A blog post explaining nature of the current Amazon AWS outage. The deal is that several so-called availability zones (AZ) failed simultaneously in amazon US-EAST region, even though amazon’s FAQ describe such event to be unlikely. Many interestin…
Posted in amazon, architecture, aws, cloud, cloudcomputing, ec2, hosting, outage | Comments Off | permalink
Facebook has build custom web-app testing framework to test server performance. Read it, especially the section on why “standard” SPECxxx benchmarks are not a good measure of anything. Also, ready about performance-per-watt, as this is really import…
Posted in architecture, benchmark, datacenter, facebook, intel, performance, server, spec, testing | Comments Off | permalink
Notes about schema used by StackOverflow.com and related websites. It is very simple, only several tables used. (most likely because there are performance problems with joins)
Posted in architecture, database, databases, dba, design, mssql, schema, sql, stackoverflow | Comments Off | permalink
a draft of the book “Scalability and Availability Aspects” by Walter Kriha. Many up-to-date info on theory and practice of building scalable high-loaded web/internet systems
Posted in architecture, books, high_load, performance, scalability | Comments Off | permalink
Example specs from Joel / copilot /
Posted in architecture, copilot, design, development, joel, pdf, programming, project, software, spec, specification, system:filetype:pdf, system:media:document | Comments Off | permalink
detailed notes about skype outage on DEC-23/24 2010
Posted in architecture, outage, p2p, skype | Comments Off | permalink
[ENG] http://translate.google.com/translate?u=http%3A%2F%2Fwww.insight-it.ru%2Fmasshtabiruemost%2Farkhitektura-vkontakte%2F&sl=ru&tl=en&hl=&ie=UTF-8
some info about internals of vkontakte.ru – russian facebook clone, most popular soci…
Posted in architecture, development, highload, mysql, performance, scalability | Comments Off | permalink
An article from a well-known PostgreSQL developer comparing MySQL InnoDB and PostgreSQL table structures
Posted in architecture, article, comparison, database, dba, internals, mysql, postgresql, storage | Comments Off | permalink
a lot of interesting details about using flash drives as cache and high-perf block io devices (notes from google talk given at UCSD)
Posted in architecture, cache, cs, disk, flah, hardware, high_load, Linux, performance, storage | Comments Off | permalink
An excellent [attempt of ] description of the GSM cell phones hardware, design, architecture and implementation
Posted in architecture, engineering, for:collidr, gsm, hardware, mobile, phone, programming, protocol, reference, reverse | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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