nvartolomei

Internet Scale Services Checklist

A checklist for designing and developing internet scale services, inspired by James Hamilton's 2007 paper "On Desgining and Deploying Internet-Scale Services."

• http://mvdirona.com/jrh/talksandpapers/jamesrh_lisa.pdf

Basic tenets

• Does the design expect failures to happen regularly and handle them gracefully?
• Have we kept things as simple as possible?

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Keybase proof

I hereby claim:

• I am nvartolomei on github.
• I am nvartolomei (https://keybase.io/nvartolomei) on keybase.
• I have a public key whose fingerprint is 3B0E 19E2 CD52 3E5F 7B3A 8FD6 843F 0F7C DC4A 1ADE

To claim this, I am signing this object:

nvartolomei

Title

<Additional information about your API call. Try to use verbs that match both request type (fetching vs modifying) and plurality (one vs multiple).>

• URL

  <The URL Structure (path only, no root url)>

• Method:

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The Case For Go

• Iron.io: How We Went from 30 Servers to 2 with Go
• Go at Google: Language Design in the Service of Software Engineering
• Behind the Scenes: Big Data at Torbit
• pool.ntp.org DNS server in Go
• Juju at Canonical
• Go at bitly
• NSQ: realtime distributed message processing at scale

nvartolomei

#System Design Interview Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

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node_modules/**/*.node
node_modules/**/*.o
node_modules/**/*.a
node_modules/**/*.mk
node_modules/**/*.gypi
node_modules/**/*.target
node_modules/**/.deps/
node_modules/**/build/Makefile
node_modules/**/**/build/Makefile

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The glory of the disconnect key sequence: a newline followed by ~.. It works like a charm.

nvartolomei

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Scaling Twitter: Making Twitter 10000 Percent Faster
• Scaling Twitter
• Blaine Cook on Scaling Twitter - YouTube

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Frontend Development

Attention: if you attempt to fork this gist, github will think that you are a spammer and you will have to confirm that you are human with them. Apparantly there are too many links in this list. Also I update it rather frequently (see revisions on the left), so it's probably wise to not fork it anyway.

• Guides
  • Hack Design
  • Designer School
  • TheExpressiveWeb
  • Talks To Help You Become A Better Front-End Engineer In 2013
• Web Development Teaching Materials

nvartolomei

int is_urlschemechar(int first_flag, int ch)
{
    /*
	 * The set of valid URL schemes, as per STD66 (RFC3986) is
	 * '[A-Za-z][A-Za-z0-9+.-]*'. But use sightly looser check
	 * of '[A-Za-z0-9][A-Za-z0-9+.-]*' because earlier version
	 * of check used '[A-Za-z0-9]+' so not to break any remote
	 * helpers.
	 */
	int alphanumeric, special;