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;&#35270;&#39057;&#23567;&#35828;&#22270;&#29255;&#44;&#20122;&#27954;&#40644;&#33394;&#22312;&#32447;&#35266;&#30475;&#32593;&#31449;&#44;&#20122;&#27954;&#31934;&#21697;&#22269;&#20135;&#31532;&#49;&#39029;</title><link>http://m.tkk7.com/dongbule/category/46031.html</link><description>鏋勫緩楂樻�ц兘闂ㄦ埛緗?/description><language>zh-cn</language><lastBuildDate>Wed, 08 Dec 2010 18:23:57 GMT</lastBuildDate><pubDate>Wed, 08 Dec 2010 18:23:57 GMT</pubDate><ttl>60</ttl><item><title>memcached涓�浜涘簲鐢ㄧ偣婊?/title><link>http://m.tkk7.com/dongbule/archive/2010/12/08/340066.html</link><dc:creator>闄堜簬鍠?/dc:creator><author>闄堜簬鍠?/author><pubDate>Wed, 08 Dec 2010 07:00:00 GMT</pubDate><guid>http://m.tkk7.com/dongbule/archive/2010/12/08/340066.html</guid><wfw:comment>http://m.tkk7.com/dongbule/comments/340066.html</wfw:comment><comments>http://m.tkk7.com/dongbule/archive/2010/12/08/340066.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://m.tkk7.com/dongbule/comments/commentRss/340066.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/dongbule/services/trackbacks/340066.html</trackback:ping><description><![CDATA[澶у悕榧庨紟鐨勫垎甯冨紡緙撳瓨緋葷粺memcached錛屽湪寮�婧愮ぞ鍖轟腑鍙皳鏄棤浜轟笉鐭ユ棤浜轟笉鏅擄紝memcached鏀寔鍒嗗竷寮忕殑妯悜鎵╁睍錛屼絾memcached鐨勬湇鍔＄鍗存槸鍗曞疄渚嬶紝騫舵棤"鍒嗗竷寮?鐨勫姛鑳斤紝鎵�璋撶殑鍒嗗竷寮忓彧鏄鎴風(fēng)鍦ㄥ瓨鍌ㄧ殑涓婚敭鍋氬垎甯冪殑瀛樺偍錛涜繕鏈塵emcached緇勪歡緙撳瓨瀵硅薄錛屽鏋滅粍浠舵棤榪涜搴忓垪鍖栧繀瀹氭棤娉曟紜彇寰楁暟鎹紱濡備綍浣跨敤memcached鐨刯ava緇勪歡鏉ョ洃鎺emcached鐨勮繍琛岀姸鎬侊紱浠ヤ笂絳夌瓑鐨勯棶棰樻槸鎴戝湪鏃ュ父鐨勫伐浣滀腑紕板埌騫惰В鍐崇殑,鎷垮嚭鏉ヨ窡澶у鍋氫釜鍒嗕韓^_^<br />
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<strong>瀵硅薄鐨勫簭鍒楀寲</strong><br />
棣栧厛memcached鏄嫭绔嬬殑鏈嶅姟鍣ㄧ粍浠?鐙珛浜庡簲鐢ㄧ郴緇?浠庡鎴風(fēng)淇濆瓨鍜岃鍙栧璞″埌memcached鏄繀欏婚�氳繃緗戠粶浼犺緭,鍥犱負(fù)緗戠粶浼犺緭閮芥槸浜岃繘鍒剁殑鏁版嵁,鎵�浠ユ墍鏈夌殑瀵硅薄閮藉繀欏葷粡榪囧簭鍒楀寲,鍚﹀垯鏃犳硶瀛樺偍鍒癿emcahced鐨勬湇鍔″櫒绔?<br />
姝ｅ鎴戜滑浠ュ線(xiàn)鍦ㄩ泦緹や腑搴旂敤鐨勫簭鍒楀寲涓�鏍?memcached鐨勫簭鍒楀寲鐨勬�ц兘涔熸槸寰�(xiàn)寰�(xiàn)璁╁ぇ瀹跺ご鐤?濡傛灉鎴戜滑瀵規(guī)垜浠殑domain綾昏繘琛屽璞＄殑搴忓垪鍖?絎竴嬈″簭鍒楀寲鏃墮棿浼?xì)姣旇緝闀?浣嗗悗緇細(xì)浼樺寲,涔熷氨鏄搴忓垪鍖栨渶澶х殑娑堣�椾笉鏄璞＄殑搴忓垪鍖?鑰屾槸綾葷殑搴忓垪鍖?濡傛灉瀛樺偍鐨勫彧鏄竴涓猄tring瀵硅薄,榪欑鎯呭喌鏄渶鐞嗘兂鐨?鐪佸幓浜?jiǎn)搴忓垪鍖栫殑鎿嶄?瀹為檯涓奡tring瀵硅薄鏈韓宸茬粡瀹炵幇浜?jiǎn)搴忓垪鍖栨帴鍙?鏃犳硶鎴戜滑鍐嶆鍘昏繘琛屽簭鍒楀寲鎿嶄綔.<br />
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<strong>memcached鐨勫師瀛愬姞娉?/strong><br />
璁板綍涓�涓嬩笂嬈＄姱寰椾竴涓敊璇?br />
<div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%;"><!--<br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
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--><span style="color: #000000;">&lt;%</span><span style="color: #000000;"><br />
