锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20122;&#27954;&#31934;&#21697;&#31119;&#21033;&#20320;&#25026;&#44;&#20122;&#27954;&#88;&#88;&#48;&#48;&#35270;&#39057;&#44;&#20122;&#27954;&#22269;&#20135;&#25104;&#20154;&#20116;&#26376;&#32508;&#21512;&#32593;</title><link>http://www.tkk7.com/iamtin/archive/2007/10/16/scaling_twitter_the_key_points.html</link><dc:creator>Tin</dc:creator><author>Tin</author><pubDate>Tue, 16 Oct 2007 00:42:00 GMT</pubDate><guid>http://www.tkk7.com/iamtin/archive/2007/10/16/scaling_twitter_the_key_points.html</guid><wfw:comment>http://www.tkk7.com/iamtin/comments/153144.html</wfw:comment><comments>http://www.tkk7.com/iamtin/archive/2007/10/16/scaling_twitter_the_key_points.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.tkk7.com/iamtin/comments/commentRss/153144.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/iamtin/services/trackbacks/153144.html</trackback:ping><description><![CDATA[<p>Twitter鐨勬按騫蟲墿灞曠殑涓�浜涘叧閿偣錛岃櫧鐒跺畠鏄釜RoR搴旂敤錛屼絾鏄繖浜涘緩璁粷瀵規(guī)槸鏀句箣鍥涙搗鑰岀殕鍑嗙殑錛岄潪甯稿ソ鐨勬�葷粨銆?br />
鍥犱負(fù)騫村垵Twitter鏇劇粡閬囧埌浜?jiǎn)鎬ц兘鐡墮錛岃�屼笖鍑犱箮鏉熸墜鏃犵瓥銆傚綋鍒濆緢澶氫漢寮�濮嬫��鐤慠uby鐨勬�ц兘闂錛岃�屽悗Twitter绔欒搗鏉ヤ簡(jiǎn) ^__^</p>
<p>鏈夋椂闂寸殑鏈嬪弸鐪嬬湅榪欎釜slide錛?a >http://www.slideshare.net/Blaine/scaling-twitter</a>錛屾病鏈夋椂闂寸殑鐪嬬湅鎴戠殑鎽樿銆?br />
<br />
寮�鍙戯細(xì)<br />
1銆佷竴瀹氳嫻嬭瘯錛佷竴瀹氳鏃╃偣嫻嬭瘯錛佷竴瀹氳鏃╃偣嫻嬭瘯錛佸惁鍒欎綘灝辨瀹氫簡(jiǎn)銆備笉瑕佸瓨浠諱綍渚ュ垢蹇?jī)鐞嗗Q屼粠欏圭洰鐨勫紑濮嬪氨鍐欏ソ嫻嬭瘯銆?br />
2銆佸浠諱綍閮ㄥ垎閮借嫻嬭瘯銆傝繕鏄祴璇曪紒<br />
3銆佹�ц兘嫻嬭瘯瑕佷氦緇欑敤鎴鋒潵鍋氥�傞偅鏍鋒墠鏈夋剰涔夈�傛墍浠ヨ鍋氬ソlog銆傜敤濂藉垎鏋愬伐鍏鳳細(xì)Munin錛堟湇鍔″櫒鍐呭瓨鍗犵敤鐩戞帶錛夈�丯agios錛堟湇鍔″櫒鏈嶅姟緗戠粶鐘舵�佺洃鎺э級(jí)銆丄WStats &amp; Google Analytics銆侀敊璇棩蹇椼�佸彂鐜頒簡(jiǎn)閿欒椹笂榪涘叆闂璺熻釜緋葷粺錛圱rac銆丣ira&#8230;&#8230;澶浜?jiǎn)锛屼絾鏄渶濂芥湁涓�涓級(jí)銆?/p>
<p><br />
鏋舵瀯錛?br />
1銆佷嬌鐢ㄥ彲浠ュ垎鍖虹殑鏋舵瀯銆傛寜鐓ф灦鏋勪笂鐨勫姛鑳芥竻鏅扮殑鍒嗗尯銆傝繖鎰忓懗鐫�浣犲彲浠ラ�氳繃鏇挎崲涓�涓疄鐜版潵鏀硅繘鎬ц兘錛屽洜涓烘�ц兘鍜屽鏉傚害寰�寰�鏄笉鍙吋寰楃殑銆?/p>
<p>瀵逛簬鏁版嵁搴擄細(xì)<br />
1銆佸敖閲忎笉瑕佸垎甯冨紡鏁版嵁搴擄紝鍖呮嫭鏁版嵁搴撳垎鍖恒�傛渶濂介�氳繃鎻愰珮鍗曞彴鏈嶅姟鍣ㄧ殑鎬ц兘鎻愬崌榪欎釜鑺傜偣鐨勬�ц兘銆傛洿閲嶈鐨勬槸鏌ヨ浼樺寲銆傞�氳繃澶囦喚鏈嶅姟鍣ㄨВ鍐沖崟鐐規(guī)晠闅溿�?br />
2銆佸where瀛愬彞涓殑瀛楁澧炲姞index銆傦紙榪欎釜褰撶劧浜?jiǎn)锛?jí)<br />
3銆佹墎騫沖寲鏌ヨ錛屾瘮濡備竴涓猽ser鏈夊緢澶氭湅鍙嬶紝鏌ヤ竴涓漢鐨勬湅鍙嬪鏋滈�氳繃澶栭敭浼?xì)娴垂寰堝鎬ц兘銆傚彲浠ユ妸ids搴忓垪鍖栦負(fù)1,2,3榪欐牱錛岀劧鍚庣敤like鏌ヨ閫熷害鏇村揩銆?br />
4銆佷竴瀹氳浼樺寲浣犵殑SQL錛屼笉瑕佸瘎甯屾湜浜嶰RM緇欎綘瑙ｅ喅錛堜笉綆℃槸DataMapper銆丄ctiveRecord鎴栬�匲nitOfWork錛夈�?/p>
<p>Cache錛?br />
1銆佷竴瀹氳鑰冭檻Cache錛屾渶閲嶈鐨勬槸棰嗗煙瀵硅薄鐨凜ache錛屼竴瀹氳鑰冭檻Memcache錛屽Memcached銆?br />
2銆佸簲璇ユ湁90%鐨勬煡璇㈠彲浠ache銆?br />
3銆佷絾鏄娉ㄦ剰Cache瀹炴晥闂錛堣鍙?qiáng)鏃舵爣娉ㄥ疄鏁堝Q夛紝榪欎釜鏄釜闅劇偣涔熸槸涓噸鐐廣�?br />
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<p>Messaging錛?br />
1銆佹販鍚堝簲鐢ㄣ�備笉鐢ㄥ幓鐪婮ava鐨凮penFire浜?jiǎn)锛屽嵆鋴慑畠寰堝ソ锛屽畬鍏ㄥ彲浠ヨ�冭檻erlang鐨別jabberd浜?jiǎn)锛屼縿缃楁柉鐨勪骇鐗┿�?br />
2銆佹帓闃熼棶棰樻湁寰堝瑙ｅ喅鏂規(guī)錛欰ctiveMQ銆丷abbitMQ銆丮ySQL + Lightweight Locking銆丏rb錛坒or ruby錛?/p>
 <img src ="http://www.tkk7.com/iamtin/aggbug/153144.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/iamtin/" target="_blank">Tin</a> 2007-10-16 08:42 <a href="http://www.tkk7.com/iamtin/archive/2007/10/16/scaling_twitter_the_key_points.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                <footer>
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