Redis瀹炴垬锛氬井淇℃姠绾㈠寘銆丣meter鍘嬫祴锛堥檮婧愮爜锛?/h1>

Posted 2021-03-31 Java闈㈣瘯閭ｄ簺浜嬪効

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涓哄暐鍐欒繖涓井淇℃姠绾㈠寘椤圭洰鍛紝鍏徃 2020 骞?8 鏈?22 鏃ワ紝鍏徃鍛ㄥ勾搴嗭紝鎶簡100澶氱孩鍖咅煣э紝O(鈭鈭?O鍝堝搱~

# 涓氬姟娴佺▼鍒嗘瀽

# 鍔熻兘鎷嗚В

鏂板缓绾㈠寘

鍦?DB銆丷edis 鍒嗗埆鏂板涓€鏉¤褰?/span>

鎶㈢孩鍖?骞跺彂)

銆屼娇鐢ㄦ妧鏈€?/span>

Redis 涓暟鎹被鍨嬬殑 String 鐗规€х殑鍘熷瓙閫掑噺锛圖ECR key锛夊拰鍑忓皯鎸囧畾鍊硷紙DECRBY key decrement锛?/span>

銆屼笟鍔°€?/span>

1. 璇锋眰 Redis 锛屽綋鍓╀綑绾㈠寘涓暟澶т簬 0锛岀孩鍖呬釜鏁板師瀛愰€掑噺锛岄殢鏈鸿幏鍙栫孩鍖?/span>
2. 璁＄畻閲戦锛屽綋鏈€鍚庝竴涓孩鍖呮椂锛屾渶鍚庝竴涓孩鍖呴噾棰?鎬婚噾棰?鎬诲凡鎶㈢孩鍖呴噾棰?/span>
3. 鏇存柊鏁版嵁搴?/span>

銆屾煡璇㈢孩鍖呰褰曘€?/span>

鏌ヨ DB 鍗冲彲

# 鏁版嵁搴撹璁?/span>

绾㈠寘娴佹按琛?/span>

CREATE TABLE `red_packet_info` ( `id` int(11) NOT NULL AUTO_INCREMENT, `red_packet_id` bigint(11) NOT NULL DEFAULT 0 COMMENT '绾㈠寘id锛岄噰饨?/span>timestamp+5浣嶉殢鏈烘暟', `total_amount` int(11) NOT NULL DEFAULT 0 COMMENT '绾㈠寘鎬烩睛棰濓紝鍗曚綅鍒?, `total_packet` int(11) NOT NULL DEFAULT 0 COMMENT '绾㈠寘鎬讳釜鏁?, `remaining_amount` int(11) NOT NULL DEFAULT 0 COMMENT '鍓╀綑绾㈠寘饩﹂锛屽崟浣?/span>鍒?, `remaining_packet` int(11) NOT NULL DEFAULT 0 COMMENT '鍓╀綑绾㈠寘涓暟', `uid` int(20) NOT NULL DEFAULT 0 COMMENT '鏂板缓绾㈠寘饨ゆ埛鐨勨饯鎴锋爣璇?, `create_time` timestamp COMMENT '鍒涘缓鏃堕棿', `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATECURRENT_TIMESTAMP COMMENT '鏇存柊鏃堕棿', PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='绾㈠寘淇℃伅琛紝鏂板缓饧€涓孩鍖呮彃饧娾紑鏉¤褰?;

绾㈠寘璁板綍琛?/span>

CREATE TABLE `red_packet_record` ( `id` int(11) NOT NULL AUTO_INCREMENT, `amount` int(11) NOT NULL DEFAULT '0' COMMENT '鎶㈠埌绾㈠寘鐨勨睛棰?, `nick_name` varchar(32) NOT NULL DEFAULT '0' COMMENT '鎶㈠埌绾㈠寘鐨勨饯鎴风殑饨ゆ埛鍚?, `img_url` varchar(255) NOT NULL DEFAULT '0' COMMENT '鎶㈠埌绾㈠寘鐨勨饯鎴风殑澶村儚', `uid` int(20) NOT NULL DEFAULT '0' COMMENT '鎶㈠埌绾㈠寘饨ゆ埛鐨勨饯鎴锋爣璇?, `red_packet_id` bigint(11) NOT NULL DEFAULT '0' COMMENT '绾㈠寘id锛岄噰饨?/span>timestamp+5浣嶉殢鏈烘暟', `create_time` timestamp COMMENT '鍒涘缓鏃堕棿', `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATECURRENT_TIMESTAMP COMMENT '鏇存柊鏃堕棿', PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='鎶㈢孩鍖呰褰曡〃锛屾姠饧€涓孩鍖呮彃饧娾紑鏉¤褰?;

