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@lru_cache vs redis-simple-cache in Python

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In my Python libraries video there seemed to be some confusion about why redis cache is different from lru_cache or cachetools, so in this video I'm trying to explain the difference a bit more.
The python 3 packages for redis-simple-cache
pypi.org/proje...
pypi.org/proje...
#python #redis #cache
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21 авг 2024

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Комментарии : 25

@AnyFactor 3 года назад

It's a thankless job uploading content in the intermediate programming niche. Not many subs, not many views. But those who are watching appreciate your effort.

@JackofSome 3 года назад

RU-vid's been nice to me lately with recommendations. Fingers crossed.

@10e999 3 года назад

To see a Python RU-vid video about actual programming tradeoffs and not just some basic syntax features is like a breath of fresh air! Thanks for your content. Subscribe.

@modsoul 2 года назад

Agreed. This is a fantastic content. 1st video i've seen from him and subscribed

@azratosh 3 года назад

Nice and quick explanation! I can actually see Redis being used as a L2 cache, maybe. A decorator that implements something like @functools.lru_cache as L1 cache and @redis_cache.cache_it as L2 would be amazing!

@JackofSome 3 года назад

That ... sounds awesome.

@Yoku5 3 года назад

As an alternative solution for persistent caching I recommend the DiskCache library. It caches to the file system, so it has slightly different pros and cons compared with redis, but it's quite performant. In addition to a cache decorator it provides a bunch of other useful utilities and can be used in multi-process applications.

@JackofSome 3 года назад

Hey thanks for the recommendation. I'll check it out!

@ponysmallhorse 3 года назад

Finally I found channel that can actually show me something interesting about python. It has been so long:) Big like on the video.

@JackofSome 3 года назад

Thanks for the kind words.

@ponysmallhorse 3 года назад

@@JackofSome Have a question to fellow Experienced Pythonista, how do you feel about Classes in Python? Do you feel like most of the time we can do away with classes? I swear when I read code(which is most of my day) I feel like I can delete 90% of classes and write code in more clear and readable way without them. Problem is that All of my colleagues came from C# and Java and is an up hill battle to make them adapt to best features of Python(They basically still think in Java or C#\++).

@JackofSome 3 года назад

There's a great talk by the name of "stop writing classes" that I recommend you watch. I have similar feelings, though maybe not 90 percent. A fair bit of my code is class-less and it's better because of it. The rest I feel is better with classes.

@ponysmallhorse 3 года назад

@@JackofSome Exactly the talk that I watched back in 2015 that put me on this path. Right now I think I might went a bit overboard with this, due to interfaces of my libs are classless(and stateless for that matter) and for some people who need to use them I think it might be harder to grasp. Oh well. Great to know there are like mind people out there:)

@JackofSome 3 года назад

You can always make a wrapper class 😉

@JohnHollowell 3 года назад

One other huge benefit of redis is not just a cache that persists between running the same program, but a fleet of concurrently running processes that can have a shared cache. Not only does the computation results of one process get shared with all the other processes, but memory demands are reduced using a shared cache rather than several duplicate caches.