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https://issues.apache.org/jira/browse/FLINK-33679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791458#comment-17791458
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junzhong qin edited comment on FLINK-33679 at 11/30/23 5:06 AM:
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Hi [~masteryhx] , I'm confused about the term 'LEGACY' which is commented as
'This is the mode in which Flink worked so far.' However, the default restore
mode is 'NO_CLAIM'. Perhaps the issue title is misleading.
was (Author: easonqin):
Hi [~masteryhx] , I confused with LEGACY which commented as "This is the mode
in which Flink worked so far." But the default restore mode is "NO_CLAIM".
> RestoreMode uses NO_CLAIM as default instead of LEGACY
> ------------------------------------------------------
>
> Key: FLINK-33679
> URL: https://issues.apache.org/jira/browse/FLINK-33679
> Project: Flink
> Issue Type: Improvement
> Components: Documentation, Runtime / State Backends
> Reporter: junzhong qin
> Priority: Minor
>
> RestoreMode uses NO_CLAIM as default instead of LEGACY.
> {code:java}
> public enum RestoreMode implements DescribedEnum {
> CLAIM(
> "Flink will take ownership of the given snapshot. It will clean
> the"
> + " snapshot once it is subsumed by newer ones."),
> NO_CLAIM(
> "Flink will not claim ownership of the snapshot files. However it
> will make sure it"
> + " does not depend on any artefacts from the restored
> snapshot. In order to do that,"
> + " Flink will take the first checkpoint as a full one,
> which means it might"
> + " reupload/duplicate files that are part of the
> restored checkpoint."),
> LEGACY(
> "This is the mode in which Flink worked so far. It will not claim
> ownership of the"
> + " snapshot and will not delete the files. However, it
> can directly depend on"
> + " the existence of the files of the restored
> checkpoint. It might not be safe"
> + " to delete checkpoints that were restored in legacy
> mode ");
> private final String description;
> RestoreMode(String description) {
> this.description = description;
> }
> @Override
> @Internal
> public InlineElement getDescription() {
> return text(description);
> }
> public static final RestoreMode DEFAULT = NO_CLAIM;
> } {code}
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