Vladimir Ozerov created IGNITE-7806:
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Summary: SQL TX: Backup update protocol
Key: IGNITE-7806
URL: https://issues.apache.org/jira/browse/IGNITE-7806
Project: Ignite
Issue Type: Task
Components: cache, sql
Reporter: Vladimir Ozerov
Currently TX SQL protocol works as follows:
1) Lock request is sent to {{PRIMARY}} node where updates are applied
immediately.
2) Updated values are stored in-memory
3) When commit command is issued, updates are propagated to {{BACKUP}}s.
This requires data to be stored in memory at some point. We should design
better protocol which will allow for updates to be propagated to backups
efficiently.
Ticket is related (or may be even duplicates) to IGNITE-7186.
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