</span><span style="color: #0000ff;">static</span><span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">int</span><span style="color: #000000;">&nbsp;count&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #000000;">0</span><span style="color: #000000;">;<br />
count</span><span style="color: #000000;">++</span><span style="color: #000000;">;<br />
MemCachedClient&nbsp;mcc&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">new</span><span style="color: #000000;">&nbsp;MemCachedClient();<br />
mcc.add(</span><span style="color: #000000;">"</span><span style="color: #000000;">test.html</span><span style="color: #000000;">"</span><span style="color: #000000;">,&nbsp;count);<br />
</span><span style="color: #000000;">%&gt;</span></div>
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榪欐浠ｇ爜鐨勪綔鐢ㄦ槸灝唗est.html鐨勭敤鎴瘋闂鏁頒繚瀛樺埌memcached涓?綺楀姡涓�鐪嬪ソ鍍忓茍鏃犻敊璇?浣嗗湪楂樺茍鍙戞椂鐨勫嚭鏉ョ殑璁塊棶鏁版嵁涓�瀹氭槸灝忎簬瀹為檯鐨勮闂暟閲?褰撶劧榪欓噷騫朵笉鏄痬emcached瀵硅薄閿佺殑闂,涓昏榪樻槸紼嬪簭涓嚎紼嬬殑鍚屾闂,浣嗘槸濡傛灉浣跨敤java鐨剆ynchronized鎴杔ock閭ｄ箞鍦ㄦ�ц兘涓婅偗瀹氭槸鏃犳硶蹇嶅彈鐨?memcached瀹㈡埛绔粍浠跺甫鏈夊師瀛愭�х殑鍔犳硶鍜屽噺娉?br />
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<div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%;"><!--<br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
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--><span style="color: #000000;">&lt;%</span><span style="color: #000000;"><br />
MemCachedClient&nbsp;mcc&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">new</span><span style="color: #000000;">&nbsp;MemCachedClient();<br />
System.out.println(mcc.addOrIncr(</span><span style="color: #000000;">"</span><span style="color: #000000;">test.html</span><span style="color: #000000;">"</span><span style="color: #000000;">,</span><span style="color: #000000;">1</span><span style="color: #000000;">));<br />
</span><span style="color: #000000;">%&gt;</span></div>
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long addORIncr(String key,long inc)涓鴻鏁板櫒鍊煎鍔爄nc,濡傛灉璁℃暟鍣ㄤ笉瀛樺湪,鍒欎繚瀛榠nc涓鴻鏁板櫒鐨勫�?蹇呴』娉ㄦ剰鐨勬槸鏈嶅姟鍣ㄧ涓嶄細(xì)瀵硅秴榪?鐨?2嬈℃柟鐨勮涓鴻繘琛屾鏌?br />
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<strong>鍒嗗竷寮忕殑mencached</strong><br />
memcached铏界劧鏄睘浜庡垎甯冨紡鐨勭紦瀛樻湇鍔″櫒,浣嗗疄闄呬笂memcached鏈嶅姟绔箣闂村茍鏃犲垎甯冨紡鐨勫姛鑳?涓嶄細(xì)浜掔浉閫氫俊鍏變韓鏁版嵁,濡備綍榪涜鍒嗗竷寮?榪欏畬鍏ㄦ槸鍙栧喅浜庡鎴風(fēng)鐨勫疄鐜?br />
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<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/memcached/2.png" width="456" height="390" /><br />
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鍋囪鎴戜滑鐜板湪鏈変笁鍙癿emcached鏈嶅姟鍣ㄥ垎鍒負(fù)node1錛宯ode2錛宯ode3錛屽簲鐢ㄧ▼搴忚淇濆瓨閿悕鍒嗗埆涓?test1","test2","test3",瀹㈡埛绔疄鐜扮殑綆楁硶灝辨槸鏍規(guī)嵁閿悕鏉ュ喅瀹氫繚瀛樻暟鎹殑memcached鏈嶅姟鍣?鎴戜滑灝?test1"淇濆瓨鍒皀ode1錛?test2"淇濆瓨鍒皀ode2錛?test3"淇濆瓨鍒皀ode3錛屽茍涓斿湪璇誨彇緙撳瓨鏁版嵁涔熸槸閫氳繃涓�鏍風(fēng)殑綆楁硶浠庡悇鍙版湇鍔″櫒涓婅鍙栫浉搴旂殑key,榪欐牱閫氳繃涓�涓渶綆�鍗曠殑綆楁硶灝嗕笉鍚岀殑閿繚瀛樺埌涓嶅悓鐨勬湇鍔″櫒涓?瀹炵幇浜?jiǎn)memcached鐨勫垎甯冨紡.<br />
