注册送现金一元秒提现

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                  Redis分片(分布式缓存)

                  发布:smiling 来源: PHP粉丝网  添加日期:2019-02-04 17:53:16 浏览: 评论:0 

                  FENPIAN(partitioning)JIUSHIJIANGNIDESHUJUCHAIFENDAODUOGE Redis SHILIDEGUOCHENG,ZHEIYANGMEIGESHILIJIANGZHIBAOHANSUOYOUJIANDEZIJI.

                  1 分片何用

                  Redis DEFENPIANCHENGDANZHELIANGGEZHUYAOMUBIAO:

                  • YUNXUSHIYONGHENDUODIANNAODENEICUNZONGHELAIZHICHIGENGDADESHUJUKU。MEIYOUFENPIAN,NIJIUBEIJUXIANYUDANJINENGZHICHIDENEICUNRONGLIANG。

                  注册送现金一元秒提现• YUNXUSHENSUOJISUANNENGLIDAODUOHEHUODUOFUWUQI,SHENSUOWANGLUODAIKUANDAODUOFUWUQIHUODUOWANGLUOSHIPEIQI。

                  2 分片基础

                  YOUHENDUOBUTONGDEFENPIANBIAOZHUN(criteria).

                  JIAXIANGWOMENYOU 4 GE Redis SHILI R0,R1,R2,R3,HAIYOUHENDUOBIAOSHIYONGHUDEJIAN,XIANG user:1,user:2,… DENGDENG,WOMENNENGZHAODAOBUTONGDEFANGSHILAIXUANZEYIGEZHIDINGDEJIANCUNCHUZAINAGESHILIZHONG。HUANJUHUASHUO,YOUXUDUOBUTONGDEBANFALAIYINGSHEYIGEJIANDAOYIGEZHIDINGDE Redis FUWUQI。

                  注册送现金一元秒提现ZUIJIANDANDEZHIXINGFENPIANDEFANGSHIZHIYISHIFANWEIFENPIAN(range partitioning),TONGGUOYINGSHEDUIXIANGDEFANWEIDAOZHIDINGDE Redis SHILILAIWANCHENGFENPIAN。LIRU,WOKEYIJIASHEYONGHUCONG ID 0 DAO ID 10000 JINRUSHILI R0,YONGHUCONG ID 10001 DAO ID 20000 JINRUSHILI R1.

                  ZHEITAOBANFAXINGDETONG,BINGQIESHISHISHANGZAISHIJIANZHONGBEICAIYONG,RANER,ZHEIYOUYIGEQUEDIAN,JIUSHIXUYAOYIGEYINGSHEFANWEIDAOSHILIDEBIAOGE.

                  注册送现金一元秒提现ZHEIZHANGBIAOXUYAOGUANLI,BUTONGLEIXINGDEDUIXIANGDOUXUYAOYIGEBIAO,SUOYIFANWEIFENPIANZAI Redis ZHONGCHANGCHANGBINGBUKEQU,YINWEIZHEIYAOBIQITAFENPIANKEXUANFANGANDIXIAODEDUO。

                  注册送现金一元秒提现YIZHONGFANWEIFENPIANDETIDAIFANGANSHIHAXIFENPIAN(hash partitioning).

                  ZHEIZHONGMOSHISHIYONGYURENHEJIAN,BUXUYAOJIANXIANG object_name: ZHEIYANGDEEXINGSHI,JIUXIANGZHEIYANGJIANDAN

                  • SHIYONGYIGEHAXIHANSHU(LIRU,crc32 HAXIHANSHU) JIANGJIANMINGZHUANHUANWEIYIGESHUZI。LIRU,RUGUOJIANSHI foobar,crc32(foobar)JIANGHUISHUCHULEISIYU 93024922 DEDONGXI。

                  注册送现金一元秒提现• DUIZHEIGESHUJUJINXINGQUMOYUNSUAN,YIJIANGQIZHUANHUANWEIYIGE 0 DAO 3 ZHIJIANDESHUZI,ZHEIYANGZHEIGESHUZIJIUKEYIYINGSHEDAOWODE 4 TAI Redis SHILIZHIYI。93024922 MO 4 DENGYU 2,SUOYIWOZHIDAOWODEJIAN foobar YINGDANGCUNCHUDAO R2 SHILI。ZHUYI:QUMOCAOZUOFANHUICHUFACAOZUODEYUSHU,ZAIXUDUOBIANCHENGYUYANZONGSHIXIANWEI%CAOZUOFU。

