Keep file open while adding its pages during merge (fixes #217)

1 files changed, 3 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
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 2018-08-04  Jay Berkenbilt  <ejb@ql.org>
 
+	* Performance fix: optimize page merging operation to avoid
+	unnecessary open/close calls on files being merged. Fixes #217.
+
 	* Add ClosedFileInputSource::stayOpen method, enabling a
 	ClosedFileInputSource to stay open during manually indicated
 	periods of high activity, thus reducing the overhead of frequent