\u6027\u80fd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java\u6559\u7a0b\u4e4b\uff1a\u9ad8\u7ea7Java\u7f16\u7a0b<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. JVM\u4e0e\u5185\u5b58\u7ba1\u7406<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Java\u865a\u62df\u673a\uff08JVM\uff09\u7ed3\u6784<\/strong><br>Java\u865a\u62df\u673a\uff08JVM\uff09\u662f\u8fd0\u884cJava\u5b57\u8282\u7801\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u5b83\u7684\u7ed3\u6784\u5305\u62ec\u7c7b\u52a0\u8f7d\u5668\u3001\u8fd0\u884c\u65f6\u6570\u636e\u533a\u3001\u6267\u884c\u5f15\u64ce\u7b49\u3002\u4e86\u89e3JVM\u7684\u67b6\u6784\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3Java\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u7c7b\u52a0\u8f7d\u5668<\/strong>\uff1a\u8d1f\u8d23\u52a0\u8f7d\u5b57\u8282\u7801\u6587\u4ef6\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5b58\u533a\u57df<\/strong>\uff1a\u5305\u62ec\u65b9\u6cd5\u533a\u3001\u5806\u533a\u3001\u6808\u533a\u3001PC\u5bc4\u5b58\u5668\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884c\u5f15\u64ce<\/strong>\uff1a\u8d1f\u8d23\u89e3\u91ca\u548c\u6267\u884c\u5b57\u8282\u7801\u3002<\/li>\n\n\n\n<li><strong>\u5783\u573e\u56de\u6536\u673a\u5236<\/strong><br>JVM\u7684\u5783\u573e\u56de\u6536\uff08GC\uff09\u673a\u5236\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\uff0c\u4e3b\u8981\u901a\u8fc7\u6807\u8bb0-\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0-\u6574\u7406\u7b49\u7b97\u6cd5\u6765\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>GC\u7684\u5de5\u4f5c\u8fc7\u7a0b<\/strong>\uff1a\u901a\u8fc7\u6807\u8bb0\u548c\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\uff0c\u91ca\u653e\u5185\u5b58\u3002<\/li>\n\n\n\n<li><strong>\u5e38\u7528\u7684\u5783\u573e\u56de\u6536\u5668<\/strong>\uff1a\u5982Serial GC\u3001Parallel GC\u3001G1 GC\u3001ZGC\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5b58\u6cc4\u6f0f\u4e0e\u4f18\u5316<\/strong><br>\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u7a0b\u5e8f\u4e2d\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u672a\u88abGC\u56de\u6536\uff0c\u5bfc\u81f4\u5185\u5b58\u65e0\u6cd5\u91ca\u653e\u3002\u4f18\u5316\u5185\u5b58\u4f7f\u7528\uff0c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u662f\u63d0\u5347Java\u5e94\u7528\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9aa4\u3002<\/li>\n\n\n\n<li><strong>\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u7684\u5efa\u8bae<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>WeakReference<\/code>\u548c<code>SoftReference<\/code>\u6765\u7ba1\u7406\u5bf9\u8c61\u5f15\u7528\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u4ee3\u7801\u4e2d\u53ef\u80fd\u9020\u6210\u8d44\u6e90\u672a\u91ca\u653e\u7684\u5730\u65b9\uff0c\u786e\u4fdd\u53ca\u65f6\u5173\u95ed\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. \u6027\u80fd\u4f18\u5316<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>JVM\u6027\u80fd\u8c03\u4f18<\/strong><br>JVM\u7684\u6027\u80fd\u8c03\u4f18\u6d89\u53ca\u5230\u5783\u573e\u56de\u6536\u3001\u5185\u5b58\u7ba1\u7406\u548c\u7ebf\u7a0b\u4f18\u5316\u7b49\u65b9\u9762\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7684\u9700\u6c42\u8c03\u6574JVM\u7684\u53c2\u6570\u3002<\/li>\n\n\n\n<li><strong>\u8c03\u6574GC\u53c2\u6570<\/strong>\uff1a\u901a\u8fc7\u914d\u7f6eJVM\u53c2\u6570\u6765\u9009\u62e9\u5408\u9002\u7684\u5783\u573e\u56de\u6536\u7b56\u7565\uff0c\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u3002<\/li>\n\n\n\n<li><strong>JVM\u53c2\u6570\u793a\u4f8b<\/strong>\uff1a <code>-Xms512m -Xmx1024m -XX:+UseG1GC<\/code><\/li>\n\n\n\n<li><strong>\u591a\u7ebf\u7a0b\u4e0e\u5e76\u53d1\u4f18\u5316<\/strong><br>\u591a\u7ebf\u7a0b\u7684\u4f7f\u7528\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\uff0c\u4f46\u4e0d\u5408\u7406\u7684\u591a\u7ebf\u7a0b\u8bbe\u8ba1\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u4f18\u5316\u5e76\u53d1\u4ee3\u7801\u662f\u63d0\u5347Java\u5e94\u7528\u6027\u80fd\u7684\u91cd\u8981\u73af\u8282\u3002<\/li>\n\n\n\n<li><strong>\u7ebf\u7a0b\u6c60\u7684\u4f7f\u7528<\/strong>\uff1a\u901a\u8fc7<code>ExecutorService<\/code>\u7ba1\u7406\u7ebf\u7a0b\u6c60\uff0c\u907f\u514d\u7ebf\u7a0b\u7684\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u3002<\/li>\n\n\n\n<li><strong>\u540c\u6b65\u4f18\u5316<\/strong>\uff1a\u4f7f\u7528<code>ReentrantLock<\/code>\u66ff\u4ee3<code>synchronized<\/code>\uff0c\u4ee5\u907f\u514d\u9501\u7ade\u4e89\u5bfc\u81f4\u7684\u6027\u80fd\u74f6\u9888\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5e93\u4f18\u5316<\/strong><br>\u6570\u636e\u5e93\u662f\u5927\u591a\u6570Web\u5e94\u7528\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5e94\u7528\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u8fde\u63a5\u6c60<\/strong>\uff1a\u901a\u8fc7\u6570\u636e\u5e93\u8fde\u63a5\u6c60\uff08\u5982HikariCP\uff09\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u7684\u5f00\u9500\u3002<\/li>\n\n\n\n<li><strong>SQL\u4f18\u5316<\/strong>\uff1a\u4f7f\u7528\u7d22\u5f15\u3001\u67e5\u8be2\u7f13\u5b58\u7b49\u65b9\u5f0f\u4f18\u5316SQL\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. \u5206\u5e03\u5f0f\u7cfb\u7edf<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5fae\u670d\u52a1\u67b6\u6784<\/strong><br>\u5fae\u670d\u52a1\u67b6\u6784\u662f\u4e00\u79cd\u901a\u8fc7\u62c6\u5206\u4e1a\u52a1\u529f\u80fd\u6765\u5b9e\u73b0\u9ad8\u5ea6\u89e3\u8026\u7684\u67b6\u6784\u98ce\u683c\uff0c\u6bcf\u4e2a\u5fae\u670d\u52a1\u90fd\u662f\u72ec\u7acb\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u72ec\u7acb\u90e8\u7f72\u548c\u6269\u5c55\u3002<\/li>\n\n\n\n<li><strong>\u5fae\u670d\u52a1\u4f18\u52bf<\/strong>\uff1a\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u6269\u5c55\u6027\u548c\u5bb9\u9519\u6027\u3002<\/li>\n\n\n\n<li><strong>\u5fae\u670d\u52a1\u5b9e\u73b0<\/strong>\uff1a\u5e38\u7528\u7684\u5fae\u670d\u52a1\u6846\u67b6\u5305\u62ecSpring Cloud\u3001Dubbo\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Redis\uff09<\/strong><br>\u5206\u5e03\u5f0f\u7f13\u5b58\uff08\u5982Redis\uff09\u662f\u4e3a\u4e86\u51cf\u8f7b\u6570\u636e\u5e93\u8d1f\u8f7d\u3001\u63d0\u5347\u5e94\u7528\u6027\u80fd\u800c\u8bbe\u8ba1\u7684\u6280\u672f\u3002\u5b83\u901a\u8fc7\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u70ed\u70b9\u6570\u636e\uff0c\u63d0\u9ad8\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u3002<\/li>\n\n\n\n<li><strong>Redis\u7684\u5e38\u89c1\u5e94\u7528<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7f13\u5b58\u5e38\u7528\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u4f1a\u8bdd\u7ba1\u7406\uff08Session Management\uff09\u3002<\/li>\n\n\n\n<li>\u9650\u6d41\u4e0e\u5206\u5e03\u5f0f\u9501\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6d88\u606f\u961f\u5217\uff08\u5982Kafka\uff09<\/strong><br>\u6d88\u606f\u961f\u5217\uff08\u5982Kafka\uff09\u662f\u4e00\u79cd\u5f02\u6b65\u901a\u4fe1\u673a\u5236\uff0c\u5e38\u7528\u4e8e\u89e3\u8026\u7cfb\u7edf\u7ec4\u4ef6\u3001\u63d0\u5347\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u548c\u5bb9\u9519\u6027\u3002<\/li>\n\n\n\n<li><strong>Kafka\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u65e5\u5fd7\u91c7\u96c6\u3001\u5f02\u6b65\u4efb\u52a1\u5904\u7406\u3001\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>4. Spring