<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/congxia1948</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; congxia1948]]></copyright><item><title><![CDATA[告别“纷纷扰扰”—小米OLAP服务架构演进]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374587</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374587</guid><author>congxia1948</author><pubDate>Thu, 29 Aug 2019 16:50:09 +0800</pubDate><description><![CDATA[背景



&gt;&gt;&gt;&gt;

What’s OLAP?
如果你是一名数据分析...]]></description><category></category></item><item><title><![CDATA[HBaseCon Asia 2019 Track 3 概要回顾]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374591</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374591</guid><author>congxia1948</author><pubDate>Wed, 31 Jul 2019 09:10:25 +0800</pubDate><description><![CDATA[Track 3：Application













Track3是关于HBase应用的分享，来自腾讯、快手、滴滴、Pinterest、中国移动、中国人寿等多家公司...]]></description><category></category></item><item><title><![CDATA[HBaseCon Asia 2019 Track 1 概要回顾]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374592</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374592</guid><author>congxia1948</author><pubDate>Thu, 25 Jul 2019 17:03:06 +0800</pubDate><description><![CDATA[HBaseCon 没来参加怎么办？





三个Track没法同时听，分身乏术怎么办？





没关系~！“小米云技术”将用三期时间带你回顾





全部精华~！



...]]></description><category></category></item><item><title><![CDATA[HBaseCon Asia 2019 Track 2 概要回顾]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374636</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374636</guid><author>congxia1948</author><pubDate>Wed, 24 Jul 2019 10:43:34 +0800</pubDate><description><![CDATA[HBaseCon 没来参加怎么办？


三个Track没法同时听，分身乏术怎么办？



没关系~！“小米云技术”将用三期时间带你回顾



全部精华~！


Track 2：Ecology ...]]></description><category></category></item><item><title><![CDATA[Docker容器实现原理及容器隔离性踩坑介绍]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374590</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374590</guid><author>congxia1948</author><pubDate>Tue, 16 Jul 2019 17:07:13 +0800</pubDate><description><![CDATA[正如Docker官方的口号：“Build once,Run anywhere,Configure once,...]]></description><category></category></item><item><title><![CDATA[HDFS Router-based Federation]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374588</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374588</guid><author>congxia1948</author><pubDate>Thu, 11 Jul 2019 18:44:29 +0800</pubDate><description><![CDATA[Abstract


















