{"id":60309,"date":"2024-10-13T01:47:18","date_gmt":"2024-10-12T17:47:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60309\/"},"modified":"2024-10-13T01:47:18","modified_gmt":"2024-10-12T17:47:18","slug":"db2-for-z-os-or-os-390%e6%80%a7%e8%83%bd%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e7%ae%a1%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60309\/","title":{"rendered":"DB2 For z\/OS or OS\/390\u6027\u80fd\u5982\u4f55\u6b63\u78ba\u7ba1\u7406\uff1f"},"content":{"rendered":"<h1 id=\"db2-for-z-os-%e6%88%96-os-390-%e6%80%a7%e8%83%bd%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e7%ae%a1%e7%90%86%ef%bc%9f-xUvZnwCZAy\">DB2 For z\/OS \u6216 OS\/390 \u6027\u80fd\u5982\u4f55\u6b63\u78ba\u7ba1\u7406\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002IBM \u7684 DB2 For z\/OS \u548c OS\/390 \u662f\u5ee3\u6cdb\u4f7f\u7528\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u4f01\u696d\u74b0\u5883\u4e2d\u3002\u6b63\u78ba\u7ba1\u7406\u9019\u4e9b\u7cfb\u7d71\u7684\u6027\u80fd\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u80fd\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406 DB2 \u7684\u6027\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e7%ae%a1%e7%90%86%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-xUvZnwCZAy\">\u6027\u80fd\u7ba1\u7406\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6027\u80fd\u7ba1\u7406\u662f\u6307\u901a\u904e\u76e3\u63a7\u548c\u8abf\u6574\u7cfb\u7d71\u7684\u5404\u500b\u7d44\u4ef6\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7cfb\u7d71\u80fd\u5920\u9ad8\u6548\u904b\u884c\u3002\u5c0d\u65bc DB2 \u800c\u8a00\uff0c\u9019\u5305\u62ec\u4e86\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u8cc7\u6e90\u5229\u7528\u7387<\/li>\n<li>\u67e5\u8a62\u6027\u80fd<\/li>\n<li>\u6578\u64da\u5eab\u8a2d\u8a08<\/li>\n<li>\u7cfb\u7d71\u914d\u7f6e<\/li>\n<\/ul>\n<h2 id=\"%e8%b3%87%e6%ba%90%e5%88%a9%e7%94%a8%e7%8e%87%e7%9a%84%e7%9b%a3%e6%8e%a7-xUvZnwCZAy\">\u8cc7\u6e90\u5229\u7528\u7387\u7684\u76e3\u63a7<\/h2>\n<p>\u8cc7\u6e90\u5229\u7528\u7387\u662f\u6027\u80fd\u7ba1\u7406\u7684\u6838\u5fc3\u3002DB2 \u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u76e3\u63a7 CPU\u3001\u5167\u5b58\u548c I\/O \u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u4f8b\u5982\uff0cDB2 \u7684 <code>MON_GET_BUFFERPOOL<\/code> \u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u7de9\u885d\u6c60\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u5f9e\u800c\u8abf\u6574\u7de9\u885d\u6c60\u7684\u5927\u5c0f\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>\nSELECT * FROM TABLE(MON_GET_BUFFERPOOL(NULL, -2)) AS BP;\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u4f7f\u7528 <code>MON_GET_UNIT_OF_WORK<\/code> \u53ef\u4ee5\u76e3\u63a7\u55ae\u4f4d\u5de5\u4f5c\u8ca0\u8f09\u7684\u6027\u80fd\uff0c\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e7%9a%84%e5%84%aa%e5%8c%96-xUvZnwCZAy\">\u67e5\u8a62\u6027\u80fd\u7684\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ff DB2 \u6574\u9ad4\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u3002\u70ba\u4e86\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u78ba\u4fdd\u5c0d\u5e38\u7528\u67e5\u8a62\u7684\u5217\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u67e5\u8a62\u91cd\u5beb\uff1a<\/strong>\u5c0d\u65bc\u8907\u96dc\u7684\u67e5\u8a62\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u5beb\u4ee5\u6e1b\u5c11\u8a08\u7b97\u91cf\u3002<\/li>\n<li><strong>\u57f7\u884c\u8a08\u5283\u5206\u6790\uff1a<\/strong>\u4f7f\u7528 <code>EXPLAIN<\/code> \u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u554f\u984c\u3002<\/li>\n<\/ul>\n<pre><code>\nEXPLAIN PLAN FOR\nSELECT * FROM EMPLOYEES WHERE DEPARTMENT = 'SALES';\n<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-xUvZnwCZAy\">\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u826f\u597d\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u78ba\u4fdd\u6027\u80fd\u7684\u57fa\u790e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u4e0a\u7684\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>\u901a\u904e\u6b63\u898f\u5316\u4f86\u6e1b\u5c11\u6578\u64da\u5197\u9918\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u5206\u5340\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u6280\u8853\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7dad\u8b77\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b3%bb%e7%b5%b1%e9%85%8d%e7%bd%ae%e7%9a%84%e8%aa%bf%e6%95%b4-xUvZnwCZAy\">\u7cfb\u7d71\u914d\u7f6e\u7684\u8abf\u6574<\/h2>\n<p>DB2 \u7684\u6027\u80fd\u4e5f\u53d7\u5230\u7cfb\u7d71\u914d\u7f6e\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u7de9\u885d\u6c60\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u7684\u5de5\u4f5c\u8ca0\u8f09\u8abf\u6574\u7de9\u885d\u6c60\u7684\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8 I\/O \u6027\u80fd\u3002<\/li>\n<li><strong>\u914d\u7f6e DB2 \u7684\u53c3\u6578\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u8abf\u6574 DB2 \u7684\u914d\u7f6e\u53c3\u6578\uff0c\u4f8b\u5982 <code>DBHEAP<\/code> \u548c <code>SORTHEAP<\/code>\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-xUvZnwCZAy\">\u7d50\u8ad6<\/h2>\n<p>\u6b63\u78ba\u7ba1\u7406 DB2 For z\/OS \u6216 OS\/390 \u7684\u6027\u80fd\u9700\u8981\u5168\u9762\u7684\u76e3\u63a7\u548c\u8abf\u6574\u3002\u901a\u904e\u76e3\u63a7\u8cc7\u6e90\u5229\u7528\u7387\u3001\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3001\u9075\u5faa\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10\u4ee5\u53ca\u8abf\u6574\u7cfb\u7d71\u914d\u7f6e\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5176\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u6548\u7387\u548c\u7a69\u5b9a\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6301\u7e8c\u5b78\u7fd2\u548c\u9069\u61c9\u65b0\u7684\u6027\u80fd\u7ba1\u7406\u5de5\u5177\u548c\u6280\u8853\u5c07\u662f\u672a\u4f86\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u6709\u6548\u7ba1\u7406DB2 for z\/OS\u6216OS\/390\u7684\u6027\u80fd\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60309","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60309"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60309\/revisions"}],"predecessor-version":[{"id":60310,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60309\/revisions\/60310"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}