{"id":159508,"date":"2010-05-01T00:00:00","date_gmt":"2010-05-01T00:00:00","guid":{"rendered":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/msr-research-item\/does-erasure-coding-have-a-role-to-play-in-my-data-center\/"},"modified":"2018-10-16T20:03:22","modified_gmt":"2018-10-17T03:03:22","slug":"does-erasure-coding-have-a-role-to-play-in-my-data-center","status":"publish","type":"msr-research-item","link":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/publication\/does-erasure-coding-have-a-role-to-play-in-my-data-center\/","title":{"rendered":"Does erasure coding have a role to play in my data center?"},"content":{"rendered":"<div class=\"asset-content\">\n<p>Today replication has become the de facto standard for storing data within and across data centers that process data-intensive workloads. Erasure coding (a form of software RAID), although heavily researched and theoretically more space efficient than replication, has complex tradeoffs which are not well-understood by practitioners. Today&#8217;s data centers have diverse foreground and background data-intensive workloads, and getting these tradeoffs right is becoming increasingly important. Through a series of realistic data center deployment scenarios and workload characteristics, coupled with the implementation of a prototype Hadoop library with erasure coding functionalities, we revisit traditional metrics (performance and dollar cost), present new tradeoffs (power proportionality and complexity) and make recommendations on directions worth researching.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today replication has become the de facto standard for storing data within and across data centers that process data-intensive workloads. Erasure coding (a form of software RAID), although heavily researched and theoretically more space efficient than replication, has complex tradeoffs which are not well-understood by practitioners. Today&#8217;s data centers have diverse foreground and background data-intensive [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"Microsoft 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