Redis搴旂敤鍦烘櫙(杞

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1. 聽MySql+Memcached鏋舵瀯鐨勯棶棰?/span>

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銆€銆€瀹為檯MySQL鏄€傚悎杩涜娴烽噺鏁版嵁瀛樺偍鐨勶紝閫氳繃Memcached灏嗙儹鐐规暟鎹姞杞藉埌cache锛屽姞閫熻闂紝寰堝鍏徃閮芥浘缁忎娇鐢ㄨ繃杩欐牱鐨勬灦鏋勶紝浣嗛殢鐫€涓氬姟鏁版嵁閲忕殑涓嶆柇澧炲姞锛屽拰璁块棶閲忕殑鎸佺画澧為暱锛屾垜浠亣鍒颁簡寰堝闂锛?/p>

銆€銆€1.MySQL闇€瑕佷笉鏂繘琛屾媶搴撴媶琛紝Memcached涔熼渶涓嶆柇璺熺潃鎵╁锛屾墿瀹瑰拰缁存姢宸ヤ綔鍗犳嵁澶ч噺寮€鍙戞椂闂淬€?/p>

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銆€銆€4.璺ㄦ満鎴縞ache鍚屾闂銆?/p>

銆€銆€浼楀NoSQL鐧捐姳榻愭斁锛屽浣曢€夋嫨

銆€銆€鏈€杩戝嚑骞达紝涓氱晫涓嶆柇娑岀幇鍑哄緢澶氬悇绉嶅悇鏍风殑NoSQL浜у搧锛岄偅涔堝浣曟墠鑳芥纭湴浣跨敤濂借繖浜涗骇鍝侊紝鏈€澶у寲鍦板彂鎸ュ叾闀垮锛屾槸鎴戜滑闇€瑕佹繁鍏ョ爺绌跺拰鎬濊€冪殑闂锛屽疄闄呭綊鏍圭粨搴曟渶閲嶈鐨勬槸浜嗚В杩欎簺浜у搧鐨勫畾浣嶏紝骞朵笖浜嗚В鍒版瘡娆句骇鍝佺殑tradeoffs锛屽湪瀹為檯搴旂敤涓仛鍒版壃闀块伩鐭紝鎬讳綋涓婅繖浜汵oSQL涓昏鐢ㄤ簬瑙ｅ喅浠ヤ笅鍑犵闂

銆€銆€1.灏戦噺鏁版嵁瀛樺偍锛岄珮閫熻鍐欒闂€傛绫讳骇鍝侀€氳繃鏁版嵁鍏ㄩ儴in-momery 鐨勬柟寮忔潵淇濊瘉楂橀€熻闂紝鍚屾椂鎻愪緵鏁版嵁钀藉湴鐨勫姛鑳斤紝瀹為檯杩欐鏄疪edis鏈€涓昏鐨勯€傜敤鍦烘櫙銆?/span>

銆€銆€2.娴烽噺鏁版嵁瀛樺偍锛屽垎甯冨紡绯荤粺鏀寔锛屾暟鎹竴鑷存€т繚璇侊紝鏂逛究鐨勯泦缇よ妭鐐规坊鍔?鍒犻櫎銆?/p>

銆€銆€3.杩欐柟闈㈡渶鍏蜂唬琛ㄦ€х殑鏄痙ynamo鍜宐igtable 2绡囪鏂囨墍闃愯堪鐨勬€濊矾銆傚墠鑰呮槸涓€涓畬鍏ㄦ棤涓績鐨勮璁★紝鑺傜偣涔嬮棿閫氳繃gossip鏂瑰紡浼犻€掗泦缇や俊鎭紝鏁版嵁淇濊瘉鏈€缁堜竴鑷存€э紝鍚庤€呮槸涓€涓腑蹇冨寲鐨勬柟妗堣璁★紝閫氳繃绫讳技涓€涓垎甯冨紡閿佹湇鍔℃潵淇濊瘉寮轰竴鑷存€?鏁版嵁鍐欏叆鍏堝啓鍐呭瓨鍜宺edo log锛岀劧鍚庡畾鏈焎ompat褰掑苟鍒扮鐩樹笂锛屽皢闅忔満鍐欎紭鍖栦负椤哄簭鍐欙紝鎻愰珮鍐欏叆鎬ц兘銆?/p>

銆€銆€4.Schema free锛宎uto-sharding绛夈€傛瘮濡傜洰鍓嶅父瑙佺殑涓€浜涙枃妗ｆ暟鎹簱閮芥槸鏀寔schema-free鐨勶紝鐩存帴瀛樺偍json鏍煎紡鏁版嵁锛屽苟涓旀敮鎸乤uto-sharding绛夊姛鑳斤紝姣斿mongodb銆?/p>

銆€銆€闈㈠杩欎簺涓嶅悓绫诲瀷鐨凬oSQL浜у搧,鎴戜滑闇€瑕佹牴鎹垜浠殑涓氬姟鍦烘櫙閫夋嫨鏈€鍚堥€傜殑浜у搧銆?/p>

聽 聽 聽 聽Redis鏈€閫傚悎鎵€鏈夋暟鎹甶n-momory鐨勫満鏅紝铏界劧Redis涔熸彁渚涙寔涔呭寲鍔熻兘锛屼絾瀹為檯鏇村鐨勬槸涓€涓猟isk-backed鐨勫姛鑳斤紝璺熶紶缁熸剰涔変笂鐨勬寔涔呭寲鏈夋瘮杈冨ぇ鐨勫樊鍒紝閭ｄ箞鍙兘澶у灏变細鏈夌枒闂紝浼间箮Redis鏇村儚涓€涓姞寮虹増鐨凪emcached锛岄偅涔堜綍鏃朵娇鐢∕emcached,浣曟椂浣跨敤Redis鍛?

