[LUCENE-1726] IndexWriter.readerPool create new segmentReader outside of sync block

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Won't Fix
• Affects Version/s: 2.4.1
• Fix Version/s: 4.0-ALPHA
• Component/s: core/index
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Jason Rutherglen
• Created: 30/Jun/09 22:23
• Updated: 28/Aug/22 12:03
• Resolved: 24/Jan/11 21:35

Description

I think we will want to do something like what field cache does
with CreationPlaceholder for IndexWriter.readerPool. Otherwise
we have the (I think somewhat problematic) issue of all other
readerPool.get* methods waiting for an SR to warm.

It would be good to implement this for 2.9.