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<h3><a href="/article/vps-digitalocean/">[VPS] DigitalOcean VPS的下載速度很慢？？？</a></h3>
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<span class="date moment">2015-01-15</span>
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<p>今天早上收到 DigitalOcean 寄來的信件，說 開始支援FreeBSD了</p>
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<p>之前就注意這家廠商很久了，居然支援 FreeBSD ！太酷了！有很多國外的VPS都不能跑FreeBSD的</p>
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<p>而且一個月也大概就是 10美元，跟我現有的VPS差不多，機房有新加坡可以選，所以馬上就申請了一台來玩玩看。</p>
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<p>安裝的過程就不多提，主要是我想從現在這個網站把 Wordpress 的備份檔案丟過去作restore</p>
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<p>可是下載速度很慢，大概只有2xx KB !</p>
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<p>下面圖片可以看到，前面是 在我的電腦上，用FileZilla 抓檔案，後面是在 DigitalOcean 的機器上直接透過 ftp 指令抓檔</p>
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<p>FileZilla 速度有 1.2M ，DigitalOcean 那邊則是只有 250KB 左右..</p>
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<p><a href="http://www.cowbay.org/wp-content/uploads/2015/01/2015-01-15_17-01-00.png"><img src="http://www.cowbay.org/wp-content/uploads/2015/01/2015-01-15_17-01-00-1024x624.png" alt="2015-01-15_17-01-00" /></a></p>
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<p>我記得這機器的規格是共享 1G的線路，這狀況明顯不正常，所以我發信給客服，不意外的，客服回覆還是官方說法</p>
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<p>我們沒有限速！下載速度受到很多因素影響之類的廢話！
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> There isn’t any bandwidth limitation, however there are many factors that can impact throughput including the route of the data between hosts and the network utilization of the physical hosts involved
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實在很不爽，又發了一封信跟它們說 traceroute 的結果，從 DigitalOcean的機器 trace到這台機器只要14個節點</p>
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<p>從我的電腦trace過去要22個節點，結果DigitalOcean的下載速度反而比較慢？？</p>
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<p>客服接下來又鬼打牆了，叫我去測速、有測試到比較好的機房就把主機移過去..
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> You can test your download speed and latency to our datacenter locations with our test files available
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>
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> Once you identify another region with better performance, try re-deploying the droplet there.
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</p>
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<p>後來想到之前有看過個小工具叫 axel 就是類似在CONSOLE底下的 多點續傳軟體，裝起來跑跑看，結果速度馬上飆上去了！
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> File size: 1081098385 bytes
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> Opening output file backwpup_13d415_2015-01-15_15-22-41.tar.gz
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> Starting download
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>
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> Connection 5 finished ]
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> Connection 1 finished ]
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> Connection 8 finished ]
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> Connection 0 finished ]
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> Connection 7 finished ]
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> Connection 9 finished ]
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> Connection 3 finished ]
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>
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> Downloaded 1031.0 megabytes in 8:04 seconds. (2176.90 KB/s)
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</p>
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<p>所以看來是有限制單一session 的頻寬 (QOS可以這樣設定喔？)</p>
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<p>不想再跟客服魯下去，以後就把這台機器預設下載工具都換成 axel 了..</p>
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$('#search').autocomplete({ hint: false, autoselect: true, debug: false },
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[
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{
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source: $.fn.autocomplete.sources.hits(index, { hitsPerPage: 5, filters: 'language: en' }),
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displayKey: function(suggestion) {
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return suggestion.title || suggestion.author
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},
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templates: {
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suggestion: function(suggestion) {
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return "<span class='entry " + suggestion.type + "'>"
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+ "<span class='title'>" + suggestion.title + "</span>"
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+ "<span class='fa fa-fw " + suggestion.iconClass + "'></span>"
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+ "</span>"
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;
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},
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empty: function() {
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return "<span class='empty'>Nothing found.</span>"
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},
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footer: function() {
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return '<div class="branding">Powered by <img src="https:\/\/h.cowbay.org\/dist\/algolia-logo-light.svg" /></div>'
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}
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},
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}
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])
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.on('autocomplete:selected', function(event, suggestion, dataset) {
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window.location = (suggestion.url);
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})
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.keypress(function (event, suggestion) {
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if (event.which == 13) {
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window.location = (suggestion.url);
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}
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});
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</script>
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</body>
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</html>
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