How to use GenericJackson2JsonRedisSerializer
I am using Spring Data Redis in order to cache some data using @Cacheable. I have multiple types of objects that need to be cached and I need the data from Redis to be in JSON format. I know that,…
Reset /proc/sys/vm/drop_caches to default value 0 – Debian
Recently I tried to empty the buffers cache on a Debian webserver. The command I used was: free && sync && echo 3 > /proc/sys/vm/drop_caches && free So far so good, running cat /proc/sys/vm/drop_caches prints a value of 3. When…
Redis – Rate limiting load balanced environment using a distributed cache
My question is about a fundamental functionality of the distributed cache, my use case is a rate limiter implementation on a load balanced environment, each request from the same endpoint should increment a request-counter for that endpoint, I'm trying to…
Redis vs memcached vs Scylla Cache – Which one to choose?
I'm designing an application where I want to cache million data each around 10kb.. I did some analysis and on the fence between using Redis vs memcached vs Scylla as Cache.. Can some experts suggests which might best suits my…
Divi theme – Why is my site not fully rendering after implementing WP Rocket? I get "Uncaught SyntaxError: Invalid regular expression: missing /" in my console
I've recently implemented WP Rocket on my WordPress site and suddenly it's not rendering correctly. I'm getting this error message in the console: Uncaught SyntaxError: Invalid regular expression: missing / I can clear the cache and it loads the first…
Php versions – How to add dynamic timestamps for JS includes in static HTMLfile
So I have an interesting problem. I have a static site with some HTML files having javascript includes. Is there a way I can add a dynamic timestamp to these JS files in order to override caching and to have…
Redis – Does node-cache uses locks
I'm trying to understand if the node-cache package uses locks for the cache object and can't find anything. I tried to look at the source code and it doesn't look like it, but this answer suggests otherwise with the quote:…
Redis – Handling dictionary values stored in DB – Spring
I am developing some SPA with a backend written in Java (Spring Boot). In relational DB that backend connects to, there is a table with some dictionary values. Values can edited by users of the app, but it's done really,…
Php versions – Force clients browser cache to clear for php generated pages
I have been searching the web for a while now, looking for a solution how to force a client's browser to not only clear cached JS and CSS files, but also php generated files? Or maybe it has something to…
Memcached – not able to use cache in django python
i want to cache in django so I am using low level API caching but even after adding it shows none >>> from django.core.cache import cache >>> cache.set('my_key', 'hello, world!') >>> cache.get('my_key') >>> print(cache.get('my_key')) None >>> in my settings.py CACHES…