[LUCENE-2471] Supporting bulk copies in Directory

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 4.9, 6.0
• Component/s: core/store
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Earwin Burrfoot
• Created: 19/May/10 18:55
• Updated: 28/Aug/22 12:26

Description

A method can be added to IndexOutput that accepts IndexInput, and writes bytes using it as a source.
This should be used for bulk-merge cases (offhand - norms, docstores?). Some Directories can then override default impl and skip intermediate buffers (NIO, MMap, RAM?).