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        <title>System Design - Tag - HEJTAO</title>
        <link>https://hejtao.netlify.app/tags/system-design/</link>
        <description>System Design - Tag - HEJTAO</description>
        <generator>Hugo -- gohugo.io</generator><language>en-us</language><lastBuildDate>Mon, 11 Dec 2023 00:00:00 &#43;0000</lastBuildDate><atom:link href="https://hejtao.netlify.app/tags/system-design/" rel="self" type="application/rss+xml" /><item>
    <title>The Design of a Instant Buying System</title>
    <link>https://hejtao.netlify.app/posts/cs-kill/</link>
    <pubDate>Mon, 11 Dec 2023 00:00:00 &#43;0000</pubDate>
    <author>HEJTAO.COM</author>
    <guid>https://hejtao.netlify.app/posts/cs-kill/</guid>
    <description><![CDATA[Use the static web page Get a domain such as shop.com
Get a server as the source node for CDN
Public IP such as 11.11.11.11 Deploy a web server to serve web pages on this sever Get a CDN service
Domain：cdn.shop.com Set 11.11.11.11 as source node Disable the snaching button The snaching button is disabled until the beginnng of the buying event. Refresh the CDN to enable. Check the product to be snached Avoid cache breakdown （避免缓存击穿） if p, ok := redis.]]></description>
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    <title>System Design Glossory</title>
    <link>https://hejtao.netlify.app/posts/cs-sys-design/</link>
    <pubDate>Fri, 02 Dec 2022 00:00:00 &#43;0000</pubDate>
    <author>HEJTAO.COM</author>
    <guid>https://hejtao.netlify.app/posts/cs-sys-design/</guid>
    <description><![CDATA[ACID Transaction A type of database transaction that has four important properties: Atomicity: The operations that constitute the transaction will either all succeed or all fail. There is no in-between state. Consistency: The transaction cannot bring the database to an invalid state. After the transaction is committed or rolled back, the rules for each record will still apply, and all future transactions will see the effect of the transaction. Also named Strong Consistency.]]></description>
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