How can we create thousands of queues and workers who poll based on a given queue name input and count?

[archit-harness]

How can we create thousands of queues and workers who poll based on a given queue name input and count?

Basically I want to create queues based on accounts, which will be nearly 10-20k, so I should be able to push tasks accordingly to their respective queues.
Secondly there will be limited workers who will based on algorithm decide which queue to process N items at any time, so can we poll without creating worker server again and again?

Thanks in advance for your help.

[archit-harness]

@hibiken I know client.Enqueue takes queue param as well, so basically how many different do you think It can support?
But for workers i couldn't find any way to give runtime value for queue polling for each iteration thus it was costly for me to do that.