                  YOUXUDUOQITADEFANGSHIKEYIFENPIAN,CONGZHEILIANGGELIZIZHONGNIJIUKEYIZHIDAOLE。YIZHONGHAXIFENPIANDEGAOJIXINGSHICHENGWEIYIZHIXINGHAXI(consistent hashing),BEIYIXIE Redis KEHUDUANHEDAILISHIXIAN。

                  3 分片实现(理论)

                  FENPIANKEYOURUANJIANZHANZHONGDEBUTONGBUFENLAICHENGDAN。

                  • KEHUDUANFENPIAN(Client side partitioning)

                  KEHUDUANZHIJIEXUANZEZHENGQUEDEJIEDIANLAIXIERUHEDUQUZHIDINGJIAN,XUDUO Redis KEHUDUANSHIXIANLEKEHUDUANFENPIAN.

                  • DAILIXIEZHUFENPIAN(Proxy assisted partitioning)

                  注册送现金一元秒提现WOMENDEKEHUDUANFASONGQINGQIUDAOYIGEKEYILIJIE Redis XIEYIDEDAILISHANG.ERBUSHIZHIJIEFASONGQINGQIUDAO Redis SHILISHANG.

                  DAILIHUIGENJUPEIZHIHAODEFENPIANMOSHI,LAIBAOZHENGZHUANFAWOMENDEQINGQIUDAOZHENGQUEDE Redis SHILI,BINGFANHUIXIANGYINGJIKEHUDUAN.

                  注册送现金一元秒提现Redis HE Memcached DEDAILI Twemproxy SHIXIANLEDAILIXIEZHUDEFENPIAN.

                  注册送现金一元秒提现• CHAXUNLUYOU(Query routing)

                  NIKEYIFASONGNIDECHAXUNDAOYIGESUIJISHILI,ZHEIGESHILIHUIBAOZHENGZHUANFANIDECHAXUNDAOZHENGQUEDEJIEDIAN.

                  Redis JIQUNZAIKEHUDUANDEBANGZHUXIA,SHIXIANLECHAXUNLUYOUDEYIZHONGHUNHEXINGSHI (QINGQIUBUSHIZHIJIECONG Redis SHILIZHUANFADAOLINGYIGE,ERSHIKEHUDUANSHOUDAOZHONGDINGXIANGDAOZHENGQUEDEJIEDIAN).

                  4 分片缺点

                  注册送现金一元秒提现Redis DEYIXIETEXINGYUFENPIANZAIYIQISHIWANDEBUSHIHENHAO

                  注册送现金一元秒提现• SHEJIDUOGEJIANDECAOZUOTONGCHANGBUZHICHI。LIRU,NIBUNENGDUIYINGSHEZAILIANGGEBUTONG Redis SHILISHANGDEJIANZHIXINGJIAOJI(SHISHISHANGYOUBANFAZUODAO,DANBUSHIZHIJIEZHEIMEGAN).

                  • SHEJIDUOGEJIANDESHIWUBUNENGSHIYONG

                  注册送现金一元秒提现• FENPIANDELIDU(granularity)SHIJIAN,SUOYIBUNENGSHIYONGYIGEHENDADEJIANLAIFENPIANSHUJUJI,LIRUYIGEHENDADEYOUXUJIHE

                  • DANGSHIYONGLEFENPIAN,SHUJUCHULIBIANDEGENGFUZA,LIRU,NIXUYAOCHULIDUOGE RDB/AOF WENJIAN,BEIFENSHUJUSHINIXUYAOJUHEDUOGESHILIHEZHUJIDECHIJIUHUAWENJIAN

                  • TIANJIAHESHANCHURONGLIANGYEHENFUZA。LIRU,Redis JIQUNJUYOUYUNXINGSHIDONGTAITIANJIAHESHANCHUJIEDIANDENENGLILAIZHICHITOUMINGDIZAIJUNHENGSHUJU,DANSHIQITAFANGSHI,XIANGKEHUDUANFENPIANHEDAILIDOUBUZHICHIZHEIGETEXING。DANSHI,YOUYIZHONGCHENGWEIYUFENPIAN(Presharding)DEJISHUZAIZHEIYIDIANSHANGNENGBANGSHANGMANG。

