锘??xml version="1.0" encoding="utf-8" standalone="yes"?>精品久久久久亚洲,亚洲AV福利天堂一区二区三,亚洲精品乱码久久久久久中文字幕http://m.tkk7.com/BucketLi/every thing come from new!zh-cnMon, 12 May 2025 05:41:30 GMTMon, 12 May 2025 05:41:30 GMT60Google Megastore鍒濇帰http://m.tkk7.com/BucketLi/archive/2011/02/14/344259.htmlBucketLIBucketLIMon, 14 Feb 2011 04:44:00 GMThttp://m.tkk7.com/BucketLi/archive/2011/02/14/344259.htmlhttp://m.tkk7.com/BucketLi/comments/344259.htmlhttp://m.tkk7.com/BucketLi/archive/2011/02/14/344259.html#Feedback1http://m.tkk7.com/BucketLi/comments/commentRss/344259.htmlhttp://m.tkk7.com/BucketLi/services/trackbacks/344259.html鍘誨勾騫村簳,鍥㈤槦鍐呴儴鎴愬憳鍒嗕韓浜嗚繖綃?/span>google璁烘枃,鍒濊浜嗕笅,鍙戠幇鍏舵湁铔鏈夋剰鎬濈殑涓滆タ,灝辨兂鎶婁粬緲昏瘧涓嬫潵,浣嗘槸緲昏瘧浜嗕竴灝忛儴鍒?/span>,鏄庢樉鎰熻濡傛灉榪欐牱鐨勭炕璇戝彂鍑哄幓,寰堝彲鑳借浜哄瓙寮?/span>,鎵浠ユ敼鎴愪簡姒傝寮忕殑鍗氭枃,榪欑瘒鏂囩珷浼氬皢鍘熻鏂囨渶鏍稿績鐨勫嚑涓儴鍒嗗仛涓嶅畬鍏ㄧ殑緲昏瘧鍜屼釜浜虹悊瑙?/span>,濡傛湁涓嶈В鎴栬呴敊璇殑鍦版柟,璇鋒煡鐪嬪師璁烘枃,騫跺笇鏈涜兘澶熸寚姝?璋㈣阿.

姝ｆ枃

Megastore鏄胺姝屼竴涓唴閮ㄧ殑瀛樺偍緋葷粺,瀹冪殑搴曞眰鏁版嵁瀛樺偍渚濊禆Bigtable,涔熷氨鏄熀浜?/span>NoSql瀹炵幇鐨?/span>,浣嗘槸鍜屼紶緇熺殑NoSql涓嶅悓鐨勬槸,瀹冨疄鐜頒簡綾諱技RDBMS鐨勬暟鎹ā鍨?/span>(渚挎嵎鎬?/span>),鍚屾椂鎻愪緵鏁版嵁鐨勫己涓鑷存цВ鍐蟲柟妗?/span>(鍚屼竴涓?/span>datacenter,鍩轟簬MVCC鐨勪簨鍔″疄鐜?/span>),騫朵笖灝嗘暟鎹繘琛岀粏棰楃矑搴︾殑鍒嗗尯(榪欓噷鐨勫垎鍖烘槸鎸囧湪鍚屼竴涓?/span>datacenter,鎵鏈?/span>datacenter閮芥湁鐩稿悓鐨勫垎鍖烘暟鎹?/span>),鐒跺悗灝嗘暟鎹洿鏂板湪鏈烘埧闂磋繘琛屽悓姝ュ鍒?/span>(榪欎釜淇濊瘉鎵鏈?/span>datacenter涓殑鏁版嵁涓鑷?/span>).

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涓枃緲昏瘧鍦板潃: http://wenku.baidu.com/view/a465cc260722192e4536f671.html#

鍘熸枃鍦板潃: http://wenku.baidu.com/view/2ddeb1afdd3383c4bb4cd2bb.html



BucketLI 2011-02-14 12:44 鍙戣〃璇勮
]]>zookeeper浣跨敤鍜屽師鐞嗘帰絀訛紙涓錛?/title><link>http://m.tkk7.com/BucketLi/archive/2010/12/21/341268.html</link><dc:creator>BucketLI</dc:creator><author>BucketLI</author><pubDate>Tue, 21 Dec 2010 10:58:00 GMT</pubDate><guid>http://m.tkk7.com/BucketLi/archive/2010/12/21/341268.html</guid><wfw:comment>http://m.tkk7.com/BucketLi/comments/341268.html</wfw:comment><comments>http://m.tkk7.com/BucketLi/archive/2010/12/21/341268.html#Feedback</comments><slash:comments>15</slash:comments><wfw:commentRss>http://m.tkk7.com/BucketLi/comments/commentRss/341268.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/BucketLi/services/trackbacks/341268.html</trackback:ping><description><![CDATA[<p><span style="font: 7pt 'Times New Roman'"><span style="font-size: 10pt"><strong>zookeeper</strong><span style="font-family: 瀹嬩綋"><strong>浠嬬粛<br /> </strong></span>zookeeper<span style="font-family: 瀹嬩綋">鏄竴涓負鍒嗗竷寮忓簲鐢ㄦ彁渚涗竴鑷存ф湇鍔＄殑杞歡錛屽畠鏄紑婧愮殑</span>Hadoop<span style="font-family: 瀹嬩綋">欏圭洰涓殑涓涓瓙欏圭洰錛屽茍涓旀牴鎹?/span>google<span style="font-family: 瀹嬩綋">鍙戣〃鐨?/span><The Chubby lock service for loosely-coupled distributed systems><span style="font-family: 瀹嬩綋">璁烘枃鏉ュ疄鐜扮殑錛屾帴涓嬫潵鎴戜滑棣栧厛鏉ュ畨瑁呬嬌鐢ㄤ笅榪欎釜杞歡錛岀劧鍚庡啀鏉ユ帰绱笅鍏朵腑姣旇緝閲嶈涓鑷存х畻娉曘?/span>  <br /> </span></span><br /> <strong style="font-size: 10pt">zookeeper<span style="font-family: 瀹嬩綋">瀹夎鍜屼嬌鐢?br /> </span></strong><span style="font-size: 10pt">zookeeper<span style="font-family: 瀹嬩綋">鐨勫畨瑁呭熀鏈笂鍙互鎸夌収</span> http://hadoop.apache.org/zookeeper/docs/current/ zookeeperStarted.html <span style="font-family: 瀹嬩綋">榪欎釜欏甸潰涓婄殑姝ラ瀹屾垚瀹夎錛岃繖閲屼富瑕佷粙緇嶄笅閮ㄧ講涓涓泦緹ょ殑姝ラ錛屽洜涓鴻繖涓畼鏂歸〉闈技涔庤寰楀茍涓嶆槸闈炲父璇︾粏</span>(Running Replicated Zookeeper)<span style="font-family: 瀹嬩綋">銆?br /> </span><span style="font-family: 瀹嬩綋"><br /> 鐢變簬鎵嬪ご鏈哄櫒涓嶈凍錛屾墍浠ュ湪涓鍙版満鍣ㄤ笂閮ㄧ講浜?/span>3<span style="font-family: 瀹嬩綋">涓?/span>server,<span style="font-family: 瀹嬩綋">濡傛灉浣犳墜澶翠篃姣旇緝绱э紝涔熷彲浠ヨ繖涔堝仛銆傞偅涔堟垜寤轟簡</span>3<span style="font-family: 瀹嬩綋">涓枃浠跺す錛屽涓?br /> </span></span><strong><span style="font-size: 10pt"><strong>server1   server2   server3<br /> </strong></span></strong><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋"><br /> 鐒跺悗姣忎釜鏂囦歡澶歸噷闈㈣В鍘嬩竴涓?/span>zookeeper<span style="font-family: 瀹嬩綋">鐨勪笅杞藉寘錛屽茍涓旇繕寤轟簡鍑犱釜鏂囦歡澶癸紝鎬諱綋緇撴瀯濡備笅</span>,<span style="font-family: 瀹嬩綋">鏈鍚庨偅涓槸涓嬭澆榪囨潵鍘嬬緝鍖呯殑瑙ｅ帇鏂囦歡<br /> </span></span></span><strong><span style="font-size: 10pt"><strong>data dataLog logs zookeeper-3.3.2<br /> </strong></span><br /> </strong><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">閭ｄ箞棣栧厛榪涘叆</span>data<span style="font-family: 瀹嬩綋">鐩綍錛屽垱寤轟竴涓?/span>myid<span style="font-family: 瀹嬩綋">鐨勬枃浠訛紝閲岄潰鍐欏叆涓涓暟瀛楋紝姣斿鎴戣繖涓槸</span>server1,<span style="font-family: 瀹嬩綋">閭ｄ箞灝卞啓涓涓?/span>1<span style="font-family: 瀹嬩綋">錛?/span>server2<span style="font-family: 瀹嬩綋">瀵瑰簲</span>myid<span style="font-family: 瀹嬩綋">鏂囦歡灝卞啓鍏?/span>2<span style="font-family: 瀹嬩綋">錛?