聽 聽 聽 聽濡傛灉绠€鍗曞湴姣旇緝Redis涓嶮emcached鐨勫尯鍒紝澶у鏁伴兘浼氬緱鍒颁互涓嬭鐐癸細

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Redis鏈€涓哄父鐢ㄧ殑鏁版嵁绫诲瀷涓昏鏈変互涓嬶細

• String
• Hash
• List
• Set
• Sorted set
• pub/sub
• Transactions

鍦ㄥ叿浣撴弿杩拌繖鍑犵鏁版嵁绫诲瀷涔嬪墠锛屾垜浠厛閫氳繃涓€寮犲浘浜嗚В涓婻edis鍐呴儴鍐呭瓨绠＄悊涓槸濡備綍鎻忚堪杩欎簺涓嶅悓鏁版嵁绫诲瀷鐨勶細

聽 聽 聽 聽 聽棣栧厛Redis鍐呴儴浣跨敤涓€涓猺edisObject瀵硅薄鏉ヨ〃绀烘墍鏈夌殑key鍜寁alue,redisObject鏈€涓昏鐨勪俊鎭涓婂浘鎵€绀猴細

聽 聽 聽 聽 聽type浠ｈ〃涓€涓獀alue瀵硅薄鍏蜂綋鏄綍绉嶆暟鎹被鍨嬶紝

聽 聽 聽 聽 聽encoding鏄笉鍚屾暟鎹被鍨嬪湪redis鍐呴儴鐨勫瓨鍌ㄦ柟寮忥紝

聽 聽 聽 聽 聽姣斿锛歵ype=string浠ｈ〃value瀛樺偍鐨勬槸涓€涓櫘閫氬瓧绗︿覆锛岄偅涔堝搴旂殑encoding鍙互鏄痳aw鎴栬€呮槸int,濡傛灉鏄痠nt鍒欎唬琛ㄥ疄闄卹edis鍐呴儴鏄寜鏁板€煎瀷绫诲瓨鍌ㄥ拰琛ㄧず杩欎釜瀛楃涓茬殑锛屽綋鐒跺墠鎻愭槸杩欎釜瀛楃涓叉湰韬彲浠ョ敤鏁板€艰〃绀猴紝姣斿:"123" "456"杩欐牱鐨勫瓧绗︿覆銆?/p>

聽 聽 聽 聽杩欓噷闇€瑕佺壒娈婅鏄庝竴涓媣m瀛楁锛屽彧鏈夋墦寮€浜哛edis鐨勮櫄鎷熷唴瀛樺姛鑳斤紝姝ゅ瓧娈垫墠浼氱湡姝ｇ殑鍒嗛厤鍐呭瓨锛岃鍔熻兘榛樿鏄叧闂姸鎬佺殑锛岃鍔熻兘浼氬湪鍚庨潰鍏蜂綋鎻忚堪銆傞€氳繃涓婂浘鎴戜滑鍙互鍙戠幇Redis浣跨敤redisObject鏉ヨ〃绀烘墍鏈夌殑key/value鏁版嵁鏄瘮杈冩氮璐瑰唴瀛樼殑锛屽綋鐒惰繖浜涘唴瀛樼鐞嗘垚鏈殑浠樺嚭涓昏涔熸槸涓轰簡缁橰edis涓嶅悓鏁版嵁绫诲瀷鎻愪緵涓€涓粺涓€鐨勭鐞嗘帴鍙ｏ紝瀹為檯浣滆€呬篃鎻愪緵浜嗗绉嶆柟娉曞府鍔╂垜浠敖閲忚妭鐪佸唴瀛樹娇鐢紝鎴戜滑闅忓悗浼氬叿浣撹璁恒€?/p>

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3. 聽鍚勭鏁版嵁绫诲瀷搴旂敤鍜屽疄鐜版柟寮?/span>

涓嬮潰鎴戜滑鍏堟潵閫愪竴鐨勫垎鏋愪笅杩?绉嶆暟鎹被鍨嬬殑浣跨敤鍜屽唴閮ㄥ疄鐜版柟寮?

• String:

Strings 鏁版嵁缁撴瀯鏄畝鍗曠殑key-value绫诲瀷锛寁alue鍏跺疄涓嶄粎鏄疭tring锛屼篃鍙互鏄暟瀛?

甯哥敤鍛戒护: 聽set,get,decr,incr,mget 绛夈€?/p>

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搴旂敤鍦烘櫙锛?/strong>String鏄渶甯哥敤鐨勪竴绉嶆暟鎹被鍨嬶紝鏅€氱殑key/ value 瀛樺偍閮藉彲浠ュ綊涓烘绫?鍗?span style="font-family: 瀹嬩綋; line-height: 25px;">鍙互瀹屽叏瀹炵幇鐩墠 Memcached 鐨勫姛鑳斤紝骞朵笖鏁堢巼鏇撮珮銆傝繕鍙互浜彈Redis鐨勫畾鏃舵寔涔呭寲锛屾搷浣滄棩蹇楀強 Replication绛夊姛鑳姐€傞櫎浜嗘彁渚涗笌 Memcached 涓€鏍风殑get銆乻et銆乮ncr銆乨ecr 绛夋搷浣滃锛孯edis杩樻彁渚涗簡涓嬮潰涓€浜涙搷浣滐細

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• 鑾峰彇瀛楃涓查暱搴?/span>
• 寰€瀛楃涓瞐ppend鍐呭
• 璁剧疆鍜岃幏鍙栧瓧绗︿覆鐨勬煇涓€娈靛唴瀹?/span>
• 璁剧疆鍙婅幏鍙栧瓧绗︿覆鐨勬煇涓€浣嶏紙bit锛?/span>
• 鎵归噺璁剧疆涓€绯诲垪瀛楃涓茬殑鍐呭

