Threading on Python

Question

I am working on a program which logs memory usage on a server. The server has multiple instances running, and the program is logging all.

I am trying to figure out what would be more optimal.

Options:
(Assuming two instances)
1. Single Thread Program, which handles each instance, one by one. Time delay 0.5 seconds.
2. Double Thread, each handling one instance, Time Delay : 1 second.

Any suggestions?

phihag · Accepted Answer · 2011-09-16 09:57:57Z

2

Both options are perfectly fine. Note that writing a single-threaded program is way easier, so unless you have tight performance requirements or timing constraints, you should forgo threads in favor of faster development and less bugs.

answered Sep 16, 2011 at 9:57

phihag

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3 Comments

Parag Gupta Over a year ago

Right now the priority is not fast-development, but better results, as the number of instances go upto 6-7 at times, and the log files do have some basic statistic calculations.

phihag Over a year ago

@Parag Gupta In Python, you'll have to watch out for the GIL anyway (i.e. use multiprocessing instead of threading if your program is CPU-bound). Still, I'd always start with the simpler option. If you design your program carefully (for example, don't use global variables, have an independent method that measures a single instance once, etc.), you can still switch to multiple threads once it becomes necessary.

Parag Gupta Over a year ago

Thanks. I think I would go with a single thread in that case. If it becomes in-accurate later, would switch. =)

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