Sergey Chugunov created IGNITE-9077:
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Summary: Metastorage content examination to ensure binary
compatibility
Key: IGNITE-9077
URL: https://issues.apache.org/jira/browse/IGNITE-9077
Project: Ignite
Issue Type: Task
Components: persistence
Reporter: Sergey Chugunov
Content of metastorage needs examination: all classes that get saved there
should be reviewed to make sure binary compatibility between versions.
As part of IGNITE-8857 was made a change to fix scenario of switching from
ZookeeperDiscoverySpi to TcpDiscoverySpi. This fix has broken binary
compatibility of metastorage when upgrading from 2.5 version to 2.6 version.
Work-around is to clean up metastorage of old version, start cluster of new
version and activate it back.
So all classes that go to metastorage should be reviewed to prevent getting
unexpected classes into metastorage.
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