锘??xml version="1.0" encoding="utf-8" standalone="yes"?>欧美精品一区在线观看,日本中文字幕一区二区 ,三级在线电影http://www.aygfsteel.com/b47248054/涓轟漢灝介噺淇濇寔浣庤皟銆傚皧閲嶅埆浜猴紝涓嶈闅忎究鍘繪墦鏂埆浜虹殑鍙戣█錛岃鐪熺殑鍚埆浜虹殑璦€璇€備笉瑕佽€佹槸鎯崇潃鎶婅瘽棰樻姠榪囨潵鎶撳湪鑷繁鎵嬮噷銆備笉鑳芥斁寮€鐨勪漢鏄病娉曡幏寰楃殑銆?/description>zh-cnFri, 13 Jun 2025 08:10:13 GMTFri, 13 Jun 2025 08:10:13 GMT60 Redis 鏁版嵁搴撶殑閿€艱璁?/title><link>http://www.aygfsteel.com/b47248054/articles/392724.html</link><dc:creator>錛堝寳浜級鏈ㄦ湪</dc:creator><author>錛堝寳浜級鏈ㄦ湪</author><pubDate>Mon, 10 Dec 2012 06:03:00 GMT</pubDate><guid>http://www.aygfsteel.com/b47248054/articles/392724.html</guid><wfw:comment>http://www.aygfsteel.com/b47248054/comments/392724.html</wfw:comment><comments>http://www.aygfsteel.com/b47248054/articles/392724.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/b47248054/comments/commentRss/392724.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/b47248054/services/trackbacks/392724.html</trackback:ping><description><![CDATA[ <div id="wmqeeuq" class="detail"> <p>涓板瘜鐨勬暟鎹粨鏋勪嬌寰梤edis鐨勮璁￠潪甯哥殑鏈夎叮銆備笉鍍忓叧緋誨瀷鏁版嵁搴撻偅鏍鳳紝DEV鍜孌BA闇€瑕佹繁搴︽矡閫氾紝review姣忚sql璇彞錛屼篃涓嶅儚memcached閭ｆ牱錛屼笉闇€瑕丏BA鐨勫弬涓庛€俽edis鐨凞BA闇€瑕佺啛鎮(zhèn)夋暟鎹粨鏋勶紝騫惰兘浜嗚В浣跨敤鍦烘櫙銆?/p> <p>涓嬮潰涓句竴浜涘父瑙侀€傚悎kv鏁版嵁搴撶殑渚嬪瓙鏉ヨ皥璋堥敭鍊肩殑璁捐錛屽茍涓庡叧緋誨瀷鏁版嵁搴撳仛涓€涓姣旓紝鍙戠幇鍏崇郴鍨嬬殑涓嶈凍涔嬪銆?/p> <h3>鐢ㄦ埛鐧誨綍緋葷粺</h3> <p>璁板綍鐢ㄦ埛鐧誨綍淇℃伅鐨勪竴涓郴緇燂紝 鎴戜滑綆€鍖栦笟鍔″悗鍙暀涓嬩竴寮犺〃銆?/p> <h4>鍏崇郴鍨嬫暟鎹簱鐨勮璁?/h4> <pre>mysql> select * from login; +---------+----------------+-------------+---------------------+ | user_id | name聽聽聽聽聽聽聽聽聽聽 | login_times | last_login_time聽聽聽聽 | +---------+----------------+-------------+---------------------+ |聽聽聽聽聽聽 1 | ken thompson聽聽 |聽聽聽聽聽聽聽聽聽聽 5 | 2011-01-01 00:00:00 | |聽聽聽聽聽聽 2 | dennis ritchie |聽聽聽聽聽聽聽聽聽聽 1 | 2011-02-01 00:00:00 | |聽聽聽聽聽聽 3 | Joe Armstrong聽 |聽聽聽聽聽聽聽聽聽聽 2 | 2011-03-01 00:00:00 | +---------+----------------+-------------+---------------------+</pre> <p>user_id琛ㄧ殑涓婚敭錛宯ame琛ㄧず鐢ㄦ埛鍚嶏紝login_times琛ㄧず璇ョ敤鎴風(fēng)殑鐧誨綍嬈℃暟錛屾瘡嬈＄敤鎴風(fēng)櫥褰曞悗錛宭ogin_times浼?xì)鑷锛岃€宭ast_login_time鏇存柊涓哄綋鍓嶆椂闂淬€?/p> <h4>REDIS鐨勮璁?/h4> <p>鍏崇郴鍨嬫暟鎹漿鍖栦負(fù)KV鏁版嵁搴擄紝鎴戠殑鏂規(guī)硶濡備笅錛?/p> <p>key 琛ㄥ悕錛氫富閿€鹼細(xì)鍒楀悕</p> <p>value 鍒楀€?/p> <p>涓€鑸嬌鐢ㄥ啋鍙峰仛鍒嗗壊絎︼紝榪欐槸涓嶆垚鏂囩殑瑙勭煩銆傛瘮濡傚湪php-admin for redis緋葷粺閲岋紝灝辨槸榛樿浠ュ啋鍙峰垎鍓詫紝浜庢槸user:1 user:2絳塳ey浼?xì)鍒嗘垚涓€緇勩€備簬鏄互涓婄殑鍏崇郴鏁版嵁杞寲鎴恔v鏁版嵁鍚庤褰曞涓嬶細(xì)</p> <pre>Set login:1:login_times 5 Set login:2:login_times 1 Set login:3:login_times 2 Set login:1:last_login_time 2011-1-1 Set login:2:last_login_time 2011-2-1 Set login:3:last_login_time 2011-3-1 set login:1:name 鈥漦en thompson鈥? set login:2:name 鈥渄ennis ritchie鈥? set login:3:name 鈥滼oe Armstrong鈥?/pre> <p>榪欐牱鍦ㄥ凡鐭ヤ富閿殑鎯呭喌涓嬶紝閫氳繃get銆乻et灝卞彲浠ヨ幏寰楁垨鑰呬慨鏀圭敤鎴風(fēng)殑鐧誨綍嬈℃暟鍜屾渶鍚庣櫥褰曟椂闂村拰濮撳悕銆?/p> <p>涓€鑸敤鎴鋒槸鏃犳硶鐭ラ亾鑷繁鐨刬d鐨勶紝鍙煡閬撹嚜宸辯殑鐢ㄦ埛鍚嶏紝鎵€浠ヨ繕蹇呴』鏈変竴涓粠name鍒癷d鐨勬槧灝勫叧緋伙紝榪欓噷鐨勮璁′笌涓婇潰鐨勬湁鎵€涓嶅悓銆?/p> <pre>set "login:ken thompson:id" 聽 1 set "login:dennis ritchie:id"聽聽聽 2 set "login:聽Joe Armstrong:id"聽 3</pre> <p>榪欐牱姣忔鐢ㄦ埛鐧誨綍鐨勬椂鍊欎笟鍔￠€昏緫濡備笅錛坧ython鐗堬級錛宺鏄痳edis瀵硅薄錛宯ame鏄凡緇忚幏鐭ョ殑鐢ㄦ埛鍚嶃€?/p> <div class="wmqeeuq" id="highlighter_350111" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_350111_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_350111" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="comments">#鑾峰緱鐢ㄦ埛鐨刬d</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>2</code> </td> <td class="content"> <code class="plain">uid </code> <code class="keyword">=</code> <code class="plain">r.get(</code> <code class="string">"login:%s:id"</code> <code class="keyword">%</code> <code class="plain">name)</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>3</code> </td> <td class="content"> <code class="comments">#鑷鐢ㄦ埛鐨勭櫥褰曟鏁?/code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>4</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">r.incr(</code> <code class="string">"login:%s:login_times"</code> <code class="keyword">%</code> <code class="plain">uid)</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>5</code> </td> <td class="content"> <code class="comments">#鏇存柊璇ョ敤鎴風(fēng)殑鏈€鍚庣櫥褰曟椂闂?/code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>6</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">r.</code> <code class="functions">set</code> <code class="plain">(</code> <code class="string">"login:%s:last_login_time"</code> <code class="keyword">%</code> <code class="plain">uid, datetime.datetime.now())</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>濡傛灉闇€姹備粎浠呮槸宸茬煡id錛屾洿鏂版垨鑰呰幏鍙栨煇涓敤鎴風(fēng)殑鏈€鍚庣櫥褰曟椂闂達紝鐧誨綍嬈℃暟錛屽叧緋誨瀷鍜宬v鏁版嵁搴撴棤鍟ュ尯鍒€備竴涓€氳繃btree pk錛屼竴涓€氳繃hash錛屾晥鏋滈兘寰堝ソ銆?/p> <p>鍋囪鏈夊涓嬮渶姹傦紝鏌ユ壘鏈€榪戠櫥褰曠殑N涓敤鎴楓€傚紑鍙戜漢鍛樼湅鐪嬶紝榪樻槸姣旇緝綆€鍗曠殑錛屼竴涓猻ql鎼炲畾銆?/p> <div class="wmqeeuq" id="highlighter_599481" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_599481_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_599481" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="keyword">select</code> <code class="plain">* </code> <code class="keyword">from</code> <code class="plain">login </code> <code class="keyword">order</code> <code class="keyword">by</code> <code class="plain">last_login_time </code> <code class="keyword">desc</code> <code class="plain">limit N</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>DBA浜嗚В闇€姹傚悗錛岃€冭檻鍒頒互鍚庤〃濡傛灉姣旇緝澶э紝鎵€浠ュ湪last_login_time涓婂緩涓儲寮曘€傛墽琛岃鍒掍粠绱㈠紩leafblock 鐨勬渶鍙寵竟寮€濮嬭闂甆鏉¤褰曪紝鍐嶅洖琛∟嬈★紝鏁堟灉寰堝ソ銆?/p> <p>榪囦簡涓ゅぉ錛屽張鏉ヤ竴涓渶姹傦紝闇€瑕佺煡閬撶櫥褰曟鏁版渶澶氱殑浜烘槸璋併€傚悓鏍風(fēng)殑鍏崇郴鍨嬪浣曞鐞嗭紵DEV璇寸畝鍗?/p> <div class="wmqeeuq" id="highlighter_541233" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_541233_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_541233" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="keyword">select</code> <code class="plain">* </code> <code class="keyword">from</code> <code class="plain">login </code> <code class="keyword">order</code> <code class="keyword">by</code> <code class="plain">login_times </code> <code class="keyword">desc</code> <code class="plain">limit N</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>DBA涓€鐪嬶紝鍙堣鍦╨ogin_time涓婂緩绔嬩竴涓儲寮曘€傛湁娌℃湁瑙夊緱鏈夌偣闂鍛紝琛ㄤ笂姣忎釜瀛楁涓婇兘鏈夌礌寮曘€?/p> <p>鍏崇郴鍨嬫暟鎹簱鐨勬暟鎹瓨鍌ㄧ殑鐨勪笉鐏墊椿鏄棶棰樼殑婧愬ご錛屾暟鎹粎鏈変竴縐嶅偍瀛樻柟娉曪紝閭ｅ氨鏄寜琛屾帓鍒楃殑鍫嗚〃銆傜粺涓€鐨勬暟鎹粨鏋勬剰鍛崇潃浣犲繀欏諱嬌鐢ㄧ儲寮曟潵鏀瑰彉sql鐨勮闂礬寰勬潵蹇€熻闂煇涓垪鐨勶紝鑰岃闂礬寰勭殑澧炲姞鍙堟剰鍛崇潃浣犲繀欏諱嬌鐢ㄧ粺璁′俊鎭潵杈呭姪錛屼簬鏄竴澶у爢鐨勯棶棰樺氨鍑虹幇浜嗐€?/p> <p>娌℃湁绱㈠紩錛屾病鏈夌粺璁¤鍒掞紝娌℃湁鎵ц璁″垝錛岃繖灝辨槸kv鏁版嵁搴撱€?/p> <p>redis閲屽浣曟弧瓚充互涓婄殑闇€姹傚憿錛?瀵逛簬姹傛渶鏂扮殑N鏉℃暟鎹殑闇€姹傦紝閾捐〃鐨勫悗榪涘悗鍑虹殑鐗圭偣闈炲父閫傚悎銆傛垜浠湪涓婇潰鐨勭櫥褰曚唬鐮佷箣鍚庢坊鍔犱竴孌典唬鐮侊紝緇存姢涓€涓櫥褰曠殑閾捐〃錛屾帶鍒朵粬鐨勯暱搴︼紝浣垮緱閲岄潰姘歌繙淇濆瓨鐨勬槸鏈€榪戠殑N涓櫥褰曠敤鎴楓€?/p> <div class="wmqeeuq" id="highlighter_573324" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_573324_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_573324" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="comments">#鎶婂綋鍓嶇櫥褰曚漢娣誨姞鍒伴摼琛ㄩ噷</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>2</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">r.lpush(</code> <code class="string">"login:last_login_times"</code> <code class="plain">, uid)</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>3</code> </td> <td class="content"> <code class="comments">#淇濇寔閾捐〃鍙湁N浣?