[LUCENE-1232] Use segments generation instead of version

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 2.1, 2.2, 2.3, 2.3.1
• Fix Version/s: 2.4
• Component/s: core/index
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 14/Mar/08 09:12
• Updated: 28/Aug/22 11:48
• Resolved: 14/Mar/08 19:59

Description

Right now the segments file stores generation, a long starting with 0
that increments by 1 with each commit, and version, a long starting
with System.currentTimeMillis() that also increments by 1 with each
commit.

I think they are redundant so we can replace all methods/uses of
version with generation instead.

Spinoff from LUCENE-1228.

Issue Links

• relates to: LUCENE-1228 IndexWriter.commit() does not update the index version