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https://issues.apache.org/jira/browse/IGNITE-7005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anton Vinogradov updated IGNITE-7005:
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Fix Version/s: (was: 2.7)
> Ability to disable WAL (Recoverable case)
> -----------------------------------------
>
> Key: IGNITE-7005
> URL: https://issues.apache.org/jira/browse/IGNITE-7005
> Project: Ignite
> Issue Type: Task
> Components: persistence
> Reporter: Anton Vinogradov
> Priority: Major
>
> In addition to non recoverable case(IGNITE-7003):
> On WAL disabling we should (on each node)
> - trigger exchange to guarantie consistent state
> - schedule new checkpoint. This checkpoint should be recorded to special
> place (temporary checkpoint location), to prevent damage of latest one.
> All new checkpoints should update temporary checkpoint.
> On WAL enabling we should (on each node) after all nodes reported that
> checkpoints finished
> - merge temp checkpoint with stable (scheduled before WAL disabling)
> - clean WAL
> before enabling proxies
> On any failure during loading (while WAL disabled or enabling) we should be
> able to reactivate cluster with
> - data from original checkpoints & WAL for affected caches
> - latest state for non affected caches
> Failover:
> Any topology change should be covered(while WAL disabled or enabling)
> - Node(s) Left (inc. coordinator)
> - Node(s) Join
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