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What is the problem of two-phase commit protocol?

Anjali Sharma answered on January 4, 2023 Popularity 3/10 Helpfulness 1/10

answer What is the problem of two-phase commit protocol?

What is the problem of two-phase commit protocol?

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The greatest disadvantage of the two-phase commit protocol is that it is a blocking protocol.

If the coordinator fails permanently, some participants will never resolve their transactions: After a participant has sent an agreement message to the coordinator, it will block until a commit or rollback is received.

@Configuration
public class OrderServiceConfiguration {

 @Bean
 public OrderService orderService(RestaurantRepository restaurantRepository,
                                  ...
                                  SagaManager<CreateOrderSagaState>
                                          createOrderSagaManager,
                                  ...) {
  return new OrderService(restaurantRepository,
                          ...
                          createOrderSagaManager
                          ...);
 }

 @Bean
 public SagaManager<CreateOrderSagaState> createOrderSagaManager(CreateOrderSaga saga) {
  return new SagaManagerImpl<>(saga);
 }

 @Bean
 public CreateOrderSaga createOrderSaga(OrderServiceProxy orderService,
                                        ConsumerServiceProxy consumerService,
                                        ...) {
  return new CreateOrderSaga(orderService, consumerService, ...);
 }

 @Bean
 public OrderCommandHandlers orderCommandHandlers() {
  return new OrderCommandHandlers();
 }

 @Bean
 public SagaCommandDispatcher  orderCommandHandlersDispatcher(OrderCommandHandlers orderCommandHandlers) {
  return new SagaCommandDispatcher("orderService", orderCommandHandlers.commandHandlers());
 }

 @Bean
 public KitchenServiceProxy kitchenServiceProxy() {
   return new KitchenServiceProxy();
 }

 @Bean
 public OrderServiceProxy orderServiceProxy() {
   return new OrderServiceProxy();
 }

 ...

}

https://stackoverflow.com/questions/32908457/what-problems-can-two-phase-commits-cause

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: commit javascript

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Contributed on Jan 04 2023

Anjali Sharma

0 Answers Avg Quality 2/10

What is the problem of two-phase commit protocol?

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