# 鍙戠孩鍖?API

鍙戠孩鍖呮帴鍙ｅ紑鍙?/span>

• 鏂板涓€鏉＄孩鍖呰褰?/span>
• 寰€ mysql 閲岄潰娣诲姞涓€鏉＄孩鍖呰褰?/span>
• 寰€ redis 閲岄潰娣诲姞涓€鏉＄孩鍖呮暟閲忚褰?/span>
• 寰€redis閲岄潰娣诲姞涓€鏉＄孩鍖呴噾棰濊褰?/span>

鉂濆線db涓氨鍗曠函瀛樺叆涓€鏉¤褰曪紝Service灞傚拰Mapper灞傦紝灏辩畝鍗曠殑涓€鏉ql璇彞锛屼富瑕佹槸鎻愪緵鎬濊矾锛屼笅闈細闄勬渚嬫簮鐮侊紝涓嶈鎱屸潪

# 鎶㈢孩鍖?API

• 鎶㈢孩鍖呭姛鑳藉睘浜庡師瀛愬噺鎿嶄綔
• 褰撳ぇ灏忓皬浜?0 鏃跺師瀛愬噺澶辫触
• 褰撶孩鍖呬釜鏁颁负0鏃讹紝鍚庨潰杩涙潵鐨勭敤鎴峰叏閮ㄦ姠绾㈠寘澶辫触锛屽苟涓嶄細杩涘叆鎷嗙孩鍖呯幆鑺?/span>
• 鎶㈢孩鍖呭姛鑳借璁?/span>
• 灏嗙孩鍖匢D鐨勮姹傛斁鍏ヨ姹傞槦鍒椾腑锛屽鏋滃彂鐜拌秴杩囩孩鍖呯殑涓暟锛岀洿鎺ヨ繑鍥?/span>
• 娉ㄦ剰浜嬮」
• 鎶㈠埌绾㈠寘涓嶄竴瀹氳兘鎷嗘垚鍔?/span>

鎶㈢孩鍖呯畻娉曟媶瑙?/span>

閫氳繃涓婂浘绠楁硶寰楀嚭锛岄潬鍓嶉潰鐨勪汉锛屾墜姘旀渶浣冲嚑鐜囧皬锛屾墜姘旀渶浣筹紝寰€寰€鍦ㄥ悗闈?/span>

1.鍙?100 鍏冿紝鍏?10 涓孩鍖咃紝閭ｄ箞骞冲潎鍊兼槸 10 鍏冧竴涓紝閭ｄ箞鍙戝嚭鏉ョ殑绾㈠寘閲戦鍦?0.01~20 鍏冧箣闂存尝鍔?/span>

2.褰撳墠闈?4 涓孩鍖呮€诲叡琚浜?30 鍏冩椂锛屽墿涓?70 鍏冿紝鎬诲叡 6 涓孩鍖咃紝閭ｄ箞杩?6 涓孩鍖呯殑閲戦鍦?0.01~23.3 鍏冧箣闂存尝鍔?/span>

鎶㈢孩鍖呮帴鍙ｅ紑鍙?/span>

銆屾祴璇曘€?/span>

銆屽彂绾㈠寘銆?/span>

# 妯℃嫙楂樺苟鍙戞姠绾㈠寘(Jmeter鍘嬫祴宸ュ叿)

鍥犱负鎴戝彂浜?10 涓孩鍖咃紝閲戦鏄?20000锛屼娇鐢ㄥ帇娴嬪伐鍏凤紝妯℃嫙50涓姹傦紝鍙厑璁稿墠10涓姹傝兘鎶㈠埌绾㈠寘锛屽苟涓旈噾棰濈瓑浜?0000銆?/span>

