{"id":10008251,"date":"2023-09-08T11:29:56","date_gmt":"2023-09-08T03:29:56","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008251"},"modified":"2023-09-08T11:29:56","modified_gmt":"2023-09-08T03:29:56","slug":"%e5%bc%b9%e6%80%a7%e6%95%b0%e6%8d%ae%e5%ba%93%e8%bf%9e%e6%8e%a5%e6%b1%a0%e6%8e%a2%e6%b4%bb%e7%ad%96%e7%95%a5%e8%b0%83%e7%a0%94%e4%b8%89-dbcp-%e4%ba%ac%e4%b8%9c%e4%ba%91%e6%8a%80","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008251","title":{"rendered":"\u5f39\u6027\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u63a2\u6d3b\u7b56\u7565\u8c03\u7814(\u4e09)\u2014\u2014DBCP | \u4eac\u4e1c\u4e91\u6280\u672f\u56e2\u961f"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5f39\u6027\u6570\u636e\u5e93\u8fde\u63a5\u5931\u6548\u7684\u80cc\u666f\uff0c\u5e76\u63a2\u8ba8\u4e86HikariCP\u3001Druid\u8fde\u63a5\u6c60\u63a2\u6d3b\u7b56\u7565\u7684\u76f8\u5173\u5185\u5bb9\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f1a\u7ee7\u7eed\u63a2\u8ba8\u53e6\u4e00\u4e2a\u7ebf\u4e0a\u5e38\u7528\u7684\u8fde\u63a5\u6c60\u2014\u2014DBCP\uff0c\u5e76\u4e3a\u60a8\u4ecb\u7ecd\u5982\u4f55\u5728\u4f7f\u7528DBCP\u65f6\u5b9e\u73b0\u6700\u4f73\u5b9e\u8df5\u7684\u5f39\u6027\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u63a2\u6d3b\u7b56\u7565\u3002<\/p>\n<h2>DBCP<\/h2>\n<p>DBCP\u6709\u4e24\u4e2a\u7248\u672c\uff1a1.x\u548c2.x\uff08\u4e5f\u79f0\u4e3aDBCP2\uff09\u3002DBCP 2\u57fa\u4e8eCommons Pool 2\uff0c\u76f8\u6bd41.x\u7248\u672c\uff0c\u5728\u6027\u80fd\u3001JMX\u652f\u6301\u548c\u5176\u4ed6\u8bb8\u591a\u65b9\u9762\u90fd\u6709\u6240\u63d0\u9ad8\u3002\u7531\u4e8eDBCP 2.x\u4e0eDBCP 1.x\u4e0d\u662f\u4e8c\u8fdb\u5236\u517c\u5bb9\uff0c\u6240\u4ee5\u5347\u7ea7\u52302.x\u7684\u7528\u6237\u5e94\u8be5\u77e5\u9053Java\u5305\u540d\u79f0\u5df2\u7ecf\u6539\u53d8\uff0c\u4ee5\u53caMaven\u5750\u6807\u3002<\/p>\n<p>\u9996\u5148\u6211\u4eec\u5148\u5217\u51fa\u5173\u4e8eDBCP\u63a2\u6d3b\u76f8\u5173\u7684\u53c2\u6570\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u53c2\u6570\u540d\u79f0<\/th>\n<th>\u8bf4\u660e<\/th>\n<th>\u9ed8\u8ba4\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>initialSize<\/td>\n<td>\u521d\u59cb\u5316\u65f6\u5efa\u7acb\u7269\u7406\u8fde\u63a5\u7684\u4e2a\u6570\u3002<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>minIdle<\/td>\n<td>\u6700\u5c0f\u7a7a\u95f2\u8fde\u63a5:\u8fde\u63a5\u6c60\u4e2d\u5bb9\u8bb8\u4fdd\u6301\u7a7a\u95f2\u72b6\u6001\u7684\u6700