/span>server3瀵瑰簲myid鏂囦歡灝?span style="font-family: 瀹嬩綋">鍐欎釜</span>3<br /> </span></span><br /> <span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">鐒跺悗榪涘叆</span><strong>zookeeper-3.3.2/conf</strong><span style="font-family: 瀹嬩綋">鐩綍錛岄偅涔堝鏋滄槸鍒氫笅榪囨潵錛屼細鏈?/span>3<span style="font-family: 瀹嬩綋">涓枃浠訛紝</span><strong>configuration.xml, log4j.properties,zoo_sample.cfg</strong>,<span style="font-family: 瀹嬩綋">榪?/span>3<span style="font-family: 瀹嬩綋">涓枃浠舵垜浠鍏堣鍋氱殑灝辨槸鍦ㄨ繖涓洰褰曞垱寤轟竴涓?/span>zoo.cfg<span style="font-family: 瀹嬩綋">鐨勯厤緗枃浠訛紝褰撶劧浣犲彲浠ユ妸</span>zoo_sample.cfg<span style="font-family: 瀹嬩綋">鏂囦歡鏀規(guī)垚</span>zoo.cfg<span style="font-family: 瀹嬩綋">錛岄厤緗殑鍐呭濡備笅鎵紺猴細</span></span></span> <br /> <span style="color: red"><span style="font-size: 10pt"><span style="color: red">tickTime=2000<br /> </span><span style="color: red">initLimit=5<br /> </span><span style="color: red">syncLimit=2<br /> </span><span style="color: red">dataDir=xxxx/zookeeper/server1/data<br /> </span><span style="color: red">dataLogDir=xxx/zookeeper/server1/dataLog<br /> </span><span style="color: red">clientPort=2181<br /> </span></span></span><span style="font-size: 10pt">server.1=127.0.0.1:2888:3888<br /> server.2=127.0.0.1:2889:3889<br /> server.3=127.0.0.1:2890:3890<span style="font-family: 瀹嬩綋"><br /> </span></span><br /> <span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">鏍囩孩鐨勫嚑涓厤緗簲璇ュ畼緗戣寰楀緢娓呮浜嗭紝鍙槸闇瑕佹敞鎰忕殑鏄?/span>clientPort<span style="font-family: 瀹嬩綋">榪欎釜绔彛濡傛灉浣犳槸鍦?/span>1<span style="font-family: 瀹嬩綋">鍙版満鍣ㄤ笂閮ㄧ講澶氫釜</span>server,<span style="font-family: 瀹嬩綋">閭ｄ箞姣忓彴鏈哄櫒閮借涓嶅悓鐨?/span>clientPort<span style="font-family: 瀹嬩綋">錛屾瘮濡傛垜</span>server1<span style="font-family: 瀹嬩綋">鏄?/span>2181,server2<span style="font-family: 瀹嬩綋">鏄?/span>2182<span style="font-family: 瀹嬩綋">錛?/span>server3<span style="font-family: 瀹嬩綋">鏄?/span>2183<span style="font-family: 瀹嬩綋">錛?/span>dataDir<span style="font-family: 瀹嬩綋">鍜?/span>dataLogDir<span style="font-family: 瀹嬩綋">涔熼渶瑕佸尯鍒嗕笅銆?/span> <br /> <br /> <span style="font-family: 瀹嬩綋">鏈鍚庡嚑琛屽敮涓闇瑕佹敞鎰忕殑鍦版柟灝辨槸</span> server.X <span style="font-family: 瀹嬩綋">榪欎釜鏁板瓧灝辨槸瀵瑰簲</span> data/myid<span style="font-family: 瀹嬩綋">涓殑鏁板瓧銆備綘鍦?/span>3<span style="font-family: 瀹嬩綋">涓?/span>server<span style="font-family: 瀹嬩綋">鐨?/span>myid<span style="font-family: 瀹嬩綋">鏂囦歡涓垎鍒啓鍏ヤ簡</span>1<span style="font-family: 瀹嬩綋">錛?/span>2<span style="font-family: 瀹嬩綋">錛?/span>3<span style="font-family: 瀹嬩綋">錛岄偅涔堟瘡涓?/span>server<span style="font-family: 瀹嬩綋">涓殑</span>zoo.cfg<span style="font-family: 瀹嬩綋">閮介厤</span>server.1,server.2,server.3<span style="font-family: 瀹嬩綋">灝?/span>OK<span style="font-family: 瀹嬩綋">浜嗐傚洜涓哄湪鍚屼竴鍙版満鍣ㄤ笂錛屽悗闈㈣繛鐫鐨?/span>2<span style="font-family: 瀹嬩綋">涓鍙?/span>3<span style="font-family: 瀹嬩綋">涓?/span>server<span style="font-family: 瀹嬩綋">閮戒笉瑕佷竴鏍鳳紝鍚﹀垯绔彛鍐茬獊錛屽叾涓涓涓鍙ｇ敤鏉ラ泦緹ゆ垚鍛樼殑淇℃伅浜ゆ崲錛岀浜屼釜绔彛鏄湪</span>leader<span style="font-family: 瀹嬩綋">鎸傛帀鏃朵笓闂ㄧ敤鏉ヨ繘琛岄変婦</span>leader<span style="font-family: 瀹嬩綋">鎵鐢ㄣ?br /> <br /> </span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">榪涘叆</span>zookeeper-3.3.2/bin <span style="font-family: 瀹嬩綋">鐩綍涓?span style="font-family: 瀹嬩綋">錛?strong>./</strong></span></span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><strong>zkServer.sh start</strong></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">鍚姩涓涓?/span>server,<span style="font-family: 瀹嬩綋">榪欐椂浼氭姤澶ч噺閿欒錛熷叾瀹炴病浠涔堝叧緋伙紝鍥犱負鐜板湪闆嗙兢鍙搗浜?/span>1<span style="font-family: 瀹嬩綋">鍙?/span>server<span style="font-family: 瀹嬩綋">錛?/span>zookeeper<span style="font-family: 瀹嬩綋">鏈嶅姟鍣ㄧ璧鋒潵浼氭牴鎹?/span>zoo.cfg<span style="font-family: 瀹嬩綋">鐨勬湇鍔″櫒鍒楄〃鍙戣搗閫変婦</span>leader<span style="font-family: 瀹嬩綋">鐨勮姹傦紝鍥犱負榪炰笉涓婂叾浠栨満鍣ㄨ屾姤閿欙紝閭ｄ箞褰撴垜浠搗絎簩涓?/span>zookeeper<span style="font-family: 瀹嬩綋">瀹炰緥鍚庯紝</span>leader<span style="font-family: 瀹嬩綋">灝嗕細琚夊嚭錛屼粠鑰屼竴鑷存ф湇鍔″紑濮嬪彲浠ヤ嬌鐢紝榪欐槸鍥犱負</span>3<span style="font-family: 瀹嬩綋">鍙版満鍣ㄥ彧瑕佹湁</span>2<span style="font-family: 瀹嬩綋">鍙板彲鐢ㄥ氨鍙互閫夊嚭</span>leader<span style="font-family: 瀹嬩綋">騫朵笖瀵瑰鎻愪緵鏈嶅姟</span>(2n+1<span style="font-family: 瀹嬩綋">鍙版満鍣紝鍙互瀹?/span>n<span style="font-family: 瀹嬩綋">鍙版満鍣ㄦ寕鎺?/span>)<span style="font-family: 瀹嬩綋">銆?br /> <br /> </span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">鎺ヤ笅鏉ュ氨鍙互浣跨敤浜嗭紝鎴戜滑鍙互鍏堥氳繃</span> zookeeper<span style="font-family: 瀹嬩綋">鑷甫鐨勫鎴風(fēng)浜や簰紼嬪簭鏉ョ畝鍗曟劅鍙椾笅</span>zookeeper<span style="font-family: 瀹嬩綋">鍒板簳鍋氫竴浜涗粈涔堜簨鎯呫傝繘鍏?/span>zookeeper-3.3.2/bin<span style="font-family: 瀹嬩綋">錛?/span>3<span style="font-family: 瀹嬩綋">涓?