[jira] [Created] (FLINK-26002) Add test coverage for native format job upgrades

["Anton Kalashnikov (Jira)" <ji...@apache.org>]

Anton Kalashnikov created FLINK-26002:
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             Summary: Add test coverage for native format job upgrades
                 Key: FLINK-26002
                 URL: https://issues.apache.org/jira/browse/FLINK-26002
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Checkpointing
    Affects Versions: 1.15.0
            Reporter: Anton Kalashnikov
            Assignee: Anton Kalashnikov
             Fix For: 1.15.0


# Initialization of job with an operator with states. 
# Do native savepoint/canonical savepoint/aligned checkpoint 
## Change job shape(new custom operator) and/or record types
## One job, with all possible network exchanges (forward, keyBy, rebalance, broadcast, random, rescale), followed by stateful operator.
## No need to modify state schema. Just validate in some way that after upgrade state is assigned to correct operators (so the state should be affecting result of the operators/functions)
## Some record type that would allow us to validate consistency of the computations
## Validating sink, checking for the consistency
## Arbitrary job upgrade. Add two new operators. A chained mapping operator and a another keyed proceeded by keyed exchange . Change record type from int to string, without changing the “logical” value of the record (for example change 1 → "1")
## Job upgrade w/o changing the graph record type: no need to test for that
# Restore from savepoint/checkpoint



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