You are given several logs that each log contains a unique id and timestamp. Timestamp is a string that has the following format: Year:Month:Day:Hour:Minute:Second, for example, 2017:01:01:23:59:59. All domains are zero-padded decimal numbers. Design…

原题链接在这里:https://leetcode.com/problems/design-log-storage-system/description/ 题目: You are given several logs that each log contains a unique id and timestamp. Timestamp is a string that has the following format: Year:Month:Day:Hour:Minute:Second, for…

You are given several logs that each log contains a unique id and timestamp. Timestamp is a string that has the following format: Year:Month:Day:Hour:Minute:Second, for example, 2017:01:01:23:59:59. All domains are zero-padded decimal numbers. Design…

You are given several logs that each log contains a unique id and timestamp. Timestamp is a string that has the following format: Year:Month:Day:Hour:Minute:Second, for example, 2017:01:01:23:59:59. All domains are zero-padded decimal numbers. Design…

https://static.googleusercontent.com/media/research.google.com/en//archive/bigtable-osdi06.pdf Abstract Bigtable is a distributed storage system for managing structured data that is designed to scale to a very large size: petabytes of data across tho…

I researched a lot about storage system classes given at good universities this year. This had two reasons: The first was thispost of a researcher at NetApp, about the missing of a good storage or file system class book and secondly our own storage s…

不多说,直接上干货! 一切来源于官网 http://kafka.apache.org/documentation/ Kafka as a Storage System kafka作为一个存储系统 Any message queue that allows publishing messages decoupled from consuming them is effectively acting as a storage system for the in-flight messages. Wh…

作者:Muneeb Ali, Jude Nelson, Ryan Shea, and Michael Freedman Blockstack Labs and Princeton University (USENIX ATC 16) 1. Motivation 当我们想要访问facebook的个人数据的时候,我们通常会在浏览器下输入facebook的域名,这个时候我们会首先访问DNS服务器,将域名转化为ip,然后再去访问facebook服务器所在的ip地址,在这个过程中,域名的管理机构比如ver…

Facebook在OSDI 2014上发表论文f4: Facebook's Warm BLOB Storage System,这个系统主要目的就是降低存储成本,在容忍磁盘,主机,机架,数据中心的同时提供2.1倍的存储因子(用户存储的1bit数据实际上占用磁盘2.1bit空间).本文只讨论f4系统的核心Erasure Code部分,如何降低存储因子. Facebook热的blob数据依然存在Haystack中,访问不那么频繁的数据(Warm)放入存储系统f4中.Haystack存储blob的思路就…

2006 年10 月Google 发布三架马车之一的<Bigtable:A Distributed Storage System for Strctured Data>论文之后,Powerset 公司就宣布 HBase 在 Hadoop 项目中成立,作为子项目存在.后来,在2010 年左右逐渐成为 Apache 旗下的一个顶级项目.可能是实际应用中包装得太好,很多人对于 HBase 的认识止步于 NoSQL .今天,蚂蚁金服的南俊从基础开始讲起,希望有助于增强大家在实际业务中对 HBase 的…