浣嗘槸榪欑綆楁硶寰堥毦紜繚姣忓彴鏈嶅姟鍣ㄥ緱鍒拌緝涓哄鉤鍧囩殑鏁版嵁閲?鎴戜滑闇�瑕佹敼鍙樹(shù)竴涓嬪鎴風(fēng)鐨勭畻娉?綆�鍗曟潵璇?灝辨槸鏍規(guī)嵁鏈嶅姟鍣ㄧ殑鍙版暟鐨勪綑鏁拌繘琛屽垎鏁?br />
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<div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%;"><!--<br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
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--><span style="color: #000000;">&lt;%<br />
"</span><span style="color: #000000;">test1</span><span style="color: #000000;">"</span><span style="color: #000000;">.hashCode()</span><span style="color: #000000;">%</span><span style="color: #000000;">3<br />
%&gt;<br />
</span></div>
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鏍規(guī)嵁key鐨刯ava.lang.String.hashCode()鍙栧緱鏁ｅ垪鍊?鍐嶅皢鍊兼ā鏈嶅姟鍣ㄧ殑鍙版暟寰楀埌浣欐暟鍊?鎴戜滑鍐嶆牴鎹繖涓綑鏁板�兼潵鍒ゅ畾榪欎釜key瑕佸瓨鍏ュ摢涓�鍙版湇鍔″櫒,褰搆ey鐨勬暟閲忚秺鏉ヨ秺澶?瀵筴ey鐨勬暎鍒楀彇妯′篃浼?xì)瓒嬪悜邈^鍧?鍩烘湰鍙互淇濊瘉鍑犲彴memcached鏈嶅姟鍣ㄦ墍瀛樺偍鐨勭紦瀛橀噺瓚嬪悜騫沖潎<br />
浼間箮寰堝畬緹?浣欐暟璁＄畻鐨勬柟娉曞緢綆�鍗?鏁版嵁鐨勫垎鏁ｆ�т篃寰堜紭縐�,浣嗕篃鏈夊叾緙虹偣,灝辨槸褰撻渶瑕佹坊鍔犳垨縐婚櫎鏈嶅姟鍣ㄦ椂,緙撳瓨鐨勯噸緇勪唬浠鋒槸鐩稿綋宸ㄥぇ鐨?娣誨姞鎴栫Щ闄ゆ湇鍔″櫒鏃?浣欐暟灝變細(xì)鍙戠敓鍙樺寲,榪欐牱灝辨棤娉曞彇鍒頒笌鍘熸潵緙撳瓨鏃剁浉鍚岀殑鏈嶅姟鍣?<br />
緗戜笂浠嬬粛鐨凜onsistent Hashing綆楁硶鍩烘湰涓婂彲浠ヨВ鍐寵繖涓棶棰?榪欓噷鍋氫釜綆�鍗曠殑璇存槑,棣栧厛鏄眰鍑簃emcached鏈嶅姟鍣ㄨ妭鐐圭殑鍝堝笇鍊?騫跺皢鍏墮厤緗埌0-2鐨?2嬈℃柟鐨勫渾涓?鐒跺悗鐢ㄥ悓鏍風(fēng)殑鏂規(guī)硶姹傚嚭瀛樺偍鏁版嵁鐨勯敭鐨勫搱甯屽�?騫舵槧灝勫埌鍦嗕笂.鐒跺悗浠庢暟鎹槧灝勫埌鐨勪綅緗紑濮嬮『鏃墮拡鏌ユ壘,灝嗘暟鎹繚瀛樺埌鎵懼埌鐨勭涓�涓湇鍔″櫒涓?濡傛灉瓚呰繃2鐨?2嬈℃柟浠嶇劧鎵句笉鍒版湇鍔″櫒,灝變細(xì)淇濆瓨鍒扮涓�鍙癿emcached鏈嶅姟鍣ㄤ笂<br />
<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/memcached/3.png" width="512" height="421" /><br />
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浠庝笂鍥劇殑鐘舵�佷腑娣誨姞涓�鍙癿emcached鏈嶅姟鍣ㄣ�備綑鏁板垎甯冨紡綆楁硶鐢變簬淇濆瓨閿殑鏈嶅姟鍣ㄤ細(xì)鍙戠敓宸ㄥぇ鍙樺寲鑰屽獎(jiǎng)鍝嶇紦瀛樼殑鍛戒腑鐜囷紝浣咰onsistent Hashing涓紝鍙湁鍦╟ontinuum涓婂鍔犳湇鍔″櫒鐨勫湴鐐歸�嗘椂閽堟柟鍚戠殑絎竴鍙版湇鍔″櫒涓婄殑閿細(xì)鍙楀埌褰卞搷<br />
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<strong>鍑犵榪炴帴瀹㈡埛绔殑瀵規(guī)瘮</strong><br />
鐩墠java鐨刴emcached涓昏鏈塉ava-Memcached-Client,Xmemached,Spymemcached涓夌,榪欎笁涓鎴風(fēng)鐨勬�ц兘嫻嬭瘯鍙互鐪?br />
http://xmemcached.googlecode.com/svn/trunk/benchmark/benchmark.html<br />
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<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/memcached/4.png" width="942" height="612" /><br />
璇鋒眰鐨勮祫婧愪負(fù)64Bytes,鍦ㄤ綆騫跺彂Java-Memcached-Client鏄崰鏈変竴瀹氱殑浼樺娍,浣嗗湪騫跺彂鏁拌秴榪?00浠ュ悗,Java-Memcached-Client鏄憟鐜扮洿綰夸笅璺?騫跺彂鏁拌揪鍒?00宸茬粡鏃犳硶鎵垮彈,Spymemcached鍜孹memached琛ㄧ幇鐩稿紼沖畾,鐗瑰埆鏄疿memached鏃犺鍦ㄤ綆騫跺彂鎴栭珮騫跺彂閮戒繚鎸佷紭縐�鐨勬�ц兘琛ㄧ幇<br />
