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MySQL 數(shù)據(jù)庫(kù)索引使用場(chǎng)景&注意事項(xiàng)
目錄 1.何種查詢支持索引？2.注意事項(xiàng)和建議 一 何種查詢支持索引？ 1 MySQL 目前支持前導(dǎo)列 2.索引列上的范圍查找 3.join 列 4.where 子句 5.m...
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本人公眾號(hào) “華仔聊技術(shù)”<br><br>十年互聯(lián)網(wǎng)人，個(gè)人IP&公眾號(hào)博主，主攻中間件相關(guān)硬核技術(shù)<br><br>公眾號(hào)kafka系列文章:<br><a href="https://links.jianshu.com/go?to=https%3A%2F%2Fmp.weixin.qq.com%2Fmp%2Fappmsgalbum%3F__biz%3DMzg3MTcxMDgxNA%3D%3D%26action%3Dgetalbum%26album_id%3D2147575846151290880%26scene%3D173%26from_msgid%3D2247488854%26from_itemidx%3D1%26count%3D3%26nolastread%3D1%23wechat_redirect" target="_blank">https://mp.weixin.qq.com/mp/appmsgalbum?__biz=Mzg3MTcxMDgxNA==&action=getalbum&album_id=2147575846151290880&scene=173&from_msgid=2247488854&from_itemidx=1&count=3&nolastread=1#wechat_redirect</a> 歡迎關(guān)注<br><br><br>github:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fmenghuan" target="_blank">https://github.com/menghuan</a><br>PHP7/Redis5/Nginx/Linux源碼分析匯總鏈接:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fmenghuan%2Flnmp-code-analysis" target="_blank">https://github.com/menghuan/lnmp-code-analysis</a><br><br>最近在寫(xiě)的一款go cron工具：<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fmenghuan%2FgoDistributedCron" target="_blank">https://github.com/menghuan/goDistributedCron</a> 基本完成 后續(xù)會(huì)添加微服務(wù)相關(guān)設(shè)計(jì) 歡迎star<br><a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fmenghuan%2Fgo-distributed-cron-fronted" target="_blank">https://github.com/menghuan/go-distributed-cron-fronted</a> go-cron vue管理后臺(tái) 待完善 歡迎star<br><br>友情鏈接<br>歐神的博客 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fblog.changkun.de%2F" target="_blank">https://blog.changkun.de/</a><br>碼農(nóng)桃花源 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fqcrao.com%2F" target="_blank">https://qcrao.com/</a><br>曹大的博客 <a href="https://links.jianshu.com/go?to=http%3A%2F%2Fxargin.com%2F" target="_blank">http://xargin.com/</a><br>面向信仰編程 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fdraveness.me" target="_blank">https://draveness.me</a><br>煎魚(yú) <a href="https://links.jianshu.com/go?to=https%3A%2F%2Feddycjy.com%2Fposts%2F" target="_blank">https://eddycjy.com/posts/</a><br>達(dá)神的博客 <a href="https://links.jianshu.com/go?to=http%3A%2F%2Fwww.weisd.in%2F" target="_blank">http://www.weisd.in/</a><br>陳捷的博客 <a href="https://links.jianshu.com/go?to=http%3A%2F%2Fwww.chenjie.info%2F" target="_blank">http://www.chenjie.info/</a><br>夢(mèng)康的博客 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fmengkang.net%2F" target="_blank">https://mengkang.net/</a><br>濤哥博客 <a href="https://links.jianshu.com/go?to=http%3A%2F%2Fwww.tiyee.net%2F" target="_blank">http://www.tiyee.net/</a><br>周至博客 <a href="https://links.jianshu.com/go?to=http%3A%2F%2Fwww.sunnysmilez.cn%2F" target="_blank">http://www.sunnysmilez.cn/</a><br>朱小廝博客 