[OAK-2595] High memory consumption of CompactionGainEstimate

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.13, 1.1.8
• Component/s: segmentmk
• Labels: compaction gc
• Assignee: Michael Dürig
• Reporter: Michael Dürig
• Created: 09/Mar/15 15:43
• Updated: 27/Apr/15 11:51
• Resolved: 09/Mar/15 16:45

Description

CompactionGainEstimate keeps a set for the visited record ids. Each entry in that set is represented by an instance of ThinRecordId. For big repositories the instance overhead lead to OOME while running the compaction estimator.