From: drh <drh@noemail.net>
Date: Sat, 14 Apr 2007 12:04:39 +0000 (+0000)
Subject: Update the whentouse.html document to mention that less bitmap memory
X-Git-Tag: version-3.6.10~2327
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9e4e6e502f91f629fc09200ff06bdce40381b6dc;p=thirdparty%2Fsqlite.git

Update the whentouse.html document to mention that less bitmap memory
is used for larger page sizes. (CVS 3843)

FossilOrigin-Name: 2c8e2a5be34cdfe11ef22bd6f78ec0519f497392
---

diff --git a/manifest b/manifest
index 38a871e2ee..59ec2cac17 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Match\sORDER\sBY\sterms\sto\scolumns\susing\snames\sin\scompound\squeries.\s\sMake\ssure\nthis\sworks\sfor\ssubqueries,\sespecially\sin\sthe\sright-hand\sside\sof\san\sIN\noperator.\sTicket\s#2296.\s(CVS\s3842)
-D 2007-04-13T16:06:33
+C Update\sthe\swhentouse.html\sdocument\sto\smention\sthat\sless\sbitmap\smemory\nis\sused\sfor\slarger\spage\ssizes.\s(CVS\s3843)
+D 2007-04-14T12:04:39
 F Makefile.in 8cab54f7c9f5af8f22fd97ddf1ecfd1e1860de62
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -457,8 +457,8 @@ F www/table-ex1b2.gif a588d21a2d88bb2a2ef0431fcc5ed5aa48c0bbc5
 F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
-F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P e39efa195a28f1cd7431b0811bd908dc7af3c8b1
-R b434a64adc5cd5e0bdd07ca7975fa65b
+F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
+P cfc6f933dc60ca88ae848f7f0c402e820437c2ff
+R 28caddcdc5058b3369c1c52b75efe638
 U drh
-Z 8bca189cccc6e2802e95c88c94744665
+Z 5805ea2bb38918a004e8fa50c9627a61
diff --git a/manifest.uuid b/manifest.uuid
index 99eda3ad82..a0c9a728d9 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-cfc6f933dc60ca88ae848f7f0c402e820437c2ff
\ No newline at end of file
+2c8e2a5be34cdfe11ef22bd6f78ec0519f497392
\ No newline at end of file
diff --git a/www/whentouse.tcl b/www/whentouse.tcl
index 54891c3632..bb4378baee 100644
--- a/www/whentouse.tcl
+++ b/www/whentouse.tcl
@@ -1,7 +1,7 @@
 #
 # Run this TCL script to generate HTML for the goals.html file.
 #
-set rcsid {$Id: whentouse.tcl,v 1.6 2005/08/16 14:44:49 drh Exp $}
+set rcsid {$Id: whentouse.tcl,v 1.7 2007/04/14 12:04:39 drh Exp $}
 source common.tcl
 header {Appropriate Uses For SQLite}
 
@@ -221,7 +221,9 @@ engine instead of SQLite.</p>
 before any write operation that is not within an explicit BEGIN...COMMIT)
 the engine has to allocate a bitmap of dirty pages in the disk file to
 help it manage its rollback journal.  SQLite needs 256 bytes of RAM for
-every 1MB of database.  For smaller databases, the amount of memory
+every 1MiB of database (assuming a 1024-byte page size: less memory is
+used with larger page sizes, of course).  
+For smaller databases, the amount of memory
 required is not a problem, but when database begin to grow into the
 multi-gigabyte range, the size of the bitmap can get quite large.  If
 you need to store and modify more than a few dozen GB of data, you should