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class="position"> <em class="iconfont ca icon-dingwei"></em> <a href='http://lpo831.com/'>學習啦</a> > <a href='http://lpo831.com/diannao/'>學習電腦</a> > <a href='http://lpo831.com/diannao/guzhang/'>電腦故障</a> > <a href='http://lpo831.com/diannao/guzhang/xianxiang/'>電腦故障現(xiàn)象</a> > <a href='http://lpo831.com/diannao/guzhang/man/'>系統(tǒng)變慢</a> > </div> <div id="pvkqpua" class="ar_con_nr"> <div id="d8gjbz9" class="con_l fl"> <article class="ar_con bg louti"> <div id="48l9jpx" class="ar_title"> <h1>電腦網(wǎng)速很慢有哪些原因?qū)е?/h1> <div id="xeyof9o" class="ar_title_b"> <div id="cvlc0um" class="sub_title clear"> <span id="dod9pba" class="sp2 c6 fl">時間：<time class="fxtime">2024-01-09 05:16:50</time></span> <span id="7ukrpyx" class="sp1 c6 fl"><em id="zuozhe" class="noshow">加城</em><em class="user_id noshow">1195</em>由 <em class="nickname"></em> 分享</span> <span id="zcjz0r7" class="fl arc_btn"></span> </div> </div> </div> <div id="x75sa2i" class="y_ju"></div> <div id="a82r799" class="con_article con_main" id="contentText"> <p> 　　電腦使用過程中網(wǎng)速很慢，無論是工作學習，還是打游戲看視頻，都很慢，這怎么回事呢?那如何解決網(wǎng)速變慢的問題呢?現(xiàn)在小編就和大家說一下網(wǎng)速變慢的原因和解決方法吧!</p><h2>　　步驟如下：</h2><p> 　　1、電腦病毒：只要是電腦出現(xiàn)了問題，找它準沒錯(雖然很多情況并非病毒引起)。病毒是跟隨電腦而成的產(chǎn)物，專門用于破壞活</p><p> 　　2、下載與上網(wǎng)同步：很多朋友喜歡一邊下載一邊進行網(wǎng)上沖浪，兩不耽誤嗎，但是家用寬帶的帶寬畢竟有限，如果你進行下載的同時還進行占用大量帶寬的操作，例如看視頻，就會出現(xiàn)卡視頻的現(xiàn)象，嚴重的打開個網(wǎng)頁都費勁。解決辦法：我們可以限制下載速度，在保證網(wǎng)頁正常瀏覽的情況下進行下載操作即可。</p><p> 　　3、蹭網(wǎng)：一般使用有線上網(wǎng)的電腦不會遇到這種情況，但是隨著筆記本的普及，越來越多的人把無線作為了聯(lián)網(wǎng)方式，但是無線有一個很大的缺點就是容易被蹭網(wǎng)，一旦被蹭網(wǎng)，自己的網(wǎng)速自然會變慢，畢竟帶寬有限，他用的多了，分給你的就少了。解決辦法：使用無線上網(wǎng)的時候一定要設(shè)置無線密碼，最好定期更換無線密碼，可以最大限度的防止蹭網(wǎng)。</p><p> 　　4、網(wǎng)卡和網(wǎng)卡驅(qū)動：網(wǎng)卡和網(wǎng)卡驅(qū)動和網(wǎng)速有關(guān)系嗎，網(wǎng)上是眾說紛紜，小編并沒有實際測試過，不好妄下斷語，當然也有人因為解決網(wǎng)卡和驅(qū)動問題從而解決了網(wǎng)速變慢的問題，因此小編在此列舉出來。解決辦法：這個要視情況而定，因為小編沒有遇到過，也給不了解決辦法，如果大家覺得就是網(wǎng)卡和驅(qū)動的問題，可以上網(wǎng)搜搜有關(guān)信息。</p><p> 　　5、系統(tǒng)垃圾文件過多：這個小編本不想列舉出來，因為可能跟網(wǎng)速變慢沒有直接的關(guān)系(當然不少人認為有)，但是跟電腦的運行速度有直接的關(guān)系，垃圾多了電腦運行較之前肯定緩慢，從而導致打開網(wǎng)頁變慢，給人以網(wǎng)速變慢的錯覺，此時你如果下載東西的話可以發(fā)現(xiàn)，仍然可以達到很高帶寬值。解決辦法：雖然對于網(wǎng)速沒有直接影響，但是系統(tǒng)垃圾過多也不是件好事，經(jīng)常清理系統(tǒng)垃圾是一個很好的習慣。</p><h2>　　相關(guān)閱讀：系統(tǒng)變得很慢原因分析</h2><p> 　　第一步：登錄后臺服務器/監(jiān)控平臺，查看系統(tǒng)資源是否達到上限，例如：CPU、內(nèi)存、磁盤、I/O、網(wǎng)絡(luò)帶寬等，如果是這些問題，先將這些問題逐一解決：</p><p> 　　如果是CPU的問題，則需要查看一下CPU占比比較高的進程，然后使用jstack命令生成進程的堆棧信息，看是否發(fā)生頻繁Full GC，如果是的話，還需要看一下內(nèi)存快照，分析一下內(nèi)存情況(可以使用java自帶的或第三方工具);如果是磁盤空間滿了，及時清理磁盤;如果是帶寬滿了，聯(lián)系網(wǎng)絡(luò)工程師解決。如果以上這些問題都沒有，則進行第二步。</p><p> 　　第二步：檢查應用服務器(Jboss/Tomcat)的線程池配置是否合理，看一下請求的排隊現(xiàn)象是否嚴重，如果嚴重則需要重新設(shè)置合理的線程池。同樣，檢查一下數(shù)據(jù)庫的連接池設(shè)置是否合理，增大連接池設(shè)置，同時檢查一下是否有慢sql，如果有慢sql，則進行優(yōu)化(優(yōu)化方案是查看執(zhí)行計劃，設(shè)置合理的索引等)。</p><p> 　　第三步：查看訪問慢的服務的調(diào)用鏈，查看一下調(diào)用鏈中的每一步響應時間是否合理，如果不合理，則聯(lián)系相關(guān)系統(tǒng)的負責人進行排查和解決。</p><p> 　　第四步：檢查web服務器的請求日志，看一下是否存在Doss攻擊，如果有Doss攻擊，則將攻擊者的IP添加到防火墻的黑名單里。</p> 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