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https://issues.apache.org/jira/browse/IGNITE-29177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18132828#comment-18132828
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Ignite TC Bot commented on IGNITE-29177:
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{panel:title=Branch: [pull/13714/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/13714/head] Base: [master] : New Tests
(17)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Cache 21{color} [[tests
17|https://ci2.ignite.apache.org/viewLog.html?buildId=9446555]]
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testNoRebalanceWhenNoDelta - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testDcNodeDownLargeDeltaFullRebalance - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testDcNodeDownBelowThresholdFullRebalance - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcSplitBrainRebalanceTest.testNetworkPartitionMinorityBecomesReadOnly -
PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcSplitBrainRebalanceTest.testNetworkPartitionBothHalvesReadOnly -
PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testAffinityReassignmentMixedRebalance - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testDcNodeDownHistoricalRebalance - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcSplitBrainRebalanceTest.testNetworkPartitionMajorityKeepsQuorum -
PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcSplitBrainRebalanceTest.testNetworkPartitionNoValidatorBothWritable -
PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testConcurrentWritesDuringRecovery - PASSED{color}
* {color:#013220}IgniteCacheTestSuite19:
MultiDcRebalancingTest.testDcNodeDownNoDataLoss - PASSED{color}
... and 6 new tests
{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=9446562&buildTypeId=IgniteTests24Java8_RunAll]
{color:#ffffff}tcbot-analysis-comment chainBuildId=9446562
rerunBuildIds=none{color}
> Analyze and test the reliability of MDC historical rebalance mechanism
> ----------------------------------------------------------------------
>
> Key: IGNITE-29177
> URL: https://issues.apache.org/jira/browse/IGNITE-29177
> Project: Ignite
> Issue Type: Test
> Reporter: Egor Baranov
> Assignee: Egor Baranov
> Priority: Major
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Goal
> Analyze the reliability of the historical (WAL-based) rebalance mechanism
> in a multi-data-center (MDC) setup. Verify that data is not lost or corrupted
> under various failure scenarios: node restarts, source node loss, WAL
> truncation, concurrent writes during recovery.
> Scope
> - Strategy selection (full vs historical) under all edge cases
> - Fallback behavior when historical is impossible (WAL unavailable,
> source down)
> - Protection against data corruption on full rebalance (stale source
> exclusion)
> - Message ordering guarantees for historical supply
> - Multi-restart stability (counter recovery)
> - Cross-version compatibility
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