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<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/memcached/5.png" width="950" height="610" /><br />
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騫跺彂鏁板浐瀹氫負(fù)100鏃?鍦ㄥ皬鏂囦歡鐨勮姹侸ava-Memcached-Client榪樻槸鍗犳湁浼樺娍,褰撻殢鐫�璇鋒眰鐨剆ize瓚婃潵瓚婂ぇ,涓夎�呰秼鍚戜簬鍚屼竴鐐?br />
濡傛灉浣犲memcached璁塊棶鐨勮礋杞戒笉楂?閭ｄ箞Java-Memcached-Client鏄竴涓笉閿欑殑閫夋嫨,濡傛灉浣犲memcached璁塊棶鐨勮礋杞借姹傝緝楂?鎺ㄨ崘浣跨敤Xmemached,濡傛灉闇�瑕佸紓姝ョ殑鎵歸噺澶勭悊,鍙互閫夋嫨Spymemcached,濡傛灉浣犱粈涔堥兘涓嶇煡閬?閭ｄ箞寤鴻浣跨敤Xmemached,鍥犱負(fù)鏃犺鍦ㄤ綍縐嶆儏鍐?瀹冮兘鍙互琛ㄧ幇鍑?guó)櫨冨ソ鐨勬�ц兘,铏界劧涓嶆槸鏈�濂?br />
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<hr width="100%" size="2" />
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<strong>鐩戞帶memcached </strong><br />
鎺ㄨ崘浣跨敤nagios鎴朿actis榪涜鐩戞帶,nagios娌℃湁閰嶇疆榪?cactis鏄渶瑕佷笅杞戒竴涓剼鏈彃浠?br />
榪欓噷鎺ㄨ崘涓�涓粠緗戜笂娣樻潵鐨刾hp,鍙鎶婂畠鏀懼埌浣犵殑鏈哄櫒涓?褰撶劧浣犵殑鏈哄櫒瑕佹敮鎸乸hp鐜,灝嗘php鏀懼叆浣犵殑緗戦〉璁塊棶緗戠粶灝卞彲浠ヨ闂?br />
涓嬭澆<br />
<a href="/Files/dongbule/cacti/memcache.rar">http://m.tkk7.com/Files/dongbule/cacti/memcache.rar</a><br />
淇敼php浠ヤ笅鍑犱釜閫夐」<br />
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--><span style="color: #008080;">define</span><span style="color: #000000;">(</span><span style="color: #000000;">'</span><span style="color: #000000;">ADMIN_USERNAME</span><span style="color: #000000;">'</span><span style="color: #000000;">,</span><span style="color: #000000;">'</span><span style="color: #000000;">memcache</span><span style="color: #000000;">'</span><span style="color: #000000;">);&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #008000;">//</span><span style="color: #008000;">&nbsp;Admin&nbsp;Username</span><span style="color: #008000;"><br />
</span><span style="color: #008080;">define</span><span style="color: #000000;">(</span><span style="color: #000000;">'</span><span style="color: #000000;">ADMIN_PASSWORD</span><span style="color: #000000;">'</span><span style="color: #000000;">,</span><span style="color: #000000;">'</span><span style="color: #000000;">password</span><span style="color: #000000;">'</span><span style="color: #000000;">);&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #008000;">//</span><span style="color: #008000;">&nbsp;Admin&nbsp;Password</span><span style="color: #008000;"><br />
</span><span style="color: #000000;"><br />
</span><span style="color: #800080;">$MEMCACHE_SERVERS</span><span style="color: #000000;">[]&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #000000;">'</span><span style="color: #000000;">192.168.1.100:11211</span><span style="color: #000000;">'</span><span style="color: #000000;">;&nbsp;</span><span style="color: #008000;">//</span><span style="color: #008000;">&nbsp;add&nbsp;more&nbsp;as&nbsp;an&nbsp;array</span><span style="color: #008000;"><br />
