On Tue, 2003-09-16 at 06:19, Robert Leland wrote: > Bjørn T Johansen wrote: > > >On Tue, 2003-09-16 at 04:12, Robert Leland wrote: > > > > > > > >>Bjørn T Johansen wrote: > >> > >> > >> > >>>I am testing file upload using Struts and FormFile but the upload seems > >>>really slow. Uploading a 1,5MB file takes about 15-20 sec. and I am > >>>running both the server and the browser on the same PC. Is this normal > >>>or should the upload be faster? > >>> > >>> > >>> > >>> > >>Your upload will be slower all on one machine as opposed to going across > >>a fast LAN. > >>However, that does seem slow. I have uploaded a 650MB file in about 7 > >>minutes across a LAN. > >>650MB/7 minutes =~ 1.5 MB/sec. > >>Are you using Strust 1.1 and the default fileupload implementation which > >>is commons-fileupload ? > >>What browser, How much free RAM, CPU etc.. > >> > >> > >> > > > >Yes, I am using Struts 1.1 and the default upload in commons-fileupload. > >The hw I am running on is a 2.4GHz PC with 1GB memory, with at least > >half of it free.. The browser I tried the upload with was Mozilla.. > > > > > > What does your CPU utilization look like ? > What does your (physical/virtual) memory utilization look like, what % > is available ? > Is it high, low, which process is taking the most CPU/memory ? > How many process are running in your JVM(s) and what are the JVM virtual > memory settings at startup. > Usually there is a setting something like -Xm256 for java.exe are you > setting this ? > Look at the docs for java.exe for the exact options, then try increasing > say by 50% and see if > it helps, or crashes your machine because windows doesn't have enough > Virtual memory to give to the > JVM. Then you increase Windows virtual memory if needed. > > Also note that if Mozilla is like Netscape then it makes a copy of the > file before beginning sending it. > The temp file is either under C:\temp or C:\Documents and > Settings\User\Local Settings\Temp. > If it make the copy fairly quickly, less than 1 second, then look at your
Well, I am running this on Linux and the load is almost 0, so it's not a question of the load on my computer.. But I'll try increasing the memory given to the Java VM when I get home tonight and also try another browser.... BTJ
