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Exemplo de filas com beanstalkd

Este repositório contém um exemplo de como processar filas usando o beanstalkd

O exemplo conta com loopConnection, uma técnica que permite os workers manterem uma execução contínua, caso aconteça um erro de conexão, ela será regerada automaticamente e o fluxo de consumo da fila continua normalmente

Graceful stop - parar somente após terminar task

Para garantir que os consumers/workers não reiniciem durante a execução de uma task, foram implementados mecanismos que detectam os "signals" para encerrar o script e assim só finalizam o script após terminar a task atual.

Isso é feito através dos signals:

  • SIGINT
  • SIGTERM

Usando os recursos:

  • pcntl_sigprocmask(SIG_BLOCK, [SIGTERM, SIGINT]);
  • pcntl_sigprocmask(SIG_UNBLOCK, [SIGTERM, SIGINT]);
  • pcntl_signal_dispatch();

Como subir o ambiente?

Para maior comodidade, basta usar o ambiente docker:

docker-compose up -d

#OU

docker compose up -d

Como executar a fila?

Dentro da public tem 3 scripts que devem ser executados via terminal:

public/publisher.php: publica 10 itens na fila

public/consumer.php: consome os itens da fila de forma simples e com programação funcional

public/consumer-with-class.php: consome os itens da fila de forma simples utilizando uma classe que automatiza o processamento

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