                  5 存储 OR 缓存

                  JINGUANWULUNSHIJIANG Redis ZUOWEISHUJUCUNCHUHAISHIHUANCUN,Redis DEFENPIANGAINIANSHANGDOUSHIYIYANGDE,DANSHIZUOWEISHUJUCUNCHUSHIYOUYIGEZHONGYAODEJUXIAN。DANG Redis ZUOWEISHUJUCUNCHUSHI,YIGEJIDINGDEJIANZONGSHIYINGSHEDAOXIANGTONGDE Redis SHILI。DANG Redis ZUOWEIHUANCUNSHI,RUGUOYIGEJIEDIANBUKEYONGERSHIYONGLINGYIGEJIEDIAN,ZHEIBINGBUSHIYIGESHENMEDAWENTI,ANZHAOWOMENDEYUANWANGLAIGAIBIANJIANHESHILIDEYINGSHELAIGAIJINXITONGDEKEYONGXING(JIUSHIXITONGHUIFUWOMENCHAXUNDENENGLI)。

                  YIZHIXINGHAXISHIXIANCHANGCHANGNENGGOUZAIZHIDINGJIANDESHOUXUANJIEDIANBUKEYONGSHIQIEHUANDAOQITAJIEDIAN。LEISIDE,RUGUONITIANJIAYIGEXINJIEDIAN,BUFENSHUJUJIUHUIKAISHIBEICUNCHUDAOZHEIGEXINJIEDIANSHANG。

                  ZHEILIDEZHUYAOGAINIANRUXIA:

                  • RUGUO Redis YONGZUOHUANCUN,SHIYONGYIZHIXINGHAXILAILAISHIXIANSHENSUOKUOZHAN(scaling up and down)SHIHENRONGYIDE。

                  注册送现金一元秒提现• RUGUO Redis YONGZUOCUNCHU,SHIYONGGUDINGDEJIANDAOJIEDIANDEYINGSHE,SUOYIJIEDIANDESHULIANGBIXUGUDINGBUNENGGAIBIAN。FOUZE,DANGZENGSHANJIEDIANSHI,JIUXUYAOYIGEZHICHIZAIPINGHENGJIEDIANJIANJIANDEXITONG,DANGQIANZHIYOU Redis JIQUNKEYIZUODAOZHEIYIDIAN.

                  6 预分片

                  WOMENYIJINGZHIDAOFENPIANCUNZAIDEYIGEWENTI,CHUFEIWOMENSHIYONG Redis ZUOWEIHUANCUN,ZENGJIAHESHANCHUJIEDIANSHIYIJIANHENJISHOUDESHIQING,SHIYONGGUDINGDEJIANHESHILIYINGSHEYAOJIANDANDEDUO。

                  RANER,SHUJUCUNCHUDEXUQIUKENENGYIZHIZAIBIANHUA。JINTIANWOKEYIJIESHOU 10 GE Redis JIEDIAN(SHILI),DANSHIMINGTIANWOKENENGJIUXUYAO 50 GEJIEDIAN。

                  YINWEI Redis ZHIYOUXIANGDANGSHAODENEICUNZHANYONGQIEQINGLIANGJI(YIGEKONGXIANDESHILIZHISHIYONG 1MB NEICUN),YIGEJIANDANDEJIEJUEBANFASHIYIKAISHIJIUKAIQIHENDUODESHILI。JISHINIYIKAISHIZHIYOUYITAIFUWUQI,NIYEKEYIZAIDIYITIANJIUJUEDINGSHENGHUOZAIFENBUSHIDESHIJIELI,SHIYONGFENPIANLAIYUNXINGDUOGE Redis SHILIZAIYITAIFUWUQISHANG。

                  NIYIKAISHIJIUKEYIXUANZEHENDUOSHULIANGDESHILI。LIRU,32 HUOZHE 64 GESHILINENGMANZUDADUOSHUDEYONGHU,BINGQIEWEIWEILAIDEZENGZHANGTIGONGZUGOUDEKONGJIAN。

                  ZHEIYANG,DANGNIDESHUJUCUNCHUXUYAOZENGZHANG,NIXUYAOGENGDUODE Redis FUWUQI,NIYAOZUODEJIUSHIJIANDANDIJIANGSHILICONGYITAIFUWUQIYIDONGDAOLINGWAIYITAI。DANGNIXINTIANJIALEDIYITAIFUWUQI,NIJIUXUYAOBAYIBANDE Redis SHILICONGDIYITAIFUWUQIBANDAODIERTAI,RUCIDENGDENG。

