Resource usage

The microqueue module tries to keep memory utilization to a minimum.

The module currently uses 2240 bytes to import and 4064 bytes to create a microqueue object on the ESP8266 port.

Which means the following code uses 6304 bytes:

from microqueue import MicroQueue
q=MicroQueue('repl')

The redis protocol is binary safe which means the returned data doesn’t have to be copied or processed before being returned. As a result the queue worker just needs sufficient memory to create the object being returned from the redis queue. Which means the queue worker does not require a significant amount of resouces while in use.

Here is an example function to show the memory free and a queue worker that displays the message returned and the amount of free memory:

>>> def free():
...     gc.collect()
...     return gc.mem_free()
... 
>>> free()
14224
>>> @q.worker
... def print_free(message):
...     print("Received", message)
...     print(free())
... 
>>> print_free()
Received hello
13664
Received hello
13632
Received hello
13632
Received hello
13632
Received hello
13632