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5.6 Release Notes

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This release introduced the High Availability Mode configuration and custom resources (CRs) for Cache and Queue data structures. We also added persistence support for the Cache CR and introduced a new way to install the Hazelcast Platform Operator, using Helm.

New Features

  • Introduced High Availability Mode configuration to create clusters that are resilient to node and zone failures (#538)

  • Added support for the Queue CR (#428)

  • Added support for the Cache CR (#430)

  • Made persistence support for the Cache CR configurable (#474)

  • Replaced the autoForceStart option with startupAction. When applied, startupAction allows you to trigger Force Start or Partial Start (#511)

  • Introduced a new way to install the Hazelcast Platform Operator, using Helm

Changes

  • Added a connectivity check to the WAN Replication CR. When creating a WAN Replication CR, you can now check that the target cluster is reachable (#541)

  • Added persistence for WAN Replication configurations. WAN Replication configurations are now stored in the Hazelcast ConfigMap so that when member containers restart, replication continues (#513)

  • Added logic for recreating a Hazelcast client when the client is unable to access a cluster. When the client is unable to connect, the Hazelcast Platform Operator restarts it (#500)

  • Updated CR validation to use a webhook. The Hazelcast Platform Operator can now report issues with CRs before they are applied (#492)

  • Improved the approach for exposing API fields. Exposed API fields are now more consistent (#498)

  • Removed the h.Spec.Persistence.DataLoadTimeoutSec parameter (#512)

  • Split restore and restore_local commands (#471)

  • Updated the cluster activation logic to use the Go client (#466)

  • Added tilt-debug support for the remote debugging of local Kubernetes clusters (#528)

  • Added ClusterIDs to Phone Home data (#527)

  • Updated capabilities of Cluster Service Version (CSV) from Seamless Upgrades to Full Lifecycle. Both options now appear on the OCP OperatorHub dashboard (#476)

Fixed Issues

  • A HotBackup can now be created before the Hazelcast cluster is ready (#503)

  • Added webhook support for Operator Lifecycle Management (OLM) (#540)

  • Sets a Hazelcast resource message when attempting to restore a hot backup that does not exist (#514)

  • Multiple CRs for data structures can now be created and then stored correctly in the ConfigMap (#501)

  • Added a security context to all containers for hostPath permissions (#485)

  • Fixed the incorrect assignment of a variable in WanRep ConfigMap. After a restart, cluster members will now continue replicating map entries (#554)

  • Hazelcast member status no longer contains an empty pod name field (#456)