Michael McCandless created LUCENE-7782:
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Summary: OfflineSorter.getWriter should pass number of items it
will write
Key: LUCENE-7782
URL: https://issues.apache.org/jira/browse/LUCENE-7782
Project: Lucene - Core
Issue Type: Improvement
Reporter: Michael McCandless
Assignee: Michael McCandless
When {{OfflineSorter}} needs to write a new file, either a temp file or the
final sorted output file, it calls {{getWriter}}. There is a default impl, but
experts can override it to create their own writers.
It would be helpful to pass the total item count that will be written to this
file when calling {{getWriter}} because then the (expert) user has a little
more information which can be useful when creating the temp or final file.
It's low cost for {{OfflineSorter}} to track this.
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