TieredMergePolicy should expose control over how aggressively segments with
deletions are targeted
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Key: LUCENE-3210
URL: https://issues.apache.org/jira/browse/LUCENE-3210
Project: Lucene - Java
Issue Type: Improvement
Components: core/index
Reporter: Michael McCandless
Assignee: Michael McCandless
Priority: Minor
Fix For: 3.3, 4.0
TMP today always does a linear pro-rating of a merge's score according to what
pctg of the documents are deleted; I'd like to 1) put a power factor in (score
is multiplicative), and 2) default it to stronger favoring of merging away
deletions.
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