Igor Seliverstov created IGNITE-9538:
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Summary: MVCC TX: Send partition update counters to backup nodes
on prepare state.
Key: IGNITE-9538
URL: https://issues.apache.org/jira/browse/IGNITE-9538
Project: Ignite
Issue Type: Task
Components: cache, mvcc
Reporter: Igor Seliverstov
Assignee: Igor Seliverstov
Fix For: 2.7
There are several issues with partition update counters consistency in
transactional caches. The next approach solves most of them:
# Count per-partition updates
# on prepare state on primary node update current partition counter
incrementing it by per-partition updates count and send initial value with
updates count to backup nodes
# on backup nodes hold all pending updates and update partition update counter
applying the lowest gapless update (on tx finish).
# on historical rebalance use partition update counter as start point.
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