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瀹炵幇鏂瑰紡锛?/strong>String鍦╮edis鍐呴儴瀛樺偍榛樿灏辨槸涓€涓瓧绗︿覆锛岃redisObject鎵€寮曠敤锛屽綋閬囧埌incr,decr绛夋搷浣滄椂浼氳浆鎴愭暟鍊煎瀷杩涜璁＄畻锛屾鏃秗edisObject鐨別ncoding瀛楁涓篿nt銆?/p>

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• Hash

甯哥敤鍛戒护锛?/strong>hget,hset,hgetall 绛夈€?/p>

搴旂敤鍦烘櫙锛?/strong>鍦∕emcached涓紝鎴戜滑缁忓父灏嗕竴浜涚粨鏋勫寲鐨勪俊鎭墦鍖呮垚HashMap锛屽湪瀹㈡埛绔簭鍒楀寲鍚庡瓨鍌ㄤ负涓€涓瓧绗︿覆鐨勫€硷紝姣斿鐢ㄦ埛鐨勬樀绉般€佸勾榫勩€佹€у埆銆佺Н鍒嗙瓑锛岃繖鏃跺€欏湪闇€瑕佷慨鏀瑰叾涓煇涓€椤规椂锛岄€氬父闇€瑕佸皢鎵€鏈夊€煎彇鍑哄弽搴忓垪鍖栧悗锛屼慨鏀规煇涓€椤圭殑鍊硷紝鍐嶅簭鍒楀寲瀛樺偍鍥炲幓銆?/span>杩欐牱涓嶄粎澧炲ぇ浜嗗紑閿€锛屼篃涓嶉€傜敤浜庝竴浜涘彲鑳藉苟鍙戞搷浣滅殑鍦哄悎锛堟瘮濡備袱涓苟鍙戠殑鎿嶄綔閮介渶瑕佷慨鏀圭Н鍒嗭級銆傝€孯edis鐨凥ash缁撴瀯鍙互浣夸綘鍍忓湪鏁版嵁搴撲腑Update涓€涓睘鎬т竴鏍峰彧淇敼鏌愪竴椤瑰睘鎬у€笺€?/span>

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鐢ㄦ埛ID涓烘煡鎵剧殑key锛屽瓨鍌ㄧ殑value鐢ㄦ埛瀵硅薄鍖呭惈濮撳悕锛屽勾榫勶紝鐢熸棩绛変俊鎭紝濡傛灉鐢ㄦ櫘閫氱殑key/value缁撴瀯鏉ュ瓨鍌紝涓昏鏈変互涓?绉嶅瓨鍌ㄦ柟寮忥細

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瀹炵幇鏂瑰紡锛?/strong>

涓婇潰宸茬粡璇村埌Redis Hash瀵瑰簲Value鍐呴儴瀹為檯灏辨槸涓€涓狧ashMap锛屽疄闄呰繖閲屼細鏈?绉嶄笉鍚屽疄鐜帮紝杩欎釜Hash鐨勬垚鍛樻瘮杈冨皯鏃禦edis涓轰簡鑺傜渷鍐呭瓨浼氶噰鐢ㄧ被浼间竴缁存暟缁勭殑鏂瑰紡鏉ョ揣鍑戝瓨鍌紝鑰屼笉浼氶噰鐢ㄧ湡姝ｇ殑HashMap缁撴瀯锛屽搴旂殑value redisObject鐨別ncoding涓簔ipmap,褰撴垚鍛樻暟閲忓澶ф椂浼氳嚜鍔ㄨ浆鎴愮湡姝ｇ殑HashMap,姝ゆ椂encoding涓篽t銆?/p>

• List

甯哥敤鍛戒护锛?/strong>lpush,rpush,lpop,rpop,lrange绛夈€?/p>

搴旂敤鍦烘櫙锛?/strong>

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Lists 灏辨槸閾捐〃锛岀浉淇＄暐鏈夋暟鎹粨鏋勭煡璇嗙殑浜洪兘搴旇鑳界悊瑙ｅ叾缁撴瀯銆備娇鐢↙ists缁撴瀯锛屾垜浠彲浠ヨ交鏉惧湴瀹炵幇鏈€鏂版秷鎭帓琛岀瓑鍔熻兘銆侺ists鐨勫彟涓€涓簲鐢ㄥ氨鏄秷鎭槦鍒楋紝
鍙互鍒╃敤Lists鐨凱USH鎿嶄綔锛屽皢浠诲姟瀛樺湪Lists涓紝鐒跺悗宸ヤ綔绾跨▼鍐嶇敤POP鎿嶄綔灏嗕换鍔″彇鍑鸿繘琛屾墽琛屻€俁edis杩樻彁渚涗簡鎿嶄綔Lists涓煇涓€娈电殑api锛屼綘鍙互鐩存帴鏌ヨ锛屽垹闄ists涓煇涓€娈电殑鍏冪礌銆?/p>

