From e65ddf3fc36e086c3209835584bb71a5abc73247 Mon Sep 17 00:00:00 2001 From: "monty@mashka.mysql.fi" <> Date: Wed, 20 Nov 2002 22:56:57 +0200 Subject: Try to optimize the cache buffer size needed for bulk_insert Fix for shutdown on Mac OS X --- mysys/tree.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'mysys/tree.c') diff --git a/mysys/tree.c b/mysys/tree.c index 2ac2c88fd66..ea5cf79f084 100644 --- a/mysys/tree.c +++ b/mysys/tree.c @@ -45,7 +45,8 @@ #define BLACK 1 #define RED 0 -#define DEFAULT_ALLOC_SIZE (8192-MALLOC_OVERHEAD) +#define DEFAULT_ALLOC_SIZE 8192 +#define DEFAULT_ALIGN_SIZE 8192 static void delete_tree_element(TREE *,TREE_ELEMENT *); static int tree_walk_left_root_right(TREE *,TREE_ELEMENT *, @@ -72,8 +73,9 @@ void init_tree(TREE *tree, uint default_alloc_size, uint memory_limit, DBUG_ENTER("init_tree"); DBUG_PRINT("enter",("tree: %lx size: %d",tree,size)); - if (!default_alloc_size) - default_alloc_size= DEFAULT_ALLOC_SIZE; + if (default_alloc_size < DEFAULT_ALLOC_SIZE) + default_alloc_size= DEFAULT_ALLOC_SIZE; + default_alloc_size= MY_ALIGN(default_alloc_size, DEFAULT_ALIGN_SIZE); bzero((gptr) &tree->null_element,sizeof(tree->null_element)); tree->root= &tree->null_element; tree->compare=compare; -- cgit v1.2.1