#</span><span style="color: #008000;">$MEMCACHE_SERVERS[]&nbsp;=&nbsp;'mymemcache-server2:11211';&nbsp;//&nbsp;add&nbsp;more&nbsp;as&nbsp;an&nbsp;array</span></div>
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鐩戞帶鐨勫鉤鍙?br />
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<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/memcached/6.png" width="992" height="422" /><br />
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<hr width="100%" size="2" />
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<strong>鐞嗚Вmemcached鐨勫垹闄ゆ満鍒?/strong><br />
memcached鍐呴儴涓嶄細(xì)鐩戣璁板綍鏄惁榪囨湡,鑰屾槸鍦╣et鏃舵煡鐪嬭褰曠殑鏃墮棿鎴?媯�(gè)鏌ヨ褰曟槸鍚﹁繃鏈? 榪欑鎶�鏈縐頒負(fù)lazy(鎯版�?expiration.鍥犳,memcached涓嶄細(xì)鍦ㄨ繃鏈熺洃瑙嗕笂鑰楄垂CPU鏃墮棿<br />
memcached浼?xì)浼樺厛鋴社敤宸箔憛鏃剁殑璁板綍鐨劷I洪棿,騫朵嬌鐢↙RU綆楁硶鏉ュ垎閰嶇┖闂?鍥犳褰搈emcached鐨勫唴瀛樼┖闂翠笉瓚?灝變粠鏈�榪戣繚鑳屼嬌鐢ㄧ殑璁板綍涓悳绱?騫跺皢絀洪棿鍒嗛厤緇欐柊鐨勮褰?br />
涓嶈繃鍦ㄦ煇浜涙儏鍐典笅LRU鏈哄埗浼?xì)閫犳垚鏌愪簺楹葷儲(chǔ),濡備綘騫朵笉鎯寵娣樻卑宸茶緙撳瓨榪囩殑璁板綍,鍙互鍦╩emcached鍚姩鏃舵坊鍔?-M 鍙傛暟鏉ョ姝RU,浣嗚繖鏍峰湪memcached鐨勫唴瀛樼敤灝芥椂,memcached浼?xì)杩斿洖閿欒?鏄惁浣跨敤LRU,鍦ㄤ簬浣犵殑闇�姹?br />
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by 闄堜簬鍠?<br />
QQ:34174409<br />
Mail: dongbule@163.com<br />
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<img src ="http://m.tkk7.com/dongbule/aggbug/340066.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/dongbule/" target="_blank">闄堜簬鍠?/a> 2010-12-08 15:00 <a href="http://m.tkk7.com/dongbule/archive/2010/12/08/340066.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>嫻忚鍣ㄧ殑緙撳瓨鍗忓晢</title><link>http://m.tkk7.com/dongbule/archive/2010/08/25/329840.html</link><dc:creator>闄堜簬鍠?/dc:creator><author>闄堜簬鍠?/author><pubDate>Tue, 24 Aug 2010 16:03:00 GMT</pubDate><guid>http://m.tkk7.com/dongbule/archive/2010/08/25/329840.html</guid><wfw:comment>http://m.tkk7.com/dongbule/comments/329840.html</wfw:comment><comments>http://m.tkk7.com/dongbule/archive/2010/08/25/329840.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/dongbule/comments/commentRss/329840.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/dongbule/services/trackbacks/329840.html</trackback:ping><description><![CDATA[璁板緱闂繃韜竟鐨勪竴浜涘紑鍙戝伐紼嬪笀(闈炲墠绔?緙撳瓨瑕佸垎鍑犱釜灞傛錛屼粠鍝噷鍋氳搗錛岀瓟妗堝緢澶氾紝姣斿鍙嶅悜浠ｇ悊緙撳瓨錛孌NS緙撳瓨錛宮emcached錛屾暟鎹簱緙撳瓨絳夌瓑錛岀‘瀹炲緢瀹屾暣錛屼笉榪囧ソ鍍忔紡鎺変簡(jiǎn)鎴戜滑鐢ㄦ埛璺熸垜浠仈閫氱殑鏈�鏍規(guī)湰鐨勫伐鍏鋒祻瑙堝櫒錛岀‘瀹炲ソ浼煎緢灝戞湁浜烘妸鐢ㄦ埛鐨勬祻瑙堝櫒褰撲綔鏄痺eb绔欑偣鐨勭粍鎴愰儴鍒嗘潵鐪嬪緟<br />
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緙撳瓨鍗忓晢<br />