/code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>4</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">redis.ltrim(</code> <code class="string">"login:last_login_times"</code> <code class="plain">, </code> <code class="value">0</code> <code class="plain">, N</code> <code class="keyword">-</code> <code class="value">1</code> <code class="plain">)</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>榪欐牱闇€瑕佽幏寰楁渶鏂扮櫥褰曚漢鐨刬d錛屽涓嬬殑浠ｇ爜鍗沖彲</p> <div class="wmqeeuq" id="highlighter_620736" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_620736_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_620736" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="plain">last_login_list </code> <code class="keyword">=</code> <code class="plain">r.lrange(</code> <code class="string">"login:last_login_times"</code> <code class="plain">, </code> <code class="value">0</code> <code class="plain">, N</code> <code class="keyword">-</code> <code class="value">1</code> <code class="plain">)</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>鍙﹀錛屾眰鐧誨綍嬈℃暟鏈€澶氱殑浜猴紝瀵逛簬鎺掑簭錛岀Н鍒嗘榪欑被闇€姹傦紝sorted set闈炲父鐨勯€傚悎錛屾垜浠妸鐢ㄦ埛鍜岀櫥褰曟鏁扮粺涓€瀛樺偍鍦ㄤ竴涓猻orted set閲屻€?/p> <pre>zadd login:login_times 5 1 zadd login:login_times 1 2 zadd login:login_times 2 3</pre> <p>榪欐牱鍋囧鏌愪釜鐢ㄦ埛鐧誨綍錛岄澶栫淮鎶や竴涓猻orted set錛屼唬鐮佸姝?/p> <div class="wmqeeuq" id="highlighter_238323" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_238323_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_238323" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="comments">#瀵硅鐢ㄦ埛鐨勭櫥褰曟鏁拌嚜澧?</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>2</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">r.zincrby(</code> <code class="string">"login:login_times"</code> <code class="plain">, </code> <code class="value">1</code> <code class="plain">, uid)</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>閭ｄ箞濡備綍鑾峰緱鐧誨綍嬈℃暟鏈€澶氱殑鐢ㄦ埛鍛紝閫嗗簭鎺掑垪鍙栫殑鎺掑悕絎琋鐨勭敤鎴峰嵆鍙?/p> <div class="wmqeeuq" id="highlighter_286372" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_286372_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_286372" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="plain">ret </code> <code class="keyword">=</code> <code class="plain">r.zrevrange(</code> <code class="string">"login:login_times"</code> <code class="plain">, </code> <code class="value">0</code> <code class="plain">, N</code> <code class="keyword">-</code> <code class="value">1</code> <code class="plain">)</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>鍙互鐪嬪嚭錛孌EV闇€瑕佹坊鍔?琛屼唬鐮侊紝鑰孌BA涓嶉渶瑕佽€冭檻绱㈠紩浠€涔堢殑銆?/p> <h3>TAG緋葷粺</h3> <p>tag鍦ㄤ簰鑱旂綉搴旂敤閲屽挨鍏跺瑙侊紝濡傛灉浠ヤ紶緇熺殑鍏崇郴鍨嬫暟鎹簱鏉ヨ璁℃湁鐐逛笉浼︿笉綾匯€傛垜浠互鏌ユ壘涔︾殑渚嬪瓙鏉ョ湅鐪媟edis鍦ㄨ繖鏂歸潰鐨勪紭鍔褲€?/p> <h4>鍏崇郴鍨嬫暟鎹簱鐨勮璁?/h4> <p>涓ゅ紶琛紝涓€寮燽ook鐨勬槑緇嗭紝涓€寮爐ag琛紝琛ㄧず姣忔湰鐨則ag錛屼竴鏈功瀛樺湪澶氫釜tag銆?/p> <pre>mysql> select * from book; +------+-------------------------------+----------------+ | id | name | author | +------+-------------------------------+----------------+ | 1 | The Ruby Programming Language | Mark Pilgrim | | 1 | Ruby on rail | David Flanagan | | 1 | Programming Erlang | Joe Armstrong | +------+-------------------------------+----------------+ mysql> select * from tag; +---------+---------+ | tagname | book_id | +---------+---------+ | ruby | 1 | | ruby | 2 | | web | 2 | | erlang | 3 | +---------+---------+ 鍋囧鏈夊姝ら渶姹傦紝鏌ユ壘鍗蟲槸ruby鍙堟槸web鏂歸潰鐨勪功綾嶏紝濡傛灉浠ュ叧緋誨瀷鏁版嵁搴撲細(xì)鎬庝箞澶勭悊錛?/pre> <div class="wmqeeuq" id="highlighter_85473" class="syntaxhighlighter "> <div id="wmqeeuq" class="bar"> <div id="wmqeeuq" class="toolbar"> <a href="#viewSource" title="view source" style="width: 16px; height: 16px;" class="item viewSource">view source</a> <div id="wmqeeuq" class="item copyToClipboard"> <embed width="16" height="16" id="highlighter_85473_clipboard" type="application/x-shockwave-flash" title="copy to clipboard" allowscriptaccess="always" wmode="transparent" flashvars="highlighterId=highlighter_85473" menu="false" src="/js/syntax-highlighter-2.1.382/scripts/clipboard.swf"> </embed> </div> <a href="#printSource" title="print" style="width: 16px; height: 16px;" class="item printSource">print</a> <a href="#about" title="?" style="width: 16px; height: 16px;" class="item about">?</a> </div> </div> <div id="wmqeeuq" class="lines"> <div id="wmqeeuq" class="line alt1"> <table> <tbody> <tr> <td class="number"> <code>1</code> </td> <td class="content"> <code class="keyword">select</code> <code class="plain">b.</code> <code class="keyword">name</code> <code class="plain">, b.author聽 </code> <code class="keyword">from</code> <code class="plain">tag t1, tag t2, book b</code> </td> </tr> </tbody> </table> </div> <div id="wmqeeuq" class="line alt2"> <table> <tbody> <tr> <td class="number"> <code>2</code> </td> <td class="content"> <code class="keyword">where</code> <code class="plain">t1.tagname = </code> <code class="string">'web'</code> <code class="color1">and</code> <code class="plain">t2.tagname = </code> <code class="string">'ruby'</code> <code class="color1">and</code> <code class="plain">t1.book_id = t2.book_id </code> <code class="color1">and</code> <code class="plain">b.id = t1.book_id</code> </td> </tr> </tbody> </table> </div> </div> </div> <p>tag琛ㄨ嚜鍏寵仈2嬈″啀涓巄ook鍏寵仈錛岃繖涓猻ql榪樻槸姣旇緝澶嶆潅鐨勶紝濡傛灉瑕佹眰鍗硆uby錛屼絾涓嶆槸web鏂歸潰鐨勪功綾嶅憿錛?/p> <p>鍏崇郴鍨嬫暟鎹叾瀹炲茍涓嶅お閫傚悎榪欎簺闆嗗悎鎿嶄綔銆?/p> <h4>REDIS鐨勮璁?/h4> <p>棣栧厛book鐨勬暟鎹偗瀹氳瀛樺偍鐨勶紝鍜屼笂闈竴鏍楓€?/p> <pre>set book:1:name聽聽 聽鈥漈he Ruby Programming Language鈥? Set book:2:name聽聽 聽 鈥漅uby on rail鈥? Set book:3:name聽聽 聽 鈥漃rogramming Erlang鈥? set book:1:author聽聽 聽鈥滿ark Pilgrim鈥? Set book:2:author聽聽 聽 鈥滵avid Flanagan鈥? Set book:3:author聽聽 聽 鈥滼oe Armstrong鈥?/pre> <p>tag琛ㄦ垜浠嬌鐢ㄩ泦鍚堟潵瀛樺偍鏁版嵁錛屽洜涓洪泦鍚堟搮闀挎眰浜ら泦銆佸茍闆?/p> <pre>sadd tag:ruby 1 sadd tag:ruby 2 sadd tag:web 2 sadd tag:erlang 3</pre> <p>閭ｄ箞錛屽嵆灞炰簬ruby鍙堝睘浜巜eb鐨勪功錛?/p> <pre>inter_list = redis.sinter("tag.web", "tag:ruby")</pre> <p>鍗沖睘浜巖uby錛屼絾涓嶅睘浜巜eb鐨勪功錛?/p> <pre>inter_list = redis.sdiff("tag.ruby", "tag:web")</pre> <p>灞炰簬ruby鍜屽睘浜巜eb鐨勪功鐨勫悎闆嗭紵</p> <pre>inter_list = redis.sunion("tag.ruby", "tag:web")</pre> <p>綆€鍗曞埌涓嶈闃褲€?/p> <p>浠庝互涓?涓緥瀛愬彲浠ョ湅鍑哄湪鏌愪簺鍦烘櫙閲岋紝鍏崇郴鍨嬫暟鎹簱鏄笉澶€傚悎鐨勶紝浣犲彲鑳借兘澶熻璁″嚭婊¤凍闇€姹傜殑緋葷粺錛屼絾鎬繪槸鎰熻鐨勬€€殑錛屾湁縐嶇敓鎼‖濂楃殑鎰熻銆?/p> <p>灝ゅ叾鐧誨綍緋葷粺榪欎釜渚嬪瓙錛岄綣佺殑涓轟笟鍔″緩绔嬬儲寮曘€傛斁鍦ㄤ竴涓鏉傜殑緋葷粺閲岋紝ddl錛堝垱寤虹儲寮曪級鏈夊彲鑳芥敼鍙樻墽琛岃鍒掋€傚鑷村叾瀹冪殑sql閲囩敤涓嶅悓鐨勬墽琛岃 鍒掞紝涓氬姟澶嶆潅鐨勮€佺郴緇燂紝榪欎釜闂鏄緢闅鵑浼扮殑錛宻ql鍗冨鐧炬€€傝姹侱BA瀵硅繖涓郴緇熼噷鎵€鏈夌殑sql閮戒簡瑙ｏ紝榪欑偣澶毦浜嗐€傝繖涓棶棰樺湪oracle閲屽挨鍏朵弗 閲嶏紝姣忎釜DBA浼拌閮界鍒拌繃銆傚浜嶮ySQL榪欑被緋葷粺錛宒dl鍙堜笉鏂逛究錛堣櫧鐒剁幇鍦ㄦ湁online ddl鐨勬柟娉曪級銆傜鍒板ぇ琛紝DBA鍑屾櫒鐖搗鏉ュ湪涓氬姟浣庡嘲鏈熸搷浣滐紝榪欎簨鎴戞病灝戝共榪囥€傝€岃繖縐嶉渶姹傛斁鍒皉edis閲屽氨寰堝ソ澶勭悊錛孌BA浠呬粎瀵瑰閲忚繘琛岄浼板嵆鍙€?/p> <p>鏈潵鐨凮LTP緋葷粺搴旇鏄痥v鍜屽叧緋誨瀷鐨勭揣瀵嗙粨鍚堛€?/p> <p>鏉ユ簮錛?a target="_blank" rel="nofollow">www.hoterran.info</a></p> <div id="wmqeeuq" class="clear"> </div> </div> <img src ="http://www.aygfsteel.com/b47248054/aggbug/392724.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/b47248054/" target="_blank">錛堝寳浜級鏈ㄦ湪</a> 2012-12-10 14:03 <a href="http://www.aygfsteel.com/b47248054/articles/392724.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Redis紺轟緥閰嶇疆鏂囦歡 2.4http://www.aygfsteel.com/b47248054/articles/392723.html錛堝寳浜級鏈ㄦ湪錛堝寳浜級鏈ㄦ湪Mon, 10 Dec 2012 05:57:00 GMThttp://www.aygfsteel.com/b47248054/articles/392723.htmlhttp://www.aygfsteel.com/b47248054/comments/392723.htmlhttp://www.aygfsteel.com/b47248054/articles/392723.html#Feedback0http://www.aygfsteel.com/b47248054/comments/commentRss/392723.htmlhttp://www.aygfsteel.com/b47248054/services/trackbacks/392723.html # 聽Redis紺轟緥閰嶇疆鏂囦歡

