{"id":503,"date":"2008-06-06T00:00:00","date_gmt":"2008-06-05T16:00:00","guid":{"rendered":"http:\/\/www.strongd.net\/?p=503"},"modified":"2011-07-15T09:31:00","modified_gmt":"2011-07-15T01:31:00","slug":"%e4%bb%8e%e7%bc%96%e8%af%91%e5%88%b0%e5%b7%a5%e5%85%b7%ef%bc%9a%e5%87%a0%e7%a7%8dmysql%e7%9a%84%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=503","title":{"rendered":"\u4ece\u7f16\u8bd1\u5230\u5de5\u5177\uff1a\u51e0\u79cdMysql\u7684\u4f18\u5316\u65b9\u6cd5"},"content":{"rendered":"

\u4e00\u3001\u5728\u7f16\u8bd1\u65f6\u4f18\u5316mysql<\/P>
\n

\u5982\u679c\u4f60\u4ece\u6e90\u4ee3\u7801\u5206\u53d1\u5b89\u88c5mysql\uff0c\u8981\u6ce8\u610f\uff0c\u7f16\u8bd1\u8fc7\u7a0b\u5bf9\u4ee5\u540e\u7684\u76ee\u6807\u7a0b\u5e8f\u6027\u80fd\u6709\u91cd\u8981\u7684\u5f71\u54cd\uff0c\u4e0d\u540c\u7684\u7f16\u8bd1\u65b9\u5f0f\u53ef\u80fd\u5f97\u5230\u7c7b\u4f3c\u7684\u76ee\u6807\u6587\u4ef6\uff0c\u4f46\u6027\u80fd\u53ef\u80fd\u76f8\u5dee\u5f88\u5927\uff0c\u56e0\u6b64\uff0c\u5728\u7f16\u8bd1\u5b89\u88c5mysql\u9002\u5e94\u4ed4\u7ec6\u6839\u636e\u4f60\u7684\u5e94\u7528\u7c7b\u578b\u9009\u62e9\u6700\u53ef\u80fd\u597d\u7684\u7f16\u8bd1\u9009\u9879\u3002\u8fd9\u79cd\u5b9a\u5236\u7684mysql\u53ef\u4ee5\u4e3a\u4f60\u7684\u5e94\u7528\u63d0\u4f9b\u6700\u4f73\u6027\u80fd\u3002\u3000<\/P>
\n

\u6280\u5de7\uff1a\u9009\u7528\u8f83\u597d\u7684\u7f16\u8bd1\u5668\u548c\u8f83\u597d\u7684\u7f16\u8bd1\u5668\u9009\u9879\uff0c\u8fd9\u6837\u5e94\u7528\u53ef\u63d0\u9ad8\u6027\u80fd10-30%\u3002\uff08mysql\u6587\u6863\u5982\u662f\u8bf4\uff09\u3000<\/P>
\n

1.1\u3001\u4f7f\u7528pgcc\uff08pentium\u3000gcc)\u7f16\u8bd1\u5668<\/P>
\n

\u8be5\u7f16\u8bd1\u5668\uff08http:\/\/www.goof.com\/pcg\/<\/A>\uff09\u9488\u5bf9\u8fd0\u884c\u5728\u5954\u817e\u5904\u7406\u5668\u7cfb\u7edf\u4e0a\u7684\u7a0b\u5e8f\u8fdb\u884c\u4f18\u5316\uff0c\u7528pgcc\u7f16\u8bd1mysql\u6e90\u4ee3\u7801\uff0c\u603b\u4f53\u6027\u80fd\u53ef\u63d0\u9ad810%\u3002\u5f53\u7136\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u4e0d\u662f\u7528\u5954\u817e\u5904\u7406\u5668\uff0c\u5c31\u4e0d\u5fc5\u7528\u5b83\u4e86\uff0c\u56e0\u4e3a\u5b83\u662f\u4e13\u4e3a\u5954\u817e\u7cfb\u7edf\u8bbe\u8ba1\u7684\u3002\u3000<\/P>
\n

1.2\u3001\u4ec5\u4f7f\u7528\u4f60\u60f3\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u7f16\u8bd1mysql<\/P>
\n

mysql\u76ee\u524d\u63d0\u4f9b\u591a\u8fbe24\u79cd\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\uff0c\u4e3a\u5168\u7403\u7528\u6237\u4ee5\u4ed6\u4eec\u81ea\u5df1\u7684\u8bed\u8a00\u63d2\u5165\u6216\u67e5\u770b\u8868\u4e2d\u7684\u6570\u636e\u3002\u5374\u7701\u60c5\u51b5\u4e0b\uff0cmysql\u5b89\u88c5\u6240\u6709\u8005\u8fd9\u4e9b\u5b57\u7b26\u96c6\uff0c\u70ed\u7136\u800c\uff0c\u6700\u597d\u7684\u9009\u62e9\u662f\u6307\u9009\u62e9\u4e00\u79cd\u4f60\u9700\u8981\u7684\u3002\u5982\uff0c\u7981\u6b62\u9664latin1\u5b57\u7b26\u96c6\u4ee5\u5916\u7684\u6240\u6709\u5176\u5b83\u5b57\u7b26\u96c6\uff1a\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