# 甯冮殕杩囨护鍣?/span>

浠嬬粛

甯冮殕杩囨护鍣ㄦ槸1970骞寸敱甯冮殕鎻愬嚭鐨勩€傚畠瀹為檯涓婃槸涓€涓緢闀跨殑浜岃繘鍒跺悜閲忓拰涓€绯诲垪闅忔満鏄犲皠鍑芥暟銆傚竷闅嗚繃婊ゅ櫒鍙互鐢ㄤ簬妫€绱竴涓厓绱犳槸鍚﹀湪涓€涓泦鍚堜腑銆傚畠鐨勪紭鐐规槸绌洪棿鏁堢巼鍜屾煡璇㈡椂闂撮兘杩滆繙瓒呰繃涓€鑸殑绠楁硶锛岀己鐐规槸鏈変竴瀹氱殑璇瘑鍒巼鍜屽垹闄ゅ洶闅俱€?/span>

浼樼偣

鐩告瘮浜庡叾浠栫殑鏁版嵁缁撴瀯锛屽竷闅嗚繃婊ゅ櫒鍦ㄧ┖闂村拰鏃堕棿鏂归潰閮芥湁宸ㄥぇ鐨勪紭鍔裤€傚竷闅嗚繃婊ゅ櫒瀛樺偍绌洪棿鍜屾彃鍏?鏌ヨ鏃堕棿閮芥槸甯告暟銆傚彟澶栦笁鍒楀嚱鏁扮浉浜掍箣闂存病鏈夊叧绯伙紝鏂逛究鐢辩‖浠跺苟琛屽疄鐜般€傚竷闅嗚繃婊ゅ櫒涓嶉渶瑕佸瓨鍌ㄥ厓绱犳湰韬紝鍦ㄦ煇浜涘淇濆瘑瑕佹眰闈炲父涓ユ牸鐨勫満鍚堟湁浼樺娍銆?/span>

缂虹偣

浣嗘槸甯冮殕杩囨护鍣ㄧ殑缂虹偣鍜屾湁鐐逛竴鏍锋槑鏄俱€傝绠楃巼鏄叾涓箣涓€銆傞殢鐫€瀛樺叆鐨勫厓绱犳暟閲忓鍔狅紝璇畻鐜囬殢涔嬪鍔犮€備絾鏄鏋滃厓绱犳暟閲忓お灏戯紝鍒欎娇鐢ㄦ暎鍒楄〃瓒崇煟銆?/span>

甯冮殕杩囨护鍣ㄦ湁浠€涔堢敤

1. 榛戝娴侀噺鏀诲嚮锛氭晠鎰忚闂笉瀛樺湪鐨勬暟鎹紝瀵艰嚧鏌ョ▼搴忎笉鏂闂瓺B鐨勬暟鎹?/span>
2. 榛戝瀹夊叏闃绘埅锛氬綋榛戝璁块棶涓嶅瓨鍦ㄧ殑缂撳瓨鏃惰繀閫熻繑鍥為伩鍏嶇紦瀛樺強DB鎸傛帀
3. 缃戦〉鐖櫕瀵?URL 鐨勫幓閲嶏紝閬垮厤鐖彇鐩稿悓鐨刄RL鍦板潃
4. 鍙嶅瀮鍦鹃偖浠讹紝浠庢暟鍗佷嚎涓瀮鍦鹃偖浠跺垪琛ㄤ腑鍒ゆ柇鏌愰偖浠舵槸鍚﹀瀮鍦鹃偖浠?鍚岀悊锛屽瀮鍦剧煭淇?
5. 缂撳瓨鍑荤┛锛屽皢宸插瓨鍦ㄧ殑缂撳瓨鏀惧埌甯冮殕涓紝褰撻粦瀹㈣闂笉瀛樺湪鐨勭紦瀛樻椂杩呴€熻繑鍥為伩鍏嶇紦瀛樺強 DB 鎸傛帀

