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https://issues.apache.org/jira/browse/FLINK-22256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342689#comment-17342689
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Till Rohrmann commented on FLINK-22256:
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We want to be able to say what properties a savepoint/checkpoint has when
looking at the savepoint/checkpoint from the user's perspective. One idea could
be to look at the metadata file. The interesting properties at the moment are
whether it is a full checkpoint or an incremental checkpoint. Moreover, in case
it is an incremental checkpoint, it would be great to be able to delete the
checkpoint data w/o having to start Flink. At the moment an incremental
checkpoint consists of the shared parts and the checkpoint specific parts.
> Persist checkpoint type information
> -----------------------------------
>
> Key: FLINK-22256
> URL: https://issues.apache.org/jira/browse/FLINK-22256
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Checkpointing
> Reporter: Fabian Paul
> Priority: Major
>
> As a user, it is retrospectively difficult to determine what kind of
> checkpoint (i.e. incremental, unaligned, ...) was performed when looking only
> at the persisted checkpoint metadata.
> The only way would be to look into the execution configuration of the job
> which might not be available anymore and can be scattered across the
> application code and cluster configuration.
> It would be highly beneficial if such information would be part of the
> persisted metadata to not track these external pointers.
> It would also be great to persist the metadata information in a standardized
> format so that external projects don't need to use Flink's metadata
> serializers to access it.
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