Simon Willnauer created LUCENE-8246:
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Summary: Allow to customize the number of deletes a merge claims
Key: LUCENE-8246
URL: https://issues.apache.org/jira/browse/LUCENE-8246
Project: Lucene - Core
Issue Type: Improvement
Affects Versions: 7.4, master (8.0)
Reporter: Simon Willnauer
Fix For: 7.4, master (8.0)
With the introduction of soft deletes no every merge claims all documents that
are marked as deleted in the segment readers. MergePolicies still need to do
accurate accounting in order to select segments for merging and need to decide
if segments are merged. This chance allows the merge policy to customize the
number of deletes a merge of a segment claims.
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