{"id":92755,"date":"2026-08-11T07:56:57","date_gmt":"2026-08-10T23:56:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92755.html"},"modified":"2026-08-11T07:56:57","modified_gmt":"2026-08-10T23:56:57","slug":"%e3%80%90%e7%9c%9f%e5%ae%9e%e7%bb%8f%e9%aa%8c%e5%88%86%e4%ba%ab%e3%80%91ora-12516-%e6%8e%92%e6%9f%a5%e5%ae%9e%e5%bd%95%ef%bc%9a%e5%85%b1%e4%ba%ab%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%a8%a1%e5%bc%8f%e4%b8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92755.html","title":{"rendered":"\u3010\u771f\u5b9e\u7ecf\u9a8c\u5206\u4eab\u3011ORA-12516 \u6392\u67e5\u5b9e\u5f55\uff1a\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f\u4e0b SHARED_SERVER_SESSIONS \u4e0d\u8db3\u5f15\u53d1\u7684\u76d1\u542c\u6545\u969c"},"content":{"rendered":"<h3>1. \u5f15\u8a00<\/h3>\n<p>\u5bf9\u4e8e Oracle \u6570\u636e\u5e93\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u800c\u8a00&#xff0c;ORA-12516: TNS:listener could not find available handler with matching protocol stack \u662f\u4e00\u4e2a\u65e2\u719f\u6089\u53c8\u4ee4\u4eba\u5934\u75bc\u7684\u9519\u8bef&#xff0c;\u5c24\u5176\u5f53\u5b83\u8868\u73b0\u4e3a \u5076\u53d1\u6027 \u65f6\u3002\u4e0d\u540c\u4e8e\u6301\u7eed\u6027\u8d44\u6e90\u8017\u5c3d\u5bfc\u81f4\u7684\u62a5\u9519&#xff0c;\u95f4\u6b47\u6027\u7684 ORA-12516 \u5f80\u5f80\u4e0e\u77ac\u65f6\u5e76\u53d1\u5cf0\u503c\u3001\u8fde\u63a5\u590d\u7528\u673a\u5236\u4ee5\u53ca\u6570\u636e\u5e93\u670d\u52a1\u6a21\u5f0f\u5bc6\u5207\u76f8\u5173\u3002<\/p>\n<p>\u8fd1\u65e5\u5904\u7406\u4e86\u4e00\u8d77\u5ba2\u6237\u73af\u5883\u4e2d\u7684\u5907\u4efd\u4efb\u52a1\u5931\u8d25\u6848\u4f8b&#xff0c;\u73b0\u8c61\u6b63\u662f\u5076\u53d1\u6027 ORA-12516\u3002\u7f51\u4e0a\u641c\u7d22\u5927\u591a\u6307\u5411 PROCESSES \u548c SESSIONS \u53c2\u6570&#xff0c;\u4f46\u5b9e\u9645\u6392\u67e5\u4e0b\u6765&#xff0c;\u53d1\u73b0\u6839\u56e0\u5728\u4e8e\u5171\u4eab\u670d\u52a1\u5668&#xff08;Shared Server&#xff09;\u6a21\u5f0f\u4e0b SHARED_SERVER_SESSIONS \u53c2\u6570\u914d\u7f6e\u4e0d\u8db3\u3002\u672c\u6587\u5c06\u8fd8\u539f\u5b8c\u6574\u6392\u67e5\u4e0e\u89e3\u51b3\u8fc7\u7a0b&#xff0c;\u4e3a\u9047\u5230\u7c7b\u4f3c\u95ee\u9898\u7684\u540c\u884c\u63d0\u4f9b\u53c2\u8003\u3002<\/p>\n<h3>2. \u6545\u969c\u73b0\u8c61\u4e0e\u521d\u6b65\u5206\u6790<\/h3>\n<h4>2.1 \u6545\u969c\u8868\u73b0<\/h4>\n<ul>\n<li>\u5ba2\u6237\u5907\u4efd\u4efb\u52a1\u5728\u51cc\u6668\u6267\u884c\u671f\u95f4\u5076\u53d1\u6027\u5931\u8d25\u3002<\/li>\n<li>\u4ece\u5907\u4efd\u65e5\u5fd7\u4e2d\u6355\u83b7\u5230\u5178\u578b\u9519\u8bef&#xff1a;ORA-12516: TNS:listener