/span>server<span style="font-family: 瀹嬩綋">涓換鎰忎竴涓級涓嬶紝</span><strong>./zkCli.sh –server 127.0.0.1:2182</strong>,<span style="font-family: 瀹嬩綋">鎴戣繛鐨勬槸寮鐫</span>2182<span style="font-family: 瀹嬩綋">绔彛鐨勬満鍣ㄣ?br /> <br /> </span><span style="font-family: 瀹嬩綋">閭ｄ箞錛岄鍏堟垜浠殢渚挎墦涓懡浠わ紝鍥犱負</span>zookeeper<span style="font-family: 瀹嬩綋">涓嶈璇嗭紝浠栦細緇欏嚭鍛戒護鐨?/span>help,<span style="font-family: 瀹嬩綋">濡備笅鍥?/span></span></span>  <br />    <img border="0" alt="" src="http://m.tkk7.com/images/blogjava_net/bucketli/dddd.jpg" /><br /> <span style="font-size: 10pt">ls(<span style="font-family: 瀹嬩綋">鏌ョ湅褰撳墠鑺傜偣鏁版嵁</span>),<br /> ls2(<span style="font-family: 瀹嬩綋">鏌ョ湅褰撳墠鑺傜偣鏁版嵁騫惰兘鐪嬪埌鏇存柊嬈℃暟絳夋暟鎹?/span>) ,<br /> create(<span style="font-family: 瀹嬩綋">鍒涘緩涓涓妭鐐?/span>) ,<br /> get(<span style="font-family: 瀹嬩綋">寰楀埌涓涓妭鐐癸紝鍖呭惈鏁版嵁鍜屾洿鏂版鏁扮瓑鏁版嵁</span>),<br /> set(<span style="font-family: 瀹嬩綋">淇敼鑺傜偣</span>)<br /> delete(<span style="font-family: 瀹嬩綋">鍒犻櫎涓涓妭鐐?/span>)<br /> </span><span style="font-family: 瀹嬩綋"><br /> <span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">閫氳繃涓婅堪鍛戒護瀹炶返錛屾垜浠彲浠ュ彂鐜幫紝</span>zookeeper<span style="font-family: 瀹嬩綋">浣跨敤浜嗕竴涓被浼兼枃浠剁郴緇熺殑鏍?wèi)缁撴瀯锛屾暟鎹彲浠ユ寕鍦ㄦ煇涓妭鐐逛笂锛屽彲浠ュ杩欎釜鑺傜偣杩涜鍒犳攺V傚彟澶栨垜浠繕鍙戠幇錛屽綋鏀瑰姩涓涓妭鐐圭殑鏃跺欙紝闆嗙兢涓椿鐫鐨勬満鍣ㄩ兘浼氭洿鏂板埌涓鑷寸殑鏁版嵁銆?/span> <br /> </span></span><br /> <span style="font-size: 10pt"><strong>zookeeper</strong><span style="font-family: 瀹嬩綋"><strong>鐨勬暟鎹ā鍨?br /> </strong></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">鍦ㄧ畝鍗曚嬌鐢ㄤ簡</span>zookeeper<span style="font-family: 瀹嬩綋">涔嬪悗錛屾垜浠彂鐜板叾鏁版嵁妯″瀷鏈変簺鍍忔搷浣滅郴緇熺殑鏂囦歡緇撴瀯錛岀粨鏋勫涓嬪浘鎵紺?br /> </span></span></span><img border="0" alt="" src="http://m.tkk7.com/images/blogjava_net/bucketli/XX.jpg" /><br /> <br /> <br /> <span style="font-size: 10pt">(1)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span><span style="font-family: 瀹嬩綋">姣忎釜鑺傜偣鍦?/span>zookeeper<span style="font-family: 瀹嬩綋">涓彨鍋?/span>znode,<span style="font-family: 瀹嬩綋">騫朵笖鍏舵湁涓涓敮涓鐨勮礬寰勬爣璇嗭紝濡?/span>/SERVER2<span style="font-family: 瀹嬩綋">鑺傜偣鐨勬爣璇嗗氨涓?/span>/APP3/SERVER2<br /> (2)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span>Znode<span style="font-family: 瀹嬩綋">鍙互鏈夊瓙</span>znode<span style="font-family: 瀹嬩綋">錛屽茍涓?/span>znode<span style="font-family: 瀹嬩綋">閲屽彲浠ュ瓨鏁版嵁錛屼絾鏄?/span>EPHEMERAL<span style="font-family: 瀹嬩綋">綾誨瀷鐨勮妭鐐逛笉鑳芥湁瀛愯妭鐐?br /> </span>(3)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span>Znode<span style="font-family: 瀹嬩綋">涓殑鏁版嵁鍙互鏈夊涓増鏈紝姣斿鏌愪竴涓礬寰勪笅瀛樻湁澶氫釜鏁版嵁鐗堟湰錛岄偅涔堟煡璇㈣繖涓礬寰勪笅鐨勬暟鎹氨闇瑕佸甫涓婄増鏈?br /> </span>(4)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span>znode <span style="font-family: 瀹嬩綋">鍙互鏄復(fù)鏃惰妭鐐癸紝涓鏃﹀垱寤鴻繖涓?/span> znode <span style="font-family: 瀹嬩綋">鐨勫鎴風(fēng)涓庢湇鍔″櫒澶卞幓鑱旂郴錛岃繖涓?/span> znode <span style="font-family: 瀹嬩綋">涔熷皢鑷姩鍒犻櫎錛?/span>Zookeeper <span style="font-family: 瀹嬩綋">鐨勫鎴風(fēng)鍜屾湇鍔″櫒閫氫俊閲囩敤闀胯繛鎺ユ柟寮忥紝姣忎釜瀹㈡埛绔拰  鏈嶅姟鍣ㄩ氳繃蹇冭煩鏉ヤ繚鎸佽繛鎺ワ紝榪欎釜榪炴帴鐘舵佺О涓?/span> session<span style="font-family: 瀹嬩綋">錛屽鏋?/span> znode <span style="font-family: 瀹嬩綋">鏄復(fù)鏃惰妭鐐癸紝榪欎釜</span> session <span style="font-family: 瀹嬩綋">澶辨晥錛?/span>znode <span style="font-family: 瀹嬩綋">涔熷氨鍒犻櫎浜?br /> </span>(5)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span>znode <span style="font-family: 瀹嬩綋">鐨勭洰褰曞悕鍙互鑷姩緙栧彿錛屽</span> App1 <span style="font-family: 瀹嬩綋">宸茬粡瀛樺湪錛屽啀鍒涘緩鐨勮瘽錛屽皢浼氳嚜鍔ㄥ懡鍚嶄負</span> App2 <br /> (6)<span style="line-height: normal; font-variant: normal; font-style: normal; font-family: 'Times New Roman'; font-weight: normal">     </span>znode <span style="font-family: 瀹嬩綋">鍙互琚洃鎺э紝鍖呮嫭榪欎釜鐩綍鑺傜偣涓瓨鍌ㄧ殑鏁版嵁鐨勪慨鏀癸紝瀛愯妭鐐圭洰褰曠殑鍙樺寲絳夛紝涓鏃﹀彉鍖栧彲浠ラ氱煡璁劇疆鐩戞帶鐨勫鎴風(fēng)錛岃繖涓姛鑳芥槸</span>zookeeper<span style="font-family: 瀹嬩綋">瀵逛簬搴旂敤鏈閲嶈鐨勭壒鎬э紝閫氳繃榪欎釜鐗規(guī)у彲浠ュ疄鐜扮殑鍔熻兘鍖呮嫭閰嶇疆鐨勯泦涓鐞嗭紝闆嗙兢綆＄悊錛屽垎甯冨紡閿佺瓑絳夈?/span></span>  <br /> <br /> <span lang="EN-US"><o:p style="font-size: 10pt"><strong><span style="font-family: 瀹嬩綋">閫氳繃</span>java<span style="font-family: 瀹嬩綋">浠ｇ爜浣跨敤</span>zookeeper <br /> </strong></o:p></span><span lang="EN-US"><span style="font-size: 10pt"><span lang="EN-US">Zookeeper</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">鐨勪嬌鐢ㄤ富瑕佹槸閫氳繃鍒涘緩鍏?/span><span lang="EN-US">jar</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">鍖呬笅鐨?/span><span lang="EN-US">Zookeeper</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">瀹炰緥錛屽茍涓旇皟鐢ㄥ叾鎺ュ彛鏂規(guī)硶榪涜鐨勶紝涓昏鐨勬搷浣滃氨鏄</span><span lang="EN-US">znode</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">鐨勫鍒犳敼鎿嶄綔錛岀洃鍚?/span><span lang="EN-US">znode</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">鐨勫彉鍖栦互鍙婂鐞嗐?/span></span></span><span lang="EN-US"><o:p> <br /> <br /> </o:p></span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">浠ヤ笅涓轟富瑕佺殑</span><span lang="EN-US">API</span><span style="font-family: 瀹嬩綋; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">浣跨敤鍜岃В閲?