%>.\/configure\u3000-with-extra-charsets=none\u3000[–other-configuration-options]\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

1.3\u3001\u5c06mysqld\u7f16\u8bd1\u6210\u9759\u6001\u6267\u884c\u6587\u4ef6<\/P>
\n

\u5c06mysqld\u7f16\u8bd1\u6210\u9759\u6001\u6267\u884c\u6587\u4ef6\u800c\u65e0\u9700\u5171\u4eab\u5e93\u4e5f\u80fd\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u901a\u8fc7\u5728\u914d\u7f6e\u65f6\u6307\u5b9a\u4e0b\u5217\u9009\u9879\uff0c\u53ef\u9759\u6001\u7f16\u8bd1mysqld\u3002\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

%>.\/configure\u3000-with-mysqld-ldflags=-all-static\u3000[–other-configuration-options]\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

1.4\u3001\u914d\u7f6e\u6837\u672c<\/P>
\n

\u4e0b\u5217\u914d\u7f6e\u547d\u4ee4\u5e38\u7528\u4e8e\u63d0\u9ad8\u6027\u80fd\uff1a\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

%>cflags=”-o6 \u3000-mpentiumpro\u3000-fomit-frame-pointer”\u3000cxx=gcc\u3000cxxflags=”-o6\u3000-mpentiumpro\u3000 -fomit-frame-pointer\u3000-felide-constructors\u3000-fno-exceptions\u3000-fno-rtti”\u3000 .\/configure\u3000–prefix=\/usr\/local\u3000–enable-assembler\u3000 –with-mysqld-ldflags=-all-static\u3000–disable-shared\u3000<\/P>
\n

——————————————————————————\u3000<\/P>
\n

\u4e8c\u3001\u8c03\u6574\u670d\u52a1\u5668<\/P>
\n

\u786e\u4fdd\u8fd0\u7528\u6b63\u786e\u7684\u7f16\u8bd1\u56fa\u7136\u91cd\u8981\uff0c\u4f46\u8fd9\u53ea\u662f\u6210\u529f\u7684\u7b2c\u4e00\u6b65\uff0c\u914d\u7f6e\u4f17\u591a\u7684mysql\u53d8\u91cf\u540c\u6837\u5bf9\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u8d77\u5173\u952e\u4f5c\u7528\u3002\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u53d8\u91cf\u7684\u8d4b\u503c\u5b58\u5728\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u5728\u6bcf\u6b21\u542f\u52a8mysql\u65f6\u5747\u8d77\u4f5c\u7528\uff0c\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u5c31\u662fmy.cnf\u6587\u4ef6\u3002<\/P>
\n

mysql\u5df2\u7ecf\u63d0\u4f9b\u4e86\u51e0\u4e2amy.cnf\u6587\u4ef6\u7684\u6837\u672c\uff0c\u53ef\u5728\/usr\/local\/mysqld\/share\/mysql\/\u76ee\u5f55\u4e0b\u627e\u5230\u3002\u8fd9\u4e9b\u6587\u4ef6\u5206\u522b\u547d\u540d\u4e3amy-small.cnf\u3001\u3000my-medium.cnf\u3001my-large.cnf\u548cmy-huge.cnf\uff0c\u89c4\u6a21\u8bf4\u660e\u53ef\u5728\u63cf\u8ff0\u914d\u7f6e\u6587\u4ef6\u9002\u7528\u7684\u7cfb\u7edf\u7c7b\u578b\u6807\u9898\u4e2d\u627e\u5230\u3002\u5982\u679c\u5728\u53ea\u6709\u76f8\u5f53\u5c11\u5185\u5b58\u7684\u7cfb\u7edf\u4e0a\u8fd0\u884cmysql\uff0c\u800c\u4e14\u53ea\u662f\u5076\u5c14\u7684\u7528\u4e00\u4e0b\uff0c\u90a3\u4e48my-small.cnf\u4f1a\u6bd4\u8f83\u7406\u60f3\uff0c\u56e0\u4e3a\u5b83\u547d\u4ee4mysqld \u53ea\u4f7f\u7528\u6700\u5c11\u7684\u8d44\u6e90\u3002\u7c7b\u4f3c\u5730\uff0c\u5982\u679c\u4f60\u8ba1\u5212\u6784\u5efa\u7535\u5b50\u5546\u52a1\u8d85\u5e02\uff0c\u800c\u4e14\u7cfb\u7edf\u62e5\u67092g\u5185\u5b58\uff0c\u90a3\u4e48\u4f60\u53ef\u80fd\u8981\u7528\u5230mysql-huge.cnf\u6587\u4ef6\u4e86\u3002\u4e3a\u4e86\u5229\u7528\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u4e00\u4e2a\uff0c\u4f60\u9700\u8981\u590d\u5236\u4e00\u4e2a\u6700\u9002\u5408\u9700\u6c42\u7684\u6587\u4ef6\uff0c\u6539\u540d\u4e3amy.cnf\u3002\u4f60\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u4e09\u79cd\u4f5c\u7528\u8303\u56f4\u7684\u4e00\u79cd\uff1a<\/P>
\n