# 聽娉ㄦ剰鍗曚綅闂錛氬綋闇€瑕佽緗唴瀛樺ぇ灝忕殑鏃跺€欙紝鍙互浣跨敤綾諱技1k銆?GB銆?M榪欐牱鐨勫父瑙佹牸寮忥細(xì)
#
# 聽1k聽=>聽1000聽bytes
# 聽1kb聽=>聽1024聽bytes
# 聽1m聽=>聽1000000聽bytes
# 聽1mb聽=>聽1024*1024聽bytes
# 聽1g聽=>聽1000000000聽bytes
# 聽1gb聽=>聽1024*1024*1024聽bytes
#
# 聽鍗曚綅鏄ぇ灝忓啓涓嶆晱鎰熺殑錛屾墍浠?GB聽1Gb聽1gB鐨勫啓娉曢兘鏄畬鍏ㄤ竴鏍風(fēng)殑銆?/span>

# 聽Redis榛樿鏄笉浣滀負(fù)瀹堟姢榪涚▼鏉ヨ繍琛岀殑銆備綘鍙互鎶婅繖涓緗負(fù)"yes"璁╁畠浣滀負(fù)瀹堟姢榪涚▼鏉ヨ繍琛屻€?/span>
# 聽娉ㄦ剰錛屽綋浣滀負(fù)瀹堟姢榪涚▼鐨勬椂鍊欙紝Redis浼?xì)鎶姌q涚▼ID鍐欏埌聽/var/run/redis.pid
daemonize聽no

 # 聽褰撲互瀹堟姢榪涚▼鏂瑰紡榪愯鐨勬椂鍊欙紝Redis浼?xì)鎶姌q涚▼ID榛樿鍐欏埌聽/var/run/redis.pid銆備綘鍙互鍦ㄨ繖閲屼慨鏀硅礬寰勩€?/span>
pidfile聽 / var / run / redis.pid

 # 聽鎺ュ彈榪炴帴鐨勭壒瀹氱鍙ｏ紝榛樿鏄?379銆?/span>
# 聽濡傛灉绔彛璁劇疆涓?錛孯edis灝變笉浼?xì)鐩戝惉TCP濂楁帴瀛椼€?/span>
port聽 6379

# 聽濡傛灉浣犳兂鐨勮瘽錛屼綘鍙互緇戝畾鍗曚竴鎺ュ彛錛涘鏋滆繖閲屾病鍗曠嫭璁劇疆錛岄偅涔堟墍鏈夋帴鍙ｇ殑榪炴帴閮戒細(xì)琚洃鍚€?/span>
#
# 聽bind聽127.0.0.1

# 聽鎸囧畾鐢ㄦ潵鐩戝惉榪炴帴鐨剈nxi濂楁帴瀛楃殑璺緞銆傝繖涓病鏈夐粯璁ゅ€鹼紝鎵€浠ュ鏋滀綘涓嶆寚瀹氱殑璇濓紝Redis灝變笉浼?xì)閫氳繃unix濂楁帴瀛楁潵鐩戝惉銆?/span>
#
# 聽unixsocket聽/tmp/redis.sock
# 聽unixsocketperm聽755

# 涓€涓鎴風(fēng)絀洪棽澶氬皯縐掑悗鍏抽棴榪炴帴銆?0浠ｈ〃紱佺敤錛屾案涓嶅叧闂?
timeout聽0

 # 聽璁劇疆鏈嶅姟鍣ㄨ皟璇曠瓑綰с€?/span>
# 聽鍙兘鍊鹼細(xì)
# 聽debug聽錛堝緢澶氫俊鎭紝瀵瑰紑鍙?嫻嬭瘯鏈夌敤錛?/span>
# 聽verbose聽錛堝緢澶氱簿綆€鐨勬湁鐢ㄤ俊鎭紝浣嗘槸涓嶅儚debug絳夌駭閭ｄ箞澶氾級
# 聽notice聽錛堥€傞噺鐨勪俊鎭紝鍩烘湰涓婃槸浣犵敓浜х幆澧冧腑闇€瑕佺殑紼嬪害錛?/span>
# 聽warning聽錛堝彧鏈夊緢閲嶈/涓ラ噸鐨勪俊鎭細(xì)璁板綍涓嬫潵錛?/span>
loglevel聽verbose

 # 聽鎸囨槑鏃ュ織鏂囦歡鍚嶃€備篃鍙互浣跨敤"stdout"鏉ュ己鍒惰Redis鎶婃棩蹇椾俊鎭啓鍒版爣鍑嗚緭鍑轟笂銆?/span>
# 聽娉ㄦ剰錛氬鏋淩edis浠ュ畧鎶よ繘紼嬫柟寮忚繍琛岋紝鑰屼綘璁劇疆鏃ュ織鏄劇ず鍒版爣鍑嗚緭鍑虹殑璇濓紝閭ｄ箞鏃ュ織浼?xì)鍙戦€佸埌聽/dev/null
logfile聽stdout

 # 聽瑕佷嬌鐢ㄧ郴緇熸棩蹇楄褰曞櫒寰堢畝鍗曪紝鍙璁劇疆聽"syslog-enabled"聽涓郝?yes"聽灝卞彲浠ヤ簡銆?/span>
# 聽鐒跺悗鏍規(guī)嵁闇€瑕佽緗叾浠栦竴浜泂yslog鍙傛暟灝卞彲浠ヤ簡銆?/span>
# 聽syslog-enabled聽no

# 聽鎸囨槑syslog韜喚
# 聽syslog-ident聽redis

# 聽鎸囨槑syslog鐨勮澶囥€傚繀欏繪槸涓€涓敤鎴鋒垨鑰呮槸聽LOCAL0聽~聽LOCAL7聽涔嬩竴銆?/span>
# 聽syslog-facility聽local0

# 聽璁劇疆鏁版嵁搴撲釜鏁般€傞粯璁ゆ暟鎹簱鏄燚B聽0錛屼綘鍙互閫氳繃SELECT聽<dbid>聽WHERE聽dbid錛?锝?databases'聽-聽1錛夋潵涓烘瘡涓繛鎺ヤ嬌鐢ㄤ笉鍚岀殑鏁版嵁搴撱€?/span>
databases聽 16

# ###############################聽蹇収聽#################################

#
# 聽鎶婃暟鎹簱瀛樺埌紓佺洏涓?
#
# 聽聽聽save聽<seconds>聽<changes>
# 聽聽聽
# 聽聽聽浼?xì)鍦ㄦ寚瀹毧U掓暟鍜屾暟鎹彉鍖栨鏁頒箣鍚庢妸鏁版嵁搴撳啓鍒扮鐩樹笂銆?/span>
#
# 聽聽聽涓嬮潰鐨勪緥瀛愬皢浼?xì)杩涜鎶婃暟鎹啓鍏ゼ倎鐩樼殑鎿嶄?
# 聽聽聽900縐掞紙15鍒嗛挓錛変箣鍚庯紝涓旇嚦灝?嬈″彉鏇?/span>
# 聽聽聽300縐掞紙5鍒嗛挓錛変箣鍚庯紝涓旇嚦灝?0嬈″彉鏇?/span>
# 聽聽聽60縐掍箣鍚庯紝涓旇嚦灝?0000嬈″彉鏇?/span>
#
# 聽聽聽娉ㄦ剰錛氫綘瑕佹兂涓嶅啓紓佺洏鐨勮瘽灝辨妸鎵€鏈壜?save"聽璁劇疆娉ㄩ噴鎺夊氨琛屼簡銆?/span>

save聽 900 聽 1
save聽 300 聽 10
save聽 60 聽 10000

# 聽褰撳鍑哄埌聽.rdb聽鏁版嵁搴撴椂鏄惁鐢↙ZF鍘嬬緝瀛楃涓插璞°€?/span>
# 聽榛樿璁劇疆涓郝?yes"錛屾墍浠ュ嚑涔庢€繪槸鐢熸晥鐨勩€?/span>
# 聽濡傛灉浣犳兂鑺傜渷CPU鐨勮瘽浣犲彲浠ユ妸榪欎釜璁劇疆涓郝?no"錛屼絾鏄鏋滀綘鏈夊彲鍘嬬緝鐨刱ey鐨勮瘽錛岄偅鏁版嵁鏂囦歡灝變細(xì)鏇村ぇ浜嗐€?/span>
rdbcompression聽yes

 # 聽鏁版嵁搴撶殑鏂囦歡鍚?/span>
dbfilename聽dump.rdb

 # 聽宸ヤ綔鐩綍
#
# 聽鏁版嵁搴撲細(xì)鍐欏埌榪欎釜鐩綍涓嬶紝鏂囦歡鍚嶅氨鏄笂闈㈢殑聽"dbfilename"聽鐨勫€箋€?/span>
# 聽
# 聽绱姞鏂囦歡涔熸斁榪欓噷銆?/span>
# 聽
# 聽娉ㄦ剰浣犺繖閲屾寚瀹氱殑蹇呴』鏄洰褰曪紝涓嶆槸鏂囦歡鍚嶃€?/span>
dir聽. /

# ################################聽鍚屾聽#################################

#
# 聽涓諱粠鍚屾銆傞€氳繃聽slaveof聽閰嶇疆鏉ュ疄鐜癛edis瀹炰緥鐨勫浠姐€?/span>
# 聽娉ㄦ剰錛岃繖閲屾槸鏈湴浠庤繙绔鍒舵暟鎹€備篃灝辨槸璇達紝鏈湴鍙互鏈変笉鍚岀殑鏁版嵁搴撴枃浠躲€佺粦瀹氫笉鍚岀殑IP銆佺洃鍚笉鍚岀殑绔彛銆?/span>
#
# 聽slaveof聽<masterip>聽<masterport>

# 聽濡傛灉master璁劇疆浜嗗瘑鐮侊紙閫氳繃涓嬮潰鐨劼?requirepass"聽閫夐」鏉ラ厤緗級錛岄偅涔坰lave鍦ㄥ紑濮嬪悓姝ヤ箣鍓嶅繀欏昏繘琛岃韓浠介獙璇侊紝鍚﹀垯瀹冪殑鍚屾璇鋒眰浼?xì)琚嫆缁濄€?/span>
#
# 聽masterauth聽<master-password>

# 聽褰撲竴涓猻lave澶卞幓鍜宮aster鐨勮繛鎺ワ紝鎴栬€呭悓姝ユ鍦ㄨ繘琛屼腑錛宻lave鐨勮涓烘湁涓ょ鍙兘錛?/span>
#
# 聽1)聽濡傛灉聽slave-serve-stale-data聽璁劇疆涓郝?yes"聽(榛樿鍊?錛宻lave浼?xì)鐟艟l搷搴斿鎴風(fēng)璇鋒眰錛屽彲鑳芥槸姝ｅ父鏁版嵁錛屼篃鍙兘鏄繕娌¤幏寰楀€肩殑絀烘暟鎹€?/span>
# 聽2)聽濡傛灉聽slave-serve-stale-data聽璁劇疆涓郝?no"錛宻lave浼?xì)鍥炲?姝ｅ湪浠巑aster鍚屾錛圫YNC聽with聽master聽in聽progress錛?鏉ュ鐞嗗悇縐嶈姹傦紝闄や簡聽INFO聽鍜屄燬LAVEOF聽鍛戒護銆?/span>
#
 slave - serve - stale - data聽yes

 # 聽slave鏍規(guī)嵁鎸囧畾鐨勬椂闂撮棿闅斿悜鏈嶅姟鍣ㄥ彂閫乸ing璇鋒眰銆?/span>
# 聽鏃墮棿闂撮殧鍙互閫氳繃聽repl_ping_slave_period聽鏉ヨ緗€?/span>
# 聽榛樿10縐掋€?/span>
#
# 聽repl-ping-slave-period聽10

# 聽涓嬮潰鐨勯€夐」璁劇疆浜嗗ぇ鍧楁暟鎹甀/O銆佸悜master璇鋒眰鏁版嵁鍜宲ing鍝嶅簲鐨勮繃鏈熸椂闂淬€?/span>
# 聽榛樿鍊?0縐掋€?/span>
#
# 聽涓€涓緢閲嶈鐨勪簨鎯呮槸錛氱‘淇濊繖涓€兼瘮聽repl-ping-slave-period聽澶э紝鍚﹀垯master鍜宻lave涔嬮棿鐨勪紶杈撹繃鏈熸椂闂存瘮棰勬兂鐨勮鐭€?/span>
#
# 聽repl-timeout聽60

# #################################聽瀹夊叏聽###################################

# 聽瑕佹眰瀹㈡埛绔湪澶勭悊浠諱綍鍛戒護鏃墮兘瑕侀獙璇佽韓浠藉拰瀵嗙爜銆?/span>
# 聽榪欏湪浣犱俊涓嶈繃鏉ヨ鑰呮椂寰堟湁鐢ㄣ€?/span>
#
# 聽涓轟簡鍚戝悗鍏煎鐨勮瘽錛岃繖孌靛簲璇ユ敞閲婃帀銆傝€屼笖澶у鏁頒漢涓嶉渶瑕佽韓浠介獙璇侊紙渚嬪錛氬畠浠繍琛屽湪鑷繁鐨勬湇鍔″櫒涓娿€傦級
# 聽
# 聽璀﹀憡錛氬洜涓篟edis澶揩浜嗭紝鎵€浠ュ眳蹇冧笉鑹殑浜哄彲浠ユ瘡縐掑皾璇?50k鐨勫瘑鐮佹潵璇曞浘鐮磋В瀵嗙爜銆?/span>
# 聽榪欐剰鍛崇潃浣犻渶瑕佷竴涓珮寮哄害鐨勫瘑鐮侊紝鍚﹀垯鐮磋В澶鏄撲簡銆?/span>
#
# 聽requirepass聽foobared

