Roman Kondakov created IGNITE-8371:
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Summary: MVCC TX: Force key request during rebalance may cause
error on backups.
Key: IGNITE-8371
URL: https://issues.apache.org/jira/browse/IGNITE-8371
Project: Ignite
Issue Type: Bug
Components: sql
Reporter: Roman Kondakov
When backup is updating during rebalance and the key to be updated in TX is not
supplied yet from the previous partition owner, backup makes force key request
in order to obtain this key and all its versions. But later this key can be
send to this backup from the previous owner once again as a part of standard
rebalance process. And this causes write conflict: we have to write this key on
the backup once again.
Solution: do not update key when it has already been written before (during
rebalance or force key request process).
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