                  SHIYONG Redis FUZHI,NIJIUKEYIZAIHENXIAOHUOZHEGENBENBUXUYAOTINGJISHIJIANNEIWANCHENGYIDONGSHUJU:

                  注册送现金一元秒提现• ZAINIDEXINFUWUQISHANGQIDONGYIGEKONGSHILI。

                  注册送现金一元秒提现• YIDONGSHUJU,PEIZHIXINSHILIWEIYUANSHILIDECONGFUWU。

                  • TINGZHINIDEKEHUDUAN。

                  注册送现金一元秒提现• GENGXINBEIYIDONGSHILIDEFUWUQI IP DIZHIPEIZHI。

                  • XIANGXINFUWUQISHANGDECONGJIEDIANFASONG SLAVEOF NO ONE MINGLING。

                  注册送现金一元秒提现• YIXINDEGENGXINPEIZHIQIDONGNIDEKEHUDUAN。

                  注册送现金一元秒提现• ZUIHOUGUANBIDIAOJIUFUWUQISHANGBUZAISHIYONGDESHILI。

                  7 分片实现(实践)

                  DAOMUQIANWEIZHI,WOMENCONGLILUNSHANGTAOLUNLE Redis FENPIAN,DANSHISHIJIANQINGKUANGRUHENI?NIYINGGAISHIYONGSHENMEXITONGNI?

                  7.1 Redis 集群

                  注册送现金一元秒提现Redis JIQUNSHIZIDONGFENPIANHEGAOKEYONGDESHOUXUANFANGSHI.

                  YIDAN Redis JIQUNKEYONG,YIJIZHICHI Redis JIQUNDEKEHUDUANKEYONG,Redis JIQUNJIANGHUICHENGWEI Redis FENPIANDESHISHIBIAOZHUN。

                  Redis JIQUNSHICHAXUNLUYOUHEKEHUDUANFENPIANDEHUNHEMOSHI。

                  7.2 Twemproxy

                  Twemproxy SHI Twitter KAIFADEYIGEZHICHI Memcached ASCII HE Redis XIEYIDEDAILI。TASHIDANXIANCHENGDE,YOU C YUYANBIANXIE,YUNXINGFEICHANGDEKUAI。JIYU Apache 2.0 XUKEDEKAIYUANXIANGMU。

                  注册送现金一元秒提现Twemproxy ZHICHIZIDONGZAIDUOGE Redis SHILIJIANFENPIAN,RUGUOJIEDIANBUKEYONGSHI,HAIYOUKEXUANDEJIEDIANPAICHUZHICHI(ZHEIHUIGAIBIANJIANHESHILIDEYINGSHE,SUOYINIYINGGAIZHIZAIJIANG Redis ZUOWEIHUANCUNSHICAISHIYONGZHEIGETEXING)。

                  注册送现金一元秒提现ZHEIBINGBUSHIDANDIANGUZHANG(single point of failure),YINWEINIKEYIQIDONGDUOGEDAILI,BINGQIERANGNIDEKEHUDUANLIANJIEDAODIYIGEJIESHOULIANJIEDEDAILI。

                  CONGGENBENSHANGSHUO,Twemproxy SHIJIEYUKEHUDUANHE Redis SHILIZHIJIANDEZHONGJIANCENG,ZHEIJIUKEYIZAIZUIXIADEEWAIFUZAXINGXIAKEKAODICHULIWOMENDEFENPIAN。ZHEISHIDANGQIANJIANYIDECHULI Redis FENPIANDEFANGSHI.

                  7.3 支持一致性哈希的客户端

                  Twemproxy ZHIWAIDEKEXUANFANGAN,SHISHIYONGSHIXIANLEKEHUDUANFENPIANDEKEHUDUAN,TONGGUOYIZHIXINGHAXIHUOZHEBIEDELEISISUANFA。YOUDUOGEZHICHIYIZHIXINGHAXIDE Redis KEHUDUAN,LIRU Redis-rb HE Predis。

                  QINGCHAKANWANZHENGDE Redis KEHUDUANLIEBIAO,KANKANSHIBUSHIYOUZHICHINIDEBIANCHENGYUYANDE,BINGSHIXIANLEYIZHIXINGHAXIDECHENGSHUKEHUDUAN。

                  Tags: Redis分片 分布式缓存

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