# 聽鍛戒護閲嶅懡鍚?/span>
#
# 聽鍦ㄥ叡浜幆澧冧笅錛屽彲浠ヤ負(fù)鍗遍櫓鍛戒護鏀瑰彉鍚嶅瓧銆傛瘮濡傦紝浣犲彲浠ヤ負(fù)聽CONFIG聽鏀逛釜鍏朵粬涓嶅お瀹規(guī)槗鐚滃埌鐨勫悕瀛楋紝榪欐牱浣犺嚜宸變粛鐒跺彲浠ヤ嬌鐢紝鑰屽埆浜哄嵈娌℃硶鍋氬潖浜嬩簡銆?/span>
#
# 聽渚嬪:
#
# 聽rename-command聽CONFIG聽b840fc02d524045429941cc15f59e41cb7be6c52
#
# 聽鐢氳嚦涔熷彲浠ラ€氳繃緇欏懡浠よ祴鍊間竴涓┖瀛楃涓叉潵瀹屽叏紱佺敤榪欐潯鍛戒護錛?/span>
#
# 聽rename-command聽CONFIG聽""

# ##################################聽闄愬埗聽####################################

#
# 聽璁劇疆鏈€澶氬悓鏃惰繛鎺ュ鎴風(fēng)鏁伴噺銆?/span>
# 聽榛樿娌℃湁闄愬埗錛岃繖涓叧緋誨埌Redis榪涚▼鑳藉鎵撳紑鐨勬枃浠舵弿榪扮鏁伴噺銆?/span>
# 聽鐗規(guī)畩鍊?0"琛ㄧず娌℃湁闄愬埗銆?/span>
# 聽涓€鏃﹁揪鍒拌繖涓檺鍒訛紝Redis浼?xì)鍏抽棴鎵€鏈夋柊榪炴帴騫跺彂閫侀敊璇?杈懼埌鏈€澶х敤鎴鋒暟涓婇檺錛坢ax聽number聽of聽clients聽reached錛?
#
# 聽maxclients聽128

# 聽涓嶈鐢ㄦ瘮璁劇疆鐨勪笂闄愭洿澶氱殑鍐呭瓨銆備竴鏃﹀唴瀛樹嬌鐢ㄨ揪鍒頒笂闄愶紝Redis浼?xì)鏍规嵁閫夊畾鐨勫洖鏀剁瓥鐣ワ紙鍙傝錛歮axmemmory-policy錛夊垹闄ey銆?/span>
#
# 聽濡傛灉鍥犱負(fù)鍒犻櫎絳栫暐闂Redis鏃犳硶鍒犻櫎key錛屾垨鑰呯瓥鐣ヨ緗負(fù)聽"noeviction"錛孯edis浼?xì)鍥炲闇€瑕佹洿澶氬唴瀛樼殑閿欒淇℃伅緇欏懡浠ゃ€?/span>
# 聽渚嬪錛孲ET,LPUSH絳夌瓑銆備絾鏄細(xì)緇х畫鍚堢悊鍝嶅簲鍙鍛戒護錛屾瘮濡傦細(xì)GET銆?/span>
#
# 聽鍦ㄤ嬌鐢≧edis浣滀負(fù)LRU緙撳瓨錛屾垨鑰呬負(fù)瀹炰緥璁劇疆浜嗙‖鎬у唴瀛橀檺鍒剁殑鏃跺€欙紙浣跨敤聽"noeviction"聽絳栫暐錛夌殑鏃跺€欙紝榪欎釜閫夐」榪樻槸婊℃湁鐢ㄧ殑銆?/span>
#
# 聽璀﹀憡錛氬綋涓€鍫唖lave榪炰笂杈懼埌鍐呭瓨涓婇檺鐨勫疄渚嬬殑鏃跺€欙紝鍝嶅簲slave闇€瑕佺殑杈撳嚭緙撳瓨鎵€闇€鍐呭瓨涓嶈綆楀湪浣跨敤鍐呭瓨褰撲腑銆?/span>
# 聽榪欐牱褰撹姹備竴涓垹闄ゆ帀鐨刱ey鐨勬椂鍊欏氨涓嶄細(xì)瑙﹀彂緗戠粶闂錛忛噸鏂板悓姝ョ殑浜嬩歡錛岀劧鍚巗lave灝變細(xì)鏀跺埌涓€鍫嗗垹闄ゆ寚浠わ紝鐩村埌鏁版嵁搴撶┖浜嗕負(fù)姝€€?/span>
#
# 聽綆€鑰岃█涔嬶紝濡傛灉浣犳湁slave榪炰笂涓€涓猰aster鐨勮瘽錛岄偅寤鴻浣犳妸master鍐呭瓨闄愬埗璁懼皬鐐瑰効錛岀‘淇濇湁瓚沖鐨勭郴緇熷唴瀛樼敤浣滆緭鍑虹紦瀛樸€?/span>
# 聽錛堝鏋滅瓥鐣ヨ緗負(fù)"noeviction"鐨勮瘽灝變笉鏃犳墍璋撲簡錛?/span>
#
# 聽maxmemory聽<bytes>

# 聽鍐呭瓨絳栫暐錛氬鏋滆揪鍒板唴瀛橀檺鍒朵簡錛孯edis濡備綍鍒犻櫎key銆備綘鍙互鍦ㄤ笅闈簲涓瓥鐣ラ噷闈㈤€夛細(xì)
# 聽
# 聽volatile-lru聽->聽鏍規(guī)嵁LRU綆楁硶鐢熸垚鐨勮繃鏈熸椂闂存潵鍒犻櫎銆?/span>
# 聽allkeys-lru聽->聽鏍規(guī)嵁LRU綆楁硶鍒犻櫎浠諱綍key銆?/span>
# 聽volatile-random聽->聽鏍規(guī)嵁榪囨湡璁劇疆鏉ラ殢鏈哄垹闄ey銆?/span>
# 聽allkeys->random聽->聽鏃犲樊鍒殢鏈哄垹銆?/span>
# 聽volatile-ttl聽->聽鏍規(guī)嵁鏈€榪戣繃鏈熸椂闂存潵鍒犻櫎錛堣緟浠TL錛?/span>
# 聽noeviction聽->聽璋佷篃涓嶅垹錛岀洿鎺ュ湪鍐欐搷浣滄椂榪斿洖閿欒銆?/span>
# 聽
# 聽娉ㄦ剰錛氬鎵€鏈夌瓥鐣ユ潵璇達紝濡傛灉Redis鎵句笉鍒板悎閫傜殑鍙互鍒犻櫎鐨刱ey閮戒細(xì)鍦ㄥ啓鎿嶄綔鏃惰繑鍥炰竴涓敊璇€?/span>
#
# 聽聽聽聽聽聽聽榪欓噷娑夊強鐨勫懡浠わ細(xì)set聽setnx聽setex聽append
# 聽聽聽聽聽聽聽incr聽decr聽rpush聽lpush聽rpushx聽lpushx聽linsert聽lset聽rpoplpush聽sadd
# 聽聽聽聽聽聽聽sinter聽sinterstore聽sunion聽sunionstore聽sdiff聽sdiffstore聽zadd聽zincrby
# 聽聽聽聽聽聽聽zunionstore聽zinterstore聽hset聽hsetnx聽hmset聽hincrby聽incrby聽decrby
# 聽聽聽聽聽聽聽getset聽mset聽msetnx聽exec聽sort
#
# 聽榛樿鍊煎涓嬶細(xì)
#
# 聽maxmemory-policy聽volatile-lru

# 聽LRU鍜屾渶灝廡TL綆楁硶鐨勫疄鐜伴兘涓嶆槸寰堢簿紜紝浣嗘槸寰堟帴榪戯紙涓轟簡鐪佸唴瀛橈級錛屾墍浠ヤ綘鍙互鐢ㄦ牱渚嬪仛嫻嬭瘯銆?/span>
# 聽渚嬪錛氶粯璁edis浼?xì)妫€鏌ヤ笁涓猭ey鐒跺悗鍙栨渶鏃х殑閭ｄ釜錛屼綘鍙互閫氳繃涓嬮潰鐨勯厤緗」鏉ヨ緗牱鏈殑涓暟銆?/span>
#
# 聽maxmemory-samples聽3

# #############################聽綰瘡鍔犳ā寮徛?##############################

# 聽榛樿鎯呭喌涓嬶紝Redis鏄紓姝ョ殑鎶婃暟鎹鍑哄埌紓佺洏涓娿€傝繖縐嶆儏鍐典笅錛屽綋Redis鎸傛帀鐨勬椂鍊欙紝鏈€鏂扮殑鏁版嵁灝變涪浜嗐€?/span>
# 聽濡傛灉涓嶅笇鏈涗涪鎺変換浣曚竴鏉℃暟鎹殑璇濆氨璇ョ敤綰瘡鍔犳ā寮忥細(xì)涓€鏃﹀紑鍚繖涓ā寮忥紝Redis浼?xì)鎶婃瘡娆″啓鍏ョ殑鏁版嵁鍦ㄦ帴鏀跺悗閮藉啓鍏ヂ燼ppendonly.aof聽鏂囦歡銆?/span>
# 聽姣忔鍚姩鏃禦edis閮戒細(xì)鎶婅繖涓枃浠剁殑鏁版嵁璇誨叆鍐呭瓨閲屻€?/span>
#
# 聽娉ㄦ剰錛屽紓姝ュ鍑虹殑鏁版嵁搴撴枃浠跺拰綰瘡鍔犳枃浠跺彲浠ュ茍瀛橈紙浣犲緱鎶婁笂闈㈡墍鏈?save"璁劇疆閮芥敞閲婃帀錛屽叧鎺夊鍑烘満鍒訛級銆?/span>
# 聽濡傛灉綰瘡鍔犳ā寮忓紑鍚簡錛岄偅涔圧edis浼?xì)鍦ㄥ惎鍔ㄦ椂铦插叆鏃ュ織鏂囦欢鑰屽拷鐣ュ鍑虹殑聽dump.rdb聽鏂囦歡銆?/span>
#
# 聽閲嶈錛氭煡鐪嬄燘GREWRITEAOF聽鏉ヤ簡瑙ｅ綋绱姞鏃ュ織鏂囦歡澶ぇ浜嗕箣鍚庯紝鎬庝箞鍦ㄥ悗鍙伴噸鏂板鐞嗚繖涓棩蹇楁枃浠躲€?/span>

appendonly聽no

 # 聽綰瘡鍔犳枃浠跺悕瀛楋紙榛樿錛?appendonly.aof"錛?/span>
# 聽appendfilename聽appendonly.aof

# 聽fsync()聽璇鋒眰鎿嶄綔緋葷粺椹笂鎶婃暟鎹啓鍒扮鐩樹笂錛屼笉瑕佸啀絳変簡銆?/span>
# 聽鏈変簺鎿嶄綔緋葷粺浼?xì)鐪熺殑鎶婃暟鎹┈涓婂埛鍒凹倎鐩樹笂锛涙湁浜涘垯瑕伡偍韫竴涓嬶紝浣嗘槸浼?xì)灏藉揩鍘诲仛銆?/span>
#
# 聽Redis鏀寔涓夌涓嶅悓鐨勬ā寮忥細(xì)
#
# 聽no錛氫笉瑕佺珛鍒誨埛錛屽彧鏈夊湪鎿嶄綔緋葷粺闇€瑕佸埛鐨勬椂鍊欏啀鍒楓€傛瘮杈冨揩銆?/span>
# 聽always錛氭瘡嬈″啓鎿嶄綔閮界珛鍒誨啓鍏ュ埌aof鏂囦歡銆傛參錛屼絾鏄渶瀹夊叏銆?/span>
# 聽everysec錛氭瘡縐掑啓涓€嬈°€傛姌琛鋒柟妗堛€?/span>
#
# 聽榛樿鐨劼?everysec"聽閫氬父鏉ヨ鑳藉湪閫熷害鍜屾暟鎹畨鍏ㄦ€т箣闂村彇寰楁瘮杈冨ソ鐨勫鉤琛°€?/span>
# 聽濡傛灉浣犵湡鐨勭悊瑙ｄ簡榪欎釜鎰忓懗鐫€浠€涔堬紝閭ｄ箞璁劇疆"no"鍙互鑾峰緱鏇村ソ鐨勬€ц兘琛ㄧ幇錛堝鏋滀涪鏁版嵁鐨勮瘽錛屽垯鍙兘鎷垮埌涓€涓笉鏄緢鏂扮殑蹇収錛夛紱
# 聽鎴栬€呯浉鍙嶇殑錛屼綘閫夋嫨聽"always"聽鏉ョ壓鐗查€熷害紜繚鏁版嵁瀹夊叏銆佸畬鏁淬€?/span>
#
# 聽濡傛灉鎷夸笉鍑嗭紝灝辯敤聽"everysec"

