Queues
The User
I don't want to wait till
your application update
cache!
The product owner
Can we also notify the user
friends when he save
new data?
Development team
Our notification system
developed using
Python and Java
Classic workflow
Queues
Improved workflow
Improved workflow
Improved workflow
RabbitMQ & AMQP
- RabitMQ - Message broker software
- Advanced Message Queuing Protocol
- Completely Open Protocol
- Binary Protocol
- AMPQ Model
- AMPQ Wire Format
AMQP Model
- Exchanges
- Message Queues
- Binding
- Rules for binding them
- RPC
Messages flow
Exchange Types
- Fanout
- Direct
- Topic
Fanout Exchange
Direct Exchnage
Topic Exchnage
Remote procedure call
Queue attributes
- Auto delete
- Durability
- Message TTL
- Auto expire
- Max length
- Dead letter exchange
- Dead letter routing key
- Arguments
Queue messages attributes
- Delivery mode
- Headers
- Properties
- Payload
Queue messages
- Ready
- Unacknowledged
- Total
Message rates
- Publish
- Deliver
- Redelivered
- Acknowledge
RabbitMQ few workers per queue
RabbitMQ management
RabbitMQ management
Redis
RPUSH LPOP
Implementation
Resque
- create workers
- dashboard
Resque worker
- class
- behavior
- setUp
- before perform
- perform
- do Your job
- tearDown
- after perform
Enqueue
\Resque::setBackend('localhost:6379');
\Resque::enqueue('Foo', '\App\CoreBundle\Jobs\FooJob', $args);
Dequeue
$ QUEUE=Foo VVERBOSE=1 php resque.php
Workers setup
- Logs
- Number of workers
- Interval
- Redis backend
- Verbose
- Vverbose
- Queue
- App include
How it works
Dashboard
Dashboard
Dashboard
