epic table scans are much faster with prefetch 2 ahead. closes #1513

git-svn-id: file:///svn/toku/tokudb@9727 c7de825b-a66e-492c-adef-691d508d4ae1

epic table scans are much faster with prefetch 2 ahead. closes #1513
git-svn-id: file:///svn/toku/tokudb@9727 c7de825b-a66e-492c-adef-691d508d4ae1
62b3c90a · Rich Prohaska · Yoni Fogel · df17da8b · 62b3c90a
Commit 62b3c90a authored Apr 16, 2013 by Rich Prohaska Committed by Yoni Fogel Apr 16, 2013
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newbrt/brt.c newbrt/brt.c +1 -1

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--- a/newbrt/brt.c
+++ b/newbrt/brt.c
@@ -3337,7 +3337,7 @@ static int
 brt_search_node (BRT brt, BRTNODE node, brt_search_t *search, BRT_GET_STRADDLE_CALLBACK_FUNCTION getf, void *getf_v, enum reactivity *re, BOOL *doprefetch, BRT_CURSOR brtcursor);
 // the number of nodes to prefetch
-#define TOKU_DO_PREFETCH 1
+#define TOKU_DO_PREFETCH 2
 #if TOKU_DO_PREFETCH
 static void