Comments (2)
For completeness sake here is a basic checklist
Cache Bypasses
cache-control: no-cache
(shouldn't be cached)
cache-control: no-store
(used for sensitive info, shouldn't be cached)
cache-control: private
(shouldn't be cached)
cache-control: must-revalidate
(note this has special behaviour)
pragma: no-cache
(prior to the implementation of cache-control: no-cache
, this was generally used in the past)
Setting Timeouts
cache-control: max-age
(timeout should be honoured)
cache-control: s-maxage
(timeout should be honoured - shared cache)
expires: 0
(timeout should be honoured, note: 0 is basically another cache bypass)
Etag
etag
- Because etag.
Vary
vary
- Because vary.
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@willfarrell This is specifically for request caching where the server maintains control (usually to protect against computationally expensive runs like database calls, processing, etc). If we honor every cache bypass (e.g. max-age=0, no-cache, etc) sent from the client, a hard refresh from any browser suddenly forces a cache-bypass across the board, hitting those expensive requests again even if the server deems that nothing has changed (or surely you would have cleared the cache after such changes).
We have "x-apicache-bypass" as an off-the-grid way to explicitly force from the client without being accidentally triggered from a standard practice.
I may put in a toggle to enable/disable basic client bypasses using these methods in an upcoming minor release if there is enough interest.
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Related Issues (20)
- Browser ignoring cleared cache group HOT 3
- How to ignore cache but still save the result at the end HOT 2
- How do you manage a memory?
- Help with clearing cache HOT 1
- Dont serve cache if API authorization fails HOT 1
- apicache not supported on Node 14 HOT 7
- Having issues using ioredis and typescript
- How can I use stale-while-revalidate with max-age?
- Is there any limit to url length ?
- MAINTAINERS WANTED: Looking for active authors to help with the maintenance/evolution of apicache! HOT 6
- cache-control global options not working correctly HOT 2
- Event when cache is expired HOT 1
- Advice on preventing race conditions caused by multiple calls to the same endpoint made simultaneously (using Redis)? HOT 1
- Add Redis version 4 support HOT 5
- Load balancer + restify bug resolution
- Redis cached data for the same key is never returned, only continuously added on subsequent requests HOT 2
- is dynamic duration possible? HOT 3
- redisClient option not able to store apicache data in redis database HOT 4
- Set X-Cache in response header
- Possible memory leak in MemoryCache
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