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Merge pull request #22 from glavoie/KEYCLOAK-4032

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KEYCLOAK-4032: Realms cache is not unbounded anymore by default.
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Marek Posolda 2016-12-05 17:15:55 +01:00 committed by GitHub
commit f55868559d
1 changed files with 14 additions and 9 deletions
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23
topics/cache/eviction.adoc vendored
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@ -3,8 +3,9 @@
There are multiple different caches configured for {{book.project.name}}. There are multiple different caches configured for {{book.project.name}}.
There is a realm cache that holds information about secured applications, general security data, and configuration options. There is a realm cache that holds information about secured applications, general security data, and configuration options.
This size of this cache is unbounded and does not have a limit on entries. This might scare you a little bit, but the number of entries There is also a user cache that contains user metadata. Both caches default to a maximum of 10000 entries and use a least recently used eviction strategy.
in this cache is pretty low compared to the user cache. There is also a user cache that contains user metadata. It defaults to a maximum of 10000 entries and uses a least recently used eviction strategy. Each of them is also tied to an object revisions cache that controls eviction in a clustered setup.
This cache is created implicitely and has twice the configured size.
There are also separate caches for user sessions, offline tokens, and login failures. These caches are unbounded in size as well. There are also separate caches for user sessions, offline tokens, and login failures. These caches are unbounded in size as well.
The eviction policy and max entries for these caches can be configured in the _standalone.xml_, _standalone-ha.xml_, or The eviction policy and max entries for these caches can be configured in the _standalone.xml_, _standalone-ha.xml_, or
@ -15,9 +16,11 @@ _domain.xml_ depending on your <<fake/../../operating-mode.adoc#_operating-mode,
---- ----
<subsystem xmlns="urn:jboss:domain:infinispan:4.0"> <subsystem xmlns="urn:jboss:domain:infinispan:4.0">
<cache-container name="keycloak" jndi-name="infinispan/Keycloak"> <cache-container name="keycloak" jndi-name="infinispan/Keycloak">
<local-cache name="realms"/> <local-cache name="realms">
<eviction max-entries="10000" strategy="LRU"/>
</local-cache>
<local-cache name="users"> <local-cache name="users">
<eviction strategy="LRU" max-entries="10000"/> <eviction max-entries="10000" strategy="LRU"/>
</local-cache> </local-cache>
<local-cache name="sessions"/> <local-cache name="sessions"/>
<local-cache name="offlineSessions"/> <local-cache name="offlineSessions"/>
@ -27,8 +30,8 @@ _domain.xml_ depending on your <<fake/../../operating-mode.adoc#_operating-mode,
<eviction strategy="LRU" max-entries="100"/> <eviction strategy="LRU" max-entries="100"/>
</local-cache> </local-cache>
<local-cache name="keys"> <local-cache name="keys">
<eviction strategy="LRU" max-entries="1000"/> <eviction strategy="LRU" max-entries="1000"/>
<expiration max-idle="3600000"/> <expiration max-idle="3600000"/>
</local-cache> </local-cache>
</cache-container> </cache-container>
---- ----
@ -40,7 +43,9 @@ _domain.xml_ depending on your <<fake/../../operating-mode.adoc#_operating-mode,
<subsystem xmlns="urn:jboss:domain:infinispan:4.0"> <subsystem xmlns="urn:jboss:domain:infinispan:4.0">
<cache-container name="keycloak" jndi-name="infinispan/Keycloak"> <cache-container name="keycloak" jndi-name="infinispan/Keycloak">
<transport lock-timeout="60000"/> <transport lock-timeout="60000"/>
<local-cache name="realms"/> <local-cache name="realms">
<eviction max-entries="10000" strategy="LRU"/>
</local-cache>
<local-cache name="users"> <local-cache name="users">
<eviction max-entries="10000" strategy="LRU"/> <eviction max-entries="10000" strategy="LRU"/>
</local-cache> </local-cache>
@ -56,5 +61,5 @@ _domain.xml_ depending on your <<fake/../../operating-mode.adoc#_operating-mode,
</cache-container> </cache-container>
---- ----
To limit or expand the number of allowed entries simply add, edit, or remove the `eviction` element or the `expiration` element of particular cache To limit or expand the number of allowed entries simply add or edit the `eviction` element or the `expiration` element of particular cache
configuration. configuration.