![]() ![]() ![]() goes from 3.4.x to 3.6.x), it may be necessary to performĪn intermediate upgrade first. When an upgrade jumps multiple release series (e.g. The rest of the guide covers each upgrade step in more details. The safety aspect comes from the fact that the operatorĬan abort an upgrade by switching applications back to the existing cluster. Temporary increasing infrastructure footprint. The Blue/Green deployment strategy offers the benefit of making the upgrade process safer at the cost of Rolling upgrades between certain versions are not supported. Watch monitoring and health check data to assess the health and recovery of the upgraded node or cluster. ![]() Upgrade RabbitMQ and, if applicable, Erlang.Check that the node or cluster is in a good state in order to be upgraded: no alarms are in effect, no ongoing queue synchronisation operationsĪnd the system is otherwise under a reasonable load.Investigate if the current and target versions have an in-place upgrade path: check version upgradability, Erlang version requirements, release notes, features that do not support in-place upgrades, and known caveats.Each step is covered in more detail later in this guide. Blue-green deployment where a new cluster is created and existing data is migrated to itĪn in-place upgrade usually involves the following steps performed by a deployment tool or manuallyīy an operator.In-place upgrade where each node is upgraded with its existing on disk data.There are two major upgrade scenarios that are covered in this guide: a single node and a cluster, The upgrade will fail if you miss this step. ![]() RabbitMQ 3.12 requires all previously existing feature flags to be enabled before the upgrade.
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