瀹炵幇鏂瑰紡锛?/strong>

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• Set

甯哥敤鍛戒护锛?/strong>

sadd,spop,smembers,sunion 绛夈€?/p>

搴旂敤鍦烘櫙锛?/strong>

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Sets 闆嗗悎鐨勬蹇靛氨鏄竴鍫嗕笉閲嶅鍊肩殑缁勫悎銆傚埄鐢≧edis鎻愪緵鐨凷ets鏁版嵁缁撴瀯锛屽彲浠ュ瓨鍌ㄤ竴浜涢泦鍚堟€х殑鏁版嵁锛屾瘮濡傚湪寰崥搴旂敤涓紝鍙互灏嗕竴涓敤鎴锋墍鏈夌殑鍏虫敞浜哄瓨鍦ㄤ竴涓泦鍚堜腑锛屽皢鍏舵墍鏈夌矇涓濆瓨鍦ㄤ竴涓泦鍚堛€俁edis杩樹负闆嗗悎鎻愪緵浜嗘眰浜ら泦銆佸苟闆嗐€佸樊闆嗙瓑鎿嶄綔锛屽彲浠ラ潪甯告柟渚跨殑瀹炵幇濡傚叡鍚屽叧娉ㄣ€佸叡鍚屽枩濂姐€佷簩搴﹀ソ鍙嬬瓑鍔熻兘锛屽涓婇潰鐨勬墍鏈夐泦鍚堟搷浣滐紝浣犺繕鍙互浣跨敤涓嶅悓鐨勫懡浠ら€夋嫨灏嗙粨鏋滆繑鍥炵粰瀹㈡埛绔繕鏄瓨闆嗗埌涓€涓柊鐨勯泦鍚堜腑銆?/p>

瀹炵幇鏂瑰紡锛?/strong>

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• Sorted Set

甯哥敤鍛戒护锛?/strong>

zadd,zrange,zrem,zcard绛?/p>

浣跨敤鍦烘櫙锛?/strong>

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鍙﹀杩樺彲浠ョ敤Sorted Sets鏉ュ仛甯︽潈閲嶇殑闃熷垪锛屾瘮濡傛櫘閫氭秷鎭殑score涓?锛岄噸瑕佹秷鎭殑score涓?锛岀劧鍚庡伐浣滅嚎绋嬪彲浠ラ€夋嫨鎸塻core鐨勫€掑簭鏉ヨ幏鍙栧伐浣滀换鍔°€傝閲嶈鐨勪换鍔′紭鍏堟墽琛屻€?/p>

瀹炵幇鏂瑰紡锛?/strong>

Redis sorted set鐨勫唴閮ㄤ娇鐢℉ashMap鍜岃烦璺冭〃(SkipList)鏉ヤ繚璇佹暟鎹殑瀛樺偍鍜屾湁搴忥紝HashMap閲屾斁鐨勬槸鎴愬憳鍒皊core鐨勬槧灏勶紝鑰岃烦璺冭〃閲屽瓨鏀剧殑鏄墍鏈夌殑鎴愬憳锛屾帓搴忎緷鎹槸HashMap閲屽瓨鐨剆core,浣跨敤璺宠穬琛ㄧ殑缁撴瀯鍙互鑾峰緱姣旇緝楂樼殑鏌ユ壘鏁堢巼锛屽苟涓斿湪瀹炵幇涓婃瘮杈冪畝鍗曘€?/p>

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9銆丳ub/Sub

聽 聽 聽 聽Redis鐨凱ub/Sub闈炲父闈炲父绠€鍗曪紝杩愯绋冲畾骞朵笖蹇€熴€傛敮鎸佹ā寮忓尮閰嶏紝鑳藉瀹炴椂璁㈤槄涓庡彇娑堥閬撱€?/p>

10銆侀槦鍒?/strong>

聽 聽 聽 聽 浣犲簲璇ュ凡缁忔敞鎰忓埌鍍弆ist push鍜宭ist pop杩欐牱鐨凴edis鍛戒护鑳藉寰堟柟渚跨殑鎵ц闃熷垪鎿嶄綔浜嗭紝浣嗚兘鍋氱殑鍙笉姝㈣繖浜涳細姣斿Redis杩樻湁list pop鐨勫彉浣撳懡浠わ紝鑳藉鍦ㄥ垪琛ㄤ负绌烘椂闃诲闃熷垪銆?/p>

聽 聽 聽 聽鐜颁唬鐨勪簰鑱旂綉搴旂敤澶ч噺鍦颁娇鐢ㄤ簡娑堟伅闃熷垪锛圡essaging锛夈€傛秷鎭槦鍒椾笉浠呰鐢ㄤ簬绯荤粺鍐呴儴缁勪欢涔嬮棿鐨勯€氫俊锛屽悓鏃朵篃琚敤浜庣郴缁熻窡鍏跺畠鏈嶅姟涔嬮棿鐨勪氦浜掋€傛秷鎭槦鍒楃殑浣跨敤鍙互澧炲姞绯荤粺鐨勫彲鎵╁睍鎬с€佺伒娲绘€у拰鐢ㄦ埛浣撻獙銆傞潪鍩轰簬娑堟伅闃熷垪鐨勭郴缁燂紝鍏惰繍琛岄€熷害鍙栧喅浜庣郴缁熶腑鏈€鎱㈢殑缁勪欢鐨勯€熷害锛堟敞锛氱煭鏉挎晥搴旓級銆傝€屽熀浜庢秷鎭槦鍒楀彲浠ュ皢绯荤粺涓悇缁勪欢瑙ｉ櫎鑰﹀悎锛岃繖鏍风郴缁熷氨涓嶅啀鍙楁渶鎱㈢粍浠剁殑鏉熺細锛屽悇缁勪欢鍙互寮傛杩愯浠庤€屽緱浠ユ洿蹇殑閫熷害瀹屾垚鍚勮嚜鐨勫伐浣溿€?/span>

聽 聽 姝ゅ锛屽綋鏈嶅姟鍣ㄥ鍦ㄩ珮骞跺彂鎿嶄綔鐨勬椂鍊欙紝姣斿棰戠箒鍦板啓鍏ユ棩蹇楁枃浠躲€傚彲浠ュ埄鐢ㄦ秷鎭槦鍒楀疄鐜板紓姝ュ鐞嗐€備粠鑰屽疄鐜伴珮鎬ц兘鐨勫苟鍙戞搷浣溿€?/span>