global\uff1a\u5c06my.cnf\u6587\u4ef6\u590d\u5236\u5230\u670d\u52a1\u5668\u7684\/etc\u76ee\u5f55\u4e0b\uff0c\u8fd9\u4f7f\u5f97\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u53d8\u91cf\u4f5c\u7528\u4e8e\u5168\u5c40\uff0c\u5373\u5bf9\u6240\u6709\u670d\u52a1\u5668\u4e0a\u7684mysql\u6570\u636e\u5e93\u670d\u52a1\u5668\u6709\u6548\u3002<\/P>
\n

local\uff1a\u5c06my.cnf\u6587\u4ef6\u590d\u5236\u5230[mysql-install-dir]\/var\/\u76ee\u5f55\u4e0b\uff0c\u4f7f\u5f97my.cnf\u4f5c\u7528\u4e8e\u7279\u5b9a\u7684\u670d\u52a1\u5668\u3002[mysql-install-dir]\u8868\u793amysql\u5b89\u88c5\u76ee\u5f55\u3002<\/P>
\n

user\uff1a\u4f60\u53ef\u4ee5\u518d\u9650\u5236\u4f5c\u7528\u4e8e\u7279\u5b9a\u7684\u7528\u6237\uff0c\u5c06my.cnf\u590d\u5236\u5230\u7528\u6237\u7684\u6839\u76ee\u5f55\u4e0b\u3002<\/P>
\n

\u7a76\u7adf\u5982\u4f55\u8bbe\u7f6emy.cnf\u4e2d\u7684\u8fd9\u4e9b\u53d8\u91cf\u5462\uff1f\u66f4\u8fdb\u4e00\u6b65\u8bf4\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u54ea\u4e00\u4e2a\u53d8\u91cf\u3002\u867d\u7136\u6240\u7528\u53d8\u91cf\u5bf9mysql\u670d\u52a1\u5668\u76f8\u5bf9\u901a\u7528\uff0c\u6bcf\u4e00\u4e2a\u53d8\u91cf\u4e0emysql\u7684\u7684\u67d0\u4e9b\u7ec4\u4ef6\u6709\u66f4\u7279\u5b9a\u7684\u5173\u7cfb\u3002\u5982\u53d8\u91cfmax_connects\u5f52\u5728mysqld\u7c7b\u522b\u4e0b\u3002\u6267\u884c\u4e0b\u5217\u547d\u4ee4\u5373\u53ef\u77e5\u9053\uff1a\u3000<\/P>
\n

——————————————————————<\/P>
\n

%>\/usr\/local\/mysql\/libexec\/mysqld\u3000–help\u3000<\/P>
\n

——————————————————————\u3000<\/P>
\n

\u5b83\u663e\u793a\u5927\u91cf\u7684\u9009\u9879\u53ca\u4e0emysqld\u76f8\u5173\u7684\u53d8\u91cf\u3002\u4f60\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5728\u8be5\u884c\u6587\u5b57\u4e4b\u4e0b\u627e\u51fa\u53d8\u91cf\uff1a\u3000<\/P>
\n

——————————————————————-\u3000<\/P>
\n

possible\u3000variables\u3000for\u3000option\u3000–set-variable\u3000(-o)\u3000are\u3000<\/P>
\n

——————————————————————-\u3000<\/P>
\n

\u7136\u540e\u4f60\u53ef\u4ee5\u5982\u4e0b\u8bbe\u7f6emy.cnf\u4e2d\u7684\u90a3\u4e9b\u53d8\u91cf\uff1a\u3000<\/P>
\n

——————————————————————-\u3000<\/P>
\n

set-variable\u3000=\u3000max_connections=100\u3000<\/P>
\n

——————————————————————-\u3000<\/P>
\n

\u5b83\u8bbe\u7f6emysql\u670d\u52a1\u5668\u7684\u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570\u4e3a100\u3002\u8981\u786e\u4fdd\u5728my.cnf\u6587\u4ef6\u4e2d\u7684[mysqld]\u6807\u9898\u4e0b\u63d2\u5165\u53d8\u91cf\u8bbe\u7f6e\u3002\u3000<\/P>
\n

\u4e09\u3001\u8868\u7c7b\u578b<\/P>
\n

\u5f88\u591amysql\u7528\u6237\u53ef\u80fd\u5f88\u60ca\u8bb6\uff0cmysql\u786e\u5b9e\u4e3a\u7528\u6237\u63d0\u4f9b5\u79cd\u4e0d\u540c\u7684\u8868\u7c7b\u578b\uff0c\u79f0\u4e3adbd\u3001heap\u3001isam\u3001merge\u548cmyiasm\u3002dbd\u5f52\u4e3a\u4e8b\u52a1\u5b89\u5168\u7c7b\uff0c\u800c\u5176\u4ed6\u4e3a\u975e\u4e8b\u52a1\u5b89\u5168\u7c7b\u3002\u3000<\/P>
\n

