[LUCENE-750] don't use finalizers for FSIndexInput clones

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1
• Component/s: core/search
• Lucene Fields: New
• Assignee: Yonik Seeley
• Reporter: Yonik Seeley
• Created: 15/Dec/06 16:11
• Updated: 28/Aug/22 11:33
• Resolved: 19/Dec/06 21:49

Description

finalizers are expensive, and we should avoid using them where possible.
It looks like this helped to tickle some kind of bug (looks like a JVM bug?)
http://www.nabble.com/15-minute-hang-in-IndexInput.clone%28%29-involving-finalizers-tf2826906.html#a7891015