[LUCENE-6840] Put ord indexes of doc values on disk

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 5.4, 6.0
• Lucene Fields: New
• Assignee: Adrien Grand
• Reporter: Adrien Grand
• Created: 15/Oct/15 13:11
• Updated: 28/Aug/22 14:44
• Resolved: 27/Oct/15 20:37

Description

Currently we still load monotonic blocks into memory to map doc ids to an offset on disk. Since these data structures are usually consumed sequentially I would like to investigate putting them to disk.