Hadoop 社区为了解决 HDFS 横向扩展的问题，早前的版本中实现了基于 ViewFs 的 ...]]></description><category></category></item><item><title><![CDATA[Docker最佳实践：5个方法精简镜像]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374652</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374652</guid><author>congxia1948</author><pubDate>Thu, 04 Jul 2019 18:08:25 +0800</pubDate><description><![CDATA[本文记录了精简Docker镜像尺寸的必要性及好处精简Docker镜像的好处很多，不仅可以节省存储空间和带宽，还能减少安全隐患。优化镜像大小的手段多种多样，因服务所使用的基础开发语言不同而有差异。本文将介绍精简Docker镜像的几...]]></description><category></category></item><item><title><![CDATA[HBase Replication详解]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374581</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374581</guid><author>congxia1948</author><pubDate>Tue, 25 Jun 2019 17:33:42 +0800</pubDate><description><![CDATA[本文从全局出发，详细讲解了HBase的Replication和Replication Endpoint的用法及实践。往期文章回顾：一文读懂HBase多租户Replication：复制，指的是持续的将同一份数据拷贝到多个地方进行存...]]></description><category></category></item><item><title><![CDATA[Kubernetes监控在小米的落地]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374585</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374585</guid><author>congxia1948</author><pubDate>Thu, 13 Jun 2019 17:35:47 +0800</pubDate><description><![CDATA[本文介绍了高可用、持久存储、可动态调整的Kubernetes监控方案的实现过程。小米的弹性调度平台（Ocean）以及容器平台主要基于开源容器自动化管理平台kubernetes（简称k8s）来提供服务，完善的监控系统提高容器服务的...]]></description><category></category></item><item><title><![CDATA[一文读懂HBase多租户]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374631</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374631</guid><author>congxia1948</author><pubDate>Thu, 06 Jun 2019 17:14:09 +0800</pubDate><description><![CDATA[本文从三个方面介绍了HBase的多租户实现。上篇文章回顾：HDFS短路读详解多租户(multi-tenancy technology)，参考维基百科定义，它是在探讨与实现如何于多用户的环境下共享相同的系统或程序，并且仍可确保各用...]]></description><category></category></item><item><title><![CDATA[HDFS短路读详解]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374621</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374621</guid><author>congxia1948</author><pubDate>Tue, 04 Jun 2019 17:18:39 +0800</pubDate><description><![CDATA[本文介绍了HDFS的短路读演进、安全的短路读以及小米在安全短路读的优化。背景Hadoop的一个重要思想就是移动计算，而不是移动数据。我们更愿意尽可能将计算移动到数据所在节点。因此，HDFS中经常出现客户端和数据在一个节点上，当客...]]></description><category></category></item><item><title><![CDATA[HDFS Decommission问题分析]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374586</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374586</guid><author>congxia1948</author><pubDate>Thu, 30 May 2019 17:22:48 +0800</pubDate><description><![CDATA[本文通过更改配置及数据结构改造，快速解决HDFS Decommission缓慢问题。背景c3prc-xiami有大量raid单副本文件，decommission单个datanode速度很慢，观察监控指标，发现：网卡流量始终保持低...]]></description><category></category></item><item><title><![CDATA[浅谈Docker的安全性支持（下篇）]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374646</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374646</guid><author>congxia1948</author><pubDate>Tue, 28 May 2019 17:27:30 +0800</pubDate><description><![CDATA[前面我们为大家介绍了Docker支持容器root用户的 Capability 能力限制、镜像签名、Apparmor的MAC访问控制、使用Seccomp限制系统调用等安全性支持，这篇文章我们会为大家介绍Docker其他安全性特性支...]]></description><category></category></item><item><title><![CDATA[浅谈Docker的安全性支持（上篇）]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374640</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374640</guid><author>congxia1948</author><pubDate>Thu, 16 May 2019 18:11:03 +0800</pubDate><description><![CDATA[Docker作为最重视安全的容器技术之一，在很多方面都提供了强安全性的默认配置，其中包括：容器root用户的 Capability 能力限制、Seccomp系统调用过滤、Apparmor的 MAC 访问控制、ulimit限制、p...]]></description><category></category></item><item><title><![CDATA[从HBase offheap到Netty的内存管理]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374584</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374584</guid><author>congxia1948</author><pubDate>Tue, 30 Apr 2019 17:12:08 +0800</pubDate><description><![CDATA[本文主要介绍了Netty的内存管理和性能。HBase的offheap现状HBase作为一款流行的分布式NoSQL数据库，被各个公司大量应用，其中有很多业务场景，例如信息流和广告业务，对访问的吞吐和延迟要求都非常高。HBase2....]]></description><category></category></item><item><title><![CDATA[浅谈动态追踪技术]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374571</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374571</guid><author>congxia1948</author><pubDate>Thu, 18 Apr 2019 17:19:30 +0800</pubDate><description><![CDATA[本文主要介绍了动态追踪技术，并举例说明动态追踪技术的应用。身为一个SRE，工作中经常会遇到各种奇奇怪怪的服务异常问题。这些问题在staging（测试环境）没有发现，但放到真实的生产环境就会碰到，最关键的是难以复现，某些问题可能是...]]></description><category></category></item><item><title><![CDATA[论萌新开发与大佬开发的不同？]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374569</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374569</guid><author>congxia1948</author><pubDate>Thu, 11 Apr 2019 17:23:53 +0800</pubDate><description><![CDATA[本文主要为大家介绍初级开发与高级开发人员的不同之处。往期回顾：MacPorts打包过程简介每个开发大佬都有身为萌新的青葱岁月在还是开发萌新时，他们就坚定信念，不断磨练编码技术，最终成长为开发大佬。对于他们来讲，不断学习新的编码知...]]></description><category></category></item><item><title><![CDATA[记一次容量提升5倍的HttpDns业务Cache调优]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374574</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374574</guid><author>congxia1948</author><pubDate>Tue, 26 Mar 2019 17:45:11 +0800</pubDate><description><![CDATA[本文主要介绍了HttpDns业务Cache调优的相关问题及解决办法。这是最近做的一次业务优化，以一个小方案的形式分享一下优化过程。业务简介公司内部叫Resolver服务，其本质是一个httpdns系统，以http形式提供域名解析...]]></description><category></category></item><item><title><![CDATA[浅谈SYNPROXY]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374629</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374629</guid><author>congxia1948</author><pubDate>Thu, 21 Mar 2019 17:47:16 +0800</pubDate><description><![CDATA[本文主要介绍了SYNPROXY的相关原理、DDoS简述、LVS相关应用等内容。上篇文章回顾：容器进程Core Dump处理SYNPROXY简述SYNPROXY是防御DDoS攻击的有力手段。SYNPROXY是一个TCP握手代理，原...]]></description><category></category></item><item><title><![CDATA[容器进程Core Dump处理]]></title><link>https://blog.youkuaiyun.com/congxia1948/article/details/100374567</link><guid>https://blog.youkuaiyun.com/congxia1948/article/details/100374567</guid><author>congxia1948</author><pubDate>Thu, 07 Mar 2019 19:37:45 +0800</pubDate><description><![CDATA[本文主要介绍了Core Dump实现容器进程的方法和相关内容。上篇文章回顾：IPv6入门教程引子在我们调试程序时经常会使用到Core Dump（https://en.wikipedia.org/wiki/Core_dump）功能...]]></description><category></category></item></channel></rss>