/span></span></span></p> <div style="border-bottom: #cccccc 1px solid; border-left: #cccccc 1px solid; padding-bottom: 4px; background-color: #eeeeee; padding-left: 4px; width: 98%; padding-right: 5px; font-size: 13px; word-break: break-all; border-top: #cccccc 1px solid; border-right: #cccccc 1px solid; padding-top: 4px"><img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><span style="color: #008000">//</span><span style="color: #008000">鍒涘緩涓涓猌ookeeper瀹炰緥錛岀涓涓弬鏁頒負鐩爣鏈嶅姟鍣ㄥ湴鍧鍜岀鍙ｏ紝絎簩涓弬鏁頒負Session瓚呮椂鏃墮棿錛岀涓変釜涓鴻妭鐐瑰彉鍖栨椂鐨勫洖璋冩柟娉?/span><span style="color: #008000"><br /> <img id="Codehighlighter1_136_262_Open_Image" onclick="this.style.display='none'; Codehighlighter1_136_262_Open_Text.style.display='none'; Codehighlighter1_136_262_Closed_Image.style.display='inline'; Codehighlighter1_136_262_Closed_Text.style.display='inline';" alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ExpandedBlockStart.gif" /><img style="display: none" id="Codehighlighter1_136_262_Closed_Image" onclick="this.style.display='none'; Codehighlighter1_136_262_Closed_Text.style.display='none'; Codehighlighter1_136_262_Open_Image.style.display='inline'; Codehighlighter1_136_262_Open_Text.style.display='inline';" alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ContractedBlock.gif" /></span><span style="color: #000000">ZooKeeper zk </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> ZooKeeper(</span><span style="color: #000000">"</span><span style="color: #000000">127.0.0.1:2181</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">500000</span><span style="color: #000000">,</span><span style="color: #0000ff">new</span><span style="color: #000000"> Watcher() </span><span style="border-bottom: #808080 1px solid; border-left: #808080 1px solid; background-color: #ffffff; display: none; border-top: #808080 1px solid; border-right: #808080 1px solid" id="Codehighlighter1_136_262_Closed_Text"><img alt="" src="http://m.tkk7.com/Images/dot.gif" /></span><span id="Codehighlighter1_136_262_Open_Text"><span style="color: #000000">{<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/InBlock.gif" />           </span><span style="color: #008000">//</span><span style="color: #008000"> 鐩戞帶鎵鏈夎瑙﹀彂鐨勪簨浠?/span><span style="color: #008000"><br /> <img id="Codehighlighter1_216_254_Open_Image" onclick="this.style.display='none'; Codehighlighter1_216_254_Open_Text.style.display='none'; Codehighlighter1_216_254_Closed_Image.style.display='inline'; Codehighlighter1_216_254_Closed_Text.style.display='inline';" alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" /><img style="display: none" id="Codehighlighter1_216_254_Closed_Image" onclick="this.style.display='none'; Codehighlighter1_216_254_Closed_Text.style.display='none'; Codehighlighter1_216_254_Open_Image.style.display='inline'; Codehighlighter1_216_254_Open_Text.style.display='inline';" alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" /></span><span style="color: #000000">             </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> process(WatchedEvent event) </span><span style="border-bottom: #808080 1px solid; border-left: #808080 1px solid; background-color: #ffffff; display: none; border-top: #808080 1px solid; border-right: #808080 1px solid" id="Codehighlighter1_216_254_Closed_Text"><img alt="" src="http://m.tkk7.com/Images/dot.gif" /></span><span id="Codehighlighter1_216_254_Open_Text"><span style="color: #000000">{<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/InBlock.gif" />           </span><span style="color: #008000">//</span><span style="color: #008000">dosomething</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" /></span><span style="color: #000000">           }</span></span><span style="color: #000000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/ExpandedBlockEnd.gif" />      }</span></span><span style="color: #000000">);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍒涘緩涓涓妭鐐箁oot錛屾暟鎹槸mydata,涓嶈繘琛孉CL鏉冮檺鎺у埗錛岃妭鐐逛負姘鎬箙鎬х殑(鍗沖鎴風(fēng)shutdown浜嗕篃涓嶄細娑堝け)</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/root</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">"</span><span style="color: #000000">mydata</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(),Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍦╮oot涓嬮潰鍒涘緩涓涓猚hildone znode,鏁版嵁涓篶hildone,涓嶈繘琛孉CL鏉冮檺鎺у埗錛岃妭鐐逛負姘鎬箙鎬х殑</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/root/childone</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">childone</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.PERSISTENT);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍙栧緱/root鑺傜偣涓嬬殑瀛愯妭鐐瑰悕縐?