github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-21 19:01:49 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #83643 from lavalamp/bigger-auth-cache

Browse Source 
increase auth cache size
This commit is contained in:
Kubernetes Prow Robot 2019-10-09 02:18:03 -07:00 committed by GitHub
commit 6992d1386c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
staging/src/k8s.io/apiserver/pkg/authentication/token/cache/cached_token_authenticator.go vendored
View File

@ -62,7 +62,14 @@ func newWithClock(authenticator authenticator.Token, cacheErrs bool, successTTL,
cacheErrs: cacheErrs,
successTTL: successTTL,
failureTTL: failureTTL,
cache: newStripedCache(32, fnvHashFunc, func() cache { return newSimpleCache(128, clock) }),
// Cache performance degrades noticeably when the number of
// tokens in operation exceeds the size of the cache. It is
// cheap to make the cache big in the second dimension below,
// the memory is only consumed when that many tokens are being
// used. Currently we advertise support 5k nodes and 10k
// namespaces; a 32k entry cache is therefore a 2x safety
// margin.
cache: newStripedCache(32, fnvHashFunc, func() cache { return newSimpleCache(1024, clock) }),
}
}