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This document discusses building fault-tolerant applications in the cloud using Amazon Web Services (AWS). It outlines that AWS provides many inherently fault-tolerant services like S3, DynamoDB, and Route53 that can be used as building blocks. It also discusses design patterns for fault tolerance like using multiple availability zones, elastic load balancing, auto-scaling, and loose coupling betw
Pinterest has been riding an exponential growth curve, doubling every month and half. Theyâve gone from 0 to 10s of billions of page views a month in two years, from 2 founders and one engineer to over 40 engineers, from one little MySQL server to 180 Web Engines, 240 API Engines, 88 MySQL DBs (cc2.8xlarge) + 1 slave each, 110 Redis Instances, and 200 Memcache Instances. Stunning growth. So whatâs
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Scalability is one of the main drivers of the NoSQL movement. As such, it encompasses distributed system coordination, failover, resource management and many other capabilities. It sounds like a big umbrella, and it is. Although it can hardly be said that NoSQL movement brought fundamentally new techniques into distributed data processing, it triggered an avalanche of practical studies and real-li
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NoSQLãã¼ã¿ã¢ããªã³ã°ææ³.markdown #NoSQLãã¼ã¿ã¢ããªã³ã°ææ³ åæï¼NoSQL Data Modeling Techniques « Highly Scalable Blog I translated this article for study. contact matope[dot]ono[gmail] if any problem. NoSQLãã¼ã¿ãã¼ã¹ã¯ã¹ã±ã¼ã©ããªãã£ãããã©ã¼ãã³ã¹ãä¸è²«æ§ã¨ãã£ãæ§ã ãªéæ©è½è¦ä»¶ããæ¯è¼ããããNoSQLã®ãã®å´é¢ã¯å®è·µã¨çè«ã®ä¸¡é¢ããããç 究ããã¦ããããã種ã®éæ©è½ç¹æ§ã¯NoSQLãå©ç¨ãã主ãªåæ©ã§ãããNoSQLã·ã¹ãã ã«ããé©ç¨ãããCAPå®çãããã§ããããã«åæ£ã·ã¹ãã ã®åºæ¬çååã ããã ãä¸æ¹ã§ãNoSQLãã¼ã¿ã¢ããªã³ã°ã¯ãã¾ãç 究ããã¦ãããããªã¬ã¼ã·ã§ãã«ãã¼ã¿ãã¼ã¹ã«è¦ããããããªã·ã¹ãããã£ãã¯
What Powers Instagram: Hundreds of Instances, Dozens of Technologies One of the questions we always get asked at meet-ups and conversations with other engineers is, âwhatâs your stack?â We thought it would be fun to give a sense of all the systems that power Instagram, at a high-level; you can look forward to more in-depth descriptions of some of these systems in the future. This is how our system
LinkedIn uses DataBus to replicate data changes from Oracle in real-time. DataBus consists of relay and bootstrap services that capture changes from Oracle and distribute them to various services like search indexes, graphs, and read replicas to keep them updated in real-time. This allows users to immediately see profile updates or new connections in search results and feeds.Read less
This post takes a look at the speed - latency and throughput - of various subsystems in a modern commodity PC, an Intel Core 2 Duo at 3.0GHz. I hope to give a feel for the relative speed of each component and a cheatsheet for back-of-the-envelope performance calculations. I've tried to show real-world throughputs (the sources are posted as a comment) rather than theoretical maximums. Time units ar
With over 15 billion page views a month Tumblr has become an insanely popular blogging platform. Users may like Tumblr for its simplicity, its beauty, its strong focus on user experience, or its friendly and engaged community, but like it they do. Growing at over 30% a month has not been without challenges. Some reliability problems among them. It helps to realize that Tumblr operates at surprisin
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Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
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For most Architects, "Scale" is the most elusive aspect of software architecture. Not surprisingly, it is also one of the most sought-after goals of today's software design. However, computer scientists do not yet know of a single architecture that can scale for all scenarios. Instead, we design scalable architectures case by case, composing known scalable patterns together and trusting our instin
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