\u5c0f\u8fde\u63a5\u6570\u91cf,\u4f4e\u4e8e\u8fd9\u4e2a\u6570\u91cf\u5c06\u521b\u5efa\u65b0\u7684\u8fde\u63a5,\u5982\u679c\u8bbe\u7f6e\u4e3a0\u5219\u4e0d\u521b\u5efa<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>maxIdle<\/td>\n<td>\u6700\u5927\u7a7a\u95f2\u8fde\u63a5:\u8fde\u63a5\u6c60\u4e2d\u5bb9\u8bb8\u4fdd\u6301\u7a7a\u95f2\u72b6\u6001\u7684\u6700\u5927\u8fde\u63a5\u6570\u91cf,\u8d85\u8fc7\u7684\u7a7a\u95f2\u8fde\u63a5\u5c06\u88ab\u91ca\u653e,\u5982\u679c\u8bbe\u7f6e\u4e3a\u8d1f\u6570\u8868\u793a\u4e0d\u9650\u5236<\/td>\n<td>8<\/td>\n<\/tr>\n<tr>\n<td>maxActive\/maxTotal<\/td>\n<td>\u6700\u5927\u6d3b\u52a8\u8fde\u63a5:\u8fde\u63a5\u6c60\u5728\u540c\u4e00\u65f6\u95f4\u80fd\u591f\u5206\u914d\u7684\u6700\u5927\u6d3b\u52a8\u8fde\u63a5\u7684\u6570\u91cf\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u503c\u7684\u8bf7\u6c42\u8fdb\u5165\u7b49\u5f85\u961f\u5217, \u5982\u679c\u8bbe\u7f6e\u4e3a\u975e\u6b63\u6570\u5219\u8868\u793a\u4e0d\u9650\u5236\uff081.x\u7248\u672c maxActive 2.x\u7248\u672cmaxTotal\uff09<\/td>\n<td>8<\/td>\n<\/tr>\n<tr>\n<td>testOnBorrow<\/td>\n<td>\u6307\u660e\u662f\u5426\u5728\u4ece\u6c60\u4e2d\u53d6\u51fa\u8fde\u63a5\u524d\u8fdb\u884c\u68c0\u9a8c,\u5982\u679c\u68c0\u9a8c\u5931\u8d25,\u5219\u4ece\u6c60\u4e2d\u53bb\u9664\u8fde\u63a5\u5e76\u5c1d\u8bd5\u53d6\u51fa\u53e6\u4e00\u4e2a<\/td>\n<td>true<\/td>\n<\/tr>\n<tr>\n<td>testOnReturn<\/td>\n<td>\u6307\u660e\u662f\u5426\u5728\u5f52\u8fd8\u5230\u6c60\u4e2d\u524d\u8fdb\u884c\u68c0\u9a8c\u3002<\/td>\n<td>false<\/td>\n<\/tr>\n<tr>\n<td>testWhileIdle<\/td>\n<td>\u6307\u660e\u8fde\u63a5\u662f\u5426\u88ab\u7a7a\u95f2\u8fde\u63a5\u56de\u6536\u5668\u8fdb\u884c\u68c0\u9a8c\u3002\u5982\u679c\u68c0\u6d4b\u5931\u8d25,\u5219\u8fde\u63a5\u5c06\u88ab\u4ece\u6c60\u4e2d\u53bb\u9664.\u6ce8\u610f: \u8bbe\u7f6e\u4e3atrue\u540e\u5982\u679c\u8981\u751f\u6548,validationQuery\u53c2\u6570\u5fc5\u987b\u8bbe\u7f6e\u4e3a\u975e\u7a7a\u5b57\u7b26\u4e32<\/td>\n<td>false<\/td>\n<\/tr>\n<tr>\n<td>timeBetweenEvictionRunsMillis<\/td>\n<td>\u9a71\u9010\u8fde\u63a5\u7684\u7ebf\u7a0b\u8fd0\u884c\u7684\u65f6\u95f4\u95f4\u9694,\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d. \u5982\u679c\u8bbe\u7f6e\u4e3a\u975e\u6b63\u6570,\u5219\u4e0d\u8fd0\u884c\u7a7a\u95f2\u8fde\u63a5\u56de\u6536\u5668\u7ebf\u7a0b<\/td>\n<td>-1<\/td>\n<\/tr>\n<tr>\n<td>validationQuery<\/td>\n<td>\u7528\u6765\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u6709\u6548\u7684sql\uff0c\u8981\u6c42\u662f\u4e00\u4e2a\u67e5\u8be2\u8bed\u53e5\u3002<\/td>\n<td>select 