ionelmc · October 25, 2013 11:50
diff --git a/thundering_herd_proof.py b/thundering_herd_proof.py

 val = cache.get(key)
 if val:
    return val
 else:
    with cache.lock(key):
        val = cache.get(key)
        if val:
            return val
        else:
            # DO EXPENSIVE WORK
            val = ...
            
            cache.set(key, value)
            return val

	val = cache.get(key)
	if val:
	return val
	else:
	with cache.lock(key):
	val = cache.get(key)
	if val:
	return val
	else:
	# DO EXPENSIVE WORK
	val = ...

	cache.set(key, value)
	return val
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