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<!doctype html><html lang=en><head><title>hello world</title>
<meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="stay foolish, stay hungry"><meta name=author content="sunpeng"><meta name=baidu-site-verification content="vWQN0uJLC2"><link rel=alternate type=application/rss+xml href=https://sunpe.github.io/index.xml title="hello world"><meta property="og:title" content="hello world"><meta property="og:description" content="stay foolish, stay hungry"><meta property="og:type" content="website"><meta property="og:url" content="https://sunpe.github.io/"><meta name=generator content="Hugo 0.121.1"><link rel=stylesheet href=https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css integrity="sha256-l85OmPOjvil/SOvVt3HnSSjzF1TUMyT9eV0c2BzEGzU=" crossorigin=anonymous><link rel=stylesheet href=https://sunpe.github.io/fontawesome/css/all.min.css><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto+Slab|Ruda"><link rel=stylesheet type=text/css href=https://sunpe.github.io/css/styles.css></head><body><div id=container><header><h1><a href=https://sunpe.github.io/>hello world</a></h1><ul id=social-media></ul><p><em>stay foolish, stay hungry</em></p></header><nav><ul><li><a href=https://sunpe.github.io/><i class="fa-li fa fa-lg"></i><span>Home</span></a></li><li><a href=https://sunpe.github.io/posts/><i class="fa-li fa fa-lg"></i><span>Posts</span></a></li><li><a href=https://sunpe.github.io/tags/><i class="fa-li fa fa-lg"></i><span>Tags</span></a></li><li><a href=https://sunpe.github.io/categories/><i class="fa-li fa fa-lg"></i><span>Categories</span></a></li><li><a href=https://sunpe.github.io/about/><i class="fa-li fa fa-lg"></i><span>About</span></a></li></ul></nav><main><section id=home><ul><li class=first><h1><a href=https://sunpe.github.io/posts/2023-12-02-mysql-gap-locks/ title="MySql 间隙锁整理">MySql 间隙锁整理</a></h1><aside><ul><li><time class=post-date datetime=2023-12-02T22:00:00+08:00>Dec 2, 2023</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/database>database</a>
,
<a href=https://sunpe.github.io/categories/mysql>mysql</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/database>#database</a>
,
<a href=https://sunpe.github.io/tags/mysql>#mysql</a></em></li><li>6 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2023-12-02-mysql-gap-locks/ title="MySql 间隙锁整理"><img src></a></div><p>MySql InnoDB 事务隔离级别是 RR 的情况下，间隙锁会封锁该条记录相邻两个键之间的空白区域，防止其它事务在这个区域内插入、修改、删除数据，以防止出现幻读现象。</p><a href=https://sunpe.github.io/posts/2023-12-02-mysql-gap-locks/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2023-05-10-experience-in-golang/ title="golang 踩坑总结">golang 踩坑总结</a></h1><aside><ul><li><time class=post-date datetime=2023-05-10T22:00:00+08:00>May 10, 2023</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/golang>golang</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/golang>#golang</a></em></li><li>3 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2023-05-10-experience-in-golang/ title="golang 踩坑总结"><img src></a></div><p>groutine 泄漏 goroutine 是用户态的轻量级协程，在 golang 中开启 groutine 开销很小，能轻松开启成千上万的 goroutine。但是如果开启的 groutine 长驻内存，并且还不断的开启新的 goroutine，那么可能会导致内存泄漏问题。</p><a href=https://sunpe.github.io/posts/2023-05-10-experience-in-golang/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2022-11-21-grafana-datasource-plugin-column-name-bug/ title="grafana plugin 查询结果列名 bug 排查">grafana plugin 查询结果列名 bug 排查</a></h1><aside><ul><li><time class=post-date datetime=2022-11-21T22:00:00+08:00>Nov 21, 2022</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/golang>golang</a>
,
<a href=https://sunpe.github.io/categories/grafana>grafana</a>
,
<a href=https://sunpe.github.io/categories/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>问题排查</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/grafana>#grafana</a>
,
<a href=https://sunpe.github.io/tags/grafana-plugin>#grafana-plugin</a>
,
<a href=https://sunpe.github.io/tags/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>#问题排查</a></em></li><li>One minute read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2022-11-21-grafana-datasource-plugin-column-name-bug/ title="grafana plugin 查询结果列名 bug 排查"><img src></a></div><p>问题描述 有用户反馈，使用 grafanaplugin ，在 alerting 页面数据查询时，展示的列名不对。</p><a href=https://sunpe.github.io/posts/2022-11-21-grafana-datasource-plugin-column-name-bug/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2022-10-15-grpc-with-consol/ title=consul做grpc服务注册和服务发现>consul做grpc服务注册和服务发现</a></h1><aside><ul><li><time class=post-date datetime=2022-10-15T22:00:00+08:00>Oct 15, 2022</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/%E7%B3%BB%E7%BB%9F%E8%AE%BE%E8%AE%A1>系统设计</a>
,
<a href=https://sunpe.github.io/categories/golang>golang</a>
,