榪斿洖List<String></span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.getChildren(</span><span style="color: #000000">"</span><span style="color: #000000">/root</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #0000ff">true</span><span style="color: #000000">);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍙栧緱/root/childone鑺傜偣涓嬬殑鏁版嵁,榪斿洖byte[]</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.getData(</span><span style="color: #000000">"</span><span style="color: #000000">/root/childone</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #0000ff">true</span><span style="color: #000000">, </span><span style="color: #0000ff">null</span><span style="color: #000000">);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">淇敼鑺傜偣/root/childone涓嬬殑鏁版嵁錛岀涓変釜鍙傛暟涓虹増鏈紝濡傛灉鏄?1錛岄偅浼氭棤瑙嗚淇敼鐨勬暟鎹増鏈紝鐩存帴鏀規(guī)帀</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.setData(</span><span style="color: #000000">"</span><span style="color: #000000">/root/childone</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">childonemodify</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), </span><span style="color: #000000">-</span><span style="color: #000000">1</span><span style="color: #000000">);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍒犻櫎/root/childone榪欎釜鑺傜偣錛岀浜屼釜鍙傛暟涓虹増鏈紝錛?鐨勮瘽鐩存帴鍒犻櫎錛屾棤瑙嗙増鏈?/span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.delete(</span><span style="color: #000000">"</span><span style="color: #000000">/root/childone</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">-</span><span style="color: #000000">1</span><span style="color: #000000">);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />      <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000">鍏抽棴session</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.close();<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span></div>  <br /> <strong><span style="font-family: 'Courier New'; color: black"><span style="font-size: 10pt"><span style="font-family: 'Courier New'; color: black">Zookeeper</span><span style="font-family: 瀹嬩綋; color: black">鐨勪富嫻佸簲鐢ㄥ満鏅疄鐜版濊礬錛堥櫎鍘誨畼鏂圭ず渚嬶級</span></span></span> <br /> </strong><span style="font-size: 10pt"><span style="font-family: 'Courier New'; color: black"><strong><br /> (1)</strong></span><span style="font-family: 瀹嬩綋; color: black"><strong>閰嶇疆綆＄悊<br /> </strong></span></span><span style="font-family: 瀹嬩綋; color: black"><span style="font-size: 10pt">闆嗕腑寮忕殑閰嶇疆綆＄悊鍦ㄥ簲鐢ㄩ泦緹や腑鏄潪甯稿父瑙佺殑錛屼竴鑸晢涓氬叕鍙稿唴閮ㄩ兘浼氬疄鐜頒竴濂楅泦涓殑閰嶇疆綆＄悊涓績錛屽簲瀵逛笉鍚岀殑搴旂敤闆嗙兢瀵逛簬鍏變韓鍚勮嚜閰嶇疆鐨勯渶姹傦紝騫朵笖鍦ㄩ厤緗彉鏇存椂鑳藉閫氱煡鍒伴泦緹や腑鐨勬瘡涓涓満鍣ㄣ?br /> </span></span><span style="font-size: 10pt"><span style="font-family: 'Courier New'; color: black"><br /> Zookeeper</span><span style="font-family: 瀹嬩綋; color: black">寰堝鏄撳疄鐜拌繖縐嶉泦涓紡鐨勯厤緗鐞嗭紝姣斿灝?/span><span style="font-family: 'Courier New'; color: black">APP1</span><span style="font-family: 瀹嬩綋; color: black">鐨勬墍鏈夐厤緗厤緗埌</span><span style="font-family: 'Courier New'; color: black">/APP1 znode</span><span style="font-family: 瀹嬩綋; color: black">涓嬶紝</span><span style="font-family: 'Courier New'; color: black">APP1</span><span style="font-family: 瀹嬩綋; color: black">鎵鏈夋満鍣ㄤ竴鍚姩灝卞</span><span style="font-family: 'Courier New'; color: black">/APP1</span><span style="font-family: 瀹嬩綋; color: black">榪欎釜鑺傜偣榪涜鐩戞帶</span><span style="font-family: 'Courier New'; color: black">(zk.exist(</span><span style="font-family: 'Courier New'; color: #2a00ff">"/APP1"</span><span style="font-family: 'Courier New'; color: black">,true)),</span><span style="font-family: 瀹嬩綋; color: black">騫朵笖瀹炵幇鍥炶皟鏂規(guī)硶</span><span style="font-family: 'Courier New'; color: black">Watcher</span><span style="font-family: 瀹嬩綋; color: black">錛岄偅涔堝湪</span><span style="font-family: 'Courier New'; color: black">zookeeper</span><span style="font-family: 瀹嬩綋; color: black">涓?/span><span style="font-family: 'Courier New'; color: black">/APP1 znode</span><span style="font-family: 瀹嬩綋; color: black">鑺傜偣涓嬫暟鎹彂鐢熷彉鍖栫殑鏃跺欙紝姣忎釜鏈哄櫒閮戒細鏀跺埌閫氱煡錛?/span><span style="font-family: 'Courier New'; color: black">Watcher</span><span style="font-family: 瀹嬩綋; color: black">鏂規(guī)硶灝嗕細琚墽琛岋紝閭ｄ箞搴旂敤鍐嶅彇涓嬫暟鎹嵆鍙?