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11銆佺紦瀛?/strong>

聽 聽 聽 聽 Redis鐨勭紦瀛橀儴鍒嗗€煎緱鍐欎竴绡囨柊鏂囩珷锛屾垜杩欓噷鍙槸绠€鍗曠殑璇翠竴涓嬨€俁edis鑳藉鏇夸唬memcached锛岃浣犵殑缂撳瓨浠庡彧鑳藉瓨鍌ㄦ暟鎹彉寰楄兘澶熸洿鏂版暟鎹紝鍥犳浣犱笉鍐嶉渶瑕佹瘡娆￠兘閲嶆柊鐢熸垚鏁版嵁浜嗐€?/p>

姝ら儴鍒嗗唴瀹圭殑鍘熸枃鍦板潃锛歨ttp://antirez.com/post/take-advantage-of-redis-adding-it-to-your-stack.html

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5. 聽鍥藉唴澶栦笁涓笉鍚岄鍩熷法澶村垎浜殑Redis瀹炴垬缁忛獙鍙婁娇鐢ㄥ満鏅?/span>

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聽 聽

聽 聽 聽闅忕潃搴旂敤瀵归珮鎬ц兘闇€姹傜殑澧炲姞锛孨oSQL閫愭笎鍦ㄥ悇澶у悕浼佺殑绯荤粺鏋舵瀯涓敓鏍瑰彂鑺姐€傝繖閲屾垜浠皢涓哄ぇ瀹跺垎浜?strong>绀句氦宸ㄥご鏂版氮寰崥銆佷紶濯掑法澶碫iacom鍙婂浘鐗囧垎浜鍩熶郊浣艰€匬interest甯︽潵鐨凴edis瀹炶返锛岄鍏堟垜浠湅鏂版氮寰崥聽@鍚浖cobain鐨凴edis瀹炴垬缁忛獙鍒嗕韩锛?/p>

涓€銆佹柊娴井鍗氾細鍙蹭笂鏈€澶х殑Redis闆嗙兢

Tape is Dead锛孌isk is Tape锛孎lash is Disk锛孯AM Locality is King. 鈥?Jim Gray

Redis涓嶆槸姣旇緝鎴愮啛鐨刴emcache鎴栬€匨ysql鐨勬浛浠ｅ搧锛屾槸瀵逛簬澶у瀷浜掕仈缃戠被搴旂敤鍦ㄦ灦鏋勪笂寰堝ソ鐨勮ˉ鍏呫€傜幇鍦ㄦ湁瓒婃潵瓒婂鐨勫簲鐢ㄤ篃鍦ㄧ悍绾峰熀浜嶳edis鍋氭灦鏋勭殑鏀归€犮€傞鍏堢畝鍗曞叕甯冧竴涓婻edis骞冲彴瀹為檯鎯呭喌锛?/p>

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• 2200+浜?commands/day 5000浜縍ead/day 500浜縒rite/day
• 18TB+ Memory
• 500+ Servers in 6 IDC 2000+instances

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搴旇鏄浗鍐呭姣旇緝澶х殑Redis浣跨敤骞冲彴锛屼粖澶╀富瑕佷粠搴旂敤瑙掑害璋堣皥Redis鏈嶅姟骞冲彴銆?/p>

Redis浣跨敤鍦烘櫙

1.Counting锛堣鏁帮級

璁℃暟鐨勫簲鐢ㄥ湪鍙﹀涓€绡囨枃绔犻噷杈冭缁嗙殑鎻忚堪锛岃鏁板満鏅殑浼樺寲聽http://www.xdata.me/?p=262杩欓噷灏变笉澶氬姞鎻忚堪浜嗐€?/p>

鍙互棰勮鐨勬槸锛屾湁寰堝鍚屽璁や负鎶婅鏁板叏閮ㄥ瓨鍦ㄥ唴瀛樹腑鎴愭湰闈炲父楂橈紝鎴戝湪杩欓噷鐢ㄤ釜鍥捐〃鏉ヨ〃杈句笅鎴戠殑瑙傜偣锛?/p>

寰堝鎯呭喌澶у閮戒細璁炬兂绾娇鐢ㄥ唴瀛樼殑鏂规浼氬緢鏈夊緢楂樻垚鏈紝浣嗗疄闄呮儏鍐靛線寰€浼氭湁涓€浜涗笉涓€鏍凤細

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• COST锛屽浜庢湁涓€瀹氬悶鍚愰渶姹傜殑搴旂敤鏉ヨ锛岃偗瀹氫細鍗曠嫭鐢宠DB銆丆ache璧勬簮锛屽緢澶氭媴蹇僁B鍐欏叆鎬ц兘鐨勫悓瀛﹁繕浼氫富鍔ㄥ皢DB鏇存柊璁板叆寮傛闃熷垪锛岃€岃繖涓夊潡鐨勮祫婧愮殑鍒╃敤鐜囦竴鑸兘涓嶄細澶珮銆傝祫婧愮畻涓嬫潵锛屼綘鎯婂紓鐨勫彂鐜帮細鍙嶈€岀函鍐呭瓨鐨勬柟妗堜細鏇寸簿绠€锛?/li>
• KISS鍘熷垯锛岃繖瀵逛簬寮€鍙戞槸闈炲父鍙嬪ソ鐨勶紝鎴戝彧闇€瑕佸缓绔嬩竴濂楄繛鎺ユ睜锛屼笉鐢ㄦ媴蹇冩暟鎹竴鑷存€х殑缁存姢锛屼笉鐢ㄧ淮鎶ゅ紓姝ラ槦鍒椼€?/li>
• Cache绌块€忛闄╋紝濡傛灉鍚庣浣跨敤DB锛岃偗瀹氫笉浼氭彁渚涘緢楂樼殑鍚炲悙鑳藉姏锛宑ache瀹曟満濡傛灉娌℃湁濡ュ杽澶勭悊锛岄偅灏辨偛鍓т簡銆?/li>
• 澶у鏁扮殑璧峰瀛樺偍闇€姹傦紝瀹归噺杈冨皬銆?/li>

