Roman Kondakov created IGNITE-8841:
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Summary: MVCC TX: Read transactions remap when coordinator fails.
Key: IGNITE-8841
URL: https://issues.apache.org/jira/browse/IGNITE-8841
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Roman Kondakov
At the moment all read transactions are forcibly rolled back during coordinator
change. It would be nice to remap it somehow until they locked a topology. For
example, it is possible to obtain a new "write" mvcc version from the new
coordinator and use this version for all further writes while using "old"
version for reads. In this case we need to change visibility rules a little:
"old" version should see "own" updates made by "new" "write" version.
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