鐜板湪鎴戜滑闇�瑕佸皢鐢ㄦ埛鐨勬祻瑙堝櫒涔熺撼鍏ユ垜浠瀯寤虹綉绔欏悇涓紦瀛樺眰嬈′腑鐨勫叾涓竴涓噸瑕佸眰嬈★紝緗戠珯淇℃伅鍜屽唴瀹瑰湪鐢眞eb鏈嶅姟鍣ㄧ敓鎴愶紝鑰屽皢榪欎簺淇℃伅鍜屽唴瀹逛綔涓轟竴孌典簩榪涘埗鐨勬枃浠朵綔涓烘湰鍦扮紦瀛樻枃浠跺瓨鏀懼湪鐢ㄦ埛鐨勬祻瑙堝櫒錛屾槸涓や釜鐙珛涓綋鍏卞悓瀹屾垚鐨勪換鍔★紝鎵�浠ヤ袱鑰呬箣闂撮渶瑕佷竴縐嶆矡閫氱殑鏈哄埗錛屼篃灝辨槸HTTP鐨勭紦瀛樺崗鍟?br />
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<strong>Last-Modified鍜孖f-Modified-Since鍗忓晢</strong><br />
Last-Modified鍜孖f-Modified-Since鍒嗗埆浣嶄簬鍝嶅簲澶翠俊鎭拰璇鋒眰澶翠俊鎭腑錛岄兘鏄褰曡姹傜殑欏甸潰鏈�鍚庣殑淇敼鏃墮棿<br />
鍦ㄧ涓�嬈¤闂畐eb鏈嶅姟鍣ㄤ細(xì)榪斿洖200鐘舵�侊紝騫跺湪嫻忚鍣ㄧ殑鍝嶅簲澶碙ast-Modified涓婂啓涓婃欏甸潰鏈�鍚庝慨鏀圭殑鏃墮棿鎴?br />
浣跨敤firebug榪涜鏌ョ湅<br />
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<img alt="" src="http://m.tkk7.com/images/blogjava_net/dongbule/1.jpg" width="949" height="430" /><br />
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鍦ㄥ啀嬈¤闂椂錛屾祻瑙堝櫒浼?xì)鎶娊W竴嬈¤繑鍥濴ast-Modified鐨勬椂闂存埑璁板綍鍒癐f-Modified-Since錛屽茍浣滀負(fù)璇鋒眰澶翠俊鎭彂閫佸埌鏈嶅姟鍖猴紝web鏈嶅姟鍣ㄤ細(xì)閫氳繃If-Modified-Since涓婄殑鏃墮棿鎴蟲(chóng)潵鍒ゆ柇鐢ㄦ埛鐨勯〉闈㈡槸鍚︽槸鏈�鏂扮殑錛屽鏋滀笉鏄渶鏂扮殑錛屽垯榪斿洖鏂扮殑欏甸潰騫朵慨鏀瑰搷搴斿ごLast-Modified鏃墮棿鎴崇粰鐢ㄦ埛錛屽鏋滃垽鏂槸鏈�鏂扮殑錛屽垯榪斿洖304鐘舵�佸茍鍛婅瘔嫻忚鍣ㄦ湰鍦扮殑cache欏甸潰鏄渶鏂扮殑錛屾祻瑙堝櫒鍙互鐩存帴鍔犺澆鏈湴欏甸潰錛岃繖鏍峰彲浠ュ噺灝戠綉緇滀笂浼犺緭鐨勬暟鎹紝騫朵笖涔熷噺灝戞湇鍔″櫒鐨勮礋鎷呫�?br />
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<img src="http://m.tkk7.com/images/blogjava_net/dongbule/2.jpg" alt="" border="0" /><br />
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榪欓噷闇�瑕佹敞鎰忕殑鏄紝HTTP鍗忚涓瀹氫嬌鐢ㄧ殑鏄疓MT鏃墮棿(鏍兼灄濞佹不)錛岃�屾垜浠浗瀹朵嬌鐢ㄧ殑鏄疓MT+8鐨勬椂闂達(dá)紝鎵�浠ユ垜浠粠firebug涓湅鍒扮殑鏃墮棿鏄瘮鎴戜滑鏃╀簡(jiǎn)8涓皬鏃訛紝涓嶈繃榪欐病鍏崇郴錛屽畠騫朵笉褰卞搷鍒扮紦瀛樼殑瀵規(guī)瘮宸ヤ綔<br />
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<strong>Etag鍗忓晢</strong><br />
濡傛灉鎴戜滑鐨勪竴涓枃浠跺瓨鏀懼湪澶氬彴web鏈嶅姟鍣ㄤ笂錛岀敤鎴風(fēng)殑璇鋒眰鍦ㄨ繖浜涙湇鍔″櫒涓婁箣闂磋疆璇紝瀹炵幇璐熻澆鍧囪　錛岄偅浜涜繖涓枃浠跺湪鍚勫彴web鏈嶅姟鍣ㄧ殑鏈�鍚庝慨鏀規(guī)椂闂村緢鍙兘鏄笉涓�鏍鳳紝榪欐牱鐢ㄦ埛姣忔璇鋒眰鍒扮殑web鏈嶅姟鍣ㄩ兘鍙兘鏄笉鍚岋紝Last-Modified鍜孖f-Modified-Since鍒欐棤娉曞搴旓紝瀵艱嚧姣忔閮介渶瑕侀噸鏂拌幏鍙栧唴瀹癸紝榪欐椂鍊欓噰鐢ㄧ洿鎺ユ爣璁板唴瀹圭殑Etag綆楁硶錛屽氨鍙互閬垮厤涓婅堪鐨勯棶棰?br />
Etag鏄敱Web鏈嶅姟鍣ㄧ敓鎴愮殑錛屽Apache涓轟竴涓潤(rùn)鎬佹枃浠舵柊澧炲搷搴斿ご涓?br />
Etag&nbsp;&nbsp; &nbsp;"e3af4060-5-472bedf076880"<br />
嫻忚鍣ㄨ幏寰楄繖涓狤tag鍚庯紝渚夸細(xì)鍦ㄤ笅嬈¤姹傝欏甸潰鏃訛紝鍦℉TTP鐨勮姹傚ご闄勪笂If-None-Match&nbsp;&nbsp; &nbsp;"e3af4060-5-472bedf076880"錛屼笌web鏈嶅姟鍣ㄤ笂鐨凟tag鍊肩浉姣旇緝錛屽鏋滄槸鐩稿悓鐨勮瘽錛屼究榪斿洖304鐘舵�侊紝涓嶅悓鍒欓噸鏂拌繑鍥炴柊欏甸潰淇℃伅<br />
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<img src="http://m.tkk7.com/images/blogjava_net/dongbule/3.jpg" alt="" border="0" /><br />
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褰撶劧鍟︼紝榪欓噷瑕佹寚鍑烘祻瑙堝櫒緙撳瓨鍙拡瀵笻TML鍜孒TM榪涜鑰屽姩鎬佹枃浠跺垯鏃犳硶緙撳瓨錛屾祻瑙堝櫒騫朵笉鍦ㄤ箮浣犵殑鏂囦歡鏄惁鍔ㄦ�佽繕鏄潤(rùn)鎬侊紝嫻忚鍣ㄥ彧璁ゅ噯鍜寃eb鏈嶅姟鍣ㄩ�氳鐨凥TTP鍗忓晢錛屾墍浠ュ彧瑕佸姩鎬侀〉闈TTP澶翠俊鎭寘鍚殑緙撳瓨鍗忓晢淇℃伅錛屽姩鎬佸唴瀹逛篃鏄彲浠ヤ竴鏍瘋嫻忚鍣ㄨ繘琛岀紦瀛樼殑錛屽拰闈?rùn)鎬侀〉闈㈡棤浠�涔堜袱鏍鳳紝鍙槸浣犵‘瀹氫綘闇�瑕佽繖鏍峰仛錛岃鍔ㄦ�侀〉闈㈣緙撳瓨錛?br />
浠ヤ笅鏄涓�涓猨sp榪涜鍐欏ご淇℃伅<br />
