Roman Puchkovskiy created IGNITE-26101:
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Summary: Add Metastore compatibility tests before/after MG repair
Key: IGNITE-26101
URL: https://issues.apache.org/jira/browse/IGNITE-26101
Project: Ignite
Issue Type: Improvement
Reporter: Roman Puchkovskiy
Legend: v1 is original version (3.0), v2 is current version (version from main
branch).
It is supposed that data is written in v1, then the Metastore storage is
flushed and the node is stopped, its binary is replaced with v2, the node is
started.
We must test the following scenarios:
# Reapplication of a log (written in v1) on v2 goes correctly. We could do the
following:
## Make sure the v1 log is complete (no prefix truncation happens)
## Clean the Metastore storage while the node is offline
## Start on v2 and make sure the Metastore recovers after node recovery (we
can verify this by triggering a rebalance and making sure it finishes correctly)
# Application of a log (written on v1) by a leader on v2 to another node (a
learner) also on v2 goes correctly. We might need the following to test this:
## Make sure the v1 log is complete (no prefix truncation happens)
## Originally, while on v1, have just 1 node in the cluster
## After we start on v2, join one more node (on v2)
## Wait for replication to finish
## Verify the Metastore got replicated correctly
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