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fblog.csdn.net%2Fu013256816%2Farticle%2Fdetails%2F54743481" target="_blank">https://blog.csdn.net/u013256816/article/details/54743481</a><br>鯉魚(yú)的博客:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fwww.iamle.com" target="_blank">https://www.iamle.com</a><br>數(shù)據(jù)庫(kù)內(nèi)核月報(bào)<a href="https://links.jianshu.com/go?to=http%3A%2F%2Fmysql.taobao.org%2Fmonthly%2F" target="_blank">http://mysql.taobao.org/monthly/</a><br>全棧技術(shù):<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fblog.thankbabe.com%2F" target="_blank">https://blog.thankbabe.com/</a><br>美團(tuán)技術(shù)博客:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Ftech.meituan.com%2F" target="_blank">https://tech.meituan.com/</a><br>阿里中間件團(tuán)隊(duì)博客:<a href="https://links.jianshu.com/go?to=http%3A%2F%2Fjm.taobao.org%2F" target="_blank">http://jm.taobao.org/</a><br>運(yùn)維社區(qū):<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fwww.unixhot.com%2F" target="_blank">https://www.unixhot.com/</a><br>cacheCloud:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fcachecloud.github.io%2F" target="_blank">https://cachecloud.github.io/</a><br>go知識(shí)圖譜:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fwww.processon.com%2Fview%2Flink%2F5a9ba4c8e4b0a9d22eb3bdf0" target="_blank">https://www.processon.com/view/link/5a9ba4c8e4b0a9d22eb3bdf0</a><br>go語(yǔ)言分析 <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fchangkun%2Fgo-under-the-hood%2Fblob%2Fmaster%2Fbook%2Fzh-cn%2FTOC.md" target="_blank">https://github.com/changkun/go-under-the-hood/blob/master/book/zh-cn/TOC.md</a><br>后端架構(gòu)體系:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fxingshaocheng%2Farchitect-awesome" target="_blank">https://github.com/xingshaocheng/architect-awesome</a><br>架構(gòu)師技術(shù)圖譜:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Ftoutiaoio%2Fawesome-architecture" target="_blank">https://github.com/toutiaoio/awesome-architecture</a><br>互聯(lián)網(wǎng) Java 工程師進(jìn)階知識(shí)完全掃盲:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fdoocs%2Fadvanced-java" target="_blank">https://github.com/doocs/advanced-java</a><br>從Docker到Kubernetes進(jìn)階:<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fwww.qikqiak.com%2Fk8s-book%2F" target="_blank">https://www.qikqiak.com/k8s-book/</a>
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redis緩存隊(duì)列+mysql 批量入庫(kù)+php離線整合
redis緩存隊(duì)列+mysql 批量入庫(kù)+php離線整合 需求背景：有個(gè)調(diào)用統(tǒng)計(jì)日志存儲(chǔ)和統(tǒng)計(jì)需求，要求存儲(chǔ)到mysql中；存儲(chǔ)數(shù)據(jù)高峰能達(dá)到日均千萬(wàn)，瓶頸在于直接入庫(kù)并發(fā)太...
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[轉(zhuǎn)載]PHP高并發(fā)下單解決方案
如今在電商行業(yè)里,秒殺搶購(gòu)活動(dòng)已經(jīng)是商家常用促銷手段。但是庫(kù)存數(shù)量有限，而同時(shí)下單人數(shù)超過(guò)了庫(kù)存量，就會(huì)導(dǎo)致商品超賣甚至庫(kù)存變負(fù)數(shù)的問(wèn)題。 比如：搶購(gòu)火車票、論壇搶樓、抽獎(jiǎng)乃...
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微信公眾號(hào) ganggangwudao
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高并發(fā)下用戶搶購(gòu)問(wèn)題簡(jiǎn)答
高并發(fā)下用戶搶購(gòu)問(wèn)題簡(jiǎn)答 前言 面試題當(dāng)中如何處理高并發(fā)用戶搶購(gòu)問(wèn)題可以說(shuō)是一個(gè)十分經(jīng)典的問(wèn)題,經(jīng)常被提及,在這就這個(gè)問(wèn)題寫(xiě)一個(gè)簡(jiǎn)要的解答; 思路 并發(fā)的最大瓶頸永遠(yuǎn)是數(shù)據(jù)庫(kù)...
