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https://issues.apache.org/jira/browse/JCR-2051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694495#action_12694495
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Marcel Reutegger commented on JCR-2051:
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Here's my proposal for an implementation:
- have a map that references (hard or weak) all transient item states
- keep hard references to N most recently used item states
- if item state drops out of most recently used map turn its reference into a
weak one and swap out the item state
- on request of an item state, either return the hard referenced item state or
resolve the weak reference into an item state read from disk
> Disk based transient space
> --------------------------
>
> Key: JCR-2051
> URL: https://issues.apache.org/jira/browse/JCR-2051
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core
> Reporter: Marcel Reutegger
> Priority: Minor
>
> Currently the transient space in jackrabbit-core is held completely in
> memory. This limits the number of items that can be part of a save call. The
> memory usage for the transient space should be lowered significantly, e.g. by
> writing item states to a swap file on a disk.
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