\u4f5c\u8005\uff1aScanz<\/p>\n\n\n\n
\u66f4\u65b0\u7248\u672c:V1(20170114\u521d\u7248\uff0c\u5f85\u66f4\u65b0\u683c\u5f0f)<\/p>\n\n\n\n
----------------------------------------------<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u4f20\u7edfWeb\u67b6\u6784\u7684\u95ee\u9898<\/p>\n\n\n\n
\u8bb8\u591aWeb\u5e94\u7528\u90fd\u5c06\u6570\u636e\u4fdd\u5b58\u5230RDBMS\u4e2d\uff0c\u5e94\u7528\u670d\u52a1\u5668\u4ece\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u663e\u793a<\/p>\n\n\n\n
\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u5927\u3001\u8bbf\u95ee\u7684\u96c6\u4e2d\uff0c\u5c31\u4f1a\u51fa\u73b0RDBMS\u7684\u8d1f\u62c5\u52a0\u91cd\uff0c\u6570\u636e\u5e93\u54cd\u5e94\u6076\u5316\uff0c\u7f51\u7ad9\u663e\u793a\u5ef6\u8fdf<\/p>\n\n\n\n
\u7b49\u91cd\u5927\u5f71\u54cd<\/p>\n\n\n\n
\u6570\u636e\u5b58\u50a8\u4f4d\u7f6e\u5bf9\u6bd4<\/p>\n\n\n\n
\u6027\u80fd<\/p>\n\n\n\n
CPU\u7f13\u5b58>\u5185\u5b58>\u78c1\u76d8>\u6570\u636e\u5e93<\/p>\n\n\n\n
\u4ef7\u683c<\/p>\n\n\n\n
CPU\u7f13\u5b58>\u5185\u5b58>\u78c1\u76d8>\u6570\u636e\u5e93<\/p>\n\n\n\n
memcached\u6982\u8ff0<\/p>\n\n\n\n
memcached\u662f\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u7f13\u5b58\u670d\u52a1\u5668<\/p>\n\n\n\n
\u7528\u6765\u96c6\u4e2d\u7f13\u5b58\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u6b21\u6570\uff0c\u4ee5\u63d0\u9ad8\u52a8\u6001Web\u5e94\u7528\u7684\u54cd\u5e94\u901f\u5ea6<\/p>\n\n\n\n
\u9996\u6b21\u8bbf\u95ee\uff1a\u4eceRDBMS\u4e2d\u53d6\u5f97\u6570\u636e\u4fdd\u5b58\u5230memcached<\/p>\n\n\n\n
\u7b2c\u4e8c\u6b21\u540e\uff1a\u4ecememcached\u4e2d\u53d6\u5f97\u6570\u636e\u663e\u793a\u9875\u9762<\/p>\n\n\n\n
memcached \u652f\u6301\u8bb8\u591a\u5e73\u53f0<\/p>\n\n\n\n
Linux<\/p>\n\n\n\n
FreeBSD<\/p>\n\n\n\n
Solaris\uff08memcached 1.2.5\u4ee5\u4e0a\u7248\u672c\uff09<\/p>\n\n\n\n
Mac OS X<\/p>\n\n\n\n
Windows<\/p>\n\n\n\n
memcached \u7684\u7279\u5f81<\/p>\n\n\n\n
\u534f\u8bae\u7b80\u5355<\/p>\n\n\n\n
\u57fa\u4e8elibevent\u7684\u4e8b\u4ef6\u5904\u7406<\/p>\n\n\n\n
\u5185\u7f6e\u5185\u5b58\u5b58\u50a8\u65b9\u5f0f<\/p>\n\n\n\n
\u5185\u5b58\u7ba1\u7406\u673a\u5236<\/p>\n\n\n\n
\u4f20\u7edf\u5185\u5b58\u5206\u914d\u673a\u5236<\/p>\n\n\n\n
\u4f7f\u7528\u5b8c\u901a\u8fc7\u5206\u914d\u7684\u5185\u5b58\u540e\u56de\u6536\u5185\u5b58\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5bb9\u6613\u4ea7\u751f\u5185\u5b58\u788e\u7247\u5e76\u964d\u4f4e\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5185\u5b58\u7684\u7ba1\u7406\u6548\u7387<\/p>\n\n\n\n