could not find available handler with matching protocol stack\u3002<\/li>\n<\/ul>\n<h4>2.2 \u5e38\u89c4\u601d\u8def&#xff1a;PROCESSES \u4e0e SESSIONS<\/h4>\n<p>\u5728 Oracle \u5b98\u65b9\u6587\u6863\u548c\u793e\u533a\u4e2d&#xff0c;ORA-12516 \u6700\u5e38\u89c1\u7684\u89e3\u91ca\u662f&#xff1a;<\/p>\n<ul>\n<li>PROCESSES \u53c2\u6570\u8bbe\u7f6e\u7684\u8fdb\u7a0b\u6570\u5df2\u8fbe\u4e0a\u9650&#xff1b;<\/li>\n<li>SESSIONS \u53c2\u6570\u6d3e\u751f\u7684\u4f1a\u8bdd\u6570\u4e0d\u8db3&#xff0c;\u65e0\u6cd5\u4e3a\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u5206\u914d\u4f1a\u8bdd\u3002<\/li>\n<\/ul>\n<p>\u6309\u7167\u8fd9\u4e00\u601d\u8def&#xff0c;\u9996\u5148\u5bf9\u5ba2\u6237\u6570\u636e\u5e93\u8fdb\u884c\u4e86\u4ee5\u4e0b\u68c0\u67e5\u3002<\/p>\n<h3>3. \u521d\u671f\u6392\u67e5&#xff1a;PROCESSES \u4e0e SESSIONS \u6c34\u7ebf<\/h3>\n<h4>3.1 \u67e5\u8be2\u53c2\u6570\u9608\u503c<\/h4>\n<p><span class=\"token keyword\">SHOW<\/span> PARAMETER PROCESSES<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> PARAMETER SESSIONS<span class=\"token punctuation\">;<\/span><\/p>\n<table>\n<tr>\u53c2\u6570\u503c<\/tr>\n<tbody>\n<tr>\n<td>processes<\/td>\n<td>13626<\/td>\n<\/tr>\n<tr>\n<td>sessions<\/td>\n<td>20480<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ece\u7edd\u5bf9\u503c\u6765\u770b&#xff0c;PROCESSES&#061;13626\u3001SESSIONS&#061;20480 \u5e76\u4e0d\u7b97\u5c0f&#xff0c;\u5bf9\u4e8e\u4e2d\u7b49\u89c4\u6a21\u7684\u4f01\u4e1a\u6570\u636e\u5e93\u901a\u5e38\u662f\u591f\u7528\u7684\u3002<\/p>\n<h4>3.2 \u67e5\u8be2\u5386\u53f2\u5cf0\u503c<\/h4>\n<p>\u8fdb\u4e00\u6b65\u901a\u8fc7 V$RESOURCE_LIMIT \u67e5\u770b\u8fdb\u7a0b\u4e0e\u4f1a\u8bdd\u7684\u5386\u53f2\u4f7f\u7528\u5cf0\u503c&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> RESOURCE_NAME<span class=\"token punctuation\">,<\/span> CURRENT_UTILIZATION<span class=\"token punctuation\">,<\/span> MAX_UTILIZATION<span class=\"token punctuation\">,<\/span> LIMIT_VALUE<br \/>\n<span class=\"token keyword\">FROM<\/span> V$RESOURCE_LIMIT<br \/>\n<span class=\"token keyword\">WHERE<\/span> RESOURCE_NAME <span class=\"token operator\">IN<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;processes&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;sessions&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<table>\n<tr>RESOURCE_NAMECURRENT_UTILIZATIONMAX_UTILIZATIONLIMIT_VALUE<\/tr>\n<tbody>\n<tr>\n<td>processes<\/td>\n<td>235<\/td>\n<td>955<\/td>\n<td>13626<\/td>\n<\/tr>\n<tr>\n<td>sessions<\/td>\n<td>652<\/td>\n<td>1109<\/td>\n<td>20480<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7ed3\u679c\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>processes \u5386\u53f2\u5cf0\u503c\u4e3a 955&#xff0c;\u8fdc\u4f4e\u4e8e\u4e0a\u9650 13626&#xff0c;\u672a\u89e6\u53d1\u8fdb\u7a0b\u74f6\u9888\u3002<\/li>\n<li>sessions \u5386\u53f2\u5cf0\u503c\u4e3a 1109&#xff0c;\u540c\u6837\u8fdc\u4f4e\u4e8e\u4e0a\u9650 20480&#xff0c;\u672a\u89e6\u53d1\u4f1a\u8bdd\u6570\u91cf\u74f6\u9888\u3002<\/li>\n<\/ul>\n<p>\u26a0\ufe0f \u6ce8\u610f&#xff1a;MAX_UTILIZATION \u8bb0\u5f55\u7684\u662f\u5b9e\u4f8b\u542f\u52a8\u4ee5\u6765\u7684\u6700\u9ad8\u77ac\u65f6\u503c&#xff0c;\u4e0d\u4ee3\u8868\u5f53\u524d\u65f6\u523b\u3002\u4e5f\u5c31\u662f\u8bf4&#xff0c;\u66fe\u7ecf\u6709 1109 \u4e2a\u4f1a\u8bdd\u540c\u65f6\u5b58\u5728\u7684\u65f6\u523b&#xff0c;\u4f46\u8fd9\u4e2a\u6570\u503c\u672c\u8eab\u6ca1\u6709\u7a81\u7834 SESSIONS \u7684\u9650\u5236\u3002<\/p>\n<p>\u81f3\u6b64&#xff0c;\u5e38\u89c4\u7684 PROCESSES\/SESSIONS \u74f6\u9888\u8bba\u88ab\u6392\u9664\u3002\u95ee\u9898\u5fc5\u7136\u53e6\u6709\u539f\u56e0\u3002<\/p>\n<h3>4. \u6df1\u5165\u6392\u67e5&#xff1a;\u6570\u636e\u5e93\u670d\u52a1\u6a21\u5f0f\u7684\u7ebf\u7d22<\/h3>\n<p>\u5728\u6392\u9664\u5e38\u89c4\u53c2\u6570\u74f6\u9888\u540e&#xff0c;\u65b9\u5411\u8f6c\u5411\u6570\u636e\u5e93\u5b9e\u4f8b\u7684\u670d\u52a1\u6a21\u5f0f\u3002Oracle \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u8fde\u63a5\u6a21\u5f0f&#xff1a;<\/p>\n<table>\n<tr>\u6a21\u5f0f\u7279\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u4e13\u7528\u670d\u52a1\u5668&#xff08;Dedicated Server&#xff09;<\/td>\n<td>\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5bf9\u5e94\u4e00\u4e2a\u72ec\u7acb\u7684\u670d\u52a1\u8fdb\u7a0b&#xff08;oracle \u8fdb\u7a0b&#xff09;&#xff0c;\u8d44\u6e90\u7684\u72ec\u5360\u6027\u597d&#xff0c;\u4f46\u5185\u5b58\u5f00\u9500\u5927\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u4eab\u670d\u52a1\u5668&#xff08;Shared Server&#xff09;<\/td>\n<td>\u591a\u4e2a\u5ba2\u6237\u7aef\u5171\u4eab\u5c11\u91cf\u670d\u52a1\u8fdb\u7a0b&#xff08;shared server process&#xff09;&#xff0c;\u901a\u8fc7\u8c03\u5ea6\u5668&#xff08;Dispatcher&#xff09;\u5206\u53d1\u8bf7\u6c42\u3002\u51cf\u5c11\u4e86\u8fdb\u7a0b\/\u5185\u5b58\u5f00\u9500&#xff0c;\u4f46\u5bf9\u5e76\u53d1\u5171\u4eab\u4f1a\u8bdd\u6570\u6709\u989d\u5916\u9650\u5236\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7ecf\u68c0\u67e5&#xff0c;\u8be5\u6570\u636e\u5e93\u8fd0\u884c\u5728 \u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f \u4e0b\u3002\u5907\u4efd\u5de5\u5177\u7684\u8fde\u63a5\u4e32\u4e5f\u5370\u8bc1\u4e86\u8fd9\u4e00\u70b9\u2014\u2014\u8fde\u63a5\u5efa\u7acb\u540e&#xff0c;\u4f1a\u8bdd\u88ab\u6ce8\u518c\u4e3a\u5171\u4eab\u4f1a\u8bdd\u3002<\/p>\n<h3>5. \u5173\u952e\u8d44\u6e90\u6307\u6807\u6392\u67e5<\/h3>\n<p>\u5728\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f\u4e0b&#xff0c;\u9664\u4e86\u5168\u5c40\u7684 PROCESSES \u548c SESSIONS&#xff0c;\u8fd8\u6709\u51e0\u9879\u5173\u952e\u7684\u7ea7\u8054\u8d44\u6e90\u9650\u5236&#xff1a;<\/p>\n<ul>\n<li>SHARED_SERVERS&#xff1a;\u5171\u4eab\u670d\u52a1\u5668\u8fdb\u7a0b\u7684\u521d\u59cb\u6570\u91cf\u3002<\/li>\n<li>MAX_SHARED_SERVERS&#xff1a;\u5171\u4eab\u670d\u52a1\u5668\u8fdb\u7a0b\u7684\u6700\u5927\u6570\u91cf\u3002<\/li>\n<li>SHARED_SERVER_SESSIONS&#xff1a;\u5141\u8bb8\u7684\u6700\u5927\u5171\u4eab\u4f1a\u8bdd\u6570&#xff08;\u672c\u6b21\u6545\u969c\u7684\u6839\u56e0&#xff09;\u3002<\/li>\n<li>MAX_DISPATCHERS&#xff1a;\u8c03\u5ea6\u5668\u7684\u6700\u5927\u6570\u91cf\u3002<\/li>\n<li>CIRCUITS&#xff1a;\u865a\u62df\u7535\u8def\u7684\u6700\u5927\u6570\u91cf\u3002<\/li>\n<\/ul>\n<h4>5.1 \u67e5\u8be2\u5171\u4eab\u670d\u52a1\u5668\u76f8\u5173\u53c2\u6570<\/h4>\n<p><span class=\"token keyword\">SHOW<\/span> PARAMETER SHARED_SERVERS<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> PARAMETER MAX_SHARED_SERVERS<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> PARAMETER SHARED_SERVER_SESSIONS<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> PARAMETER MAX_DISPATCHERS<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> PARAMETER CIRCUITS<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5173\u952e\u503c\u5982\u4e0b&#xff1a;<\/p>\n<table>\n<tr>\u53c2\u6570\u503c<\/tr>\n<tbody>\n<tr>\n<td>shared_server_sessions<\/td>\n<td>1000<\/td>\n<\/tr>\n<tr>\n<td>processes<\/td>\n<td>13626<\/td>\n<\/tr>\n<tr>\n<td>sessions<\/td>\n<td>20480<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>5.2 \u8d44\u6e90\u9650\u5236\u89c6\u56fe\u518d\u6b21\u786e\u8ba4<\/h4>\n<p><span class=\"token keyword\">SELECT<\/span> RESOURCE_NAME<span class=\"token punctuation\">,<\/span> CURRENT_UTILIZATION<span class=\"token punctuation\">,<\/span> MAX_UTILIZATION<span class=\"token punctuation\">,<\/span> LIMIT_VALUE<br \/>\n<span class=\"token keyword\">FROM<\/span> V$RESOURCE_LIMIT<br \/>\n<span class=\"token keyword\">WHERE<\/span> RESOURCE_NAME <span class=\"token