# 聽appendfsync聽always
appendfsync聽everysec
 # 聽appendfsync聽no

# 聽濡傛灉AOF鐨勫悓姝ョ瓥鐣ヨ緗垚聽"always"聽鎴栬€吢?everysec"錛岄偅涔堝悗鍙扮殑瀛樺偍榪涚▼錛堝悗鍙板瓨鍌ㄦ垨鍐欏叆AOF鏃ュ織錛変細(xì)浜х敓寰堝紓佺洏I(yè)/O寮€閿€銆?/span>
# 聽鏌愪簺Linux鐨勯厤緗笅浼?xì)鋴蒖edis鍥犱負(fù)聽fsync()聽鑰岄樆濉炲緢涔呫€?/span>
# 聽娉ㄦ剰錛岀洰鍓嶅榪欎釜鎯呭喌榪樻病鏈夊畬緹庝慨姝ｏ紝鐢氳嚦涓嶅悓綰跨▼鐨劼爁sync()聽浼?xì)闃诲鎴戜滑鐨劼爓rite(2)聽璇鋒眰銆?/span>
#
# 聽涓轟簡緙撹В榪欎釜闂錛屽彲浠ョ敤涓嬮潰榪欎釜閫夐」銆傚畠鍙互鍦燘GSAVE聽鎴柭燘GREWRITEAOF聽澶勭悊鏃墮樆姝⒙爁sync()銆?/span>
# 聽
# 聽榪欏氨鎰忓懗鐫€濡傛灉鏈夊瓙榪涚▼鍦ㄨ繘琛屼繚瀛樻搷浣滐紝閭ｄ箞Redis灝卞浜?涓嶅彲鍚屾"鐨勭姸鎬併€?/span>
# 聽榪欏疄闄呬笂鏄錛屽湪鏈€宸殑鎯呭喌涓嬪彲鑳戒細(xì)涓㈡帀30縐掗挓鐨勬棩蹇楁暟鎹€傦紙榛樿Linux璁懼畾錛?/span>
# 聽
# 聽濡傛灉浣犳湁寤惰繜鐨勯棶棰橀偅灝辨妸榪欎釜璁句負(fù)聽"yes"錛屽惁鍒欏氨淇濇寔聽"no"錛岃繖鏄繚瀛樻寔涔呮暟鎹殑鏈€瀹夊叏鐨勬柟寮忋€?/span>
no - appendfsync - on - rewrite聽no

 # 聽鑷姩閲嶅啓AOF鏂囦歡
#
# 聽濡傛灉AOF鏃ュ織鏂囦歡澶у埌鎸囧畾鐧懼垎姣旓紝Redis鑳藉閫氳繃聽BGREWRITEAOF聽鑷姩閲嶅啓AOF鏃ュ織鏂囦歡銆?/span>
# 聽
# 聽宸ヤ綔鍘熺悊錛歊edis璁頒綇涓婃閲嶅啓鏃禔OF鏃ュ織鐨勫ぇ灝忥紙鎴栬€呴噸鍚悗娌℃湁鍐欐搷浣滅殑璇濓紝閭ｅ氨鐩存帴鐢ㄦ鏃剁殑AOF鏂囦歡錛夛紝
# 聽聽聽聽聽聽聽聽聽聽聽鍩哄噯灝哄鍜屽綋鍓嶅昂瀵稿仛姣旇緝銆傚鏋滃綋鍓嶅昂瀵歌秴榪囨寚瀹氭瘮渚嬶紝灝變細(xì)瑙﹀彂閲嶅啓鎿嶄綔銆?/span>
#
# 聽浣犺繕闇€瑕佹寚瀹氳閲嶅啓鏃ュ織鐨勬渶灝忓昂瀵革紝榪欐牱閬垮厤浜嗚揪鍒扮害瀹氱櫨鍒嗘瘮浣嗗昂瀵鎬粛鐒跺緢灝忕殑鎯呭喌榪樿閲嶅啓銆?/span>
#
# 聽鎸囧畾鐧懼垎姣斾負(fù)0浼?xì)绂佺敤AOF鑷姩閲嶅啓鐗規(guī)€с€?/span>

auto - aof - rewrite - percentage聽 100
auto - aof - rewrite - min - size聽64mb

 # #################################聽鎱㈡煡璇㈡棩蹇椔?##################################

# 聽Redis鎱㈡煡璇㈡棩蹇楀彲浠ヨ褰曡秴榪囨寚瀹氭椂闂寸殑鏌ヨ銆傝繍琛屾椂闂翠笉鍖呮嫭鍚勭I/O鏃墮棿銆?/span>
# 聽渚嬪錛氳繛鎺ュ鎴風(fēng)錛屽彂閫佸搷搴旀暟鎹瓑銆傚彧璁＄畻鍛戒護榪愯鐨勫疄闄呮椂闂達紙榪欐槸鍞竴涓€縐嶅懡浠よ繍琛岀嚎紼嬮樆濉炶€屾棤娉曞悓鏃朵負(fù)鍏朵粬璇鋒眰鏈嶅姟鐨勫満鏅級
# 聽
# 聽浣犲彲浠ヤ負(fù)鎱㈡煡璇㈡棩蹇楅厤緗袱涓弬鏁幫細(xì)涓€涓槸瓚呮爣鏃墮棿錛屽崟浣嶄負(fù)寰錛岃褰曡秴榪囦釜鏃墮棿鐨勫懡浠ゃ€?/span>
# 聽鍙︿竴涓槸鎱㈡煡璇㈡棩蹇楅暱搴︺€傚綋涓€涓柊鐨勫懡浠よ鍐欒繘鏃ュ織鐨勬椂鍊欙紝鏈€鑰佺殑閭ｄ釜璁板綍浼?xì)琚垹鎺夈€?/span>
#
# 聽涓嬮潰鐨勬椂闂村崟浣嶆槸寰錛屾墍浠?000000灝辨槸1縐掋€傛敞鎰忥紝璐熸暟鏃墮棿浼?xì)绂佺敤鎱㈡煡璇㈡棩蹇楀Q岃€?鍒欎細(xì)寮哄埗璁板綍鎵€鏈夊懡浠ゃ€?/span>
slowlog - log - slower - than聽 10000

# 聽榪欎釜闀垮害娌℃湁闄愬埗銆傚彧瑕佹湁瓚沖鐨勫唴瀛樺氨琛屻€備綘鍙互閫氳繃聽SLOWLOG聽RESET聽鏉ラ噴鏀懼唴瀛樸€傦紙璇戣€呮敞錛氭棩蹇楀眳鐒舵槸鍦ㄥ唴瀛橀噷鐨凮rz錛?/span>
slowlog - max - len聽 128

# ###############################聽铏氭嫙鍐呭瓨聽###############################

# ##聽璀﹀憡錛佽櫄鎷熷唴瀛樺湪Redis聽2.4鏄弽瀵圭殑銆?/span>
# ##聽闈炲父涓嶉紦鍔變嬌鐢ㄨ櫄鎷熷唴瀛橈紒錛?/span>

# 聽铏氭嫙鍐呭瓨鍙互浣縍edis鍦ㄥ唴瀛樹笉澶熺殑鎯呭喌涓嬩粛鐒跺彲浠ュ皢鎵€鏈夋暟鎹簭鍒椾繚瀛樺湪鍐呭瓨閲屻€?/span>
# 聽涓轟簡鍋氬埌榪欎竴鐐癸紝楂橀key浼?xì)璋冨埌鍐呭瓨閲屽Q岃€屼綆棰慿ey浼?xì)铦{鍒頒氦鎹㈡枃浠墮噷錛屽氨鍍忔搷浣滅郴緇熶嬌鐢ㄥ唴瀛橀〉涓€鏍楓€?/span>
#
# 聽瑕佷嬌鐢ㄨ櫄鎷熷唴瀛橈紝鍙鎶娐?vm-enabled"聽璁劇疆涓郝?yes"錛屽茍鏍規(guī)嵁闇€瑕佽緗笅闈笁涓櫄鎷熷唴瀛樺弬鏁板氨鍙互浜嗐€?/span>

vm - enabled聽no
 # 聽vm-enabled聽yes

# 聽榪欐槸浜ゆ崲鏂囦歡鐨勮礬寰勩€備及璁′綘鐚滃埌浜嗭紝浜ゆ崲鏂囦歡涓嶈兘鍦ㄥ涓猂edis瀹炰緥涔嬮棿鍏變韓錛屾墍浠ョ‘淇濇瘡涓猂edis瀹炰緥浣跨敤涓€涓嫭绔嬩氦鎹㈡枃浠躲€?/span>
#
# 聽鏈€濂界殑淇濆瓨浜ゆ崲鏂囦歡錛堣闅忔満璁塊棶錛夌殑浠嬭川鏄浐鎬佺‖鐩橈紙SSD錛夈€?/span>
#
# 聽***聽璀﹀憡聽***聽濡傛灉浣犱嬌鐢ㄥ叡浜富鏈猴紝閭ｄ箞榛樿鐨勪氦鎹㈡枃浠舵斁鍒奧?tmp聽涓嬫槸涓嶅畨鍏ㄧ殑銆?/span>
# 聽鍒涘緩涓€涓猂edis鐢ㄦ埛鍙啓鐨勭洰褰曪紝騫墮厤緗甊edis鍦ㄨ繖閲屽垱寤轟氦鎹㈡枃浠躲€?/span>
vm - swap - file聽 / tmp / redis.swap

 # 聽"vm-max-memory"聽閰嶇疆铏氭嫙鍐呭瓨鍙敤鐨勬渶澶у唴瀛樺閲忋€?/span>
# 聽濡傛灉浜ゆ崲鏂囦歡榪樻湁絀洪棿鐨勮瘽錛屾墍鏈夎秴鏍囬儴鍒嗛兘浼?xì)鏀惧堫C氦鎹㈡枃浠墮噷銆?/span>
#
# 聽"vm-max-memory"聽璁劇疆涓?琛ㄧず緋葷粺浼?xì)鐢ㄦ帀鎵€鏈夊彲鐢ㄥ唴瀛樸€?/span>
# 聽榪欓粯璁ゅ€間笉鍜嬪湴錛屽彧鏄妸浣犺兘鐢ㄧ殑鍐呭瓨鍏ㄧ敤鎺変簡錛岀暀鐐逛綑閲忎細(xì)鏇村ソ銆?/span>
# 聽渚嬪錛岃緗負(fù)鍓╀綑鍐呭瓨鐨?0%-80%銆?/span>
vm - max - memory聽0

 # 聽Redis浜ゆ崲鏂囦歡鏄垎鎴愬涓暟鎹〉鐨勩€?/span>
# 聽涓€涓彲瀛樺偍瀵硅薄鍙互琚繚瀛樺湪澶氫釜榪炵畫欏甸噷錛屼絾鏄竴涓暟鎹〉鏃犳硶琚涓璞″叡浜€?/span>
# 聽鎵€浠ワ紝濡傛灉浣犵殑鏁版嵁欏靛お澶э紝閭ｄ箞灝忓璞″氨浼?xì)娴匆?guī)帀寰堝絀洪棿銆?/span>
# 聽濡傛灉鏁版嵁欏靛お灝忥紝閭ｇ敤浜庡瓨鍌ㄧ殑浜ゆ崲絀洪棿灝變細(xì)鏇村皯錛堝亣瀹氫綘璁劇疆鐩稿悓鐨勬暟鎹〉鏁伴噺錛?/span>
#
# 聽濡傛灉浣犱嬌鐢ㄥ緢澶氬皬瀵硅薄錛屽緩璁垎欏靛昂瀵鎬負(fù)64鎴?2涓瓧鑺傘€?/span>
# 聽濡傛灉浣犱嬌鐢ㄥ緢澶氬ぇ瀵硅薄錛岄偅灝辯敤澶т竴浜涚殑灝哄銆?/span>
# 聽濡傛灉涓嶇‘瀹氾紝閭ｅ氨鐢ㄩ粯璁ゅ€悸?)
vm - page - size聽 32

# 聽浜ゆ崲鏂囦歡閲屾暟鎹〉鎬繪暟銆?/span>
# 聽鏍規(guī)嵁鍐呭瓨涓垎欏佃〃錛堝凡鐢?鏈敤鐨勬暟鎹〉鍒嗗竷鎯呭喌錛夛紝紓佺洏涓婃瘡8涓暟鎹〉浼?xì)娑堣€楀唴瀛橀噷1涓瓧鑺傘€?/span>
#
# 聽浜ゆ崲鍖哄閲徛?聽vm-page-size聽*聽vm-pages
#
# 聽鏍規(guī)嵁榛樿鐨?2瀛楄妭鐨勬暟鎹〉灝哄鍜?34217728鐨勬暟鎹〉鏁版潵綆楋紝Redis鐨勬暟鎹〉鏂囦歡浼?xì)鍗?GB錛岃€屽唴瀛橀噷鐨勫垎欏佃〃浼?xì)娑堣€?6MB鍐呭瓨銆?/span>
#
# 聽涓轟綘鐨勫簲楠岀▼搴忚緗渶灝忎笖澶熺敤鐨勬暟瀛楁瘮杈冨ソ錛屼笅闈㈣繖涓粯璁ゅ€煎湪澶у鏁版儏鍐典笅閮芥槸鍋忓ぇ鐨勩€?/span>
vm - pages聽 134217728