/span><span style="font-family: 'Courier New'; color: black">(zk.getData(</span><span style="font-family: 'Courier New'; color: #2a00ff">"/APP1",false,null</span><span style="font-family: 'Courier New'; color: black">));<br /> </span></span><span style="font-family: 瀹嬩綋; color: black"><span style="font-size: 10pt"><br /> 浠ヤ笂榪欎釜渚嬪瓙鍙槸綆鍗曠殑綺楅綺掑害閰嶇疆鐩戞帶錛岀粏棰楃矑搴︾殑鏁版嵁鍙互榪涜鍒嗗眰綰х洃鎺э紝榪欎竴鍒囬兘鏄彲浠ヨ璁″拰鎺у埗鐨勩?/span></span>     <img border="0" alt="" src="http://m.tkk7.com/images/blogjava_net/bucketli/ttt.jpg" /><br /> <strong><span style="font-size: 10pt"><span style="font-family: 'Courier New'; color: black">(2)</span><span style="font-family: 瀹嬩綋; color: black">闆嗙兢綆＄悊</span></span> <br /> </strong><span style="font-family: 瀹嬩綋; color: black"><span style="font-size: 10pt">搴旂敤闆嗙兢涓紝鎴戜滑甯稿父闇瑕佽姣忎竴涓満鍣ㄧ煡閬撻泦緹や腑錛堟垨渚濊禆鐨勫叾浠栨煇涓涓泦緹わ級鍝簺鏈哄櫒鏄椿鐫鐨勶紝騫朵笖鍦ㄩ泦緹ゆ満鍣ㄥ洜涓哄畷鏈猴紝緗戠粶鏂摼絳夊師鍥犺兘澶熶笉鍦ㄤ漢宸ヤ粙鍏ョ殑鎯呭喌涓嬭繀閫熼氱煡鍒版瘡涓涓満鍣ㄣ?br /> </span></span><span style="font-size: 10pt"><span style="font-family: 'Courier New'; color: black"><br /> Zookeeper</span><span style="font-family: 瀹嬩綋; color: black">鍚屾牱寰堝鏄撳疄鐜拌繖涓姛鑳斤紝姣斿鎴戝湪</span><span style="font-family: 'Courier New'; color: black">zookeeper</span><span style="font-family: 瀹嬩綋; color: black">鏈嶅姟鍣ㄧ鏈変竴涓?/span><span style="font-family: 'Courier New'; color: black">znode</span><span style="font-family: 瀹嬩綋; color: black">鍙?/span><span style="font-family: 'Courier New'; color: black">/APP1SERVERS,</span><span style="font-family: 瀹嬩綋; color: black">閭ｄ箞闆嗙兢涓瘡涓涓満鍣ㄥ惎鍔ㄧ殑鏃跺欓兘鍘昏繖涓妭鐐逛笅鍒涘緩涓涓?/span><span style="font-family: 'Courier New'; color: black">EPHEMERAL</span><span style="font-family: 瀹嬩綋; color: black">綾誨瀷鐨勮妭鐐癸紝姣斿</span><span style="font-family: 'Courier New'; color: black">server1</span><span style="font-family: 瀹嬩綋; color: black">鍒涘緩</span><span style="font-family: 'Courier New'; color: black">/APP1SERVERS/SERVER1(</span><span style="font-family: 瀹嬩綋; color: black">鍙互浣跨敤</span><span style="font-family: 'Courier New'; color: black">ip,</span><span style="font-family: 瀹嬩綋; color: black">淇濊瘉涓嶉噸澶?/span><span style="font-family: 'Courier New'; color: black">)</span><span style="font-family: 瀹嬩綋; color: black">錛?/span><span style="font-family: 'Courier New'; color: black">server2</span><span style="font-family: 瀹嬩綋; color: black">鍒涘緩</span><span style="font-family: 'Courier New'; color: black">/APP1SERVERS/SERVER2</span><span style="font-family: 瀹嬩綋; color: black">錛岀劧鍚?/span><span style="font-family: 'Courier New'; color: black">SERVER1</span><span style="font-family: 瀹嬩綋; color: black">鍜?/span><span style="font-family: 'Courier New'; color: black">SERVER2</span><span style="font-family: 瀹嬩綋; color: black">閮?/span><span style="font-family: 'Courier New'; color: black">watch /APP1SERVERS</span><span style="font-family: 瀹嬩綋; color: black">榪欎釜鐖惰妭鐐癸紝閭ｄ箞涔熷氨鏄繖涓埗鑺傜偣涓嬫暟鎹垨鑰呭瓙鑺傜偣鍙樺寲閮戒細閫氱煡瀵硅鑺傜偣榪涜</span><span style="font-family: 'Courier New'; color: black">watch</span><span style="font-family: 瀹嬩綋; color: black">鐨勫鎴風(fēng)銆傚洜涓?/span><span style="font-family: 'Courier New'; color: black">EPHEMERAL</span><span style="font-family: 瀹嬩綋; color: black">綾誨瀷鑺傜偣鏈変竴涓緢閲嶈鐨勭壒鎬э紝灝辨槸瀹㈡埛绔拰鏈嶅姟鍣ㄧ榪炴帴鏂帀鎴栬?/span><span style="font-family: 'Courier New'; color: black">session</span><span style="font-family: 瀹嬩綋; color: black">榪囨湡灝變細浣胯妭鐐規(guī)秷澶憋紝閭ｄ箞鍦ㄦ煇涓涓満鍣ㄦ寕鎺夋垨鑰呮柇閾劇殑鏃跺欙紝鍏跺搴旂殑鑺傜偣灝變細娑堝け錛岀劧鍚庨泦緹や腑鎵鏈夊</span><span style="font-family: 'Courier New'; color: black">/APP1SERVERS</span><span style="font-family: 瀹嬩綋; color: black">榪涜</span><span style="font-family: 'Courier New'; color: black">watch</span><span style="font-family: 瀹嬩綋; color: black">鐨勫鎴風(fēng)閮戒細鏀跺埌閫氱煡錛岀劧鍚庡彇寰楁渶鏂板垪琛ㄥ嵆鍙?br /> </span></span><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋; color: black"><br /> 鍙﹀鏈変竴涓簲鐢ㄥ満鏅氨鏄泦緹ら?/span><span style="font-family: 'Courier New'; color: black">master,</span><span style="font-family: 瀹嬩綋; color: black">涓鏃?/span><span style="font-family: 'Courier New'; color: black">master</span><span style="font-family: 瀹嬩綋; color: black">鎸傛帀鑳藉椹笂鑳戒粠</span><span style="font-family: 'Courier New'; color: black">slave</span><span style="font-family: 瀹嬩綋; color: black">涓夊嚭涓涓?/span><span style="font-family: 'Courier New'; color: black">master,</span><span style="font-family: 瀹嬩綋; color: black">瀹炵幇姝ラ鍜屽墠鑰呬竴鏍鳳紝鍙槸鏈哄櫒鍦ㄥ惎鍔ㄧ殑鏃跺欏湪</span><span style="font-family: 'Courier New'; color: black">APP1SERVERS</span><span style="font-family: 瀹嬩綋; color: black">鍒涘緩鐨勮妭鐐圭被鍨嬪彉涓?