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Implement the "lookaside" memory allocation cache. Use of this cache makes

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the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
This commit is contained in:
drh
2008-07-28 19:34:53 +00:00
parent 78bd9ca86f
commit 633e6d57d9
50 changed files with 999 additions and 624 deletions
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4
src/btree.c
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.491 2008/07/19 14:25:16 danielk1977 Exp $
** $Id: btree.c,v 1.492 2008/07/28 19:34:53 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@@ -6814,7 +6814,7 @@ char *sqlite3BtreeIntegrityCheck(
nRef = sqlite3PagerRefcount(pBt->pPager);
if( lockBtreeWithRetry(p)!=SQLITE_OK ){
sqlite3BtreeLeave(p);
return sqlite3StrDup("Unable to acquire a read lock on the database");
return sqlite3DbStrDup(0, "Unable to acquire a read lock on the database");
}
sCheck.pBt = pBt;
sCheck.pPager = pBt->pPager;