[LUCENE-8081] Allow IndexWriter to opt out of flushing on indexing threads

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.3, 8.0
• Lucene Fields: New
• Assignee: Simon Willnauer
• Reporter: Simon Willnauer
• Created: 06/Dec/17 17:22
• Updated: 28/Aug/22 15:22
• Resolved: 07/Dec/17 15:23

Description

Today indexing / updating threads always help out flushing. Experts might want indexing threads to only help flushing if flushes are falling behind. Maybe we can allow an expert flag in IWC to opt out of this behavior.