3.1\u3001\u4e8b\u52a1\u5b89\u5168\u3000<\/P>
\n

dbd\u3000<\/P>
\n

berkeley \u3000db(dbd)\u8868\u662f\u652f\u6301\u4e8b\u52a1\u5904\u7406\u7684\u8868\uff0c\u7531sleepycat\u8f6f\u4ef6\u516c\u53f8(http:\/\/www.sleepycat.com<\/A>)\u5f00\u53d1\u3002\u5b83\u63d0\u4f9bmysql\u7528\u6237\u671f\u5f85\u5df2\u4e45\u7684\u529f\u80fd-\u4e8b\u52a1\u63a7\u5236\u3002\u4e8b\u52a1\u63a7\u5236\u5728\u4efb\u4f55\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u90fd\u662f\u4e00\u4e2a\u6781\u6709\u4ef7\u503c\u7684\u529f\u80fd\uff0c\u56e0\u4e3a\u5b83\u4eec\u786e\u4fdd\u4e00\u7ec4\u547d\u4ee4\u80fd\u6210\u529f\u5730\u6267\u884c\u3002\u3000<\/P>
\n

3.2\u3001\u975e\u4e8b\u52a1\u5b89\u5168\u3000<\/P>
\n

heap\u3000<\/P>
\n

heap\u8868\u662fmysql\u4e2d\u5b58\u53d6\u6570\u636e\u6700\u5feb\u7684\u8868\u3002\u8fd9\u662f\u56e0\u4e3a\u4ed6\u4eec\u4f7f\u7528\u5b58\u50a8\u5728\u52a8\u6001\u5185\u5b58\u4e2d\u7684\u4e00\u4e2a\u54c8\u5e0c\u7d22\u5f15\u3002\u53e6\u4e00\u4e2a\u8981\u70b9\u662f\u5982\u679cmysql\u6216\u670d\u52a1\u5668\u5d29\u6e83\uff0c\u6570\u636e\u5c06\u4e22\u5931\u3002\u3000<\/P>
\n

isam\u3000<\/P>
\n

isam\u8868\u662f\u65e9\u671fmysql\u7248\u672c\u7684\u7f3a\u7701\u8868\u7c7b\u578b\uff0c\u76f4\u5230myiasm\u5f00\u53d1\u51fa\u6765\u3002\u5efa\u8bae\u4e0d\u8981\u518d\u4f7f\u7528\u5b83\u3002\u3000<\/P>
\n

merge\u3000<\/P>
\n

merge\u662f\u4e00\u4e2a\u6709\u8da3\u7684\u65b0\u7c7b\u578b\uff0c\u57283.23.25\u4e4b\u540e\u51fa\u73b0\u3002\u4e00\u4e2amerge\u8868\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u76f8\u540cmyisam\u8868\u7684\u96c6\u5408\uff0c\u5408\u5e76\u6210\u4e00\u4e2a\u8868\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u6548\u7387\u539f\u56e0\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u901f\u5ea6\u3001\u641c\u7d22\u6548\u7387\u3001\u4fee\u590d\u6548\u7387\u5e76\u8282\u7701\u78c1\u76d8\u7a7a\u95f4\u3002\u3000<\/P>
\n

myiasm\u3000<\/P>
\n

\u8fd9\u662fmysql\u7684\u7f3a\u7701\u8868\u7c7b\u578b\u3002\u5b83\u57fa\u4e8eiasm\u4ee3\u7801\uff0c\u4f46\u6709\u5f88\u591a\u6709\u7528\u7684\u6269\u5c55\u3002myiasm\u6bd4\u8f83\u597d\u7684\u539f\u56e0\uff1a\u3000<\/P>
\n

myiasm\u8868\u5c0f\u4e8eiasm\u8868\uff0c\u6240\u4ee5\u4f7f\u7528\u8f83\u5c11\u8d44\u6e90\u3002\u3000<\/P>
\n

myiasm\u8868\u5728\u4e0d\u540c\u7684\u5e73\u53f0\u4e0a\u4e8c\u8fdb\u5236\u5c42\u53ef\u79fb\u690d\u3002\u3000<\/P>
\n

\u66f4\u5927\u7684\u952e\u7801\u5c3a\u5bf8\uff0c\u66f4\u5927\u7684\u952e\u7801\u4e0a\u9650\u3002\u3000<\/P>
\n

3.3\u3001\u6307\u5b9a\u8868\u7c7b\u578b<\/P>
\n

\u4f60\u53ef\u5728\u521b\u5efa\u8868\u65f6\u6307\u5b9a\u8868\u7684\u7c7b\u578b\u3002\u4e0b\u4f8b\u521b\u5efa\u4e00\u4e2aheap\u8868\uff1a\u3000<\/P>
\n