# 聽鍚屾椂鍙繍琛岀殑铏氭嫙鍐呭瓨I(yè)/O綰跨▼鏁般€?/span>
# 聽榪欎簺綰跨▼鍙互瀹屾垚浠庝氦鎹㈡枃浠惰繘琛屾暟鎹鍐欑殑鎿嶄綔錛屼篃鍙互澶勭悊鏁版嵁鍦ㄥ唴瀛樹笌紓佺洏闂寸殑浜や簰鍜岀紪鐮?瑙ｇ爜澶勭悊銆?/span>
# 聽澶氫竴浜涚嚎紼嬪彲浠ヤ竴瀹氱▼搴︿笂鎻愰珮澶勭悊鏁堢巼錛岃櫧鐒禝/O鎿嶄綔鏈韓渚濊禆浜庣墿鐞嗚澶囩殑闄愬埗錛屼笉浼?xì)鍥犱负鏇村鐨劸U跨▼鑰屾彁楂樺崟嬈¤鍐欐搷浣滅殑鏁堢巼銆?/span>
#
# 聽鐗規(guī)畩鍊?浼?xì)鍏抽棴绾拷E嬬駭I/O錛屽茍浼?xì)寮€鍚樆濉炶櫄鎷熷唴瀛樻満鍒躲€?/span>
vm - max - threads聽 4

# ##############################聽楂樼駭閰嶇疆聽###############################

# 聽褰撴湁澶ч噺鏁版嵁鏃訛紝閫傚悎鐢ㄥ搱甯岀紪鐮侊紙闇€瑕佹洿澶氱殑鍐呭瓨錛夛紝鍏冪礌鏁伴噺涓婇檺涓嶈兘瓚呰繃緇欏畾闄愬埗銆?/span>
# 聽浣犲彲浠ラ€氳繃涓嬮潰鐨勯€夐」鏉ヨ瀹氳繖浜涢檺鍒訛細(xì)
hash - max - zipmap - entries聽 512
hash - max - zipmap - value聽 64

# 聽涓庡搱甯岀浉綾諱技錛屾暟鎹厓绱犺緝?yōu)畱鐨勬儏鍐典笅锛屽彲浠ョ敤鍙︿竴縐嶆柟寮忔潵緙栫爜浠庤€岃妭鐪佸ぇ閲忕┖闂淬€?/span>
# 聽榪欑鏂瑰紡鍙湁鍦ㄧ鍚堜笅闈㈤檺鍒剁殑鏃跺€欐墠鍙互鐢細(xì)
list - max - ziplist - entries聽 512
list - max - ziplist - value聽 64

# 聽榪樻湁榪欐牱涓€縐嶇壒孌婄紪鐮佺殑鎯呭喌錛氭暟鎹叏鏄?4浣嶆棤絎﹀彿鏁村瀷鏁板瓧鏋勬垚鐨勫瓧絎︿覆銆?/span>
# 聽涓嬮潰榪欎釜閰嶇疆欏瑰氨鏄敤鏉ラ檺鍒惰繖縐嶆儏鍐典笅浣跨敤榪欑緙栫爜鐨勬渶澶т笂闄愮殑銆?/span>
set - max - intset - entries聽 512

# 聽涓庣涓€銆佺浜岀鎯呭喌鐩鎬技錛屾湁搴忓簭鍒椾篃鍙互鐢ㄤ竴縐嶇壒鍒殑緙栫爜鏂瑰紡鏉ュ鐞嗭紝鍙妭鐪佸ぇ閲忕┖闂淬€?/span>
# 聽榪欑緙栫爜鍙€傚悎闀垮害鍜屽厓绱犻兘絎﹀悎涓嬮潰闄愬埗鐨勬湁搴忓簭鍒楋細(xì)
zset - max - ziplist - entries聽 128
zset - max - ziplist - value聽 64

# 聽鍝堝笇鍒鋒柊錛屾瘡100涓狢PU姣浼?xì)鎷垮?涓縐掓潵鍒鋒柊Redis鐨勪富鍝堝笇琛紙欏剁駭閿€兼槧灝勮〃錛夈€?/span>
# 聽redis鎵€鐢ㄧ殑鍝堝笇琛ㄥ疄鐜幫紙瑙乨ict.c錛夐噰鐢ㄥ歡榪熷搱甯屽埛鏂版満鍒訛細(xì)浣犲涓€涓搱甯岃〃鎿嶄綔瓚婂錛屽搱甯屽埛鏂版搷浣滃氨瓚婇綣侊紱
# 聽鍙嶄箣錛屽鏋滄湇鍔″櫒闈炲父涓嶆椿璺冮偅涔堜篃灝辨槸鐢ㄧ偣鍐呭瓨淇濆瓨鍝堝笇琛ㄨ€屽凡銆?/span>
# 聽
# 聽榛樿鏄瘡縐掗挓榪涜10嬈″搱甯岃〃鍒鋒柊錛岀敤鏉ュ埛鏂板瓧鍏革紝鐒跺悗灝藉揩閲婃斁鍐呭瓨銆?/span>
#
# 聽寤鴻錛?/span>
# 聽濡傛灉浣犲寤惰繜姣旇緝鍦ㄦ剰鐨勮瘽灝辯敤聽"activerehashing聽no"錛屾瘡涓姹傚歡榪?姣涓嶅お濂藉槢銆?/span>
# 聽濡傛灉浣犱笉澶湪鎰忓歡榪熻€屽笇鏈涘敖蹇噴鏀懼唴瀛樼殑璇濆氨璁劇疆聽"activerehashing聽yes"銆?/span>
activerehashing聽yes

 # #################################聽鍖呭惈聽###################################

# 聽鍖呭惈涓€涓垨澶氫釜鍏朵粬閰嶇疆鏂囦歡銆?/span>
# 聽榪欏湪浣犳湁鏍囧噯閰嶇疆妯℃澘浣嗘槸姣忎釜redis鏈嶅姟鍣ㄥ張闇€瑕佷釜鎬ц緗殑鏃跺€欏緢鏈夌敤銆?/span>
# 聽鍖呭惈鏂囦歡鐗規(guī)€у厑璁鎬綘寮曚漢鍏朵粬閰嶇疆鏂囦歡錛屾墍浠ュソ濂藉埄鐢ㄥ惂銆?/span>
#
# 聽include聽/path/to/local.conf
# 聽include聽/path/to/other.conf

]]>JVM鐩戞帶宸ュ叿浠嬬粛 http://www.aygfsteel.com/b47248054/articles/337905.html錛堝寳浜級鏈ㄦ湪錛堝寳浜級鏈ㄦ湪Fri, 12 Nov 2010 05:29:00 GMThttp://www.aygfsteel.com/b47248054/articles/337905.htmlhttp://www.aygfsteel.com/b47248054/comments/337905.htmlhttp://www.aygfsteel.com/b47248054/articles/337905.html#Feedback0http://www.aygfsteel.com/b47248054/comments/commentRss/337905.htmlhttp://www.aygfsteel.com/b47248054/services/trackbacks/337905.html jstatd
鍚姩jvm鐩戞帶鏈嶅姟銆傚畠鏄竴涓熀浜巖mi鐨勫簲鐢紝鍚戣繙紼嬫満鍣ㄦ彁渚涙湰鏈簀vm搴旂敤紼嬪簭鐨勪俊鎭€傞粯璁ょ鍙?099銆?br />瀹炰緥錛歫statd -J-Djava.security.policy=my.policy

my.policy鏂囦歡闇€瑕佽嚜宸卞緩绔嬶紝鍐呭濡備笅錛?br />grant codebase "file:$JAVA_HOME/lib/tools.jar" {
聽permission java.security.AllPermission;
};
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jps
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jps 192.168.0.77
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杈撳嚭鍐呭濡備笅錛?br />jones@jones:~/data/ebook/java/j2se/jdk_gc$ jps
6286 Jps
6174聽 Jstat

jconsole
涓€涓浘褰㈠寲鐣岄潰錛屽彲浠ヨ瀵熷埌java榪涚▼鐨刧c錛宑lass錛屽唴瀛樼瓑淇℃伅銆傝櫧鐒舵瘮杈冪洿瑙傦紝浣嗘槸涓漢榪樻槸姣旇緝鍊懼悜浜庝嬌鐢╦stat鍛戒護錛堝湪鏈€鍚庝竴閮ㄥ垎浼?xì)瀵筳stat浣滆緇嗙殑浠嬬粛錛夈€?br />
jinfo錛坙inux涓嬬壒鏈夛級
瑙傚療榪愯涓殑java紼嬪簭鐨勮繍琛岀幆澧冨弬鏁幫細(xì)鍙傛暟鍖呮嫭Java System灞炴€у拰JVM鍛戒護琛屽弬鏁?br />瀹炰緥錛歫info 2083
鍏朵腑2083灝辨槸java榪涚▼id鍙鳳紝鍙互鐢╦ps寰楀埌榪欎釜id鍙楓€?br />杈撳嚭鍐呭澶浜嗭紝涓嶅湪榪欓噷涓€涓€鍒椾婦錛屽ぇ瀹跺彲浠ヨ嚜宸卞皾璇曡繖涓懡浠ゃ€?br />
jstack錛坙inux涓嬬壒鏈夛級
鍙互瑙傚療鍒癹vm涓綋鍓嶆墍鏈夌嚎紼嬬殑榪愯鎯呭喌鍜岀嚎紼嬪綋鍓嶇姸鎬?br />jstack 2083
杈撳嚭鍐呭濡備笅錛?br />

jmap錛坙inux涓嬬壒鏈夛紝涔熸槸寰堝父鐢ㄧ殑涓€涓懡浠わ級
瑙傚療榪愯涓殑jvm鐗╃悊鍐呭瓨鐨勫崰鐢ㄦ儏鍐點€?br />鍙傛暟濡備笅錛?strong>
-heap錛氭墦鍗癹vm heap鐨勬儏鍐?br />-histo錛?/strong>鎵撳嵃jvm heap鐨勭洿鏂瑰浘銆傚叾杈撳嚭淇℃伅鍖呮嫭綾誨悕錛屽璞℃暟閲忥紝瀵硅薄鍗犵敤澶у皬銆?br />-histo錛歭ive 錛?/strong>鍚屼笂錛屼絾鏄彧絳斿簲瀛樻椿瀵硅薄鐨勬儏鍐?br />-permstat錛?/strong>鎵撳嵃permanent generation heap鎯呭喌

鍛戒護浣跨敤錛?br />jmap -heap 2083
鍙互瑙傚療鍒癗ew Generation錛圗den Space錛孎rom Space錛孴o Space錛?tenured generation,Perm Generation鐨勫唴瀛樹嬌鐢ㄦ儏鍐?br />杈撳嚭鍐呭錛?br />

jmap -histo 2083 锝?jmap -histo:live 2083
鍙互瑙傚療heap涓墍鏈夊璞＄殑鎯呭喌錛坔eap涓墍鏈夌敓瀛樼殑瀵硅薄鐨勬儏鍐碉級銆傚寘鎷璞℃暟閲忓拰鎵€鍗犵┖闂村ぇ灝忋€?br />杈撳嚭鍐呭錛?br />
鍐欎釜鑴氭湰錛屽彲浠ュ緢蹇妸鍗犵敤heap鏈€澶х殑瀵硅薄鎵懼嚭鏉ワ紝瀵逛粯鍐呭瓨娉勬紡鐗瑰埆鏈夋晥銆?br />
jstat
鏈€鍚庤閲嶇偣浠嬬粛涓嬭繖涓懡浠ゃ€?br />榪欐槸jdk鍛戒護涓瘮杈冮噸瑕侊紝涔熸槸鐩稿綋瀹炵敤鐨勪竴涓懡浠わ紝鍙互瑙傚療鍒癱lassloader錛宑ompiler錛実c鐩稿叧淇℃伅
鍏蜂綋鍙傛暟濡備笅錛?br />-class錛氱粺璁lass loader琛屼負(fù)淇℃伅
-compile錛氱粺璁＄紪璇戣涓轟俊鎭?br />-gc錛氱粺璁dk gc鏃秇eap淇℃伅
-gccapacity錛氱粺璁′笉鍚岀殑generations錛堜笉鐭ラ亾鎬庝箞緲昏瘧濂斤紝鍖呮嫭鏂扮敓鍖猴紝鑰佸勾鍖猴紝permanent鍖猴級鐩稿簲鐨刪eap瀹歸噺鎯呭喌
-gccause錛氱粺璁c鐨勬儏鍐碉紝錛堝悓-gcutil錛夊拰寮曡搗gc鐨勪簨浠?br />-gcnew錛氱粺璁c鏃訛紝鏂扮敓浠ｇ殑鎯呭喌
-gcnewcapacity錛氱粺璁c鏃訛紝鏂扮敓浠eap瀹歸噺
-gcold錛氱粺璁c鏃訛紝鑰佸勾鍖虹殑鎯呭喌
-gcoldcapacity錛氱粺璁c鏃訛紝鑰佸勾鍖篽eap瀹歸噺
-gcpermcapacity錛氱粺璁c鏃訛紝permanent鍖篽eap瀹歸噺
-gcutil錛氱粺璁c鏃訛紝heap鎯呭喌
-printcompilation錛氫笉鐭ラ亾騫蹭粈涔堢殑錛屼竴鐩存病鐢ㄨ繃銆?br />
涓€鑸瘮杈冨父鐢ㄧ殑鍑犱釜鍙傛暟鏄細(xì)
jstat -class 2083 1000 10 錛堟瘡闅?縐掔洃鎺т竴嬈★紝涓€鍏卞仛10嬈★級
杈撳嚭鍐呭鍚箟濡備笅錛?br />
LoadedNumber of classes loaded.
BytesNumber of Kbytes loaded.
UnloadedNumber of classes unloaded.
BytesNumber of Kbytes unloaded.
TimeTime spent performing class load and unload operations.








jstat -gc 2083 2000 20錛堟瘡闅?縐掔洃鎺т竴嬈★紝鍏卞仛10錛?br />杈撳嚭鍐呭鍚箟濡備笅錛?br />
S0C Current survivor space 0 capacity (KB).
EC Current eden space capacity (KB).
EU Eden space utilization (KB).
OC Current old space capacity (KB).
OU Old space utilization (KB).
PC Current permanent space capacity (KB).
PU Permanent space utilization (KB).
YGC Number of young generation GC Events.
YGCT Young generation garbage collection time.
FGC Number of full GC events.
FGCT Full garbage collection time.
GCT Total garbage collection time.


