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<div style="background-color: rgb(238, 238, 238); font-size: 13px; border: 1px solid rgb(204, 204, 204); padding: 4px 5px 4px 4px; width: 98%;"><!--<br />
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--><span style="color: rgb(0, 0, 0);">response.addHeader(</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">Last-Modified</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">,DateUtl.format(</span><span style="color: rgb(0, 0, 255);">new</span><span style="color: rgb(0, 0, 0);">&nbsp;java.util.Date())</span><span style="color: rgb(0, 0, 0);">+</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">&nbsp;GMT</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">);<br />
response.addHeader(</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">ETag</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">,</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">e3af4060-5-472bedf076880</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">);</span></div>
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鍚屾牱錛岃繖鏍蜂袱涓緗細(xì)鍐欏叆嫻忚鍣ㄧ殑鍝嶅簲澶達(dá)紝榪欎釜鍔ㄦ�佹枃浠惰窡闈?rùn)鎬佹枃浠朵竴鏍蜂細(xì)琚祻瑙堝櫒緙撳瓨<br />
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<strong>Expires</strong><br />
Expires鏍囪鍛婅瘔嫻忚鍣ㄨ欏甸潰浣曟椂榪囨湡錛屽茍涓斿湪姝よ繃鏈熷墠涓嶉渶瑕佸啀璁塊棶web鏈嶅姟鍣紝鐩存帴浣跨敤鏈湴鐨勭紦瀛樻枃浠跺嵆鍙紝榪欐牱璇鋒眰鍝嶅簲澶撮兘涓嶉渶瑕侊紝紜疄鑺傜渷浜?jiǎn)甯﹀鍜屾湇鍔″櫒鐨勫紑閿�錛屼絾鏄氨綆楅〉闈㈠湪web鏈嶅姟鍣ㄤ笂鏇存柊鍚庡湪Expires榪囨湡鍓嶄篃涓嶄細(xì)鍑虹幇鍦ㄧ敤鎴烽潰鍓嶏紝絀剁珶鏄惁搴旇鍦ㄤ簬鎴戜滑鐨勫疄闄呭簲鐢ㄥ拰鍙栬垗<br />
涓嬮潰鏄疉pache涓彁渚涚殑mod_expires妯″潡<br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
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--><span style="color: rgb(0, 0, 255);">&lt;</span><span style="color: rgb(128, 0, 0);">IfModule&nbsp;</span><span style="color: rgb(255, 0, 0);">mod_expires.c</span><span style="color: rgb(0, 0, 255);">&gt;</span><span style="color: rgb(0, 0, 0);"><br />
ExpiresActive&nbsp;On<br />
ExpiresDefault&nbsp;A600<br />
ExpiresByType&nbsp;image/x-icon&nbsp;A2592000<br />
ExpiresByType&nbsp;application/x-javascript&nbsp;A604800<br />
ExpiresByType&nbsp;text/css&nbsp;A604800<br />
ExpiresByType&nbsp;image/gif&nbsp;A2592000<br />
ExpiresByType&nbsp;image/png&nbsp;A2592000<br />
ExpiresByType&nbsp;image/jpeg&nbsp;A2592000<br />
ExpiresByType&nbsp;text/plain&nbsp;A86400<br />
ExpiresByType&nbsp;application/x-shockwave-flash&nbsp;A2592000<br />
ExpiresByType&nbsp;video/x-flv&nbsp;A2592000<br />
ExpiresByType&nbsp;application/pdf&nbsp;A2592000<br />
ExpiresByType&nbsp;text/html&nbsp;A600<br />
</span><span style="color: rgb(0, 0, 255);">&lt;/</span><span style="color: rgb(128, 0, 0);">IfModule</span><span style="color: rgb(0, 0, 255);">&gt;</span></div>
