I must say that I have not used DBCP extensively. I've merely been evaulating its features.
Randy --- Andy Olliver <[EMAIL PROTECTED]> wrote: > Randy > > I must apologise - I have been trying out 2 > different pooling > implementations - the 'Ewin Connection Pool', and > 'DBCP'. > Ewin always breaks on me when trying to write > serialised objects to MS SQL > Server. > DBCP does as it should with all the SQL I use, but > shows interesting > characteristics under load with MS SQL - openning > and closing 100 > connections from the pool is no faster than trying > it without the pool. With > MySQL I see a factor of x5 difference. (- data > below). > > Is there any obvious reason for this that I am > missing. > With the Ewin pool I see great speed improvements > for the same test, but run > into other problems. > > thanks > Andy Olliver > > ################## > Test: Open and Close connection x 100: > > MS SQL > without pool: 1030 ms > with pool: 1005 > driver = com.inet.tds.TdsDriver > validation query = null > > MySQL > without pool: 880 ms > with pool: 170 > driver = org.git.mm.mysql.Driver > validation query = null > similar results also with ODBC bridge. > ################## > > -----Original Message----- > From: Randy Speh [mailto:[EMAIL PROTECTED]] > Sent: 16 January 2002 18:57 > To: Jakarta Commons Developers List; > [EMAIL PROTECTED] > Subject: Re: Jdbc2pool > > > Just curious, > What do you mean when you say it doesn't support all > the SQL you are using? > > Thanks, > Randy Speh > > > --- Andy Olliver <[EMAIL PROTECTED]> wrote: > > > > Here are some small changes to the files of > > jakarta-sandbox-jdbc2pool to > > correct the old package name - I can only read > from > > CVS, so here is a zip of > > changed files. > > > > I started off using DBCP, but it doesn't seem to > > support all the SQL I am > > using, so perhaps this alternative will help. > > > > If so I will look to create the necessary factory > > classes to integrate with > > Tomcat 4 (unless someone has done this already..) > > > > I believe all classes in this project should now > > belong to: > > org.apache.commons.jdbc2pool > > not > > org.apache.commons.torque > > > > I am hoping to do some testing on this solution, > > should I be creating a test > > package: > > test.apache.commons.jdbc2pool for any usefull test > > classes? > > > > Andy > > > > > ATTACHMENT part 2 application/x-zip-compressed > name=changes.zip > > -- > > To unsubscribe, e-mail: > > > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > > __________________________________________________ > Do You Yahoo!? > Send FREE video emails in Yahoo! Mail! > http://promo.yahoo.com/videomail/ > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > __________________________________________________ Do You Yahoo!? Send FREE video emails in Yahoo! Mail! http://promo.yahoo.com/videomail/ -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
