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                                  1. 当前位置 : IT培训网 > 求职攻略 > 程序员面试有技巧 掌握这些技巧高职高薪跑不了

                                    程序员面试有技巧 掌握这些技巧高职高薪跑不了

                                    时间:2018-10-18 11:23:39  来源:编程网  作者:IT培训网  已有:名学员访问该课程
                                    标签(Tag):   程序员面试(6)
                                    作为一个消息系统,不可避免的便是消息的拷贝,常规的操作,一条消息,需要从创建者的socket到应用,再到操作系统内核,然后才能落盘。同样,一条消息发送给消费者也要从磁盘到内核到应用再到接受者的socket,中间经过了多次不是很有必要的拷贝。

                                    天下棋牌下载 CHENGXUYUANJINGDIANMIANSHITI,KafkaDUXIEYINGPANWEISHENMESUDUHAINEIMEKUAI!MEIDANGCHENGXUYUANMIANSHIDESHIHOUZONGHUIYUDAOGEZHONGWENTI,MINGMINGYOUJINENG,MINGMINGYOUBENSHI,QUEBUNENGRUZHIHUOZHENADAOGENGGAODEXINZI,ZHEISHUOMINGSHENMEWENTINI,NEIJIUSHIMIANSHIMEIYOUZHANGWOQIAOMEN。

                                    ZAIJINTIANDEHENDUOCHENGXUYUANZHAOPINLI,DOUHUIYAOQIUNENGGOUSHULIANYUNYONGApache KafkaDENGZHISHAOYIZHONGXIAOXIDUILIE,Apache KafkaYESHICHENGXUYUANMIANSHILIDECHANGKE。ZAIDADUOSHURENDEYINGXIANGZHONG,XIECIPANDOUSHIBIJIAOMANDE,KESHI,WEISHENMEApache KafkaZAIGEDAMQXINGNENGDEPINGCEZHONG,HAINENGGOUJIBAIZHONGDUODUISHOU,QUDEBUCUODECHENGJINI?

                                    程序员面试有技巧 掌握这些技巧高职高薪跑不了_wescliffe.com

                                    CHENGXUYUANMIANSHIYOUJIQIAO ZHANGWOZHEIXIEJIQIAOGAOZHIGAOXINPAOBULE

                                    顺序写磁盘

                                    天下棋牌下载 ZAIWOMENDESHENGCHANHUANJINGZHONG,WEILEJIEYUECHENGBEN,DABUFENFUWUQIRENGRANSHIYONGJIXIECIPAN,ERFEIGUTAIYINGPAN。WOMENZHIDAO,JIXIECIPANDUXIESHUJU,SHOUXIANXUYAOXUNDAO,JIANGCITOUDIAOZHENGDAODUIYINGDECIDAOSHANG,JINJIEZHE,HUIJINXINGXUANZHUAN,JIANGCITOUXUANZHUANDAODUIYINGDEWEIZHISHANG,ZUIHOUCAISHIDUXIESHUJU,XUNDAOGENXUANZHUAN,ZHANYONGLECIPANDUXIEDEDALIANGSHIJIAN,SUOYI,Apache KafkaZAIXIECIPANDESHIHOU,DALIANGDISHIYONGLEZHUIJIAXIEDEMOSHI,JIANSHAOLECIPANXUNDAOYUXUANZHUANDISHIJIAN,CONGERDADAOGENGGAODECIPANLIYONGLV。

                                    零拷贝技术的使用

                                    ZUOWEIYIGEXIAOXIXITONG,BUKEBIMIANDEBIANSHIXIAOXIDEKAOBEI,CHANGGUIDECAOZUO,YITIAOXIAOXI,XUYAOCONGCHUANGJIANZHEDEsocketDAOYINGYONG,ZAIDAOCAOZUOXITONGNEIHE,RANHOUCAINENGLUOPAN。TONGYANG,YITIAOXIAOXIFASONGJIXIAOFEIZHEYEYAOCONGCIPANDAONEIHEDAOYINGYONGZAIDAOJIESHOUZHEDEsocket,ZHONGJIANJINGGUOLEDUOCIBUSHIHENYOUBIYAODEKAOBEI。

                                    ZAILinuxCAOZUOXITONGZHONG,TONGYANGWEIWOMENTIGONGLELINGKAOBEIJISHU,LINGKAOBEIJISHUBINGFEIZHENDEBUYONGKAOBEI,ERSHIDADADIJIANSHAOLEKAOBEICISHU。JUGELIZI,YUANBENCONGCIPANDAOJIESHOUZHESocketZHONG,XUYAOJIANGUONEIHETAI,YOUYAOJINGGUOApache KafkaYINGYONG,NEIMEYOUMEIYOUKENENGZHIJIEYUEGUOZHEILIANGCENGZHUANGTAI,DADAOGENGSHAODEKAOBEICISHUNI?Java DENIOKU,BANGWOMENSHIXIANLEZHEIYIQIE,JIEYONGJavaNIOKUFENGZHUANGDEAPI,WOMENKEYIZHIJIESHIYONGLinuxCAOZUOXITONGDELINGKAOBEIJISHU,RANGXITONGGENGKUAI。

                                    大量使用内存页

                                    WOMENZHIDAO,JIBIANSHISHUNXUXIECIPAN,CIPANDEDUXIESUDURENRANBINEICUNMANMANDEDUODEDUO,HAOZAICAOZUOXITONGYIJINGBANGWOMENJIEJUEZHEIGEWENTILE,ZAILinuxCAOZUOXITONGZHONG,LinuxHUIJIANGCIPANZHONGDEYIXIESHUJUDUQUDAONEICUNDANGZHONG,WOMENCHENGZHIWEINEICUNYE。DANGXUYAODUXIEYINGPANDESHIHOU,DOUYOUXIANZAINEICUNYEZHONGJINXINGCHULI。DUDEHUADAJIABIJIAOHAOLIJIE,JIUSHIHUANCUNMA,XIEDEHUARUGUOZHIXIEZAIHUANCUNMEIYOULUOPANBUSHIHUIXINGCHENGZANGSHUJUME?DEQUERUCI,ZHIYOUDANGZANGYEDAODAYIDINGBILIZHIHOU,LinuxCAOZUOXITONGCAIHUIBASHUJUSHUADAOCIPANDANGZHONG。ZAIJIQIFASHENGDIAODIANDESHIHOU,DEQUEHUICHUXIANZANGSHUJU。DANSHI,WOMENGENGYINGGAISHIYONGFENBUSHIXIEDAODUOTAIJIQISHANGLAICONGGENBENSHANGJIEJUEZHEIGEWENTI。

                                    BINGQIE,XIEZAINEICUNYEDELINGWAIYIGEHAOCHUSHIJIANSHAOYINGYONGNEICUNDESHIYONG,WOMENDOUZHIDAOApache KafkaSHIYONGJavaYUYANBIANXIEDE,BUDEBUBIMIANDEBIANSHIJavaDEGCWENTI,SUIZHEYINGYONGNEICUNDEZENGDUO,LAJIHUISHOUDESHIJIANHUIGENGDUO,DAILAIZHENGTIXINGNENGDEXIAJIANG。

                                    总结

                                    以上三点,便是Apache Kafka虽然使用了硬盘存储,但是仍然可以速度很快的原因,当然,除此之外,Apache Kafka还有很多特性让他很快,如果你想要当一名程序员,请先掌握技术,在了解面试技巧,如此你才能在职场的路上走的更好,最后IT培训网希望大家走可以在程序之路上走的更好!

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