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DBAs: The 5 key skills you will need in the cloud
Like many organizations, yours is likely under pressure to reduce costs and resources, while increasing storage capacity and compute power. In response, many are making the leap to thecloud or at...
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Webinar Wednesday February 22, 2017: Percona Server for MongoDB 3.4 Product...
Join Percona’s MongoDB Practice Manager David Murphy on Wednesday, February 22, 2017 at 10:00 am PST / 1:00 pm EST (UTC-8) as he reviews and discusses the Percona Server for MongoDB, Percona...
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将持久数据从Redis中迁出
前言 Redis 是一个开源、支持网络、基于内存、键值对存储数据库，使用ANSI C编写。从2015年6月开始，Redis 的开发 由Redis Labs赞助 ，在 2013年5月至2015年6月期间，其开发由Pivotal赞助。在2013年5月之前，其开发 由VMware赞助 。根据月度排行 网站DB-Engines.com的数据 显示，Redis是最流行的键值对存储数据库。...
View ArticleRedis 集群高可用
Redis作为主流nosql，想必在使用场景中都会涉及到集群和高可用的问题，下面就简单来介绍一下吧。 持久化 Redis有两种持久化的方式： RDB 和 AOF RDB - 快照 通过预设频率write on copy来持久化数据（所以内存不宜设置超过物理内存的50%，否则会内存不足引发IO等待，使redis访问速度骤减），占用空间小，恢复速度快，适用于灾难恢复，但是宕机会丢失数据。 AOF -...
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Monitoring slow Mongo queries
Tuesday, Feb 21st, 2017 Mixmax is a communications platform that brings email into the 21st century. We believe everything you do today on the web should be possible in any email. Here at Mixmax it’s...
View ArticleShmooCon 2017 talks
The videos in this collection are from ShmooCon 2017, which occurred on 13-15 January 2017, at the Washington Hilton Hotel. Friday - 13 January 2017 Talks (One Track Mind): Opening Remarks, Rumblings,...
View ArticleThe New Coin of the Realm Data as Market Currency for Our Customers
Last week we announced fourth quarter and full year 2016 results. Take a look at Rob Bearden’s previous 2016 Year in Review post for more from our CEO on all the great ecosystem, product and business...
View ArticleLatest Impala Cookbook
Over the past year (and through several releases), Apache Impala (incubating) has added numerous new features and performance enhancements better enabling high-performance SQL analytics over big data....
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How Yahoo’s Internal Hadoop Cluster Does Double-Duty on Deep Learning
Five years ago, many bleeding edge IT shops had either implemented a Hadoop cluster for production use or at least had a cluster set aside to explore the mysteries of MapReduce and the HDFS storage...
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学习笔记-Redis设计与实现-事件
Redis 服务器是一个事件驱动程序，服务器需要处理以下两类事件： 文件事件 ( file event ) ： Redis 服务器通过套接字与客户端 ( 或者其他 Redis 服务器 ) 进行连接，而文件事件就是服务器对套接字操作的抽象。 时间事件（time event...
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利用redis漏洞远程添加计划任务挖取比特币
周日看到值班人员在群里发几台服务器CPU负载高告警。没在意。周一下午查看nagios 发现服务器的负载依旧很高。赶紧查看进程 看到第二张图的时候。想必大家明白了。又是挖矿软件。记得之前曝光过是一款叫minerd的挖矿程序。这玩意。 结束掉进程肯定是不够的。必然有相应的守护进程或者计划任务。查看了crontab。果然，...
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Redis加载数据逻辑源码分析
ACMUG征集原创技术文章。详情请添加 A_CMUG或者扫描文末二维码关注我们的微信公众号。有奖征稿，请发送稿件至：acmug@acmug.com。 3306现金有奖征稿说明： 知识无价，劳动有偿，ACMUG特约撰稿人有奖回报计划（修订版） 作者简介： 顾伟涛 曾经任职于百度，奇虎360从事DBA运维工作，目前为杭州铭师堂教育资深DBA，负责mysql、redis和mongodb数据库运维...
View ArticleStore config in the environment
One of the most important 12 Factor Application principles is dictating how your configuration should be declared and passed to your application. If you’re using a database instance, the location and...
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浅析Redis存储数据时格式的设计
之前接触的一个业务，数据量的话现在在数据库中存了有将近400W的数据，在搜索的时候得到的这些数据会放入达到异步队列中，然后单独开一个线程来进行双写，写缓存，然后写数据库。Redis中的存储格式是Hash存储的，数据库的存储格式类似Hash，当时设计存储方式的时候是有些问题的，在Redis中存储的时候，数据库中有多少条数据，Redis中就会有多少个Key值。也就是说Redis中存储的一级Key有400...
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SlamData raises $6.7 million to provide business analytics for non-relational...
SlamData , which provides a business intelligence (BI) tool for enterprises, announced today a funding round of $6.7 million. The Boulder, Colorado-based startup helpscustomers get more out of NoSQL...
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Graphs, GraphDBs and JavaScript + Exploring Trumpworld | @RisingStack
In this article, we're going to take an in-depth look at Graph Databases and we're going to use the world's most popular graph database for a fun, data-driven investigation of Donald Trump's various...
View ArticleIRB 中操作 MongoDB
又在 Coursera 里面选了门课坑自己 最近又学了很多东西，其中记不住的做笔记记下来，这篇文章是为 Ruby on Rails 运用 MongoDB 做准备。 基础命令 Mac 下安装 MongoDB 可以参考 Mac下使用brew安装mongodb 。 启动数据库 % mongod 进入命令行模式 % mongo 导入 MongoDB 提供的示例数据 示例数据下载 在 json...
View ArticleBecome a highly paid certified data analyst with this Big Data and Hadoop...
Any businesses serious about nailing their growth objectives are constantly searching for the best data whizzes to join their teams. There are countless strategic insights hidden in all those numbers...
View ArticleDatascape Podcast Episode 1 Discussing the Future of the DBA Career
For much of my career as a DBA, I spent a lot of time working on issues that technology and software are eliminating. Issues like space management, performance management, building new systems and...
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March 2017 DBA Things blogging contest
DBA Things Team believes in bringing something new all the time. We had set the trend of “Free SQL server training” with in our community, our “March towards SQL Server : SQL Server interview question...
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