Buffered deletes are not flushed by RAM or count
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Key: LUCENE-3340
URL: https://issues.apache.org/jira/browse/LUCENE-3340
Project: Lucene - Java
Issue Type: Bug
Components: core/index
Affects Versions: 4.0
Reporter: Michael McCandless
Fix For: 4.0
When a segment is flushed, we will generally NOT flush the deletes, ie we
simply buffer up the pending delete terms/queries, and the only apply them if
1) a segment is going to be merged (so we can remove the del docs in that
segment), or 2) the buffered deletes' RAM exceeds 1/2 of IW's RAM limit when we
are flushing a segment, or 3) the buffered deletes count exceeds IWC's
maxBufferedDeleteTerms.
But the latter 2 triggers are currently broken on trunk; I suspect (but I'm not
sure) when we landed DWPT we introduced this bug.
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