/span><span style="font-family: 'Courier New'; color: black">EPHEMERAL_SEQUENTIAL</span><span style="font-family: 瀹嬩綋; color: black">綾誨瀷錛岃繖鏍鋒瘡涓妭鐐逛細鑷姩琚紪鍙鳳紝渚嬪</span></span>           <div style="border-bottom: #cccccc 1px solid; border-left: #cccccc 1px solid; padding-bottom: 4px; background-color: #eeeeee; padding-left: 4px; width: 98%; padding-right: 5px; font-size: 13px; word-break: break-all; border-top: #cccccc 1px solid; border-right: #cccccc 1px solid; padding-top: 4px"><img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath1</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">1</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL_SEQUENTIAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath2</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">2</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL_SEQUENTIAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath3</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">3</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL_SEQUENTIAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000"> 鍒涘緩涓涓瓙鐩綍鑺傜偣</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath4</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">4</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL_SEQUENTIAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />System.out.println(zk.getChildren(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #0000ff">false</span><span style="color: #000000">));<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span></div>  <span style="font-size: 10pt"><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">鎵撳嵃緇撴灉錛?/span></span><span style="font-family: 'Courier New'; color: black; font-size: 10pt; mso-font-kerning: 0pt" lang="EN-US"><span style="font-size: 10pt">[testChildPath10000000000, testChildPath20000000001, testChildPath40000000003, testChildPath30000000002]<br /> <br /> </span><o:p> <div style="border-bottom: #cccccc 1px solid; border-left: #cccccc 1px solid; padding-bottom: 4px; background-color: #eeeeee; padding-left: 4px; width: 98%; padding-right: 5px; font-size: 13px; word-break: break-all; border-top: #cccccc 1px solid; border-right: #cccccc 1px solid; padding-top: 4px"><img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">"</span><span style="color: #000000">testRootData</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(),Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000"> 鍒涘緩涓涓瓙鐩綍鑺傜偣</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath1</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">1</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath2</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">2</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath3</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">3</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />        <br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #008000">//</span><span style="color: #008000"> 鍒涘緩涓涓瓙鐩綍鑺傜偣</span><span style="color: #008000"><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span><span style="color: #000000">zk.create(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath/testChildPath4</span><span style="color: #000000">"</span><span style="color: #000000">,</span><span style="color: #000000">"</span><span style="color: #000000">4</span><span style="color: #000000">"</span><span style="color: #000000">.getBytes(), Ids.OPEN_ACL_UNSAFE,CreateMode.EPHEMERAL);<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /><br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" />System.out.println(zk.getChildren(</span><span style="color: #000000">"</span><span style="color: #000000">/testRootPath</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #0000ff">false</span><span style="color: #000000">));<br /> <img alt="" align="top" src="http://m.tkk7.com/images/OutliningIndicators/None.gif" /></span></div> <span style="font-family: 瀹嬩綋; color: black; font-size: 10pt"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋; color: black">鎵撳嵃緇撴灉:</span><span style="font-family: 'Courier New'; color: black">[testChildPath2, testChildPath1, testChildPath4, testChildPath3]<br /> </span></span></span><span style="font-family: 'Courier New'; color: black; font-size: 10pt"><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt"><br /> 鎴戜滑榛樿瑙勫畾緙栧彿鏈灝忕殑涓?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master,</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">鎵浠ュ綋鎴戜滑瀵?