Distributed Computing with JavaScript
Presented by Dan Silvestru and Gord Tanner
bithound.io / @bithoundio
computering is hard!
Who are we?
bithound.io
- Dan Silivestru (@confusement)
- Gord Tanner (@gordtanner)
Lasers!
What do we do?
We help you build and deliver the best quality software, every single day!
Problem:
> time jshint .
---------------------
(lots of errors here)
---------------------
7368 errors
real 0m29.321s
user 0m28.627s
sys 0m0.508s
- Do this for 1K+ commits in a project
- There are many more things to look at
Waiting sucks
but....
cluster
To the Cloud!
ØMQ looks like an embeddable networking library but acts like a concurrency framework.
.------------. .--------------.
| | | |
| TCP socket +------->| | ZAP!
| | BOOM! | 0MQ socket |
'------------' | | POW!!
^ ^ ^ | |
| | | '--------------'
| | |
| | |
| | '--------- Spandex
| |
| '-------------- Cosmic rays
Illegal radioisotopes from
secret Soviet atomic city
Sockets that carry atomic messages across various transports like:
- in-process
- inter-process (shared memory)
- TCP
- multicast
You can connect sockets N-to-N with patterns like
- fan-out, fan-in
- publish-subscribe
- task distribution
- request-reply
#------------#
| Client |
+------------+
| REQ |
'---+--------'
| ^
| |
Hello | | World
| |
v |
.--------+---.
| REP |
+------------+
| Server |
#------------#
#-------------#
| Publisher |
+-------------+
| PUB |
'-------------'
bind
|
|
updates
|
.---------------+---------------.
| | |
updates updates updates
| | |
| | |
v v v
connect connect connect
.------------. .------------. .------------.
| SUB | | SUB | | SUB |
+------------+ +------------+ +------------+
| Subscriber | | Subscriber | | Subscriber |
#------------# #------------# #------------#
#-------------#
| Ventilator |
+-------------+
| PUSH |
'------+------'
|
tasks
|
.------------+-------------.
| | |
v v v
.----------. .----------. .----------.
| PULL | | PULL | | PULL |
+----------+ +----------+ +----------+
| Worker | | Worker | | Worker |
+----------+ +----------+ +----------+
| PUSH | | PUSH | | PUSH |
'----+-----' '----+-----' '----+-----'
| | |
'------------+-------------'
|
results
|
v
.-------------.
| PULL |
+-------------+
| Sink |
#-------------#
Codez
Her: "How many letters are in 10?"
Me: "three, why?"
ten has 3 letters
three has 5 letters
five has 4 letters
four has 4 letters
that works
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
If you do have zmq installed ...
http://zeromq.org/intro:get-the-software
May the fours be with you
npm install fourism
http://github.com/gtanner/fourism
Thank you!
bithound.io/preview
- Dan Silivestru (@confusement)
- Gord Tanner (@gordtanner)