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Posted to issues@ignite.apache.org by "Roman Puchkovskiy (Jira)" <ji...@apache.org> on 2023/02/21 14:20:00 UTC
[jira] [Updated] (IGNITE-18863) Add a test for a leader change during full rebalance
[ https://issues.apache.org/jira/browse/IGNITE-18863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Roman Puchkovskiy updated IGNITE-18863:
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Description:
During a full rebalance, the leader changes to another leader that does not have enough log to feed the follower using AppendEntries (but it can feed it with a snapshot), what will happen?
I expect the current rebalance to be canceled and a new one to start with empty storages and set initial (equal to 0) {*}lastAppliedIndex *and *lastAppliedTerm{*}.
And also what index will be sent to the new leader, if during a full rebalancing on the recipient it will be equal to {*}-1{*}.
was:
During a full rebalance, the leader changes, what will happen?
I expect the current rebalance to be canceled and a new one to start with empty storages and set initial (equal to 0) {*}lastAppliedIndex *and *lastAppliedTerm{*}.
And also what index will be sent to the new leader, if during a full rebalancing on the recipient it will be equal to {*}-1{*}.
> Add a test for a leader change during full rebalance
> ----------------------------------------------------
>
> Key: IGNITE-18863
> URL: https://issues.apache.org/jira/browse/IGNITE-18863
> Project: Ignite
> Issue Type: New Feature
> Reporter: Roman Puchkovskiy
> Assignee: Roman Puchkovskiy
> Priority: Major
> Labels: ignite-3
> Fix For: 3.0.0-beta2
>
>
> During a full rebalance, the leader changes to another leader that does not have enough log to feed the follower using AppendEntries (but it can feed it with a snapshot), what will happen?
> I expect the current rebalance to be canceled and a new one to start with empty storages and set initial (equal to 0) {*}lastAppliedIndex *and *lastAppliedTerm{*}.
> And also what index will be sent to the new leader, if during a full rebalancing on the recipient it will be equal to {*}-1{*}.
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