Roman Khachatryan created FLINK-23251:
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Summary: Support more than one retained checkpoints
Key: FLINK-23251
URL: https://issues.apache.org/jira/browse/FLINK-23251
Project: Flink
Issue Type: Sub-task
Components: Runtime / State Backends
Reporter: Roman Khachatryan
Fix For: 1.14.0
FLINK-23139 should add private state management capabilities to TM. It does not
consider multiple retained checkpoints.
>From the offline discussions, there seem to be three options:
# pass all num-retained snapshots from JM to TM on recovery (and increase
counts accordingly)
# do ref count on JM on recovery and send these counts to TM
# store counts externally (so JM is not involved)
Option 1 seems preferrable.
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