1<\/td>\n<\/tr>\n<tr>\n<td>validationQueryTimeout<\/td>\n<td>\u5355\u4f4d\uff1a\u79d2\uff0c\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u6709\u6548\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u5e95\u5c42\u8c03\u7528jdbc Statement\u5bf9\u8c61\u7684void setQueryTimeout(int seconds)\u65b9\u6cd5<\/td>\n<td> <\/td>\n<\/tr>\n<tr>\n<td>minEvictableIdleTimeMillis<\/td>\n<td>\u8fde\u63a5\u5728\u6c60\u4e2d\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\u7684\u6700\u5c0f\u65f6\u95f4\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u4f1a\u88ab\u9a71\u9010\u9a71\u9010\u3002<\/td>\n<td>30\u5206\u949f<\/td>\n<\/tr>\n<tr>\n<td>softMinEvictableIdleTimeMillis<\/td>\n<td>\u8fd9\u4e2a\u53c2\u6570\u4e0eminEvictableIdleTimeMillis\u76f8\u6bd4\u662f\u8fd9\u4e2a\u53c2\u6570\u53d7minIdle\u7684\u9650\u5236\uff0c\u5f53\u5230\u8fbe\u8fd9\u4e2a\u503c\u7684\u65f6\u5019\u53ea\u4f1a\u9a71\u9010\u5927\u4e8eminIdle\u7684\u8fde\u63a5\u6570<\/td>\n<td>-1<\/td>\n<\/tr>\n<tr>\n<td>numTestsPerEvictionRun<\/td>\n<td>\u5728\u6bcf\u6b21\u7a7a\u95f2\u8fde\u63a5\u56de\u6536\u5668\u7ebf\u7a0b\u8fd0\u884c\u65f6\u68c0\u67e5\u7684\u8fde\u63a5\u6570\u91cf\u3002<\/td>\n<td>3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>DBCP \u548c\u4e0eDruid \u7684\u63a2\u6d3b\u914d\u7f6e\u76f8\u6bd4\uff0c\u5c3d\u7ba1\u5b83\u4eec\u7684\u8bb8\u591a\u53c2\u6570\u540d\u5b57\u548c\u529f\u80fd\u76f8\u4f3c\uff0c\u4f46\u5728\u7ec6\u8282\u548c\u9ed8\u8ba4\u503c\u4e0a\u5b58\u5728\u4e0d\u540c\u4e4b\u5904\u3002\u4f8b\u5982\uff0ctestWhileIdle \u53c2\u6570\u5728 Druid \u4e2d\u7528\u4e8e\u5224\u65ad\u662f\u5426\u5728\u7533\u8bf7\u8fde\u63a5\u65f6\u5f00\u542f\u63a2\u6d3b\uff0c\u4e14\u9700\u5927\u4e8e timeBetweenEvictionRunsMillis \u53c2\u6570\u503c\u3002\u800c\u5728 DBCP \u4e2d\uff0c\u8be5\u53c2\u6570\u5728\u9a71\u9010\u8fde\u63a5\u65f6\u8fdb\u884c\u5224\u65ad\uff0c\u82e5\u5f00\u542f\uff0c\u5219\u76f4\u63a5\u8fdb\u884c\u9a8c\u8bc1\uff0c\u7c7b\u4f3cDruid\u4e2d\u7684keepAlive\u53c2\u6570\u3002\u4e24\u4e2a\u8fde\u63a5\u6c60\u4e2d\uff0c\u9a71\u9010\u7a7a\u95f2\u8fde\u63a5\u7684\u65f6\u95f4\u95f4\u9694\u90fd\u53d7\u5230 timeBetweenEvictionRunsMillis \u53c2\u6570\u7684\u63a7\u5236\u3002\u6b64\u5916\uff0ctestOnBorrow \u53c2\u6570\u7684\u529f\u80fd\u76f8\u540c\uff0c\u4f46\u9ed8\u8ba4\u503c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u53e6\u5916\u5728DBCP\u5728\u9a71\u9010\u7ebf\u7a0b\u4e2d\u4e5f\u53d7numTestsPerEvictionRun\u53c2\u6570\u5f71\u54cd\uff0c\u8fd9\u4e2a\u53c2\u6570\u662f\u6307\u6bcf\u6b21\u9a71\u9010\u7ebf\u7a0b\u8fd0\u884c\u65f6\u9a71\u9010\u8fde\u63a5\u7684\u4e2a\u6570\uff0c\u4e0d\u4f1a\u4e00\u6b21\u68c0\u67e5\u6c60\u5185\u5168\u90e8\u7684\u8fde\u63a5\u3002\u6b64\u5916DBCP\u7684minEvictableIdleTimeMillis\u8ddfDruid\u4e0d\u540c\u8d85\u65f6\u9a71\u9010\u7684\u8fde\u63a5\u6570\u4e0d\u53d7minidle\u63a7\u5236\u3002<\/p>\n<p>\u4e0b\u56fe\u662fDBCP1.4.0\u7684\u9a71\u9010\u8fde\u63a5\u7ebf\u7a0b\u7684\u6e90\u7801\uff1aorg.apache.commons.pool.impl.GenericObjectPool#evict<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4ece\u6e90\u7801\u4e2d\u770b\u5230\u9a71\u9010\u7684\u8fde\u63a5\u4e2a\u6570\u4ecegetNumTests\u83b7\u53d6\uff0cgetNumTests\u8fd4\u56de\u7684\u662f\u8fde\u63a5\u6c60\u7684\u73b0\u6709size\u548cnumTestsPerEvictionRun\u7684\u6700\u5c0f\u503c\u3002\u9a71\u9010\u8fc7\u7a0b\u7684\u7b2c\u4e00\u6b65\u5148\u5224\u65ad\u7a7a\u95f2\u65f6\u95f4\u662f\u5426\u8d85\u8fc7minEvictableIdleTimeMillis\uff0c\u6ca1\u6709\u7684\u8bdd\u518d\u5224\u65adsoftMinEvictableIdleTimeMillis\u662f\u5426\u8d85\u65f6\u548c\u73b0\u6709\u7684\u8fde\u63a5\u662f\u5426\u5927\u4e8eminIdle\uff0c\u7b2c\u4e09\u4e2aif\u662f\u5224\u65adtestWhileIdle\u7684\u914d\u7f6e\u4e3atrue\u65f6\u4e14\u4e0a\u9762\u6ca1\u6709\u56de\u6536\u8be5\u8fde\u63a5\uff0c\u5728\u7b2c\u56db\u6b65\u7684\u65f6\u5019\u5bf9\u6b64\u8fde\u63a5\u8fdb\u884c\u63a2\u6d3b\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044194577\" alt=\"\" title=\"\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044194578\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u603b\u7ed3\uff1aDBCP\u5728\u5404\u4e2a\u7248\u672c\u4e2d\u5bf9\u63a2\u6d3b\u53d8\u52a8\u4e0d\u5927\uff0c\u4e00\u822c\u90fd\u662f\u5728\u9a71\u9010\u8fde\u63a5\u6570\u65f6\u53ef\u4ee5\u4f7f\u7528testWhileIdle\u6765\u8fdb\u884c\u63a2\u6d3b\uff0c\u9a71\u9010\u7ebf\u7a0b\u8fd0\u884c\u7684\u95f4\u9694\u65f6\u95f4\u662ftimeBetweenEvictionRunsMillis\u53c2\u6570\u7684\u503c\uff0c\u6b64\u5916numTestsPerEvictionRun\u53c2\u6570\u662f\u6bcf\u6b21\u9a71\u9010\u7ebf\u7a0b\u7684\u4e2a\u6570\uff0c\u56e0\u6b64\u6211\u4eec\u53ea\u8981\u4f7f\u7528\u8fd9\u4e24\u4e2a\u53c2\u6570\u8bbe\u7f6e\u7684\u53ef\u4ee5\u572810\u5206\u949f\u4e4b\u5185\u5bf9\u6c60\u5185\u6240\u6709\u8fde\u63a5\uff08\u6700\