Simon Willnauer created LUCENE-4022:
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Summary: Offline Sorter wrongly uses MIN_BUFFER_SIZE if there is
more memory available
Key: LUCENE-4022
URL: https://issues.apache.org/jira/browse/LUCENE-4022
Project: Lucene - Java
Issue Type: Bug
Components: modules/spellchecker
Affects Versions: 3.6, 4.0
Reporter: Simon Willnauer
Fix For: 4.0, 3.6.1
The Sorter we use for offline sorting seems to use the MIN_BUFFER_SIZE as a
upper bound even if there is more memory available. See this snippet:
{code}
long half = free/2;
if (half >= ABSOLUTE_MIN_SORT_BUFFER_SIZE) {
return new BufferSize(Math.min(MIN_BUFFER_SIZE_MB * MB, half));
}
// by max mem (heap will grow)
half = (max - total) / 2;
return new BufferSize(Math.min(MIN_BUFFER_SIZE_MB * MB, half));
{code}
use use use Math.max instead of min here.
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