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2.Reverse cache锛堝弽鍚慶ache锛?/strong>

闈㈠寰崥甯稿父鍑虹幇鐨勭儹鐐癸紝濡傛渶杩戝嚭鐜颁簡杈冧负鐏垎鐨勭煭閾撅紝鐭椂闂存湁鏁颁互涓囪鐨勪汉鐐瑰嚮銆佽烦杞紝鑰岃繖閲屼細甯稿父娑岀幇涓€浜涢渶姹傦紝姣斿鎴戜滑鍚戝揩閫熷湪璺宠浆鏃跺垽瀹氱敤鎴风瓑绾э紝鏄惁鏈変竴浜涜处鍙风粦瀹氾紝鎬у埆鐖卞ソ浠€涔堢殑锛屽凡缁欏叾灞曠ず涓嶅悓鐨勫唴瀹规垨鑰呬俊鎭€?/p>

鏅€氶噰鐢╩emcache+Mysql鐨勮В鍐虫柟妗堬紝褰撹皟鐢╥d鍚堟硶鐨勬儏鍐典笅锛屽彲鏀拺杈冨ぇ鐨勫悶鍚愩€備絾褰撹皟鐢╥d涓嶅彲鎺э紝鏈夎緝澶氬瀮鍦剧敤鎴疯皟鐢ㄦ椂锛岀敱浜巑emcache鏈湁鍛戒腑锛屼細澶ч噺鐨勭┛閫忚嚦Mysql鏈嶅姟鍣紝鐬棿閫犳垚杩炴帴鏁扮柉闀匡紝鏁翠綋鍚炲悙閲忛檷浣庯紝鍝嶅簲鏃堕棿鍙樻參銆?/p>

杩欓噷鎴戜滑鍙互鐢╮edis璁板綍鍏ㄩ噺鐨勭敤鎴峰垽瀹氫俊鎭紝濡俿tring key:uid int:type锛屽仛涓€娆″弽鍚戠殑cache锛屽綋鐢ㄦ埛鍦╮edis蹇€熻幏鍙栬嚜宸辩瓑绾х瓑淇℃伅鍚庯紝鍐嶅幓Mc+Mysql灞傚幓鑾峰彇鍏ㄩ噺淇℃伅銆傚鍥撅細

褰撶劧杩欎篃涓嶆槸鏈€浼樺寲鐨勫満鏅紝濡傜敤Redis鍋歜loomfilter锛屽彲鑳芥洿鍔犵渷鐢ㄥ唴瀛樸€?/p>

3.Top 10 list

浜у搧杩愯惀鎬讳細璁╀綘灞曠ず鏈€杩戙€佹渶鐑€佺偣鍑荤巼鏈€楂樸€佹椿璺冨害鏈€楂樼瓑绛夋潯浠剁殑top list銆傚緢澶氭洿鏂拌緝棰戠箒鐨勫垪琛ㄥ鏋滀娇鐢∕C+MySQL缁存姢鐨勮瘽缂撳瓨澶辨晥鐨勫彲鑳芥€т細姣旇緝澶э紝閴翠簬鍗犵敤鍐呭瓨杈冨皬鐨勬儏鍐碉紝浣跨敤Redis鍋氬瓨鍌ㄤ篃鏄浉褰撲笉閿欑殑銆?/p>

4.Last Index

鐢ㄦ埛鏈€杩戣闂褰曚篃鏄痳edis list鐨勫緢濂藉簲鐢ㄥ満鏅紝lpush lpop鑷姩杩囨湡鑰佺殑鐧婚檰璁板綍锛屽浜庡紑鍙戞潵璇磋繕鏄潪甯稿弸濂界殑銆?/p>

5.Relation List/Message Queue

杩欓噷鎶婁袱涓姛鑳芥斁鍦ㄦ渶鍚庯紝鍥犱负杩欎袱涓姛鑳藉湪鐜板疄闂褰撲腑閬囧埌浜嗕竴浜涘洶闅撅紝浣嗗湪涓€瀹氶樁娈典篃纭疄瑙ｅ喅浜嗘垜浠緢澶氱殑闂锛屾晠鍦ㄨ繖閲屽彧鍋氳鏄庛€?/p>

Message Queue灏辨槸閫氳繃list鐨刲pop鍙妉push鎺ュ彛杩涜闃熷垪鐨勫啓鍏ュ拰娑堣垂锛岀敱浜庢湰韬€ц兘杈冨ソ涔熻兘瑙ｅ喅澶ч儴鍒嗛棶棰樸€?/p>

6.Fast transaction with Lua

Redis 鐨凩ua鐨勫姛鑳芥墿灞曞疄闄呯粰Redis甯︽潵浜嗘洿澶氱殑搴旂敤鍦烘櫙锛屼綘鍙互缂栧啓鑻ュ共command缁勫悎浣滀负涓€涓皬鍨嬬殑闈為樆濉炰簨鍔℃垨鑰呮洿鏂伴€昏緫锛屽锛氬湪鏀跺埌message鎺ㄩ€佹椂锛屽悓鏃?.缁欒嚜宸辩殑澧炲姞涓€涓湭璇荤殑瀵硅瘽 2.缁欒嚜宸辩殑绉佷俊澧炲姞涓€涓湭璇绘秷鎭?3.鏈€鍚庣粰鍙戦€佷汉鍥炴墽涓€涓畬鎴愭帹閫佹秷鎭紝杩欎竴灞傞€昏緫瀹屽叏鍙互鍦≧edis Server绔疄鐜般€?/p>

