Re: [keycloak-dev] Keycloak benchmarks / Performance Guide
----- Original Message -----
From: "George Leon" <g.leon(a)betiator.com>
To: keycloak-dev(a)lists.jboss.org
Cc: "George Karoulas" <g.karoulas(a)betiator.com>, stratos(a)betiator.com
Sent: Tuesday, 9 June, 2015 1:03:45 PM
Subject: [keycloak-dev] Keycloak benchmarks / Performance Guide
Hi Keycloak Team ,
We are evaluating to use in production and have 2) questions
1)
Any information on Keycloak benchmarks would help us decide what Hardware
we will need for example
1 Wildfly/Keycloak server with 4 cores CPU with 8GB memory and
1 separate Mysql DB with 4 cores CPU with 8GB with JDBC data connection
pooling set to 30 connections say
for example can handle ?????? concurrent user longings .
We have only done limited benchmarks currently and what hardware you need would be very
related to what your usage is (number of users, how often they login/logout, token
timeouts etc.).
In production you should consider having a cluster with at least 2 nodes for availability,
this would also help with performance. Keycloak doesn't require a sticky load
balancer, services can verify tokens without request to KC, etc. so it should scale well.
2)
What server-cache is used and what control will we have like configuration
options other than maxSize
Also what unit is maxSize memory in ?
In production I recommend using the Infinispan cache, not the basic in-mem cache. This
will also give you more control of cache eviction, etc..
See http://keycloak.github.io/docs/userguide/html/clustering.html
Docs Reference :
http://keycloak.github.io/docs/userguide/html/server_cache.html Thanks again
and Great work with Keycloak
G.Leon
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