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Posted to issues@ignite.apache.org by "Anton Vinogradov (Jira)" <ji...@apache.org> on 2022/10/12 10:34:00 UTC
[jira] [Created] (IGNITE-17880) Topology version must be extended with topology epoch
Anton Vinogradov created IGNITE-17880:
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Summary: Topology version must be extended with topology epoch
Key: IGNITE-17880
URL: https://issues.apache.org/jira/browse/IGNITE-17880
Project: Ignite
Issue Type: Sub-task
Reporter: Anton Vinogradov
Epoch must be incremented each time when topology version changed from 0 to 1 (when the cluster started or restarted).
Each epoch decrease or invariance on join must be logged as a warning.
Epoch must be logged at every topology version change.
This will
- help to determine how many times the cluster was restarted (and make it easier to determine when)
- checks that the part of the cluster which was restarted sometimes as a standalone cluster will never join the rest of the cluster with the lower epoch (check some segmentation and management problems)
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