浣嗘槸锛岄渶瑕佹敞鎰忕殑鏄疪edis浼氬皢lua script鐨勫叏閮ㄥ唴瀹硅褰曞湪aof鍜屼紶閫佺粰slave锛岃繖涔熷皢鏄纾佺洏锛岀綉鍗′竴涓笉灏忕殑寮€閿€銆?/p>

7.Instead of Memcache

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1. 寰堝娴嬭瘯鍜屽簲鐢ㄥ潎宸茶瘉鏄庯紝
2. 鍦ㄦ€ц兘鏂归潰Redis骞舵病鏈夎惤鍚巑emcache澶氬皯锛岃€屽崟绾跨▼鐨勬ā鍨嬬粰Redis鍙嶈€屽甫鏉ヤ簡寰堝己鐨勬墿灞曟€с€?/li>
3. 鍦ㄥ緢澶氬満鏅笅锛孯edis瀵瑰悓涓€浠芥暟鎹殑鍐呭瓨寮€閿€鏄皬浜巑emcache鐨剆lab鍒嗛厤鐨勩€?/li>
4. Redis鎻愪緵鐨勬暟鎹悓姝ュ姛鑳斤紝鍏跺疄鏄cache鐨勪竴涓己鏈夊姏鍔熻兘鎵╁睍銆?/li>

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Redis浣跨敤鐨勯噸瑕佺偣

1.rdb/aof Backup!

鎴戜滑绾夸笂鐨凴edis 95%浠ヤ笂鏄壙鎷呭悗绔瓨鍌ㄥ姛鑳界殑锛屾垜浠笉浠呯敤浣渃ache锛岃€屾洿涓轰竴绉峩-v瀛樺偍锛屼粬瀹屽叏鏇夸唬浜嗗悗绔殑瀛樺偍鏈嶅姟锛圡ySQL锛夛紝鏁呭叾鏁版嵁鏄潪甯搁噸瑕佺殑锛屽鏋滃嚭鐜版暟鎹薄鏌撳拰涓㈠け锛岃鎿嶄綔绛夋儏鍐碉紝灏嗘槸闅句互鎭㈠鐨勩€傛墍浠ュ浠芥槸闈炲父蹇呰鐨勶紒涓烘锛屾垜浠湁鍏变韩鐨刪dfs璧勬簮浣滀负鎴戜滑鐨勫浠芥睜锛屽笇鏈涜兘闅忔椂鍙互杩樺師涓氬姟鎵€闇€鏁版嵁銆?/p>

2.Small item & Small instance!

鐢变簬Redis鍗曠嚎绋嬶紙涓ユ牸鎰忎箟涓婁笉鏄崟绾跨▼锛屼絾璁や负瀵箁equest鐨勫鐞嗘槸鍗曠嚎绋嬬殑锛夌殑妯″瀷锛屽ぇ鐨勬暟鎹粨鏋刲ist,sorted set,hash set鐨勬壒閲忓鐞嗗氨鎰忓懗鐫€鍏朵粬璇锋眰鐨勭瓑寰咃紝鏁呬娇鐢≧edis鐨勫鏉傛暟鎹粨鏋勪竴瀹氳鎺у埗鍏跺崟key-struct鐨勫ぇ灏忋€?/p>

鍙﹀锛孯edis鍗曞疄渚嬬殑鍐呭瓨瀹归噺涔熷簲璇ユ湁涓ユ牸鐨勯檺鍒躲€傚崟瀹炰緥鍐呭瓨瀹归噺杈冨ぇ鍚庯紝鐩存帴甯︽潵鐨勯棶棰樺氨鏄晠闅滄仮澶嶆垨鑰匯ebuild浠庡簱鐨勬椂鍊欐椂闂磋緝闀匡紝鑰屾洿绯熺硶鐨勬槸锛孯edis rewrite aof鍜宻ave rdb鏃讹紝灏嗕細甯︽潵闈炲父澶т笖闀跨殑绯荤粺鍘嬪姏锛屽苟鍗犵敤棰濆鍐呭瓨锛屽緢鍙兘瀵艰嚧绯荤粺鍐呭瓨涓嶈冻绛変弗閲嶅奖鍝嶆€ц兘鐨勭嚎涓婃晠闅溿€傛垜浠嚎涓?6G/128G鍐呭瓨鏈嶅姟鍣ㄤ笉寤鸿鍗曞疄渚嬪閲忓ぇ浜?0/30G銆?/p>

3.Been Available!

涓氱晫璧勬枡鍜屼娇鐢ㄦ瘮杈冨鐨勬槸Redis sentinel锛堝摠鍏碉級

http://www.huangz.me/en/latest/storage/redis_code_analysis/sentinel.html

http://qiita.com/wellflat/items/8935016fdee25d4866d9

2000琛孋瀹炵幇浜嗘湇鍔″櫒鐘舵€佹娴嬶紝鑷姩鏁呴殰杞Щ绛夊姛鑳姐€?/p>

浣嗙敱浜庤嚜韬疄闄呮灦鏋勫線寰€浼氬鏉傦紝鎴栬€呰€冭檻鐨勮搴︽瘮杈冨锛屼负姝ぢ?a target="_blank" href="http://weibo.com/eryk86" style="color: #0066cc;">@璁哥惁eryk鍜屾垜涓€鍚屽仛浜唄ypnos椤圭洰銆?/p>

hypnos鏄璇濅腑鐨勭潯绁烇紝瀛楅潰鎰忔€濅篃鏄笇鏈涙垜浠伐绋嬪笀鏃犻渶鍦ㄤ紤鎭椂闂村鐞嗕换浣曟晠闅溿€?-)

鍏跺伐浣滃師鐞嗙ず鎰忓涓嬶細

Talk is cheap, show me your code! 绋嶅悗灏嗗崟鐙啓绡囧崥瀹㈢粏鑷磋涓婬ypnos鐨勫疄鐜般€?/p>

4.In Memory or not?

