[LUCENE-2321] use packed ints for the terms dict index

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0-ALPHA
• Fix Version/s: 4.0-ALPHA
• Component/s: core/index
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 14/Mar/10 17:36
• Updated: 10/May/13 10:42
• Resolved: 25/Mar/10 00:03

Description

Terms dict index needs to store large RAM resident arrays of ints, but, because their size is bound & variable (depending on the segment/docs), we should used packed ints for them.