Python for DevOps
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Why this exists "The report takes ten minutes" and "the worker's memory keeps growing until it is killed" are ordinary problems in long running automation. The temptation is to guess (that loop looks slow) and rewrite…
Python for DevOps: Profiling a Slow Script with timeit and cProfile, and Finding a Memory Leak with tracemalloc
Measure before you optimise: time small pieces with timeit, find the real hot spot with cProfile (and be surprised by where the time goes), prove a fix with numbers, and locate a leaking cache with tracemalloc snapshots.
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