杈撳嚭鍐呭錛?br />

濡傛灉鑳界啛緇冭繍鐢ㄨ繖浜涘懡浠わ紝灝ゅ叾鏄湪linux涓嬶紝閭ｄ箞瀹屽叏鍙互浠ｆ浛jprofile絳夌洃鎺у伐鍏蜂簡錛岃皝璁╁畠鏀惰垂鍛€€傚懙鍛點€?br />鐢ㄥ懡浠ょ殑濂藉灝辨槸閫熷害蹇紝騫朵笖杈呭姪浜庡叾浠栧懡浠わ紝姣斿grep gawk sed絳夛紝鍙互緇勮澶氱絎﹀悎鑷繁闇€姹傜殑宸ュ叿銆?

]]>鎮(zhèn)?/title><link>http://www.aygfsteel.com/b47248054/archive/2010/11/10/337710.html</link><dc:creator>錛堝寳浜級鏈ㄦ湪</dc:creator><author>錛堝寳浜級鏈ㄦ湪</author><pubDate>Wed, 10 Nov 2010 05:49:00 GMT</pubDate><guid>http://www.aygfsteel.com/b47248054/archive/2010/11/10/337710.html</guid><wfw:comment>http://www.aygfsteel.com/b47248054/comments/337710.html</wfw:comment><comments>http://www.aygfsteel.com/b47248054/archive/2010/11/10/337710.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/b47248054/comments/commentRss/337710.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/b47248054/services/trackbacks/337710.html</trackback:ping><description><![CDATA[婊氭粴闀挎睙涓滈€濇按錛?br />嫻姳娣樺敖鑻遍泟銆?br />鏄潪鎴愯觸杞ご絀猴紝<br />闈掑北渚濇棫鍦紝<br />鍑犲害澶曢槼綰€€?br /><br />鐧藉彂娓旀ǖ姹熸笟涓婏紝<br />鎯湅縐嬫湀鏄ラ銆?br />涓€澹舵祳閰掑枩鐩擱€紝<br />鍙や粖澶氬皯浜嬶紝<br />閮戒粯絎戣皥涓€?br /><br />鍙堜竴鍏勫紵瑕佺寮€浜嗭紝鎬庝箞璇村憿銆傜櫨鎰熶氦闆唦~~<br /><br />鎴栬浜洪兘鏈夋洿楂樼殑榪芥眰鍚с€?br /><br />鍛滃懠~~<img src ="http://www.aygfsteel.com/b47248054/aggbug/337710.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/b47248054/" target="_blank">錛堝寳浜級鏈ㄦ湪</a> 2010-11-10 13:49 <a href="http://www.aygfsteel.com/b47248054/archive/2010/11/10/337710.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>8縐嶄唬鐮佽嚟鍛?http://www.aygfsteel.com/b47248054/archive/2010/11/02/336830.html錛堝寳浜級鏈ㄦ湪錛堝寳浜級鏈ㄦ湪Tue, 02 Nov 2010 09:35:00 GMThttp://www.aygfsteel.com/b47248054/archive/2010/11/02/336830.htmlhttp://www.aygfsteel.com/b47248054/comments/336830.htmlhttp://www.aygfsteel.com/b47248054/archive/2010/11/02/336830.html#Feedback0http://www.aygfsteel.com/b47248054/comments/commentRss/336830.htmlhttp://www.aygfsteel.com/b47248054/services/trackbacks/336830.html鍘熸枃鍦板潃錛?a >http://www.jdon.com/jivejdon/thread/37355

鍗冮噷涔嬭錛屽浜庤凍涓嬶紝鍗冮噷涔嬪牑錛屾瘉浜庤殎絀達紝鍋氬ソ璁捐鐨勭涓€姝ュ氨鏄啓濂戒綘鐨勪唬鐮侊紝鍗氭枃8 Signs your code sucks鎬葷粨浜嗕唬鐮佷腑絎竴涓劅瑙夌殑鑷懗錛岃浣犺兘澶熶簬緇嗗井涔嬪鍙戠幇杞歡鐨勮川閲忛棶棰樸€?br />
1.鏂規(guī)硶鍐呬唬鐮佽秴榪囦竴涓數(shù)鑴戝睆騫曪細(xì)
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2.浣犲湪閲嶇敤鍙橀噺錛?br />闄ら潪浣犲伐浣滀簬宓屽叆寮忛鍩燂紝鍚﹀垯鍐呭瓨鏄究瀹滅殑錛屼笉瑕佸仛鍐呭瓨鐨勫畧璐㈠ゴ錛岃娉ㄩ噸鍙淮鎶ゆ€с€?br />
3.浣犵洿鎺ヨ闂畆equest/session 錛?br />榪欏拰鍏蜂綋搴旂敤鏈嶅姟鍣ㄧ幆澧冪粦瀹氾紝闅句簬嫻嬭瘯錛屾墍鏈夊簲鐢ㄦ暟鎹簲璇ョ洿鎺ヨВ鑰ession/request錛屼繚瀛樺埌Bean涓紝閫氳繃 bean鐨?getters 鍜?setters鏂規(guī)硶, 鍒涘緩浣跨敤鑰呰闂暟鎹殑鍚堢害錛岃繖灝嗗ぇ澶у府鍔╀唬鐮佺殑鍙淮鎶ゆ€э紝涓漢琛ュ厖錛屼笉瑕佹妸綾諱腑鐨凜ollection瀛楁鐩存帴閫氳繃Collection getCollection鏉ユ毚闇茬粰澶栫晫錛岄€氳繃鏂規(guī)硶灝佽瀵笴ollection鐨勬搷浣溿€?br />

4.浣犻渶瑕佷嬌鐢ㄦ敞瑙ｆ潵瑙ｉ噴浠ｇ爜濡備綍浣跨敤錛?br />浠ｇ爜搴旇鑷繁鑳藉瑙ｉ噴瀹冨浣曚嬌鐢紝鏄撲簬鍙錛屽鏋滀綘鍙戠幇浣犺嚜宸遍兘闇€瑕佹敞瑙ｄ笓闂ㄨВ閲婂浣曚嬌鐢紝閭ｄ箞灝辮閲嶆瀯浣犵殑浠ｇ爜銆傝繖閲屾敞瑙ｄ笉鏄寚javadoc絳夊繀瑕佹枃�。銆?br />
5.涓€涓猠xception緋誨垪閿欒娌℃湁榪斿洖鏈€鍘熷鐨勯敊璇細(xì)
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6.浣犵殑浠ｇ爜鏄竴鍫嗘償鐞冿細(xì)
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7.闅句簬鍗曞厓嫻嬭瘯
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1 銆佷互涓嬪摢鏉¤鍙ヤ細(xì)浜х敓榪愯閿欒錛氾紙 錛?/span>
A.var obj = ();// 璇硶閿欒
B.var obj = [];// 鍒涘緩鏁扮粍
C.var obj = {};// 鍒涘緩瀵硅薄
D.var obj = //;
2銆佷互涓嬪摢涓崟璇嶄笉灞炰簬javascript淇濈暀瀛楋細(xì)錛?/span>錛?/span>
A.with
B.parent
C.class
D.void
3銆佽閫夋嫨緇撴灉涓虹湡鐨勮〃杈懼紡錛氾紙錛?/span>
A.null instanceof Object錛?/span>(!(nullinstanceof Object))錛?/span>
B.null === undefined
C.null == undefined
D.NaN == NaN

浜屻€佷笉瀹氶」閫夋嫨棰?/span>
4銆佽閫夋嫨瀵?/span>javascript鐞嗚В鏈夎鐨勶細(xì)()
A.JScript鏄?/span>javascript鐨勭畝縐?/span>
B.javascript鏄綉鏅叕鍙稿紑鍙戠殑涓€縐?/span>Java鑴氭湰璇█錛屽叾鐩殑鏄負(fù)浜嗙畝鍖?/span>Java鐨勫紑鍙戦毦搴?/span>
C.FireFox鍜?/span>IE瀛樺湪澶ч噺鍏煎鎬ч棶棰樼殑涓昏鍘熷洜鍦ㄤ簬浠栦滑瀵?/span>javascript鐨勬敮鎸佷笉鍚屼笂
D.AJAX鎶€鏈竴瀹氳浣跨敤javascript鎶€鏈?/span>
5銆?/span>foo瀵硅薄鏈?/span>att灞炴€э紝閭ｄ箞鑾峰彇att灞炴€х殑鍊鹼紝浠ヤ笅鍝簺鍋氭硶鏄彲浠ョ殑錛氾紙錛?/span>
A.foo.att
B.foo(鈥渁tt鈥?
C.foo[鈥渁tt鈥漖
D.foo{鈥渁tt鈥潁
E.foo[鈥渁鈥?鈥漷鈥?鈥漷鈥漖
6銆佸湪涓嶆寚瀹氱壒孌婂睘鎬х殑鎯呭喌涓嬶紝鍝嚑縐?/span>HTML鏍囩鍙互鎵嬪姩杈撳叆鏂囨湰錛氾紙錛?/span>
A.<TEXTAREA></TEXTAREA>
B.<INPUT type=鈥漷ext鈥?>
C.<INPUT type=鈥漢idden鈥?>
D.<DIV></DIV>

7銆佷互涓嬪摢浜涙槸javascript鐨勫叏灞€鍑芥暟錛氾紙錛?/span>
A.escape
B.parseFloat
C.eval
D.setTimeout
E.alert
8銆佸叧浜?/span>IFrame琛ㄨ堪姝ｇ‘鐨勬湁錛?/span>()
A.閫氳繃IFrame錛岀綉欏靛彲浠ュ祵鍏ュ叾浠栫綉欏靛唴瀹癸紝騫跺彲浠ュ姩鎬佹洿鏀?/span>
B.鍦ㄧ浉鍚屽煙鍚嶄笅錛屽唴宓岀殑IFrame鍙互鑾峰彇澶栧眰緗戦〉鐨勫璞?/span>
C.鍦ㄧ浉鍚屽煙鍚嶄笅錛屽灞傜綉欏佃剼鏈彲浠ヨ幏鍙?/span>IFrame緗戦〉鍐呯殑瀵硅薄
D.鍙互閫氳繃鑴氭湰璋冩暣IFrame鐨勫ぇ灝?/span>
9銆佸叧浜庤〃鏍艱〃榪版紜殑鏈夛細(xì)錛?/span>錛?/span>
A.琛ㄦ牸涓彲浠ュ寘鍚?/span>TBODY鍏冪礌
B.琛ㄦ牸涓彲浠ュ寘鍚?/span>CAPTION鍏冪礌
C.琛ㄦ牸涓彲浠ュ寘鍚涓?/span>TBODY鍏冪礌
D.琛ㄦ牸涓彲浠ュ寘鍚?/span>COLGROUP鍏冪礌
E.琛ㄦ牸涓彲浠ュ寘鍚?/span>COL鍏冪礌
10銆佸叧浜?/span>IE鐨?/span>window瀵硅薄琛ㄨ堪姝ｇ‘鐨勬湁錛氾紙錛?/span>
A.window.opener灞炴€ф湰韜氨鏄寚鍚?/span>window瀵硅薄
B.window.reload()鏂規(guī)硶鍙互鐢ㄦ潵鍒鋒柊褰撳墠欏甸潰
C.window.location=鈥漚.html鈥?/span>鍜?/span>window.location.href=鈥漚.html鈥?/span>鐨勪綔鐢ㄩ兘鏄妸褰撳墠欏甸潰鏇挎崲鎴?/span>a.html欏甸潰
D.瀹氫箟浜嗗叏灞€鍙橀噺g錛涘彲浠ョ敤window.g鐨勬柟寮忔潵瀛樺彇璇ュ彉閲?/span>
涓夈€侀棶絳旈錛?/span>
1銆佽皥璋?/span>javascript鏁扮粍鎺掑簭鏂規(guī)硶sort()鐨勪嬌鐢紝閲嶇偣浠嬬粛sort()鍙傛暟鐨勪嬌鐢ㄥ強鍏跺唴閮ㄦ満鍒?br />2銆佺畝榪?/span>DIV鍏冪礌鍜?/span>SPAN鍏冪礌鐨勫尯鍒€?br />3銆佺粨鍚?/span>text榪欐緇撴瀯錛岃皥璋?/span>innerHTML outerHTML innerText涔嬮棿鐨勫尯鍒€?br />4銆佽鍑犳潯XHTML瑙勮寖鐨勫唴瀹癸紙鑷沖皯3鏉★級
5銆佸Web鏍囧噯鍖栵紙鎴栫綉绔欓噸鏋勶級鐭ラ亾鍝簺鐩稿叧鐨勭煡璇嗭紝綆€榪板嚑鏉′綘鐭ラ亾鐨?/span>Web鏍囧噯錛?br />鍥涖€佺▼搴忛錛?/span>
1銆佸畬鎴?/span>foo()鍑芥暟鐨勫唴瀹癸紝瑕佹眰鑳藉寮瑰嚭瀵硅瘽妗嗘彁紺哄綋鍓嶉€変腑鐨勬槸絎嚑涓崟閫夋銆?/span>

