- https://dancres.github.io/Pages/
- https://ferd.ca/a-distributed-systems-reading-list.html
- http://the-paper-trail.org/blog/distributed-systems-theory-for-the-distributed-systems-engineer/
- https://github.com/palvaro/CMPS290S-Winter16/blob/master/readings.md
- http://muratbuffalo.blogspot.com/2015/12/my-distributed-systems-seminars-reading.html
- http://christophermeiklejohn.com/distributed/systems/2013/07/12/readings-in-distributed-systems.html
- http://michaelrbernste.in/2013/11/06/distributed-systems-archaeology-works-cited.html
- http://rxin.github.io/db-readings/
- http://research.microsoft.com/en-us/um/people/lamport/pubs/pubs.html
- http://pdos.csail.mit.edu/dsrg/papers/
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package com.pillartechnology.mail; | |
import java.util.Date; | |
public class Email { | |
private String domain; | |
private String user; | |
private String body; |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
- Related Setup: https://gist.github.com/hofmannsven/6814278
- Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/
- Interactive Beginners Tutorial: http://try.github.io/
- Git Cheatsheet by GitHub: https://services.github.com/on-demand/downloads/github-git-cheat-sheet/
Press minus + shift + s
and return
to chop/fold long lines!
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the\
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
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Below are the Big O performance of common functions of different Java Collections. | |
List | Add | Remove | Get | Contains | Next | Data Structure | |
---------------------|------|--------|------|----------|------|--------------- | |
ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array | |
LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List | |
CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array |
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[supervisord] | |
nodaemon=true | |
loglevel=debug | |
[program:amon] | |
command=gunicorn -c gunicorn.conf.py wsgi | |
directory=/amon | |
autostart=true | |
autorestart=true | |
redirect_stderr=true |
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$> brew cask install java | |
$> brew install kafka | |
$> vim ~/bin/kafka | |
# ~/bin/kafka | |
#!/bin/bash | |
zkServer start | |
kafka-server-start.sh /usr/local/etc/kafka/server.properties |
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