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">/APP1SERVERS</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">鑺傜偣鍋氱洃鎺х殑鏃跺欙紝寰楀埌鏈嶅姟鍣ㄥ垪琛紝鍙鎵鏈夐泦緹ゆ満鍣ㄩ昏緫璁や負鏈灝忕紪鍙瘋妭鐐逛負</span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">錛岄偅涔?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">灝辮閫夊嚭錛岃岃繖涓?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">瀹曟満鐨勬椂鍊欙紝鐩稿簲鐨?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">znode</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">浼氭秷澶憋紝鐒跺悗鏂扮殑鏈嶅姟鍣ㄥ垪琛ㄥ氨琚帹閫佸埌瀹㈡埛绔紝鐒跺悗姣忎釜鑺傜偣閫昏緫璁や負鏈灝忕紪鍙瘋妭鐐逛負</span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">錛岃繖鏍峰氨鍋氬埌鍔ㄦ?/span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US">master</span><span style="font-family: 瀹嬩綋; color: black; mso-fareast-font-family: 瀹嬩綋; mso-fareast-theme-font: minor-fareast; mso-bidi-font-family: 'Courier New'; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt">閫変婦銆?br /> </span><span style="font-family: 'Courier New'; color: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span><img border="0" alt="" src="http://m.tkk7.com/images/blogjava_net/bucketli/xxx.jpg" /><br /> <br /> <strong>鎬葷粨</strong>  <p style="text-indent: -18pt; margin-left: 18pt" class="MsoListParagraph"><span style="font-family: 瀹嬩綋">鎴戜滑鍒濇浣跨敤浜嗕竴涓?/span>zookeeper<span style="font-family: 瀹嬩綋">騫朵笖灝濊瘯鐫鎻忚堪浜嗗嚑縐嶅簲鐢ㄥ満鏅殑鍏蜂綋瀹炵幇鎬濊礬錛屾帴涓嬫潵鐨勬枃绔狅紝鎴戜滑浼氬皾璇曠潃鍘繪帰絀朵竴涓?/span>zookeeper<span style="font-family: 瀹嬩綋">鐨勯珮鍙敤鎬т笌</span>leaderElection<span style="font-family: 瀹嬩綋">綆楁硶銆?/span></p> <p><span style="font-family: 瀹嬩綋"><strong>鍙傝?/strong>錛?/span><a >http://www.ibm.com/developerworks/cn/opensource/os-cn-zookeeper/</a></p> <p>      <a >http://hadoop.apache.org/zookeeper/docs/current/</a></p> <p>      <a >http://rdc.taobao.com/team/jm/archives/448</a><br /> </span></o:p></span></p> <img src ="http://m.tkk7.com/BucketLi/aggbug/341268.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/BucketLi/" target="_blank">BucketLI</a> 2010-12-21 18:58 <a href="http://m.tkk7.com/BucketLi/archive/2010/12/21/341268.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>JAVA綰跨▼姹犱唬鐮佹祬鏋?/title><link>http://m.tkk7.com/BucketLi/archive/2010/12/16/340295.html</link><dc:creator>BucketLI</dc:creator><author>BucketLI</author><pubDate>Thu, 16 Dec 2010 05:57:00 GMT</pubDate><guid>http://m.tkk7.com/BucketLi/archive/2010/12/16/340295.html</guid><wfw:comment>http://m.tkk7.com/BucketLi/comments/340295.html</wfw:comment><comments>http://m.tkk7.com/BucketLi/archive/2010/12/16/340295.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/BucketLi/comments/commentRss/340295.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/BucketLi/services/trackbacks/340295.html</trackback:ping><description><![CDATA[     鎽樿:  1.       ExecutorService  Java浠?.5寮濮嬫寮忔彁渚涗簡騫跺彂鍖?鑰岃繖涓茍鍙戝寘閲岄潰闄や簡鍘熷瓙鍙橀噺,synchronizer,騫跺彂瀹瑰櫒,鍙﹀涓涓潪甯擱噸瑕佺殑鐗規(guī)у氨鏄嚎紼嬫睜.瀵逛簬綰跨▼姹犵殑鎰忎箟,鎴戜滑榪欒竟涓嶅啀澶氳. 涓婂浘鏄嚎紼嬫睜鐨勪富浣撶被鍥?ThreadPoolExecutor鏄簲鐢ㄦ渶涓哄箍娉涚殑涓涓?..  <a href='http://m.tkk7.com/BucketLi/archive/2010/12/16/340295.html'>闃呰鍏ㄦ枃</a><img src ="http://m.tkk7.com/BucketLi/aggbug/340295.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/BucketLi/" target="_blank">BucketLI</a> 2010-12-16 13:57 <a href="http://m.tkk7.com/BucketLi/archive/2010/12/16/340295.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>JAVA騫跺彂瀹瑰櫒浠ｇ爜闅忚http://m.tkk7.com/BucketLi/archive/2010/11/25/335623.htmlBucketLIBucketLIThu, 25 Nov 2010 05:43:00 GMThttp://m.tkk7.com/BucketLi/archive/2010/11/25/335623.htmlhttp://m.tkk7.com/BucketLi/comments/335623.htmlhttp://m.tkk7.com/BucketLi/archive/2010/11/25/335623.html#Feedback3http://m.tkk7.com/BucketLi/comments/commentRss/335623.htmlhttp://m.tkk7.com/BucketLi/services/trackbacks/335623.html闃呰鍏ㄦ枃

BucketLI 2010-11-25 13:43 鍙戣〃璇勮
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BucketLI 2010-10-22 10:40 鍙戣〃璇勮
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BucketLI 2010-09-30 12:05 鍙戣〃璇勮
]]>Netty浠ｇ爜鍒嗘瀽http://m.tkk7.com/BucketLi/archive/2010/09/25/332462.htmlBucketLIBucketLISat, 25 Sep 2010 04:10:00 GMThttp://m.tkk7.com/BucketLi/archive/2010/09/25/332462.htmlhttp://m.tkk7.com/BucketLi/comments/332462.htmlhttp://m.tkk7.com/BucketLi/archive/2010/09/25/332462.html#Feedback1http://m.tkk7.com/BucketLi/comments/commentRss/332462.htmlhttp://m.tkk7.com/BucketLi/services/trackbacks/332462.html闃呰鍏ㄦ枃

BucketLI 2010-09-25 12:10 鍙戣〃璇勮
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