——————————————————————–<\/P>
\n

mysql>create\u3000table\u3000email_addresses\u3000type=heap\u3000(\u3000<\/P>
\n

->email\u3000char(55)\u3000not\u3000null,\u3000<\/P>
\n

->name\u3000char(30)\u3000not\u3000null,\u3000<\/P>
\n

->primary\u3000key(email)\u3000);\u3000<\/P>
\n

———————————————————————<\/P>
\n

bdb\u8868\u9700\u8981\u4e00\u4e9b\u914d\u7f6e\u5de5\u4f5c\uff0c\u53c2\u89c1http:\/\/www.mysql.com\/doc\/b\/d\/bdb_overview.HTML<\/A>\u3002\u3000<\/P>
\n

3.4\u3001\u66f4\u591a\u7684\u8868\u7c7b\u578b<\/P>
\n

\u4e3a\u4e86\u4f7fmysql\u7ba1\u7406\u5de5\u4f5c\u66f4\u6709\u8da3\uff0c\u5373\u5c06\u53d1\u5e03\u7684mysql\u30004.0\u5c06\u63d0\u4f9b\u4e24\u79cd\u65b0\u7684\u8868\u7c7b\u578b\uff0c\u79f0\u4e3ainnobase\u548cgemeni\u3002\u3000<\/P>
\n

\u56db\u3001\u4f18\u5316\u5de5\u5177<\/P>
\n

mysql\u670d\u52a1\u5668\u672c\u8eab\u63d0\u4f9b\u4e86\u51e0\u6761\u5185\u7f6e\u547d\u4ee4\u7528\u4e8e\u5e2e\u52a9\u4f18\u5316\u3002\u3000<\/P>
\n

4.1\u3001show\u3000<\/P>
\n

\u4f60\u53ef\u80fd\u6709\u5174\u8da3\u77e5\u9053mysql\u670d\u52a1\u5668\u7a76\u7adf\u66f4\u4e86\u4ec0\u4e48\uff0c\u4e0b\u5217\u547d\u4ee4\u7ed9\u51fa\u4e00\u4e2a\u603b\u7ed3\uff1a\u3000<\/P>
\n

———————————–<\/P>
\n

mysql>show\u3000status;\u3000<\/P>
\n

———————————–<\/P>
\n

\u5b83\u7ed9\u51fa\u4e86\u4e00\u4e2a\u76f8\u5f53\u957f\u7684\u72b6\u6001\u53d8\u91cf\u53ca\u5176\u503c\u7684\u5217\u8868\u3002\u6709\u4e9b\u53d8\u91cf\u5305\u542b\u4e86\u5f02\u5e38\u7ec8\u6b62\u5ba2\u6237\u7684\u6570\u91cf\u3001\u5f02\u5e38\u7ec8\u6b62\u8fde\u63a5\u7684\u6570\u91cf\u3001\u8fde\u63a5\u5c1d\u8bd5\u7684\u6b21\u6570\u3001\u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570\u548c\u5927\u91cf\u5176\u4ed6\u6709\u7528\u7684\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u627e\u51fa\u7cfb\u7edf\u95ee\u9898\u548c\u4f4e\u6548\u6781\u5177\u4ef7\u503c\u3002\u3000<\/P>
\n

show\u8fd8\u80fd\u505a\u66f4\u591a\u7684\u4e8b\u60c5\u3002\u5b83\u53ef\u4ee5\u663e\u793a\u5173\u4e8e\u65e5\u5fd7\u6587\u4ef6\u3001\u7279\u5b9a\u6570\u636e\u5e93\u3001\u8868\u3001\u7d22\u5f15\u3001\u8fdb\u7a0b\u548c\u6743\u9650\u8868\u4e2d\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002\u8be6\u89c1mysql\u624b\u518c\u3002\u3000<\/P>
\n

4.2\u3001explain\u3000<\/P>
\n

\u5f53\u4f60\u9762\u5bf9select\u8bed\u53e5\u65f6\uff0cexplain\u89e3\u91caselect\u547d\u4ee4\u5982\u4f55\u88ab\u5904\u7406\u3002\u8fd9\u4e0d\u4ec5\u5bf9\u51b3\u5b9a\u662f\u5426\u5e94\u8be5\u589e\u52a0\u4e00\u4e2a\u7d22\u5f15\uff0c\u800c\u4e14\u5bf9\u51b3\u5b9a\u4e00\u4e2a\u590d\u6742\u7684join\u5982\u4f55\u88abmysql\u5904\u7406\u90fd\u662f\u6709\u5e2e\u52a9\u7684\u3002\u3000<\/P>
\n

4.3\u3001optimize\u3000<\/P>
\n

optimize\u8bed\u53e5\u5141\u8bb8\u4f60\u6062\u590d\u7a7a\u95f4\u548c\u5408\u5e76\u6570\u636e\u6587\u4ef6\u788e\u7247\uff0c\u5bf9\u5305\u542b\u53d8\u957f\u884c\u7684\u8868\u8fdb\u884c\u4e86\u5927\u91cf\u66f4\u65b0\u548c\u5220\u9664\u540e\uff0c\u8fd9\u6837\u505a\u7279\u522b\u91cd\u8981\u3002optimize\u76ee\u524d\u53ea\u5de5\u4f5c\u4e8emyiasm\u548cbdb\u8868\u3002<\/P>
\n