operator\">IN<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;processes&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;sessions&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;shared_server_sessions&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;circuits&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<table>\n<tr>RESOURCE_NAMECURRENT_UTILIZATIONMAX_UTILIZATIONLIMIT_VALUE<\/tr>\n<tbody>\n<tr>\n<td>processes<\/td>\n<td>235<\/td>\n<td>955<\/td>\n<td>13626<\/td>\n<\/tr>\n<tr>\n<td>sessions<\/td>\n<td>652<\/td>\n<td>1109<\/td>\n<td>20480<\/td>\n<\/tr>\n<tr>\n<td>shared_server_sessions<\/td>\n<td>&#xff08;\u5b9e\u65f6\u503c&#xff09;<\/td>\n<td>&#xff08;\u5386\u53f2\u5cf0\u503c&#xff09;<\/td>\n<td>1000<\/td>\n<\/tr>\n<tr>\n<td>circuits<\/td>\n<td>&#xff08;\u5b9e\u65f6\u503c&#xff09;<\/td>\n<td>&#xff08;\u5386\u53f2\u5cf0\u503c&#xff09;<\/td>\n<td>&#xff08;\u503c&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>6. \u6839\u56e0\u5b9a\u4f4d<\/h3>\n<p>\u5c06\u4e0a\u8ff0\u6570\u636e\u4e32\u8054\u8d77\u6765&#xff0c;\u6574\u6761\u903b\u8f91\u94fe\u975e\u5e38\u6e05\u6670&#xff1a;<\/p>\n<li>\u6570\u636e\u5e93\u4f1a\u8bdd\u5386\u53f2\u5cf0\u503c&#xff08;sessions \u7684 MAX_UTILIZATION&#xff09;\u4e3a 1109\u3002<\/li>\n<li>\u7531\u4e8e\u6570\u636e\u5e93\u8fd0\u884c\u5728\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f&#xff0c;\u4e14\u5907\u4efd\u4efb\u52a1\u7b49\u5173\u952e\u8fde\u63a5\u90fd\u8d70\u5171\u4eab\u4f1a\u8bdd&#xff0c;\u8fd9 1109 \u4e2a\u9ad8\u5cf0\u4f1a\u8bdd\u4e2d \u7edd\u5927\u90e8\u5206&#xff08;\u751a\u81f3\u5168\u90e8&#xff09;\u90fd\u662f\u5171\u4eab\u4f1a\u8bdd\u3002<\/li>\n<li>\u800c SHARED_SERVER_SESSIONS \u88ab\u8bbe\u7f6e\u4e3a 1000\u2014\u2014\u4ec5 1000 \u7684\u4e0a\u9650\u3002<\/li>\n<li>\u5f53\u77ac\u65f6\u5171\u4eab\u4f1a\u8bdd\u6570\u91cf\u8d85\u8fc7 1000 \u65f6&#xff0c;\u76d1\u542c\u5668&#xff08;Listener&#xff09;\u65e0\u6cd5\u4e3a\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u627e\u5230\u5339\u914d\u534f\u8bae\u6808\u7684\u53ef\u7528\u5904\u7406\u7a0b\u5e8f&#xff08;Shared Server&#xff09;&#xff0c;\u4ece\u800c\u629b\u51fa ORA-12516\u3002<\/li>\n<li>\u56e0\u4e3a MAX_UTILIZATION \u53ea\u662f\u5386\u53f2\u6700\u9ad8\u70b9&#xff0c;\u6211\u4eec\u65e0\u6cd5\u76f4\u89c2\u770b\u5230 1109 \u8fd9\u4e2a\u5cf0\u503c\u4e2d\u6709\u591a\u5c11\u79d2\/\u5206\u949f\u8d85\u8fc7\u4e86 1000&#xff0c;\u4f46\u8fd9\u6070\u597d\u89e3\u91ca\u4e86\u6545\u969c\u7684 \u5076\u53d1\u6027\u2014\u2014\u53ea\u6709\u5728\u4e1a\u52a1\u9ad8\u5cf0\u671f\u53e0\u52a0\u5907\u4efd\u4efb\u52a1\u65f6&#xff0c;\u5171\u4eab\u4f1a\u8bdd\u6570\u77ed\u6682\u8d85\u8fc7 1000&#xff0c;\u9519\u8bef\u624d\u4f1a\u51fa\u73b0\u3002<\/li>\n<p>&#x1f3af; \u4e00\u53e5\u8bdd\u6839\u56e0&#xff1a;SHARED_SERVER_SESSIONS&#061;1000 \u6210\u4e3a\u5171\u4eab\u4f1a\u8bdd\u6570\u7684\u9690\u5f62\u5929\u82b1\u677f&#xff0c;\u5728 