Kirill Tkalenko created IGNITE-22470:
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Summary: Switch IndexMetaStorage from Vault to MetaStorage
Key: IGNITE-22470
URL: https://issues.apache.org/jira/browse/IGNITE-22470
Project: Ignite
Issue Type: Improvement
Reporter: Kirill Tkalenko
After implementing IGNITE-22367, I realized that there may be a situation when
we need index metadata locally, but it won’t be there. To avoid such situations
and maintain consistency in the presence of index metadata while it exists in
the system, we need to change the storage of index metadata from Vault to
MetaStorage.
An example scenario that might reproduce the problem:
# Node A started building an index.
# There is no transaction load.
# The low watermark has been updated and removed the version of the catalog in
which the index appeared.
# Node B entered the cluster and began applying changes from node A.
# Index construction is complete.
# The cluster has restarted.
# Node B is experiencing a disaster recovery and needs to build the index
locally.
# The version in which the index appeared on node B is missing - there will be
errors.
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