Cloud\u4e0eDocker<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5fae\u670d\u52a1\u67b6\u6784\u4e0eSpring Cloud<\/strong><br>Spring Cloud\u662f\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5de5\u5177\u96c6\uff0c\u63d0\u4f9b\u4e86\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u7ba1\u7406\u3001\u8d1f\u8f7d\u5747\u8861\u3001\u65ad\u8def\u5668\u7b49\u5e38\u7528\u529f\u80fd\u3002<\/li>\n\n\n\n<li><strong>Spring Cloud\u7ec4\u4ef6<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>Eureka<\/strong>\uff1a\u670d\u52a1\u53d1\u73b0\u3002<\/li>\n\n\n\n<li><strong>Ribbon<\/strong>\uff1a\u5ba2\u6237\u7aef\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n\n\n\n<li><strong>Hystrix<\/strong>\uff1a\u65ad\u8def\u5668\u3002<\/li>\n\n\n\n<li><strong>Zuul<\/strong>\uff1aAPI\u7f51\u5173\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0<\/strong>\uff1a\u901a\u8fc7Eureka\u6ce8\u518c\u4e2d\u5fc3\uff0c\u5fae\u670d\u52a1\u53ef\u4ee5\u53d1\u73b0\u5e76\u8c03\u7528\u5176\u4ed6\u670d\u52a1\u3002<\/li>\n\n\n\n<li><strong>Docker\u5bb9\u5668\u5316\u6280\u672f<\/strong><br>Docker\u63d0\u4f9b\u4e86\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u865a\u62df\u5316\u6280\u672f\uff0c\u53ef\u4ee5\u5c06\u5e94\u7528\u53ca\u5176\u6240\u6709\u4f9d\u8d56\u6253\u5305\u5230\u4e00\u4e2a\u5bb9\u5668\u4e2d\uff0c\u4fbf\u4e8e\u90e8\u7f72\u3001\u6269\u5c55\u548c\u8fc1\u79fb\u3002<\/li>\n\n\n\n<li><strong>Docker\u57fa\u7840<\/strong>\uff1a\u901a\u8fc7\u521b\u5efaDocker\u955c\u50cf\u5e76\u8fd0\u884cDocker\u5bb9\u5668\uff0c\u53ef\u4ee5\u5728\u4efb\u4f55\u73af\u5883\u4e2d\u4e00\u81f4\u5730\u8fd0\u884c\u5e94\u7528\u3002<\/li>\n\n\n\n<li><strong>Docker\u4e0e\u5fae\u670d\u52a1<\/strong>\uff1a\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u6bcf\u4e2a\u5fae\u670d\u52a1\u901a\u5e38\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684Docker\u5bb9\u5668\u8fd0\u884c\uff0c\u4fbf\u4e8e\u7ba1\u7406\u548c\u6269\u5c55\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u90e8\u5206\u6db5\u76d6\u4e86Java\u4e2d\u7684\u9ad8\u7ea7\u7f16\u7a0b\u6280\u672f\uff0c\u5305\u62ecJVM\u4e0e\u5185\u5b58\u7ba1\u7406\u3001\u6027\u80fd\u4f18\u5316\u3001\u591a\u7ebf\u7a0b\u4e0e\u5e76\u53d1\u4f18\u5316\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u5fae\u670d\u52a1\u67b6\u6784\u3001Spring Cloud\u4e0eDocker\u7b49\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\uff0c\u5f00\u53d1\u8005\u80fd\u591f\u4f18\u5316\u5e94\u7528\u6027\u80fd\uff0c\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u5e76\u6709\u6548\u5730\u7ba1\u7406\u5fae\u670d\u52a1\u67b6\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u9ad8\u7ea7Java\u7f16\u7a0b\u7684\u6559\u7a0b\uff0c\u6db5\u76d6\u4e86JVM\u4e0e\u5185\u5b58\u7ba1\u7406\u3001\u6027\u80fd\u4f18\u5316\u3001\u591a\u7ebf\u7a0b\u4e0e\u5e76\u53d1\u4f18\u5316\u3001\u6570\u636e\u5e93\u4f18\u5316\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u5fae\u670d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68],"tags":[],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1261"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1265,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1261\/revisions\/1265"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}