[LUCENE-2870] if a segment is 100% deletions, we should just drop it

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 3.1, 4.0-ALPHA
• Component/s: core/index
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Michael McCandless
• Created: 14/Jan/11 17:32
• Updated: 28/Aug/22 12:39
• Resolved: 14/Jan/11 18:21

Description

I think in IndexWriter if the delCount ever == maxDoc() for a segment we should just drop it?

We don't, today, and so we force it to be merged, which is silly.

I won't have time for this any time soon so if someone wants to take it, please do!! Should be simple.