Slab Allocation<\/p>\n\n\n\n
\u5b83\u6309\u7167\u9884\u5148\u89c4\u5b9a\u7684\u5927\u5c0f\uff0c\u5c06\u5206\u914d\u7684\u5185\u5b58\u5206\u5272\u6210\u7279\u5b9a\u957f\u5ea6\u7684\u5185\u5b58\u5757\uff08chunk\uff09\uff0c\u518d\u628a\u5c3a\u5b50\u76f8\u540c\u7684\u5185\u5b58\u5757\u5206\u6210\u7ec4\uff08chunk\u96c6\u5408\uff09\uff0c\u8fd9\u4e9b\u5185\u5b58\u5757\u4e0d\u4f1a\u91ca\u653e\uff0c\u53ef\u4ee5\u91cd\u590d\u5229\u7528<\/p>\n\n\n\n
Slab Allocation\u7684\u4e3b\u8981\u672f\u8bed<\/p>\n\n\n\n
\u5206\u914d\u7ed9Slab\u7684\u5185\u5b58\u7a7a\u95f4\u9ed8\u8ba4\u662f1MB\uff0c\u5206\u914d\u4e4b\u540e\u6839\u636eSlab\u5b9a\u4e49\u7684\u5927\u5c0f\u5207\u5206\u6210chunk<\/p>\n\n\n\n
Chunks\u662f\u7528\u4e8e\u7f13\u5b58\u8bb0\u5f55\u7684\u5185\u5b58\u7a7a\u95f4<\/p>\n\n\n\n
Slab Class\u662f\u7279\u5b9a\u5927\u5c0f\u7684chunk\u7ec4<\/p>\n\n\n\n
\u5c06 100\u5b57\u8282\u7684\u6570\u636e\u7f13\u5b58\u5230128\u5b57\u8282\u7684chunk\u4e2d\uff0c\u5269\u4f59\u768428\u5b57\u8282\u5c31\u6d6a\u8d39\u4e86\uff1b-f\u6307\u5b9a\u589e\u957f\u56e0\u5b50\u6765\u63a7\u5236chunk\u7684\u5927\u5c0f<\/p>\n\n\n\n
memcacged \u4f7f\u7528\u540d\u4e3aLeast Recently Used \uff08LRU\uff09\u673a\u5236\u6765\u5206\u914d\u7a7a\u95f4<\/p>\n\n\n\n
\u5220\u9664 \u201c\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u201d\u7684\u8bb0\u5f55\u7684\u673a\u5236<\/p>\n\n\n\n
\u5f53memcacged \u7684\u5185\u5b58\u7a7a\u95f4\u4e0d\u8db3\u65f6\uff0c\u4ece\u6700\u8fd1\u672a\u88ab\u4f7f\u7528\u7684\u8bb0\u5f55\u4e2d\u641c\u7d22\uff0c\u5e76\u5c06\u5176\u7a7a\u95f4\u5206\u914d\u7ed9\u65b0\u7684\u8bb0\u5f55<\/p>\n\n\n\n
-M\u53c2\u6570\u7981\u6b62LRU\u529f\u80fd\uff0c\u5185\u5b58\u7528\u5c3d\u65f6memcached\u4f1a\u8fd4\u56de\u9519\u8bef\uff0c\u4e0d\u5efa\u8bae\u4f7f\u7528memcached -M -m 1024<\/p>\n\n\n\n
\u5b89\u88c5\u4e8b\u4ef6\u5e93libevent<\/p>\n\n\n\n
tar -xf libevent-2.0.22-stable.tar.gz<\/p>\n\n\n\n
cd libevent-2.0.22-stable<\/p>\n\n\n\n
sh configure<\/p>\n\n\n\n
make && make install<\/p>\n\n\n\n
echo \"\/usr\/local\/lib\" > \/etc\/ld\/so.conf.d\/libevent.conf<\/p>\n\n\n\n
ldconfig<\/p>\n\n\n\n
ldconfig -v | grep --color libevent<\/p>\n\n\n\n
\u5b89\u88c5memcached<\/p>\n\n\n\n
tar -xf memcached-1.4.23.tar.tar<\/p>\n\n\n\n