<\/DIV><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u5728\u7f16\u8bd1\u65f6\u4f18\u5316mysql \u5982\u679c\u4f60\u4ece\u6e90\u4ee3\u7801\u5206\u53d1\u5b89\u88c5mysql\uff0c\u8981\u6ce8\u610f\uff0c\u7f16\u8bd1\u8fc7\u7a0b\u5bf9\u4ee5\u540e\u7684\u76ee\u6807\u7a0b\u5e8f\u6027\u80fd\u6709\u91cd\u8981\u7684\u5f71\u54cd\uff0c\u4e0d\u540c\u7684\u7f16\u8bd1\u65b9\u5f0f\u53ef\u80fd\u5f97\u5230\u7c7b\u4f3c\u7684\u76ee\u6807\u6587\u4ef6\uff0c\u4f46\u6027\u80fd\u53ef\u80fd\u76f8\u5dee\u5f88\u5927\uff0c\u56e0\u6b64\uff0c\u5728\u7f16\u8bd1\u5b89\u88c5mysql\u9002\u5e94\u4ed4\u7ec6\u6839\u636e\u4f60\u7684\u5e94\u7528\u7c7b\u578b\u9009\u62e9\u6700\u53ef\u80fd\u597d\u7684\u7f16\u8bd1\u9009\u9879\u3002\u8fd9\u79cd\u5b9a\u5236\u7684mysql\u53ef\u4ee5\u4e3a\u4f60\u7684\u5e94\u7528\u63d0\u4f9b\u6700\u4f73\u6027\u80fd\u3002\u3000 \u6280\u5de7\uff1a\u9009\u7528\u8f83\u597d\u7684\u7f16\u8bd1\u5668\u548c\u8f83\u597d\u7684\u7f16\u8bd1\u5668\u9009\u9879\uff0c\u8fd9\u6837\u5e94\u7528\u53ef\u63d0\u9ad8\u6027\u80fd10-30%\u3002\uff08mysql\u6587\u6863\u5982\u662f\u8bf4\uff09\u3000 1.1\u3001\u4f7f\u7528pgcc\uff08pentium\u3000gcc)\u7f16\u8bd1\u5668 \u8be5\u7f16\u8bd1\u5668\uff08http:\/\/www.goof.com\/pcg\/\uff09\u9488\u5bf9\u8fd0\u884c\u5728\u5954\u817e\u5904\u7406\u5668\u7cfb\u7edf\u4e0a\u7684\u7a0b\u5e8f\u8fdb\u884c\u4f18\u5316\uff0c\u7528pgcc\u7f16\u8bd1mysql\u6e90\u4ee3\u7801\uff0c\u603b\u4f53\u6027\u80fd\u53ef\u63d0\u9ad810%\u3002\u5f53\u7136\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u4e0d\u662f\u7528\u5954\u817e\u5904\u7406\u5668\uff0c\u5c31\u4e0d\u5fc5\u7528\u5b83\u4e86\uff0c\u56e0\u4e3a\u5b83\u662f\u4e13\u4e3a\u5954\u817e\u7cfb\u7edf\u8bbe\u8ba1\u7684\u3002\u3000 1.2\u3001\u4ec5\u4f7f\u7528\u4f60\u60f3\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u7f16\u8bd1mysql mysql\u76ee\u524d\u63d0\u4f9b\u591a\u8fbe24\u79cd\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\uff0c\u4e3a\u5168\u7403\u7528\u6237\u4ee5\u4ed6\u4eec\u81ea\u5df1\u7684\u8bed\u8a00\u63d2\u5165\u6216\u67e5\u770b\u8868\u4e2d\u7684\u6570\u636e\u3002\u5374\u7701\u60c5\u51b5\u4e0b\uff0cmysql\u5b89\u88c5\u6240\u6709\u8005\u8fd9\u4e9b\u5b57\u7b26\u96c6\uff0c\u70ed\u7136\u800c\uff0c\u6700\u597d\u7684\u9009\u62e9\u662f\u6307\u9009\u62e9\u4e00\u79cd\u4f60\u9700\u8981\u7684\u3002\u5982\uff0c\u7981\u6b62\u9664latin1\u5b57\u7b26\u96c6\u4ee5\u5916\u7684\u6240\u6709\u5176\u5b83\u5b57\u7b26\u96c6\uff1a\u3000 ——————————————————————————\u3000 %>.\/configure\u3000-with-extra-charsets=none\u3000[–other-configuration-options]\u3000 ——————————————————————————\u3000 1.3\u3001\u5c06mysqld\u7f16\u8bd1\u6210\u9759\u6001\u6267\u884c\u6587\u4ef6 \u5c06mysqld\u7f16\u8bd1\u6210\u9759\u6001\u6267\u884c\u6587\u4ef6\u800c\u65e0\u9700\u5171\u4eab\u5e93\u4e5f\u80fd\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002\u901a\u8fc7\u5728\u914d\u7f6e\u65f6\u6307\u5b9a\u4e0b\u5217\u9009\u9879\uff0c\u53ef\u9759\u6001\u7f16\u8bd1mysqld\u3002\u3000 ——————————————————————————\u3000 %>.