ID: 12389
Updated by: kalowsky
Reported By: [EMAIL PROTECTED]
Old Status: Open
Status: Closed
Bug Type: ODBC related
Operating System: SuSe 7.1
PHP Version: 4.0.6
New Comment:

patch submitted (took long enough, eh?).  Please test latest cvs


Previous Comments:
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[2001-07-26 02:02:53] [EMAIL PROTECTED]

calling odbc_free_memory frequently causes a delay of 0.3 secs when
using ibm db2 udb v7.1 (FP2)
when i do not use odbc_free_memory between calls of odbc_exec, then
submitting the query takes about 0.3 secs longer or returning from a
function which called odbc_exec causes the delay.

the time delay seems to be dependent on system memory, because with
384MB (and a single processor system) it is much less then with 1GB
(and a dual processor system)

the same application using a mysql-database (which is identically to
the db2-database) does not suffer any performance problems (and takes
some 1/100 secs for the same queries), so i think the problem may be in
the unified odbc-functions.
maybe this is related to the memory leak problem reported before, but i
thought this should be solved in 4.0.6

i applied the limit-memory-patch and configured php-4.0.6 with:
./configure '--enable-safe-mode' '--enable-sysvsem' '--enable-sysvshm'
'--enable-trans-sid' '--enable-magic-quotes' '--enable-memory-limit'
'--with-ttf' '--with-imap' '--with-gd=yes' '--enable-yp'
'--with-jpeg-dir=/usr' '--with-tiff-dir=/usr'
'--with-config-file-path=/etc/httpd' '--with-apxs=/usr/sbin/apxs -ltiff
-lnsl -lpdf -ljpeg' '--with-exec-dir=/usr/lib/apache/bin'
--with-openssl --with-mcrypt '--with-ibm-db2=/home/db2inst1/sqllib'
--disable-debug

additionally i use a compiled version of the php-scripts, with the zend
optimizer 1.1.0, but without compiling the scripts, the problem still
persists.

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Edit this bug report at http://bugs.php.net/?id=12389&edit=1


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