cd memcached-1.4.23<\/p>\n\n\n\n
sh configure<\/p>\n\n\n\n
make && make install<\/p>\n\n\n\n
\/usr\/local\/bin\/memcacged -h<\/p>\n\n\n\n
\u542f\u52a8memcached<\/p>\n\n\n\n
bin\/memcached -p 11211 -l IP -u root -m 100 -c 200 -vvv -n 10 -f 2 -d<\/p>\n\n\n\n
\u9009\u9879<\/p>\n\n\n\n
-p \u6307\u5b9amemcached\u76d1\u542c\u7684\u7aef\u53e3\u53f7\uff0c\u9ed8\u8ba411211<\/p>\n\n\n\n
-l memcached\u670d\u52a1\u5668\u7684ip\u5730\u5740<\/p>\n\n\n\n
-u memcached\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4f7f\u7528\u7684\u7528\u6237\u8eab\u4efd\u5fc5\u987b\u662froot\u7528\u6237<\/p>\n\n\n\n
-m \u6307\u5b9a\u4f7f\u7528\u672c\u673a\u7684\u591a\u5c11\u7269\u7406\u5185\u5b58\u6570\u636e\uff0c\u9ed8\u8ba464M<\/p>\n\n\n\n
-c memcached\u670d\u52a1\u7684\u6700\u5927\u8fde\u63a5\u6570<\/p>\n\n\n\n
-vvv \u663e\u793a\u8be6\u7ec6\u4fe1\u606f<\/p>\n\n\n\n
-n chunk szie \u7684\u6700\u5c0f\u7a7a\u95f4\u662f\u591a\u5c11\uff0c\u5355\u4f4d\u4e3a\u5b57\u8282<\/p>\n\n\n\n
-f chunk szie \u5927\u5c0f\u589e\u957f\u7684\u500d\u589e\uff0c\u9ed8\u8ba41.25\u500d<\/p>\n\n\n\n
-d \u5728\u540e\u53f0\u542f\u52a8<\/p>\n\n\n\n
\u6d4b\u8bd5memcacged<\/p>\n\n\n\n
telnet localhsot 11211<\/p>\n\n\n\n
stats<\/p>\n\n\n\n
memcached\u5e38\u7528\u6307\u4ee4<\/p>\n\n\n\n
add name 0 180 10 \/\/\u53d8\u91cf\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0<\/p>\n\n\n\n
set name 0 180 10 \/\/\u6dfb\u52a0\u6216\u66ff\u6362\u53d8\u91cf<\/p>\n\n\n\n
replace name 0 180 10 \/\/\u66ff\u6362<\/p>\n\n\n\n
get name \/\/\u8bfb\u53d6\u53d8\u91cf<\/p>\n\n\n\n
append name 0 180 10 \/\/\u5411\u53d8\u91cf\u4e2d\u8ffd\u52a0\u6570\u636e<\/p>\n\n\n\n
delete name \/\/\u5220\u9664\u53d8\u91cf<\/p>\n\n\n\n
stats \/\/\u67e5\u770b\u72b6\u6001<\/p>\n\n\n\n
flush_all \/\/\u6e05\u7a7a\u6240\u6709<\/p>\n\n\n\n
\u6784\u5efamemcached\u670d\u52a1<\/p>\n\n\n\n
\u4efb\u52a1\u8981\u6c42\uff1a<\/p>\n\n\n\n
\u4f7f\u7528\u6e90\u7801\u5b89\u88c5memcached\u8f6f\u4ef6<\/p>\n\n\n\n
\u4f7f\u7528telnet\u6d4b\u8bd5memcached<\/p>\n\n\n\n
\u5bf9memceched\u8fdb\u884c\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\u7b49\u64cd\u4f5c<\/p>\n\n\n\n
PHP+memcached\u4ecb\u7ecd<\/p>\n\n\n\n
\u90e8\u7f72LNMP<\/p>\n\n\n\n
\u4f7f\u7528php\u9875\u9762\uff0c\u6d4b\u8bd5\u5bf9memcached\u7684\u8bfb\u5199\u64cd\u4f5c<\/p>\n\n\n\n
\u5177\u4f53\u64cd\u4f5c\u53c2\u8003\u7b2c\u4e09\u7ae0\u8282Nginx+FastCGI<\/p>\n\n\n\n