\/configure\u3000-with-mysqld-ldflags=-all-static\u3000[–other-configuration-options]\u3000 ——————————————————————————\u3000 1.4\u3001\u914d\u7f6e\u6837\u672c \u4e0b\u5217\u914d\u7f6e\u547d\u4ee4\u5e38\u7528\u4e8e\u63d0\u9ad8\u6027\u80fd\uff1a\u3000 ——————————————————————————\u3000 %>cflags=”-o6 \u3000-mpentiumpro\u3000-fomit-frame-pointer”\u3000cxx=gcc\u3000cxxflags=”-o6\u3000-mpentiumpro\u3000 -fomit-frame-pointer\u3000-felide-constructors\u3000-fno-exceptions\u3000-fno-rtti”\u3000 .\/configure\u3000–prefix=\/usr\/local\u3000–enable-assembler\u3000 –with-mysqld-ldflags=-all-static\u3000–disable-shared\u3000 ——————————————————————————\u3000 \u4e8c\u3001\u8c03\u6574\u670d\u52a1\u5668 \u786e\u4fdd\u8fd0\u7528\u6b63\u786e\u7684\u7f16\u8bd1\u56fa\u7136\u91cd\u8981\uff0c\u4f46\u8fd9\u53ea\u662f\u6210\u529f\u7684\u7b2c\u4e00\u6b65\uff0c\u914d\u7f6e\u4f17\u591a\u7684mysql\u53d8\u91cf\u540c\u6837\u5bf9\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u8d77\u5173\u952e\u4f5c\u7528\u3002\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u53d8\u91cf\u7684\u8d4b\u503c\u5b58\u5728\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u5728\u6bcf\u6b21\u542f\u52a8mysql\u65f6\u5747\u8d77\u4f5c\u7528\uff0c\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u5c31\u662fmy.cnf\u6587\u4ef6\u3002 mysql\u5df2\u7ecf\u63d0\u4f9b\u4e86\u51e0\u4e2amy.cnf\u6587\u4ef6\u7684\u6837\u672c\uff0c\u53ef\u5728\/usr\/local\/mysqld\/share\/mysql\/\u76ee\u5f55\u4e0b\u627e\u5230\u3002\u8fd9\u4e9b\u6587\u4ef6\u5206\u522b\u547d\u540d\u4e3amy-small.cnf\u3001\u3000my-medium.cnf\u3001my-large.cnf\u548cmy-huge.cnf\uff0c\u89c4\u6a21\u8bf4\u660e\u53ef\u5728\u63cf\u8ff0\u914d\u7f6e\u6587\u4ef6\u9002\u7528\u7684\u7cfb\u7edf\u7c7b\u578b\u6807\u9898\u4e2d\u627e\u5230\u3002\u5982\u679c\u5728\u53ea\u6709\u76f8\u5f53\u5c11\u5185\u5b58\u7684\u7cfb\u7edf\u4e0a\u8fd0\u884cmysql\uff0c\u800c\u4e14\u53ea\u662f\u5076\u5c14\u7684\u7528\u4e00\u4e0b\uff0c\u90a3\u4e48my-small.cnf\u4f1a\u6bd4\u8f83\u7406\u60f3\uff0c\u56e0\u4e3a\u5b83\u547d\u4ee4mysqld \u53ea\u4f7f\u7528\u6700\u5c11\u7684\u8d44\u6e90\u3002\u7c7b\u4f3c\u5730\uff0c\u5982\u679c\u4f60\u8ba1\u5212\u6784\u5efa\u7535\u5b50\u5546\u52a1\u8d85\u5e02\uff0c\u800c\u4e14\u7cfb\u7edf\u62e5\u67092g\u5185\u5b58\uff0c\u90a3\u4e48\u4f60\u53ef\u80fd\u8981\u7528\u5230mysql-huge.cnf\u6587\u4ef6\u4e86\u3002\u4e3a\u4e86\u5229\u7528\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u7684\u4e00\u4e2a\uff0c\u4f60\u9700\u8981\u590d\u5236\u4e00\u4e2a\u6700\u9002\u5408\u9700\u6c42\u7684\u6587\u4ef6\uff0c\u6539\u540d\u4e3amy.cnf\u3002\u4f60\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u4e09\u79cd\u4f5c\u7528\u8303\u56f4\u7684\u4e00\u79cd\uff1a global\uff1a\u5c06my.cnf\u6587\u4ef6\u590d\u5236\u5230\u670d\u52a1\u5668\u7684\/etc\u76ee\u5f55\u4e0b\uff0c\u8fd9\u4f7f\u5f97\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u53d8\u91cf\u4f5c\u7528\u4e8e\u5168\u5c40\uff0c\u5373\u5bf9\u6240\u6709\u670d\u52a1\u5668\u4e0a\u7684mysql\u6570\u636e\u5e93\u670d\u52a1\u5668\u6709\u6548\u3002 