u5927\u503c\u4e3amaxActive\/maxTotal\uff09\u8fdb\u884c\u63a2\u6d3b\u5c31\u80fd\u6709\u6548\u907f\u514dJED\u7f51\u5173\u7684\u5931\u6548\u8fde\u63a5\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cDBCP\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u5bf9\u63a2\u6d3b\u7684\u5b9e\u73b0\u65b9\u5f0f\u53d8\u5316\u4e0d\u5927\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u9a71\u9010\u8fde\u63a5\u65f6\u4f7f\u7528testWhileIdle\u53c2\u6570\u6765\u8fdb\u884c\u8fde\u63a5\u7684\u63a2\u6d3b\u3002\u9a71\u9010\u7ebf\u7a0b\u7684\u8fd0\u884c\u95f4\u9694\u65f6\u95f4\u53d7timeBetweenEvictionRunsMillis\u53c2\u6570\u7684\u63a7\u5236\uff0c\u800cnumTestsPerEvictionRun\u53c2\u6570\u5219\u51b3\u5b9a\u4e86\u6bcf\u6b21\u9a71\u9010\u7ebf\u7a0b\u53ef\u4ee5\u5904\u7406\u7684\u8fde\u63a5\u6570\u3002\u5efa\u8baenumTestsPerEvictionRun\u914d\u7f6e\u7684\u503c\u548cmaxActive\/maxTotal\u4e00\u81f4\uff0c\u5e76\u914d\u7f6etimeBetweenEvictionRunsMillis\u5c0f\u4e8e10\u5206\u949f\u80fd\u591f\u4fdd\u8bc1\u5bf9\u6240\u6709\u8fde\u63a5\u8fdb\u884c\u63a2\u6d3b\uff0c\u907f\u514d\u62ff\u5230\u7f51\u5173\u5931\u6548\u7684\u8fde\u63a5\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5e94\u7528\u4f7f\u7528DBCP\u65f6\uff0c\u9ed8\u8ba4\u5f00\u542ftestOnBorrow\u53c2\u6570\u4e00\u822c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u62ff\u5230\u5931\u6548\u7684\u8fde\u63a5\uff0c\u800cDruid\u9ed8\u8ba4\u4e0d\u5f00\u542ftestOnBorrow\u53c2\u6570\u3002\u5173\u4e8e\u662f\u5426\u5f00\u542ftestOnBorrow\u53c2\u6570\uff0c\u5e94\u7528\u53ef\u4ee5\u81ea\u884c\u8bc4\u4f30\u3002\u867d\u7136\u5f00\u542ftestOnBorrow\u53c2\u6570\u4f1a\u5728\u6bcf\u6b21\u62ff\u5230\u8fde\u63a5\u524d\u8fdb\u884c\u8fde\u63a5\u9a8c\u8bc1\uff0c\u635f\u8017\u4e00\u5c0f\u90e8\u5206\u6027\u80fd\uff0c\u4f46\u662f\u8fd9\u6837\u80fd\u591f\u53ca\u65f6\u9500\u6bc1\u65e0\u6548\u8fde\u63a5\u5e76\u91cd\u5efa\u65b0\u8fde\u63a5\uff0c\u5728\u9047\u5230JED\u7f51\u5173\u6545\u969c\u91cd\u542f\u65f6\u80fd\u591f\u6709\u6548\u907f\u514d\u5e94\u7528\u62a5\u9519\u3002<\/p>\n<h2>JED\u914d\u7f6e\u6a21\u7248\uff1a<\/h2>\n<h4>DBCP1.4<\/h4>\n<pre><code>&lt;propertyname=&quot;minIdle&quot;value=&quot;5&quot;\/&gt; \n&lt;propertyname=&quot;maxActive&quot;value=&quot;10&quot;\/&gt; \n&lt;propertyname=&quot;testWhileIdle&quot;value=&quot;true&quot;\/&gt;    \n&lt;propertyname=&quot;validationQuery&quot;value=&quot;SELECT 1&quot;\/&gt;    \n&lt;propertyname=&quot;timeBetweenEvictionRunsMillis&quot;value=&quot;300000&quot;\/&gt;    \n&lt;propertyname=&quot;numTestsPerEvictionRun&quot;value=&quot;10&quot;\/&gt;   \n\n<\/code><\/pre>\n<h4>DBCP2.2.0<\/h4>\n<pre><code>&lt;propertyname=&quot;minIdle&quot;value=&quot;5&quot;\/&gt; \n&lt;propertyname=&quot;maxTotal&quot;value=&quot;10&quot;\/&gt; \n&lt;propertyname=&quot;testWhileIdle&quot;value=&quot;true&quot;\/&gt;    \n&lt;propertyname=&quot;validationQuery&quot;value=&quot;SELECT 1&quot;\/&gt;    \n&lt;propertyname=&quot;timeBetweenEvictionRunsMillis&quot;value=&quot;300000&quot;\/&gt;    \n&lt;propertyname=&quot;numTestsPerEvictionRun&quot;value=&quot;10&quot;\/&gt;   \n\n<\/code><\/pre>\n<h4>DBCP2.1.1<\/h4>\n<p>\u540c2.2.0<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4ee5JED\u7684\u7f51\u5173\u8d85\u65f6\u62a5\u9519\u4e3a\u80cc\u666f\uff0c\u5bf9\u5e38\u89c1\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u8fdb\u884c\u4e86\u8c03\u7814\uff0c\u5e76\u4ecb\u7ecd\u4e86\u8fde\u63a5\u6c60\u63a2\u6d3b\u76f8\u5173\u7684\u53c2\u6570\u548c\u63a2\u6d3b\u903b\u8f91\u3002\u901a\u8fc7\u672c\u6587\u7684\u5185\u5bb9\uff0c\u8bfb\u8005\u5e94\u8be5\u4e86\u89e3\u5230\u4e0d\u540c\u8fde\u63a5\u6c60\u7684\u63a2\u6d3b\u5185\u5bb9\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u53c2\u6570\u8bbe\u7f6e\u8fde\u63a5\u6c60\uff0c\u6709\u6548\u907f\u514d\u5e94\u7528\u62ff\u5230\u7f51\u5173\u5173\u95ed\u7684\u8fde\u63a5\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u5728JED\u6570\u636e\u5e93\u4e2d\u7684\u8fde\u63a5\u6c60\u914d\u7f6e\u6a21\u677f\uff0c\u8bfb\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<blockquote>\n<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u96f6\u552e \u738b\u96f7\u946b<\/p>\n<p>\u6765\u6e90\uff1a\u4eac\u4e1c\u4e91\u5f00\u53d1\u8005\u793e\u533a \u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u6e90<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044194575\">https:\/\/segmentfault.com\/a\/1190000044194575<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5f39\u6027\u6570\u636e\u5e93\u8fde\u63a5\u5931\u6548\u7684\u80cc\u666f\uff0c\u5e76\u63a2\u8ba8\u4e86HikariCP\u3001Druid\u8fde\u63a5\u6c60\u63a2\u6d3b\u7b56\u7565\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008251","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008251"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008251\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}