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                            <li><i class="fa fa-clock-o fa-fw"></i>2021-08-01</li>
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                        <strong>Java架构师方案——电商平台延迟中台服务的设计(开源项目，可参与代码设计)</strong>
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                    <div id="content" class="blog-info-body cal-hid markdown-body editor-preview-active-side" style="display:block;">
 						<ul>
<li><font size=4><a href="#1"><strong>1. 延迟域重要应用场景</strong></a></font></li>
<li><font size=4><a href="#2"><strong>2. 延迟能力常见的解决方案</strong></a></font></li>
<li><font size=4><a href="#3"><strong>3. 系统建设目标</strong></a></font></li>
<li><font size=4><a href="#4"><strong>4. 延迟域服务1.0版本设计</strong></a></font>
</li>
<li><font size=4><a href="#5"><strong>5. 谈谈高可用性、高性能、伸缩性</strong></a></font>
</li>
<li><font size=4><a href="#6"><strong>6. 项目如何接入延迟域服务</strong></a></font>

</li>
</ul>
<p><a name="1"><font  size=4 face="黑体"><strong>1. 延迟域重要应用场景</strong></font></a></p>
<ol>
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<li>业务中台业务线callback通知场景。</li>
<li>未领取或未领取完的红包退回场景。</li>
<li>企业构建延迟中台。</li>
</ol>
<p><a name="2"><font  size=4 face="黑体"><strong>2. 延迟能力常见的解决方案</strong></font></a></p>
<ol>
<li>JDK的DelayQueue</li>
<li>常见的Mq：ActiveMq,RocketMq等【延迟时间粒度小，延迟能力不强】。</li>
<li>定期扫库。</li>
<li>Netty时间轮方案。</li>
<li>redis Zset数据结构。</li>
</ol>
<p><a name="3"><font  size=4 face="黑体"><strong>3. 系统建设目标</strong></font></a></p>
<p>延迟域实现</p>
<h4 id="-">延迟消息</h4>
<ul>
<li>Http通知型消息【已实现初版】</li>
<li>Http通知模型【已实现出版】</li>
<li>消费-生产者模型通信的基础组件【已实现初版】</li>
<li>message Handler路由器【已实现初版】</li>
<li>redis存储模型【已实现初版】</li>
<li>Swagger2集成【已实现初版】</li>
<li>Topic型消息【未实现】</li>
<li>Topic模型【未实现】</li>
<li>Topic管理【未实现】</li>
<li>Topic消费组模型【未实现】</li>
<li>Topic生产者【未实现】</li>
<li>Topic消费者【未实现】</li>
<li>接入层msg校验域【未实现】</li>
<li>消息分流器【未实现】</li>
<li>中长期消息文件存储域【未实现】</li>
<li>中长期消息关系数据库存储域【未实现】</li>
</ul>
<p><a name="4"><font  size=4 face="黑体"><strong>4. 延迟域服务1.0版本设计</strong></font></a></p>
<p><img src="/upload/2021/07/q309m52ut8j0mq0513n7so43ne.png" alt="alt"></p>
<p><a name="5"><font  size=4 face="黑体"><strong>5. 谈谈高可用性、高性能、伸缩性</strong></font></a></p>
<p>延迟中台系统的这些特性还未设计</p>
<p>####未来规划<br>redis存储的高可用、伸缩性及性能设计<br>延迟服务的高可用、伸缩性及性能设计</p>
<p><a name="6"><font  size=4 face="黑体"><strong>6. 项目如何接入延迟域服务</strong></font></a></p>
<p>工作比较忙，只有周末有时间，简单的接入文档待完成，但开发者可用直接运行延迟服务。</p>
<p>完整的demo项目，请关注公众号“前沿科技bot“并发送&quot;延迟域&quot;获取。</p>
<p><img src="/upload/2020/05/6s8d58g77ehftpcen62h4v4bss.png" alt="alt"></p>

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