鍙戠幇涓€绉嶆儏鍐碉紝寮€鍙戝湪娌熼€氬悗绔祫婧愯璁＄殑鏃跺€欙紝甯稿父鍥犱负涔犳儻浣跨敤鍜岄敊璇簡瑙ｄ骇鍝佸畾浣嶇瓑鍘熷洜锛岃€屽拷瑙嗕簡瀵圭湡瀹炰娇鐢ㄧ敤鎴风殑璇勪及銆備篃璁歌繖鏄竴浠藉巻鍙叉暟鎹紝鍙湁鏈€杩戜竴澶╃殑鏁版嵁鎵嶆湁浜鸿繘琛岃闂紝鑰屾妸鍘嗗彶鏁版嵁鐨勫閲忓拰鏈€杩戜竴澶╄姹傞噺閮芥姏缁欏唴瀛樼被鐨勫瓨鍌ㄧ幇瀹炴槸闈炲父涓嶅悎鐞嗙殑銆?/p>

鎵€浠ュ綋浣犲湪绌剁珶浣跨敤浠€涔堟牱鐨勬暟鎹粨鏋勫瓨鍌ㄧ殑鏃跺€欙紝璇峰姟蹇呭厛杩涜鎴愭湰琛￠噺锛屾湁澶氬皯鏁版嵁鏄渶瑕佸瓨鍌ㄥ湪鍐呭瓨涓殑锛熸湁澶氬皯鏁版嵁鏄鐢ㄦ埛鐪熸鏈夋剰涔夌殑銆傚洜涓鸿繖鍏跺疄瀵瑰悗绔祫婧愮殑璁捐鏄嚦鍏抽噸瑕佺殑锛?G鐨勬暟鎹閲忓拰1T鐨勬暟鎹閲忓浜庤璁℃€濊矾鏄畬鍏ㄤ笉涓€鏍风殑

Plans in future?

1.slave sync鏀归€?/strong>

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鍋囪A鏈変袱涓粠搴揃鍙奀锛屽強 A `鈥?B&C锛岃繖鏃舵垜浠彂鐜癿aster A鏈嶅姟鍣ㄦ湁瀹曟満闅愭偅闇€瑕侀噸鍚垨鑰匒鑺傜偣鐩存帴瀹曟満锛岄渶瑕佸垏鎹涓烘柊鐨勪富搴擄紝濡傛灉A銆丅銆丆涓嶅叡浜玶db鍙奱of淇℃伅锛孋鍦ㄤ綔涓築鐨勪粠搴撴椂锛屼粛浼氭竻闄よ嚜韬暟鎹紝鍥犱负C鑺傜偣鍙褰曚簡鍜孉鑺傜偣鐨勫悓姝ョ姸鍐点€?/p>

鏁呮垜浠渶瑕佹湁涓€绉嶅皢A`鈥揃&C 缁撴瀯鍒囨崲鍒囨崲涓篈`鈥揃`鈥揅缁撴瀯鐨勫悓姝ユ満鍒讹紝psync铏界劧鏀寔鏂偣缁紶锛屼絾浠嶆棤娉曟敮鎸乵aster鏁呴殰鐨勫钩婊戝垏鎹€?/p>

瀹為檯涓婃垜浠凡缁忓湪鎴戜滑瀹氬埗鐨凴edis璁℃暟鏈嶅姟涓婁娇鐢ㄤ簡濡備笂鍔熻兘鐨勫悓姝ワ紝鏁堟灉闈炲父濂斤紝瑙ｅ喅浜嗚繍缁磋礋鎷咃紝浣嗕粛闇€鍚戞墍鏈塕edis鏈嶅姟鎺ㄥ箍锛屽鏋滃彲鑳芥垜浠篃浼氬悜瀹樻柟Redis鎻愬嚭鐩稿叧sync slave鐨勬敼杩涖€?/p>

2.鏇撮€傚悎redis鐨刵ame-system Or proxy

缁嗗績鐨勫悓瀛﹀彂鐜版垜浠櫎浜嗕娇鐢―NS浣滀负鍛藉悕绯荤粺锛屼篃鍦▃ookeeper涓湁涓€浠借褰曪紝涓轰粈涔堜笉璁╃敤鎴风洿鎺ヨ闂竴涓郴缁燂紝zk鎴栬€匘NS閫夋嫨鍏朵竴鍛紵

鍏跺疄杩樻槸寰堢畝鍗曪紝鍛藉悕绯荤粺鏄釜闈炲父閲嶈鐨勭粍浠讹紝鑰宒ns鏄竴濂楁瘮杈冨畬鍠勭殑鍛藉悕绯荤粺锛屾垜浠负姝ゅ仛浜嗗緢澶氭敼杩涘拰璇曢敊锛寊k鐨勫疄鐜拌繕鏄浉瀵瑰鏉傦紝鎴戜滑杩樻病鏈夎緝寮虹殑鎶婃帶绮掑害銆傛垜浠篃鍦ㄦ€濊€冪敤浠€涔堝仛鍛藉悕绯荤粺鏇寸鍚堟垜浠渶姹傘€?/p>

3.鍚庣鏁版嵁瀛樺偍

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浜屻€丳interest锛歊eids缁存姢涓婄櫨浜跨殑鐩稿叧鎬?/span>

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閫氳繃缂撳瓨鏉ヤ紭鍖栫敤鎴蜂綋楠?/strong>

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浣跨敤Redis瀛樺偍澶ч噺鐨凱interest鍒楄〃

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