ELIXIR Tolerncia a Falhas para Adultos @akitaonrails ELIXIR - - PowerPoint PPT Presentation

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ELIXIR Tolerncia a Falhas para Adultos @akitaonrails ELIXIR - - PowerPoint PPT Presentation

Jan 29, 2023 413 likes •1.54k views

ELIXIR Tolerncia a Falhas para Adultos @akitaonrails ELIXIR Tolerncia a Falhas para Adultos @akitaonrails @akitaonrails FIM DA LEI DE MOORE THREADS! (NO USE) THREADS! (NO USE) EVENTOS! (NO USE) EVENTOS! (NO USE) BAIXA

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ELIXIR

Tolerância a Falhas para Adultos

@akitaonrails

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ELIXIR

Tolerância a Falhas para Adultos

@akitaonrails

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@akitaonrails

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FIM DA LEI DE

MOORE

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THREADS! (NÃO USE)

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THREADS! (NÃO USE)

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EVENTOS! (NÃO USE)

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EVENTOS! (NÃO USE)

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BAIXA LATÊNCIA

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CO-ROTINAS

(SUBROTINAS, FIBRAS)

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CASOS REAIS

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“Since cut-over of the fjrst 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 fjeld engineers do not learn maintenance skills.”

Bernt Nilsson - director of Ericsson’s Next Generation Systems program
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BÁSICO …

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PEER-TO-PEER NETWORKING

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

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

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

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

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PATTERN

MATCHING

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CALL BY

PATTERN

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Spawn, Send, Receive

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"PID"

(Process ID)

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PROCESSOS

(GREEN THREADS)

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List/Kill

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ASYNCHRONOUS

EXCEPTIONS

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ASYNCHRONOUS

EXCEPTIONS

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Link, Flag

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ACTORS!

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GenServer

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

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

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SUPERVISOR TREE

(supervisor - supervisees/workers)

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OTP

(Open Telecom Platform)

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MICRO

“YOCTO”

SERVICES

(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

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MICRO

“YOCTO”

SERVICES

(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

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MICRO

“YOCTO”

SERVICES

(Micro > Nano > Pico > Femto > Atto > Zepto > Yocto)

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  • Keywords, Maps, Comprehensions
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  • Keywords, Maps, Comprehensions
  • Documentação testável/executável
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  • Keywords, Maps, Comprehensions
  • Documentação testável/executável
  • TypeSpecs, Behaviors
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  • Keywords, Maps, Comprehensions
  • Documentação testável/executável
  • TypeSpecs, Behaviors
  • Agents, Tasks, GenEvent
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  • Keywords, Maps, Comprehensions
  • Documentação testável/executável
  • TypeSpecs, Behaviors
  • Agents, Tasks, GenEvent
  • Macros, Sigils
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  • Keywords, Maps, Comprehensions
  • Documentação testável/executável
  • TypeSpecs, Behaviors
  • Agents, Tasks, GenEvent
  • Macros, Sigils
  • Armazenamento: ETS, DETS, Mnesia
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  • 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
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“quase” …

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Erlang:

PRONTO! (30 anos)

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APRENDENDO

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OBRIGADO!

www.akitaonrails.com/elixir @akitaonrails

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OBRIGADO!

www.akitaonrails.com/elixir @akitaonrails