# 甯冮殕杩囨护鍣ㄥ疄鐜颁細鍛樿浆鐩樻娊濂?/span>

闇€姹?/span>

涓€涓娊濂栫▼搴忥紝鍙拡瀵逛細鍛樼敤鎴锋湁鏁?/span>

閫氳繃google甯冮殕杩囨护鍣ㄥ瓨鍌ㄤ細鍛樻暟鎹?/span>

1. 绋嬪簭鍚姩鏃跺皢鏁版嵁鏀惧叆鍐呭瓨涓?/span>
2. google鑷姩鍒涘缓甯冮殕杩囨护鍣?/span>
3. 鐢ㄦ埛ID杩涙潵涔嬪悗鍒ゆ柇鏄惁鏄細鍛?/span>

浠ｇ爜瀹炵幇

寮曞叆渚濊禆

<dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>29.0-jre</version></dependency>

鏁版嵁搴撲細鍛樿〃

CREATE TABLE `sys_user` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `user_name` varchar(11) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '饨ゆ埛鍚?, `image` varchar(11) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '饨ゆ埛澶村儚', PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8;

鍒濆鍖栧竷闅嗚繃婊ゅ櫒

dao 灞傚拰 dao 鏄犲皠鏂囦欢锛屽氨鍗曠函鐨勪竴涓?sql 鏌ヨ锛岀湅鏍稿績鏂规硶锛屼笅闈細闄勬簮鐮佹淮锛屼笉瑕佹厡濂藉槢

鎺у埗灞?/span>

娴嬭瘯

缂虹偣

1. 鍐呭瓨绾у埆浜ч儴
2. 閲嶅惎鍗冲け鏁?/span>
3. 鏈湴鍐呭瓨鏃犳硶鐢ㄥ湪鍒嗗竷寮忓満鏅?/span>
4. 涓嶆敮鎸佸ぇ鏁版嵁閲忓瓨鍌?/span>

# Redis甯冮殕杩囨护鍣?/span>

浼樼偣

1. 鍙墿灞曟€?Bloom 杩囨护鍣?/span>
2. 涓嶅瓨鍦ㄩ噸鍚嵆澶辨晥鎴栧畾鏃朵换鍔＄淮鎶ょ殑鎴愭湰

缂虹偣

1. 闇€瑕佺綉缁淚O锛屾€ц兘姣斿熀浜庡唴瀛樼殑杩囨护鍣ㄤ綆

甯冮殕杩囨护鍣ㄥ畨瑁?/span>

銆屼笅杞姐€?/span>

github锛歨ttps://github.com/RedisBloom/RedisBloom

閾炬帴: https://pan.baidu.com/s/16DlKLm8WGFzGkoPpy8y4Aw 瀵嗙爜: 25w1

銆岀紪璇戙€?/span>

make

銆屽皢 Rebloom 鍔犺浇鍒?Redis 涓€?/span>

鍏堟妸 Redis 缁欏仠鎺夛紒锛侊紒鍦?redis.conf 閲岄潰娣诲姞涓€琛屽懡浠?>鍔犺浇妯″潡

loadmodule /usr/soft/RedisBloom-2.2.4/redisbloom.so

銆屾祴璇曞竷闅嗚繃婊ゅ櫒銆?/span>

# SpringBoot 鏁村悎 Redis 甯冮殕杩囨护鍣?/span>

缂栧啓涓や釜lua鑴氭湰

1. 娣诲姞鏁版嵁鍒版寚瀹氬悕绉扮殑甯冮殕杩囨护鍣?/span>
2. 浠庢寚瀹氬悕绉扮殑甯冮殕杩囨护鍣ㄨ幏鍙杒ey鏄惁瀛樺湪鐨勮剼鏈?/span>

local bloomName = KEYS[1]local value = KEYS[2]--bloomFilterlocal result_1 = redis.call('BF.ADD',bloomName,value)return result_1

local bloomName = KEYS[1]local value = KEYS[2]--bloomFilterlocal result_1 = redis.call('BF.EXISTS',bloomName,value)return result_1