1.
ELIXIRTolerância a Falhas para Adultos
@akitaonrails

2.
ELIXIRTolerância a Falhas para Adultos
@akitaonrails

3.
@akitaonrails

4.
FIM DA LEI DE
MOORE

5.
THREADS!
(NÃO USE)

6.
THREADS!
(NÃO USE)

7.
EVENTOS!
(NÃO USE)

8.
EVENTOS!
(NÃO USE)

9.
BAIXA LATÊNCIA

10.
CO-ROTINAS
(SUBROTINAS, FIBRAS)

11.
CASOS REAIS

12.
“Since cut-over of the first nodes in British Telecom's network
in January 2002 only one minor fault has occurred, resulting in
99.9999999% availability.”
“The network performance has been so reliable that there is
almost a risk that our field engineers do not learn maintenance
skills.”
Bernt Nilsson - director of Ericsson’s Next Generation Systems program

13.
BÁSICO …

14.
PEER-TO-PEER
NETWORKING

15.
[a, b, c] = [a, 2, 3]
{:ok, message} = {:ok, “world"}
{:ok, [hello: message]} = {:ok, [hello: “world”]}
[hello: message, world: message2]
#=> [{:hello, message}, {:world, message2}]

16.
[a, b, c] = [a, 2, 3]
{:ok, message} = {:ok, “world"}
{:ok, [hello: message]} = {:ok, [hello: “world”]}
[hello: message, world: message2]
#=> [{:hello, message}, {:world, message2}]

17.
[a, b, c] = [a, 2, 3]
{:ok, message} = {:ok, “world"}
{:ok, [hello: message]} = {:ok, [hello: “world”]}
[hello: message, world: message2]
#=> [{:hello, message}, {:world, message2}]

18.
[a, b, c] = [a, 2, 3]
{:ok, message} = {:ok, “world"}
{:ok, [hello: message]} = {:ok, [hello: “world”]}
[hello: message, world: message2]
#=> [{:hello, message}, {:world, message2}]

19.
PATTERN
MATCHING

20.
CALL BY
PATTERN

21.
Spawn, Send,
Receive

22.
"PID"
(Process ID)

23.
PROCESSOS
(GREEN THREADS)

24.
List/Kill

25.
ASYNCHRONOUS
EXCEPTIONS

26.
ASYNCHRONOUS
EXCEPTIONS

27.
Link, Flag

28.
ACTORS!

29.
GenServer

30.
[h, t] = [1, 2, 3]
#=> h = 1, t = [2,3]
Process.list |> Enum.reverse
#=> Enum.reverse(Process.list())

31.
[h, t] = [1, 2, 3]
#=> h = 1, t = [2,3]
Process.list |> Enum.reverse
#=> Enum.reverse(Process.list())

32.
SUPERVISOR TREE
(supervisor - supervisees/workers)

33.
OTP
(Open Telecom Platform)

34.
MICRO
“YOCTO”
SERVICES
(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

35.
MICRO
“YOCTO”
SERVICES
(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

36.
MICRO
“YOCTO”
SERVICES
(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

37.
• Keywords, Maps, Comprehensions

38.
• Keywords, Maps, Comprehensions
• Documentação testável/executável

39.
• Keywords, Maps, Comprehensions
• Documentação testável/executável
• TypeSpecs, Behaviors

40.
• Keywords, Maps, Comprehensions
• Documentação testável/executável
• TypeSpecs, Behaviors
• Agents, Tasks, GenEvent

41.
• Keywords, Maps, Comprehensions
• Documentação testável/executável
• TypeSpecs, Behaviors
• Agents, Tasks, GenEvent
• Macros, Sigils

42.
• Keywords, Maps, Comprehensions
• Documentação testável/executável
• TypeSpecs, Behaviors
• Agents, Tasks, GenEvent
• Macros, Sigils
• Armazenamento: ETS, DETS, Mnesia

43.
Javascript -
shared mutable global state
Blocking Event Loop
Rust -
Low Level
Async in progress
No coroutines
Go
Suture
(OTP Clone)
goroutines sem ID
shared mutable state
static signatures
Scala
Akka
(OTP Clone)
shared mutable state
static signatures
Clojure Pulsar / Quasar
Almost Erlang-like Process
JVM limitations

44.
“quase” …

45.
Erlang:
PRONTO!
(30 anos)

46.
APRENDENDO

47.
OBRIGADO!
www.akitaonrails.com/elixir
@akitaonrails

48.
OBRIGADO!
www.akitaonrails.com/elixir
@akitaonrails