<a href=https://sunpe.github.io/categories/java>java</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/grpc>#grpc</a></em></li><li>2 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2022-10-15-grpc-with-consol/ title=consul做grpc服务注册和服务发现><img src></a></div><p>分布式服务通常有多个实例，按负载均衡在服务端侧或客户端侧可以将服务的负载均衡分为服务端负载均衡和客户端负载均衡。</p><a href=https://sunpe.github.io/posts/2022-10-15-grpc-with-consol/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2022-07-20-gin-open-pprof/ title="Gin 开启pprof">Gin 开启pprof</a></h1><aside><ul><li><time class=post-date datetime=2022-07-20T22:00:00+08:00>Jul 20, 2022</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/golang>golang</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/golang>#golang</a></em></li><li>One minute read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2022-07-20-gin-open-pprof/ title="Gin 开启pprof"><img src></a></div><p>在 gin 中开启pprof代码示例：</p><a href=https://sunpe.github.io/posts/2022-07-20-gin-open-pprof/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2021-11-24-golang-map/ title="golang map">golang map</a></h1><aside><ul><li><time class=post-date datetime=2021-11-24T22:00:00+08:00>Nov 24, 2021</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/golang>golang</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/golang>#golang</a></em></li><li>4 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2021-11-24-golang-map/ title="golang map"><img src></a></div><p></p><a href=https://sunpe.github.io/posts/2021-11-24-golang-map/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2021-08-17-golang-gzip-troubleshooting/ title="golang gzip 使用过程中问题排查">golang gzip 使用过程中问题排查</a></h1><aside><ul><li><time class=post-date datetime=2021-08-17T22:00:00+08:00>Aug 17, 2021</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/golang>golang</a>
,
<a href=https://sunpe.github.io/categories/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>问题排查</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/golang>#golang</a>
,
<a href=https://sunpe.github.io/tags/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>#问题排查</a></em></li><li>3 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2021-08-17-golang-gzip-troubleshooting/ title="golang gzip 使用过程中问题排查"><img src></a></div><p>在使用 golang 的 gzip 包压缩数据时发现一个坑，出问题的代码如下：</p><a href=https://sunpe.github.io/posts/2021-08-17-golang-gzip-troubleshooting/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2021-07-01-spark-context/ title="spark 3.1.2 context异常关闭问题排查">spark 3.1.2 context异常关闭问题排查</a></h1><aside><ul><li><time class=post-date datetime=2021-07-01T22:00:00+08:00>Jul 1, 2021</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/%E5%A4%A7%E6%95%B0%E6%8D%AE>大数据</a>
,
<a href=https://sunpe.github.io/categories/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>问题排查</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/%E5%A4%A7%E6%95%B0%E6%8D%AE>#大数据</a>
,
<a href=https://sunpe.github.io/tags/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5>#问题排查</a></em></li><li>5 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2021-07-01-spark-context/ title="spark 3.1.2 context异常关闭问题排查"><img src></a></div><p>前段时间，基于spark和spring boot开发了一个web服务，将 spark session 注册为spring的bean，代码如下所示。</p><a href=https://sunpe.github.io/posts/2021-07-01-spark-context/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2021-03-12-tcp/ title=TCP协议详解>TCP协议详解</a></h1><aside><ul><li><time class=post-date datetime=2021-03-12T22:00:00+08:00>Mar 12, 2021</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86>基础知识</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86>#基础知识</a></em></li><li>7 minutes read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2021-03-12-tcp/ title=TCP协议详解><img src></a></div><p>TCP协议 TCP 协议是 TCP/IP 体系中非常复杂的一个协议，下面介绍 TCP 的主要特点：</p><a href=https://sunpe.github.io/posts/2021-03-12-tcp/>Read more…</a></li><li><h1><a href=https://sunpe.github.io/posts/2021-02-16-forbidden-city/ title=大年初五--北京故宫>大年初五--北京故宫</a></h1><aside><ul><li><time class=post-date datetime=2021-02-16T22:00:00+08:00>Feb 16, 2021</time></li><li>Categories:
<em><a href=https://sunpe.github.io/categories/%E6%B8%B8%E8%AE%B0>游记</a></em></li><li>Tags:
<em><a href=https://sunpe.github.io/tags/%E6%B8%B8%E8%AE%B0>#游记</a></em></li><li>One minute read</li></ul></aside><div class=featured_image><a href=https://sunpe.github.io/posts/2021-02-16-forbidden-city/ title=大年初五--北京故宫><img src></a></div><p>故宫博物院又叫「紫禁城」，是明清两代的皇宫，总共有 24 位皇帝居住过，始建于永乐四年（1406 年），建成于永乐十八年（1420 年），占地面积 72 万平方米。</p><a href=https://sunpe.github.io/posts/2021-02-16-forbidden-city/>Read more…</a></li></ul></section><ul class="pagination pagination-default"><li class="page-item disabled"><a aria-disabled=true aria-label=First class=page-link role=button tabindex=-1><span aria-hidden=true>««</span></a></li><li class="page-item disabled"><a aria-disabled=true aria-label=Previous class=page-link role=button tabindex=-1><span aria-hidden=true>«</span></a></li><li class="page-item active"><a aria-current=page aria-label="Page 1" class=page-link role=button>1</a></li><li class=page-item><a href=https://sunpe.github.io/page/2/ aria-label="Page 2" class=page-link role=button>2</a></li><li class=page-item><a href=https://sunpe.github.io/page/3/ aria-label="Page 3" class=page-link role=button>3</a></li><li class=page-item><a href=https://sunpe.github.io/page/2/ aria-label=Next class=page-link role=button><span aria-hidden=true>»</span></a></li><li class=page-item><a href=https://sunpe.github.io/page/3/ aria-label=Last class=page-link role=button><span aria-hidden=true>»»</span></a></li></ul></main><footer><ul><li><h6>Copyright © 2022 - sunpeng |
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