黑龙江快乐十分

Web应用的性能优化思路——找到瓶颈

2/10/2017来源:心得技巧人气:17517

pingjingshishenme?

yitiao4chedaodegonglu,yunxingfeichangshunchang,turanchuledianshigu,shiguchedaozhimougedifangzhishengxia1chedao,ranhoujiukaishiduche,yinweisiliangchetongshisaixiangyigechedaoli。bazheigeshiguqingchule,guzhangchetuozoule,daoluhuikaishihuifuletongchang。

zheigedaolisheidoudong,danpianpianyouxieshaguajiaojingquba4chedaobiancheng8chedao,danquebuqinglishiguluduan。

黑龙江快乐十分 yigewebyingyong,buguanshihezhongyuyankaifa,culvedejiegouwufeishisanceng:

1. yemian

黑龙江快乐十分 keyishi、、dengyemianjishu,genjushujushengchengzuizhongdehtmlyemian,xingnengguanjianzhibiaozhiyouyige,yemiandexuanransudu。zonghegezhongyemianjishueryan,xuanransuduxiangchabuhuitaida,10beiyinei。

2. yewuluoji

黑龙江快乐十分 yongyugenjuyewuxuyaojiangzhongdeshujuduqudaoneicunzhong,yibiantongguoyemianmobanxuanranchenghtmlyemian。zheilimiankenenghaibaokuohuancun、lianjiechidengjishu。

3. shujuku

jiushishujuku,fuzezhixingsqlchaxunbingfanhuichaxunjieguo。

womenjiasheyonghufangwenyigeyemian,yejiushiqingqiuyigeurldizhi,ranhoudedaoneirong,suoxuyaodeshijianshi3miaozhong。qizhongdabufenshijiankenengyongzaiwangluochuanshushang,erzhenzhengyemianzhixingbingshengchenghtmlneirongsuoxudeshijianshihenxiaode,zheilijiashexuyao100haomiao。

黑龙江快乐十分 xiangdangyuyonghuhualeliangmiaoduozhongzaichuanshushujushang,zheibufenshijianruguonengsuojian,keyidadatishengfangwendesudu,danshizheibufenyibanyenanyitishengle,yinweiqujueyuyonghubenshendewangluoqingkuang,fuwuqidewangluoqingkuangyijizhongjianzhenggeluyoudeqingkuang。duiyuyigewangzhanlaishuo,nengzuodejiushijinkenengdetishengfuwuqidedaikuan,huozheshiyongcdnlaijianshaozhongjianluyouhuanjie,henbuxingdeshi,zheigechengbenhengao。

haoba,qianmiantidaodegengduoshifeijishuyinsu,jiasheniyijinghaofeijuzijiejuelezheigewenti,ranhouturanfaxianwangluotaikuaile,keshifuwuqidingbuzhule,shengchengyigeyemianjuranyao100haomiao,caijishigebingfayonghujiuchadianyaobafuwuqigaobengkuile。

yushilaidaolebenwendezhongdianbufen——zhaochuyingyongdexingnengpingjing。

qianmianwomentidaodejiegouzhongdesanceng:yemianmoban,yewuluojiheshujuku,genjujingyan值,zaizhei100haomiaozhong,sangebufenzhanyongdeshijianchabuduowei:yemianmoban(5%)、yewuluoji+shujuku(95%)。

jigezhunze:

1. meibiyaoquyouhuayemianmoban,zheidoushiyixiehenchengshudejishu,jiusuannihaoburongyitishengle10%dexingneng,zhei10%zaizhenggeyemiandezhixingguochengzhongzhizhanle0.5%debili,weihuqiwei,dengyushiqianmianlizizhongde4chedaobian8chedaodeshagua,womenbuyaoquchongdangshagua。

2. yibanpingjingsuozaiyijixiangyingchulibanfa

数据库连接:使用连接池来减少连接次数重复的数据库查询:使用缓存来避免重复的数据库查询慢查询:使用索引来提升查询速度,使用连接查询替换子查询等

jianjiandandandesantiao,limianquebaohanlehenshendegongfu,tebieshizaishujukuchaxunyouhuashang。

nibixuzaichongfenjiejuelezheixieyingyongchengxusuoshudexingnengpingjingzhihou,zaiqukaolvxitongjibiedeyouhua。

黑龙江快乐十分 yixiechangyongxitongjibieyouhuabaokuo:

1. jingtaiwenjianhedongtaiyemianfenkaichuli 2. yingyongfuwuqidejiqun 3. shujukudejiqun

黑龙江快乐十分 buyaobenmodaozhi,yigexingnenghenchadeyingyongchengxu,nijiusuanjiqunle100gejiedian,yebuhuiyoushenmexiaoguo。

suoyiwebwangzhanyouhuasanbuqu:yingyongchengxuyouhua、



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