PHP\u65e0\u6cd5\u76f4\u63a5\u64cd\u4f5cmemcached<\/p>\n\n\n\n
\u9700\u8981\u5b89\u88c5memcached\u6269\u5c55<\/p>\n\n\n\n
\u5b89\u88c5PHP\u7684memcache\u6269\u5c55<\/p>\n\n\n\n
tar -xf memcache-2.2.5.tgz -C .\/<\/p>\n\n\n\n
cd memcache-2.2.5<\/p>\n\n\n\n
\/usr\/local\/php5\/bin\/phpize<\/p>\n\n\n\n
.....<\/p>\n\n\n\n
.....<\/p>\n\n\n\n
.\/configure --with-php-config=\/usr\/local\/php5\/bin\/php-config \\<\/p>\n\n\n\n
--enable-memcache<\/p>\n\n\n\n
make && make install<\/p>\n\n\n\n
\/usr\/local\/php5\/lib\/php\/extensions\/no-debug-non-zts-20100525 \/\/\u63d0\u793a\u6a21\u5757\u5b58\u653e\u76ee\u5f55memcache.so<\/p>\n\n\n\n
vim \/usr\/local\/php5\/etc\/php.ini<\/p>\n\n\n\n
extension_dir=\"\/usr\/local\/php5\/lib\/php\/extensions\/no-debug-non-zts-20100525\/\" \/\/\u52a0\u8f7d\u6a21\u5757<\/p>\n\n\n\n
extension=memcache.so \/\/\u52a0\u8f7d\u6a21\u5757<\/p>\n\n\n\n
\/etc\/init.d\/php-fpm reload<\/p>\n\n\n\n
\u7f16\u5199PHP\u9875\u9762<\/p>\n\n\n\n
cat \/usr\/local\/nginx\/html\/test.php<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
$memcache=new Memcache;<\/p>\n\n\n\n
$memcache->connect('localhost',11211)or die ('could not connect!!')<\/p>\n\n\n\n
$memcache->set('key','test');<\/p>\n\n\n\n
$get_values=$memcache->get('key');<\/p>\n\n\n\n
echo $get_values;<\/p>\n\n\n\n
?><\/p>\n\n\n\n
LNMP+memcached<\/p>\n\n\n\n
1.\u4f7f\u7528\u6e90\u7801\u5b89\u88c5\u90e8\u7f72LNMP\u73af\u5883<\/p>\n\n\n\n
2.LNMP\u901a\u8fc7FastCGI\u652f\u6301PHP\u52a8\u6001\u7f51\u7ad9<\/p>\n\n\n\n
3.\u4e3aPHP\u5b89\u88c5memcache\u6269\u5c55<\/p>\n\n\n\n
4.\u901a\u8fc7PHP\u9875\u9762\u5b9e\u73b0\u5bf9memcached\u7684\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\u7b49\u64cd\u4f5c<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f5c\u8005\uff1aScanz \u66f4\u65b0\u7248\u672c:V1(20170114\u521d\u7248\uff0c\u5f85\u66f4\u65b0\u683c\u5f0f) —————————— …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1308"}],"collection":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1308"}],"version-history":[{"count":1,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1308\/revisions"}],"predecessor-version":[{"id":1309,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/posts\/1308\/revisions\/1309"}],"wp:attachment":[{"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.izhuhn.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}