SESSIONS \u548c PROCESSES \u8fdc\u672a\u7528\u6ee1\u7684\u60c5\u51b5\u4e0b&#xff0c;\u9650\u5236\u4e86\u5b9e\u9645\u5e76\u53d1\u8fde\u63a5\u80fd\u529b\u3002<\/p>\n<h3>7. \u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>7.1 \u8c03\u6574 SHARED_SERVER_SESSIONS \u53c2\u6570<\/h4>\n<p>\u6839\u636e\u4e1a\u52a1\u5e76\u53d1\u91cf\u548c\u5386\u53f2\u5cf0\u503c&#xff08;1109&#xff09;&#xff0c;\u5c06 SHARED_SERVER_SESSIONS \u9002\u5f53\u8c03\u9ad8&#xff0c;\u4f8b\u5982\u8bbe\u7f6e\u4e3a 2000 \u6216\u66f4\u9ad8&#xff1a;<\/p>\n<p><span class=\"token keyword\">ALTER<\/span> SYSTEM <span class=\"token keyword\">SET<\/span> shared_server_sessions<span class=\"token operator\">&#061;<\/span><span class=\"token number\">2000<\/span> SCOPE<span class=\"token operator\">&#061;<\/span>BOTH<span class=\"token punctuation\">;<\/span><\/p>\n<ul>\n<li>SCOPE&#061;BOTH \u540c\u65f6\u4fee\u6539\u5185\u5b58\u548c SPFILE&#xff0c;\u53ef\u5728\u7ebf\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h4>7.2 \u9a8c\u8bc1<\/h4>\n<p>\u8c03\u6574\u540e&#xff0c;\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1&#xff1a;<\/p>\n<li>\n<p>\u786e\u8ba4\u53c2\u6570\u5df2\u751f\u6548&#xff1a;<\/p>\n<p><span class=\"token keyword\">SHOW<\/span> PARAMETER SHARED_SERVER_SESSIONS<span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u89c2\u5bdf\u540e\u7eed\u5907\u4efd\u4efb\u52a1\u65e5\u5fd7&#xff0c;\u786e\u8ba4 ORA-12516 \u4e0d\u518d\u51fa\u73b0\u3002<\/p>\n<\/li>\n<li>\n<p>\u6301\u7eed\u76d1\u63a7&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> RESOURCE_NAME<span class=\"token punctuation\">,<\/span> CURRENT_UTILIZATION<span class=\"token punctuation\">,<\/span> MAX_UTILIZATION<span class=\"token punctuation\">,<\/span> LIMIT_VALUE<br \/>\n<span class=\"token keyword\">FROM<\/span> V$RESOURCE_LIMIT<br \/>\n<span class=\"token keyword\">WHERE<\/span> RESOURCE_NAME <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;shared_server_sessions&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u91cd\u70b9\u5173\u6ce8 MAX_UTILIZATION \u662f\u5426\u63a5\u8fd1\u65b0\u8bbe\u9650\u503c&#xff0c;\u5224\u65ad\u662f\u5426\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u4f18\u3002<\/p>\n<\/li>\n<h4>7.3 \u5907\u9009\u65b9\u6848<\/h4>\n<p>\u5982\u679c\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f\u4e0b\u7684\u4f1a\u8bdd\u7ba1\u7406\u6301\u7eed\u5e26\u6765\u56f0\u6270&#xff0c;\u4e5f\u53ef\u4ee5\u8bc4\u4f30\u662f\u5426\u5c06\u5907\u4efd\u4efb\u52a1\u6539\u4e3a\u4e13\u7528\u670d\u52a1\u5668\u8fde\u63a5&#xff1a;<\/p>\n<ul>\n<li>\u5728\u8fde\u63a5\u4e32\u4e2d\u6dfb\u52a0 (SERVER&#061;DEDICATED)&#xff1b;<\/li>\n<li>\u6216\u5728\u670d\u52a1\u7aef\u901a\u8fc7 TNS \u914d\u7f6e\u4e3a\u5907\u4efd\u670d\u52a1\u6307\u5b9a DEDICATED \u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u6837\u53ef\u4ee5\u5f7b\u5e95\u7ed5\u5f00 SHARED_SERVER_SESSIONS \u7684\u9650\u5236&#xff0c;\u4f46\u4f1a\u589e\u52a0\u670d\u52a1\u5668\u8fdb\u7a0b\u6570\u5f00\u9500&#xff0c;\u9700\u8981\u7ed3\u5408 PROCESSES \u53c2\u6570\u5bb9\u91cf\u8bc4\u4f30\u3002<\/p>\n<h3>8. \u6269\u5c55\u601d\u8003&#xff1a;\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f\u53c2\u6570\u8c03\u4f18\u6700\u4f73\u5b9e\u8df5<\/h3>\n<h4>8.1 \u5171\u4eab\u670d\u52a1\u5668\u53c2\u6570\u95f4\u7684\u7ea6\u675f\u5173\u7cfb<\/h4>\n<p>\u5404\u53c2\u6570\u4e4b\u95f4\u5e76\u975e\u5b8c\u5168\u72ec\u7acb&#xff0c;\u5b58\u5728\u9690\u5f0f\u7ea6\u675f&#xff1a;<\/p>\n<ul>\n<li>SHARED_SERVER_SESSIONS \u2264 SESSIONS&#xff08;\u5171\u4eab\u4f1a\u8bdd\u6570\u4e0d\u80fd\u8d85\u8fc7\u5168\u5c40\u4f1a\u8bdd\u6570&#xff09;\u3002<\/li>\n<li>SHARED_SERVER_SESSIONS \u8db3\u591f\u5927\u65f6&#xff0c;\u5b9e\u9645\u5e76\u53d1\u53d7 MAX_SHARED_SERVERS \u548c CIRCUITS \u5236\u7ea6\u3002<\/li>\n<li>DISPATCHERS \u51b3\u5b9a\u4e86\u80fd\u540c\u65f6\u6392\u961f\u7b49\u5f85\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\u3002<\/li>\n<\/ul>\n<h4>8.2 \u63a8\u8350\u7684\u76d1\u63a7\u4e0e\u57fa\u7ebf<\/h4>\n<table>\n<tr>\u8d44\u6e90\u6307\u6807\u76d1\u63a7\u9879\u544a\u8b66\u9608\u503c\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td>shared_server_sessions<\/td>\n<td>MAX_UTILIZATION \/ LIMIT_VALUE<\/td>\n<td>\u2265 80%<\/td>\n<\/tr>\n<tr>\n<td>processes<\/td>\n<td>MAX_UTILIZATION \/ LIMIT_VALUE<\/td>\n<td>\u2265 75%<\/td>\n<\/tr>\n<tr>\n<td>sessions<\/td>\n<td>MAX_UTILIZATION \/ LIMIT_VALUE<\/td>\n<td>\u2265 75%<\/td>\n<\/tr>\n<tr>\n<td>circuits<\/td>\n<td>MAX_UTILIZATION \/ LIMIT_VALUE<\/td>\n<td>\u2265 80%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u901a\u8fc7\u5efa\u7acb\u4e0a\u8ff0\u76d1\u63a7\u57fa\u7ebf&#xff0c;\u53ef\u4ee5\u63d0\u524d\u9884\u8b66\u8d44\u6e90\u74f6\u9888&#xff0c;\u907f\u514d\u4e1a\u52a1\u9ad8\u5cf0\u65f6\u51fa\u73b0 ORA-12516 \u7b49\u8fde\u63a5\u5c42\u6545\u969c\u3002<\/p>\n<h3>9. \u603b\u7ed3<\/h3>\n<p>\u672c\u6587\u6848\u4f8b\u8868\u660e&#xff0c;ORA-12516 \u7684\u6839\u56e0\u5e76\u4e0d\u4ec5\u9650\u4e8e PROCESSES \u548c SESSIONS \u4e24\u4e2a\u6700\u5e38\u89c1\u53c2\u6570\u3002\u5728 \u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f&#xff08;Shared