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http://www.CodeHighlighter.com/<br />
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ExpiresActive&nbsp;On<br />
ExpiresDefault&nbsp;"access&nbsp;plus&nbsp;12&nbsp;hours"<br />
ExpiresByType&nbsp;text/html&nbsp;"access&nbsp;plus&nbsp;3&nbsp;days"<br />
ExpiresByType&nbsp;text/plain&nbsp;"access&nbsp;plus&nbsp;3&nbsp;days"<br />
ExpiresByType&nbsp;text/css&nbsp;&nbsp;"access&nbsp;plus&nbsp;7&nbsp;days"<br />
ExpiresByType&nbsp;image/gif&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
ExpiresByType&nbsp;image/png&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
ExpiresByType&nbsp;image/jpeg&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
ExpiresByType&nbsp;image/x-icon&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
ExpiresByType&nbsp;video/x-flv&nbsp;&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
ExpiresByType&nbsp;application/x-shockwave-flash&nbsp;"access&nbsp;plus&nbsp;30&nbsp;days"<br />
</span><span style="color: rgb(0, 0, 255);">&lt;/</span><span style="color: rgb(128, 0, 0);">IfModule</span><span style="color: rgb(0, 0, 255);">&gt;</span></div>
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鎴戜滑鍦╦sp鏂囦歡涔熷彲浠ユ寚瀹歟xpires鐨勮繃鏈熸椂闂?br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
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--><span style="color: rgb(0, 0, 0);">response.addHeader(</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">Expires</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">,DateUtl.format(</span><span style="color: rgb(0, 0, 255);">new</span><span style="color: rgb(0, 0, 0);">&nbsp;java.util.Date())</span><span style="color: rgb(0, 0, 0);">+</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">&nbsp;GMT</span><span style="color: rgb(0, 0, 0);">"</span><span style="color: rgb(0, 0, 0);">);</span></div>
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<img src="http://m.tkk7.com/images/blogjava_net/dongbule/4.jpg" alt="" border="0" /><br />
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褰撶劧鍟︼紝浣犲啀鍒鋒柊涔熶笉浼?xì)杩斿?04鐘舵�侊紝鍥犱負(fù)嫻忚鍣ㄥ凡緇忎笉鐢ㄦ兂web鏈嶅姟鍣ㄥ彂鍑?guó)櫙锋?br />
<br />
----------------------------------------<br />
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by 闄堜簬鍠?<br />
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鍙傝�冩枃绔?br />
閮 銆婃瀯寤洪珮鏂拌兘web绔欑偣銆?br />
涓枃鐗?銆奌TTP鍗忚(RFC2616)銆?br />
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