Use cache-invalidation for questions related to purging content from a cache based on a state change in the cached object or a canonical object that it shadows
For a counter I am polling the backend periodically with react-query using the refetchInterval option:
const { items } = useQuery(
["queryKey"],
requestFn,
{
refetchInterval: 5000,
}
);
...
{items.length}
Alas, when I…
For the project, we tried to deploy the front-end React static files by using AWS S3 + cloudfront.
It worked at the first time, but there was an issue that even though we updated with new build, some of the contents were not updating.
For the…
I have a simple app that has a form and list. Currently, I am using query client.InvalidateQueries to update the users' list after submitting the form. As the documentation says, using InvalidateQuery will trigger refetching, but somehow I had not…
Below is request url which contains query string param, that I have successfully cached using CDN. But I am unable to purge the request url or invalidate it from cache.
url -…
I have a react app installed in AWS s3. And I am serving the content using AWS CloudFront.
I have made some changes in the app and did invalidation in the CloudFront. It is serving updated content in all browsers excpet Google Chrome. Google Chrome…
We are looking to implement a redis based cache for read heavy data for fronting our database as a read through cache. I would like to implement a better invalidation mechanism than just TTL or LRU based eviction to prevent stale reads as much as…
I am using Hibernate 5.4.22 with Infinispan 11.0.4 in a cluster environment. Hibernate second level cache is configured to use the JCache provider:
hbProps.setProperty("hibernate.cache.use_minimal_puts", "false");
…
Is there anyway to distinguish which database an invalidation applies to?
example:
Tracking socket:
CLIENT ID // 77
PSUBSCRIBE __redis__:*
Main socket:
CLIENT TRACKING on REDIRECT 77 OPTIN
SELECT 1
SET MYKEY VALUE1
CLIENT CACHING YES
GET MYKEY…
I have a standard scenario where you have multiple parallel requests trying to access the same key in Redis based cache.
When this key is expired the requesting process notifies some external worker that it needs to be recomputed (the worker might…
Lets assume I have setup s3 bucket, and Cloudfront distrib. pointing to it.
There is a CSS File and I am able to do get request on the CSS via Cloudfront.
Now If make updates to CSS and upload to s3 bucket, will it work without a Cloudfront Cache…
I'm sure this is a duplicate but I can't find the question after scouring the internet. So if this is a duplicate, please just point me to the right one.
Question:
How can I get entity framework to pickup changes in an entity in the database that…
First I want to say Hello to all, second I am very scared since I just got a new job and one of my tasks is something I have never done before in my life.
In this case the task I am assigned to is to find a way to delete the cache from the S3…
I'm trying to find a product like Varnish that can give me the possibility to handle grafecul invalidation on cache, which basically is the ability to guarantee cache time to the client because when a key value is invalid or expired, isn not the…
I've been searching in the docs of infinispan but couldn't find out an easy way to refresh the expiration time of an entry after a get automatically.
Today I'm registering a Listener and, inside the @CacheEntryVisited event, I remove and put it…