Server&#xff09; \u4e0b&#xff0c;SHARED_SERVER_SESSIONS \u540c\u6837\u662f\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u89c6\u4f46\u5f71\u54cd\u91cd\u5927\u7684\u74f6\u9888\u3002<\/p>\n<p>\u6392\u67e5\u6b64\u7c7b\u95ee\u9898\u65f6&#xff0c;\u5efa\u8bae\u9075\u5faa\u4ee5\u4e0b\u94fe\u8def&#xff1a;<\/p>\n<li>\u786e\u8ba4\u6570\u636e\u5e93\u670d\u52a1\u6a21\u5f0f&#xff08;SHOW PARAMETER SHARED_SERVERS&#xff09;\u3002<\/li>\n<li>\u67e5\u770b V$RESOURCE_LIMIT \u4e2d\u5404\u9879\u8d44\u6e90\u7684\u5386\u53f2\u5cf0\u503c\u4e0e\u9650\u503c\u3002<\/li>\n<li>\u7ed3\u5408\u4e1a\u52a1\u5e76\u53d1\u91cf\u4e0e\u8fde\u63a5\u65b9\u5f0f&#xff0c;\u5b9a\u4f4d\u662f\u5168\u5c40\u8d44\u6e90&#xff08;processes \/ sessions&#xff09;\u8fd8\u662f\u5171\u4eab\u8d44\u6e90&#xff08;shared_server_sessions \/ circuits \/ dispatchers&#xff09;\u4e0d\u8db3\u3002<\/li>\n<li>\u9488\u5bf9\u6027\u5730\u8c03\u6574\u53c2\u6570\u5e76\u5efa\u7acb\u6301\u7eed\u76d1\u63a7\u57fa\u7ebf\u3002<\/li>\n<p>\u5e0c\u671b\u672c\u6587\u80fd\u4e3a\u9047\u5230\u540c\u7c7b\u95f4\u6b47\u6027 ORA-12516 \u6545\u969c\u7684 DBA \u63d0\u4f9b\u6e05\u6670\u7684\u6392\u67e5\u601d\u8def\u548c\u5b9e\u64cd\u53c2\u8003\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u5f15\u8a00<br \/>\n\u5bf9\u4e8e Oracle \u6570\u636e\u5e93\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u800c\u8a00&#xff0c;ORA-12516: TNS:listener could not find available handler with matching protocol stack \u662f\u4e00\u4e2a\u65e2\u719f\u6089\u53c8\u4ee4\u4eba\u5934\u75bc\u7684\u9519\u8bef&#xff0c;\u5c24\u5176\u5f53\u5b83\u8868\u73b0\u4e3a \u5076\u53d1\u6027 \u65f6\u3002\u4e0d\u540c\u4e8e\u6301\u7eed\u6027\u8d44\u6e90\u8017\u5c3d\u5bfc\u81f4\u7684\u62a5\u9519&#xff0c;\u95f4\u6b47\u6027\u7684 ORA-12516 \u5f80\u5f80\u4e0e\u77ac\u65f6\u5e76\u53d1\u5cf0\u503c\u3001\u8fde\u63a5\u590d\u7528\u673a\u5236\u4ee5\u53ca\u6570\u636e\u5e93\u670d\u52a1\u6a21\u5f0f\u5bc6\u5207\u76f8\u5173\u3002<br \/>\n\u8fd1\u65e5\u5904\u7406\u4e86\u4e00\u8d77\u5ba2\u6237\u73af\u5883\u4e2d\u7684\u5907\u4efd<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[604,43,44],"topic":[],"class_list":["post-92755","post","type-post","status-publish","format-standard","hentry","category-server","tag-oracle","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u771f\u5b9e\u7ecf\u9a8c\u5206\u4eab\u3011ORA-12516 \u6392\u67e5\u5b9e\u5f55\uff1a\u5171\u4eab\u670d\u52a1\u5668\u6a21\u5f0f\u4e0b SHARED_SERVER_SESSIONS \u4e0d\u8db3\u5f15\u53d1\u7684\u76d1\u542c\u6545\u969c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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