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https://issues.apache.org/jira/browse/OAK-5465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francesco Mari resolved OAK-5465.
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Resolution: Fixed
Fixed at r1779175.
> StandbyClientSyncExecution uses an unbound segment cache
> --------------------------------------------------------
>
> Key: OAK-5465
> URL: https://issues.apache.org/jira/browse/OAK-5465
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segment-tar
> Reporter: Francesco Mari
> Assignee: Francesco Mari
> Priority: Blocker
> Fix For: 1.5.18, 1.6
>
>
> {{StandbyClientSyncExecution}} uses a cache to avoid loading a {{Segment}}
> from the primary instance if it was already loaded before. This cache is
> simply an unbounded {{HashMap}}. In case a lot of segments are written on the
> primary instance (e.g. during compaction), this cache puts too much load on
> the standby instance - possibly resulting in out-of-memory errors.
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