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  1. JBoss Enterprise Application Platform
  2. JBEAP-19803

[GSS](7.2.z) Distributed sessions/SFSBs stored in non-transactional invalidation-cache should schedule expirations locally

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    • Bug
    • Resolution: Done
    • Critical
    • 7.2.9.CR2, 7.2.9.GA
    • 7.2.8.GA
    • Clustering
    • None
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      Configure at least two clustered EAP instances to offload sessions to RHDG. (<invalidation-cache> with a <remote-store>).

      Configure the session cache for concurrent access (no <locking> or <transaction> tags).

      Enable TRACE logging for "org.wildfly.clustering.web.infinispan"

      Deploy an application that uses sessions.

      Access the application to create a session on each node.

      Expected result: "Session X will expire in Y ms" is logged on the node the session was accessed on.

      Actual result: "Session X will expire in Y ms" is logged on one specific member of the cluster for all sessions.

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      Configure at least two clustered EAP instances to offload sessions to RHDG. (<invalidation-cache> with a <remote-store>). Configure the session cache for concurrent access (no <locking> or <transaction> tags). Enable TRACE logging for "org.wildfly.clustering.web.infinispan" Deploy an application that uses sessions. Access the application to create a session on each node. Expected result: "Session X will expire in Y ms" is logged on the node the session was accessed on. Actual result: "Session X will expire in Y ms" is logged on one specific member of the cluster for all sessions.

    Description

      Currently, distributed web sessions (and SFSBs) are expired on the primary owner of the session. For non-transactional invalidation caches expiration should always be scheduled locally. This used to be the case, however, the logic for determining this has changed such that expirations happen on the owner of segment 0.

      This has the consequence of an RPC cost per request (and one after).

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          Bug - A problem that impairs or prevents the functions of the product. JBEAP-19802 [GSS](7.3.z) WFLY-13627 - Distributed sessions/SFSBs stored in non-transactional invalidation-cache should schedule expirations locally

          • Critical - To be worked on immediately following BLOCKER issues.
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              pferraro@redhat.com Paul Ferraro
              pferraro@redhat.com Paul Ferraro
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