How to increase max file size for uploading

hi i have a form that uploads a file and save it in a database..my problem is when it exceeds 2MB it doesnt save in my database. the page doesnt show any error also.

i use multipartrequest..here is multipartrequest...

MultipartRequest multi=new MultipartRequest(request,"/var/www/myuploads/",1000*1024,new com.oreilly.servlet.multipart.DefaultFileRenamePolicy());

my application server in tomcat, and my database in mysql..

do i need to set something in tomcat to increase the file size that i can upload?

i need help asap..thanks in advance.

[672 byte] By [rinoa_fftsya] at [2007-11-26 23:41:59]