Cache never invalidates

Code reviewDistributed systemsMid–Senior~18 min

Review this caching addition.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min

Mark a line and say what kind of problem it is.0 findings

1_cache = {}

3def get_config(key):

4 if key not in _cache:

5 _cache[key] = db.fetch_config(key)

6 return _cache[key]

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