< html >

< head >

< script >

聽 function 聽foo()聽

聽 {

聽聽聽 // 聽鍦ㄦ澶勬坊鍔犱唬鐮?/span>

聽聽聽
聽}

</ script >



</ head >

< body >

聽聽聽聽 < form聽 name ="form1" 聽onsubmit ="return聽foo();" >

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="radio" 聽name ="radioGroup" 聽 />

聽聽聽聽聽聽聽聽 < input聽 type ="submit" 聽 />

聽聽聽聽 </ form >

</ body >

</ html >
2銆佸～鍏呮敞閲婇儴鍒嗙殑鍑芥暟浣擄紝浣垮緱foo()鍑芥暟璋冪敤寮瑰嚭鈥濇垚鍔熲€濈殑瀵硅瘽妗嗐€備唬鐮佸簲灝介噺綆€鐭?br />
<html>

<head>

聽

聽<script>

function聽foo()聽

{

聽聽聽var聽str聽=聽reverse('a,b,c,d,e,f,g');

聽聽聽聽聽聽alert(str);

聽聽聽if聽(str聽==聽'g,f,e,d,c,b,a')聽

聽聽聽聽聽聽alert('鎴愬姛');

聽聽聽else聽alert('澶辮觸');

}

function聽reverse(str)

{

聽聽聽//聽鍦ㄦ澶勫姞鍏ヤ唬鐮侊紝瀹屾垚瀛楃涓茬炕杞姛鑳?/span>

聽聽聽聽
}

聽聽聽聽</script>

</head>

聽

聽聽聽聽<body>

聽聽聽聽聽聽聽聽<input聽type="button"聽value="str"聽onclick="foo()"聽/>

聽聽聽聽</body>

</html>


]]>JAVA鍩虹鐭ヨ瘑綺懼崕鎬葷粨http://www.aygfsteel.com/b47248054/articles/324556.html錛堝寳浜級鏈ㄦ湪錛堝寳浜級鏈ㄦ湪Sat, 26 Jun 2010 07:04:00 GMThttp://www.aygfsteel.com/b47248054/articles/324556.htmlhttp://www.aygfsteel.com/b47248054/comments/324556.htmlhttp://www.aygfsteel.com/b47248054/articles/324556.html#Feedback0http://www.aygfsteel.com/b47248054/comments/commentRss/324556.htmlhttp://www.aygfsteel.com/b47248054/services/trackbacks/324556.html 聽聽聽聽聽聽聽聽1銆佸璞＄殑鍒濆鍖?/font>

銆€銆€(1)闈為潤鎬佸璞＄殑鍒濆鍖?/p>

銆€銆€鍦ㄥ垱寤哄璞℃椂錛屽璞℃墍鍦ㄧ被鐨勬墍鏈夋暟鎹垚鍛樹細(xì)棣栧厛榪涜鍒濆鍖栥€?/p>

銆€銆€鍩烘湰綾誨瀷錛?a class="bluekey" target="_blank">int鍨嬶紝鍒濆鍖栦負(fù)0銆?/p>

銆€銆€濡傛灉涓哄璞★細(xì)榪欎簺瀵硅薄浼?xì)鎸墮搴搴忓垵濮嬪寲銆?/p>

銆€銆€鈥誨湪鎵€鏈夌被鎴愬憳鍒濆鍖栧畬鎴愪箣鍚庯紝鎵嶈皟鐢ㄦ湰綾葷殑鏋勯€犳柟娉曞垱寤哄璞°€?/p>

銆€銆€鏋勯€犳柟娉曠殑浣滅敤灝辨槸鍒濆鍖栥€?/p>

銆€銆€(2)闈欐€佸璞＄殑鍒濆鍖?/p>

銆€銆€紼嬪簭涓富綾葷殑闈欐€佸彉閲忎細(xì)鍦╩ain鏂規(guī)硶鎵ц鍓嶅垵濮嬪寲銆?/p>

銆€銆€涓嶄粎絎竴嬈″垱寤哄璞℃椂錛岀被涓殑鎵€鏈夐潤鎬佸彉閲忛兘鍒濆鍖栵紝騫朵笖絎竴嬈¤闂煇綾?娉ㄦ剰姝ゆ椂鏈垱寤烘綾誨璞?鐨勯潤鎬佸璞℃椂錛屾墍鏈夌殑闈欐€佸彉閲忎篃瑕佹寜瀹冧滑鍦ㄧ被涓殑欏哄簭鍒濆鍖栥€?/p>

銆€銆€2銆佺戶鎵挎椂錛屽璞＄殑鍒濆鍖栬繃紼?

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銆€銆€(2)涓葷被闈欐€佹垚鍛樼殑鍒濆鍖栥€?/p>

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銆€銆€(4)涓葷被闈為潤鎬佹垚鍛樼殑鍒濆鍖栥€?/p>

銆€銆€(5)璋冪敤涓葷被鐨勬瀯閫犳柟娉曘€?/p>

銆€銆€3銆佸叧浜庢瀯閫犳柟娉?/font>

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銆€銆€(2)鍦ㄤ竴涓瀯閫犳柟娉曚腑錛屽彧鑳借皟鐢ㄤ竴嬈″叾浠栫殑鏋勯€犳柟娉曪紝騫朵笖璋冪敤鏋勯€犳柟娉曠殑璇彞蹇呴』鏄涓€鏉¤鍙ャ€?/p>

銆€銆€4銆佹湁鍏硃ublic銆乸rivate鍜宲rotected

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銆€銆€(3)濡傛灉鏋勯€犳柟娉曚負(fù)private錛岄偅涔堝湪鍏朵粬綾諱腑涓嶈兘鍒涘緩璇ョ被鐨勫璞°€?br />

銆€銆€5銆佹娊璞＄被

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銆€銆€(2)濡傛灉涓€涓被涓竴涓柟娉曚負(fù)鎶借薄鏂規(guī)硶錛屽垯榪欎釜綾誨繀欏諱負(fù)abstract鎶借薄綾匯€?/p>

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銆€銆€(4)濡傛灉澹版槑涓€涓被涓篺inal錛屽垯鎵€鏈夌殑鏂規(guī)硶鍧囦負(fù)final錛屾棤璁哄叾鏄惁琚玣inal淇グ錛屼絾鏁版嵁鎴愬憳鍙負(fù)final涔熷彲涓嶆槸銆?/p>

銆€銆€7銆佹帴鍙?/font>interface(鐢╥mplements鏉ュ疄鐜版帴鍙?

銆€銆€(1)鎺ュ彛涓殑鎵€鏈夋暟鎹潎涓簊tatic鍜宖inal鍗抽潤鎬佸父閲忋€傚敖綆″彲浠ヤ笉鐢ㄨ繖涓や釜鍏抽敭瀛椾慨楗幫紝浣嗗繀欏葷粰甯擱噺璧嬪垵鍊箋€?/p>

銆€銆€(2)鎺ュ彛涓殑鏂規(guī)硶鍧囦負(fù)public錛屽湪瀹炵幇鎺ュ彛綾諱腑錛屽疄鐜版柟娉曞繀欏誨彲public鍏抽敭瀛椼€?/p>

銆€銆€(3)濡傛灉浣跨敤public鏉ヤ慨楗版帴鍙ｏ紝鍒欐帴鍙ｅ繀欏諱笌鏂囦歡鍚嶇浉鍚屻€?/p>

銆€銆€8銆佸閲嶇戶鎵?

銆€銆€(1)涓€涓被緇ф壙浜嗕竴涓被鍜屾帴鍙ｏ紝閭ｄ箞蹇呴』灝嗙被鍐欏湪鍓嶉潰錛屾帴鍙ｅ啓鍦ㄥ悗闈紝鎺ュ彛涔嬮棿鐢ㄩ€楀彿鍒嗛殧銆?/p>

銆€銆€(2)鎺ュ彛涔嬮棿鍙閲嶇戶鎵匡紝娉ㄦ剰浣跨敤鍏抽敭瀛梕xtends銆?/p>

銆€銆€(3)涓€涓被铏藉彧瀹炵幇浜嗕竴涓帴鍙ｏ紝浣嗕笉浠呰瀹炵幇榪欎釜鎺ュ彛鐨勬墍鏈夋柟娉曪紝榪樿瀹炵幇榪欎釜鎺ュ彛緇ф壙鐨勬帴鍙ｇ殑鏂規(guī)硶錛屾帴鍙ｄ腑鐨勬墍鏈夋柟娉曞潎欏誨湪綾諱腑瀹炵幇銆?/p>

銆€銆€9銆佹帴鍙ｇ殑宓屽叆

銆€銆€(1)鎺ュ彛宓屽叆綾諱腑錛屽彲浠ヤ嬌鐢╬rivate淇グ銆傛鏃訛紝鎺ュ彛鍙兘鍦ㄦ墍鍦ㄧ殑綾諱腑瀹炵幇錛屽叾浠栫被涓嶈兘璁塊棶銆?/p>

銆€銆€(2)宓屽叆鎺ュ彛涓殑鎺ュ彛涓€瀹氳涓簆ublic銆?

聽聽聽聽聽聽聽聽10銆佺被鐨勫祵鍏?/font> 

銆€銆€(1)綾誨彲浠ュ祵鍏ュ彟涓€涓被涓紝浣嗕笉鑳藉祵鍏ユ帴鍙ｄ腑銆?/p>

銆€銆€}

銆€銆€(2)鍦ㄩ潤鎬佹柟娉曟垨鍏朵粬鏂規(guī)硶涓紝涓嶈兘鐩存帴鍒涘緩鍐呴儴綾誨璞★紝闇€閫氳繃鎵嬫鏉ュ彇寰椼€?/p>

銆€銆€鎵嬫鏈変袱縐嶏細(xì)

銆€銆€class A { class B {} B getB() { B b = new B(); return b; } } static void m() { A a = new A(); A.B ab = a.getB(); // 鎴栬€呮槸 A.B ab = a.new B(); }

銆€銆€(3)涓€涓被緇ф壙浜嗗彟涓€涓被鐨勫唴閮ㄧ被錛屽洜涓鴻秴綾繪槸鍐呴儴綾伙紝鑰屽唴閮ㄧ被鐨勬瀯閫犳柟娉曚笉鑳借嚜鍔ㄨ璋冪敤錛岃繖鏍峰氨闇€瑕佸湪瀛愮被鐨勬瀯閫犳柟娉曚腑鏄庣‘鐨勮皟鐢ㄨ秴綾葷殑鏋勯€犳柟娉曘€傛帴涓婁緥錛?/p>

銆€銆€class C extends A.B { C() { new A().super(); // 榪欎竴鍙ュ氨瀹炵幇浜嗗鍐呴儴綾繪瀯閫犳柟娉曠殑璋冪敤銆?} }

銆€銆€鏋勯€犳柟娉曚篃鍙繖鏍峰啓錛?/p>

銆€銆€C(A a) { a.super(); } // 浣跨敤榪欎釜鏋勯€犳柟娉曞垱寤哄璞★紝瑕佸啓鎴怌 c = new C(a); a鏄疉鐨勫璞°€?/p>

銆€銆€11銆佸紓甯哥被JAVA涓櫎浜哛unTimeException綾伙紝鍏朵粬寮傚父鍧囬』鎹曡幏鎴栨姏鍑恒€?/p>

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