53 lines
2.4 KiB
Text
53 lines
2.4 KiB
Text
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=== Eviction and Expiration
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There is a realm cache that holds information about secured applications, general security data, and configuration options.
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This cache is unbounded and does not have a limit on entries. This might scare you a little bit, but the number of entries
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in this cache is pretty low compared to the user cache. There is a user cache that contains user metadata. It defaults to a maximum of 10000 entries and uses a least recently used eviction strategy.
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There are also separate caches for user sessions, offline tokens, and login failures. These caches are unbounded as well.
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The eviction policy and max entries for these caches can be configured in the _standalone.xml_, _standalone-ha.xml_, or
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_domain.xml_ depending on your <<fake/../../operating-mode.adoc#_operating-mode, operating mode>>.
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.non-clustered
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[source,xml]
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----
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<subsystem xmlns="urn:jboss:domain:infinispan:4.0">
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<cache-container name="keycloak" jndi-name="infinispan/Keycloak">
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<local-cache name="realms"/>
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<local-cache name="users">
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<eviction max-entries="10000" strategy="LRU"/>
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</local-cache>
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<local-cache name="sessions"/>
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<local-cache name="offlineSessions"/>
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<local-cache name="loginFailures"/>
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<local-cache name="work"/>
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<local-cache name="realmVersions">
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<transaction mode="BATCH" locking="PESSIMISTIC"/>
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</local-cache>
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</cache-container>
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----
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.non-clustered
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[source,xml]
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----
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<subsystem xmlns="urn:jboss:domain:infinispan:4.0">
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<cache-container name="keycloak" jndi-name="infinispan/Keycloak">
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<transport lock-timeout="60000"/>
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<invalidation-cache name="realms" mode="SYNC"/>
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<invalidation-cache name="users" mode="SYNC">
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<eviction max-entries="10000" strategy="LRU"/>
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</invalidation-cache>
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<distributed-cache name="sessions" mode="SYNC" owners="1"/>
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<distributed-cache name="offlineSessions" mode="SYNC" owners="1"/>
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<distributed-cache name="loginFailures" mode="SYNC" owners="1"/>
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<replicated-cache name="work" mode="SYNC"/>
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<local-cache name="realmVersions">
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<transaction mode="BATCH" locking="PESSIMISTIC"/>
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</local-cache>
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</cache-container>
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----
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To limit to expand the number of entries simply add, edit, or remove the +eviction+ element from the +invalidation-cache+ or
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+distributed-cache+ eviction policy you want to change.
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