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https://issues.apache.org/jira/browse/OAK-2271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Parvulescu updated OAK-2271:
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Component/s: core
> Compaction estimation time should not depend on number of checkpoints
> ---------------------------------------------------------------------
>
> Key: OAK-2271
> URL: https://issues.apache.org/jira/browse/OAK-2271
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core, segmentmk
> Reporter: Alex Parvulescu
> Assignee: Alex Parvulescu
> Labels: compaction, gc
> Fix For: 1.0.9, 1.1.3
>
> Attachments: OAK-2271.patch
>
>
> Checkpoints can be seen as unix symlinks. The compaction estimation will
> blindly follow those links when computing the set of bulk segments that are
> in-use.
> For example, when there are 1.9k checkpoints, the estimator will have to
> traverse the same repo 1.9k times to determine this set, even though it falls
> onto already traversed paths.
> This is also misleading for debugging, it all looks like it's loading
> segments while estimating.
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