local\uff1a\u5c06my.cnf\u6587\u4ef6\u590d\u5236\u5230[mysql-install-dir]\/var\/\u76ee\u5f55\u4e0b\uff0c\u4f7f\u5f97my.cnf\u4f5c\u7528\u4e8e\u7279\u5b9a\u7684\u670d\u52a1\u5668\u3002[mysql-install-dir]\u8868\u793amysql\u5b89\u88c5\u76ee\u5f55\u3002 user\uff1a\u4f60\u53ef\u4ee5\u518d\u9650\u5236\u4f5c\u7528\u4e8e\u7279\u5b9a\u7684\u7528\u6237\uff0c\u5c06my.cnf\u590d\u5236\u5230\u7528\u6237\u7684\u6839\u76ee\u5f55\u4e0b\u3002 \u7a76\u7adf\u5982\u4f55\u8bbe\u7f6emy.cnf\u4e2d\u7684\u8fd9\u4e9b\u53d8\u91cf\u5462\uff1f\u66f4\u8fdb\u4e00\u6b65\u8bf4\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u54ea\u4e00\u4e2a\u53d8\u91cf\u3002\u867d\u7136\u6240\u7528\u53d8\u91cf\u5bf9mysql\u670d\u52a1\u5668\u76f8\u5bf9\u901a\u7528\uff0c\u6bcf\u4e00\u4e2a\u53d8\u91cf\u4e0emysql\u7684\u7684\u67d0\u4e9b\u7ec4\u4ef6\u6709\u66f4\u7279\u5b9a\u7684\u5173\u7cfb\u3002\u5982\u53d8\u91cfmax_connects\u5f52\u5728mysqld\u7c7b\u522b\u4e0b\u3002\u6267\u884c\u4e0b\u5217\u547d\u4ee4\u5373\u53ef\u77e5\u9053\uff1a\u3000 —————————————————————— %>\/usr\/local\/mysql\/libexec\/mysqld\u3000–help\u3000 ——————————————————————\u3000 \u5b83\u663e\u793a\u5927\u91cf\u7684\u9009\u9879\u53ca\u4e0emysqld\u76f8\u5173\u7684\u53d8\u91cf\u3002\u4f60\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5728\u8be5\u884c\u6587\u5b57\u4e4b\u4e0b\u627e\u51fa\u53d8\u91cf\uff1a\u3000 ——————————————————————-\u3000 possible\u3000variables\u3000for\u3000option\u3000–set-variable\u3000(-o)\u3000are\u3000 ——————————————————————-\u3000 \u7136\u540e\u4f60\u53ef\u4ee5\u5982\u4e0b\u8bbe\u7f6emy.cnf\u4e2d\u7684\u90a3\u4e9b\u53d8\u91cf\uff1a\u3000 ——————————————————————-\u3000 set-variable\u3000=\u3000max_connections=100\u3000 ——————————————————————-\u3000 \u5b83\u8bbe\u7f6emysql\u670d\u52a1\u5668\u7684\u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570\u4e3a100\u3002\u8981\u786e\u4fdd\u5728my.cnf\u6587\u4ef6\u4e2d\u7684[mysqld]\u6807\u9898\u4e0b\u63d2\u5165\u53d8\u91cf\u8bbe\u7f6e\u3002\u3000 \u4e09\u3001\u8868\u7c7b\u578b \u5f88\u591amysql\u7528\u6237\u53ef\u80fd\u5f88\u60ca\u8bb6\uff0cmysql\u786e\u5b9e\u4e3a\u7528\u6237\u63d0\u4f9b5\u79cd\u4e0d\u540c\u7684\u8868\u7c7b\u578b\uff0c\u79f0\u4e3adbd\u3001heap\u3001isam\u3001merge\u548cmyiasm\u3002dbd\u5f52\u4e3a\u4e8b\u52a1\u5b89\u5168\u7c7b\uff0c\u800c\u5176\u4ed6\u4e3a\u975e\u4e8b\u52a1\u5b89\u5168\u7c7b\u3002\u3000 3.1\u3001\u4e8b\u52a1\u5b89\u5168\u3000 dbd\u3000 berkeley \u3000db(dbd)\u8868\u662f\u652f\u6301\u4e8b\u52a1\u5904\u7406\u7684\u8868\uff0c\u7531sleepycat\u8f6f\u4ef6\u516c\u53f8(http:\/\/www.sleepycat.com)\u5f00\u53d1\u3002\u5b83\u63d0\u4f9bmysql\u7528\u6237\u671f\u5f85\u5df2\u4e45\u7684\u529f\u80fd-\u4e8b\u52a1\u63a7\u5236\u3002\u4e8b\u52a1\u63a7\u5236\u5728\u4efb\u4f55\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u90fd\u662f\u4e00\u4e2a\u6781\u6709\u4ef7\u503c\u7684\u529f\u80fd\uff0c\u56e0\u4e3a\u5b83\u4eec\u786e\u4fdd\u4e00\u7ec4\u547d\u4ee4\u80fd\u6210\u529f\u5730\u6267\u884c\u3002\u3000 3.2\u3001\u975e\u4e8b\u52a1\u5b89\u5168\u3000 heap\u3000 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