Re: performance slowdown for 100,000 users, all with same PSML

2004-11-15 Thread David Sean Taylor
Hi Dan, Try having zero portlets on the default page, and see if it makes a difference... Then start adding your portlets in and see where the bottleneck starts. Dan Moore wrote: Hi folks, I have an application I'm building on top of Jetspeed 1.5--I just grabbed the WAR from portals.apache.org.

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-15 Thread Youssef Mohammed
I think it has nothing to do with the portlets since the only changes he (Dan) made was the number of users. I suggest to do some profiling (both IBM and Oracle stuff can help ) to the jetspped instance to see what is going on. I used to work on J1 last year and I did found some scalability issues

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-16 Thread David Sean Taylor
Youssef Mohammed wrote: I think it has nothing to do with the portlets since the only changes he (Dan) made was the number of users. I suggest to do some profiling (both IBM and Oracle stuff can help ) to the jetspped instance to see what is going on. I used to work on J1 last year and I did found

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-16 Thread Jun Yang
David Sean Taylor wrote: Youssef Mohammed wrote: I think it has nothing to do with the portlets since the only changes he (Dan) made was the number of users. I suggest to do some profiling (both IBM and Oracle stuff can help ) to the jetspped instance to see what is going on. I used to work on J1 l

RE: performance slowdown for 100,000 users, all with same PSML

2004-11-16 Thread Antonio Saade Hazin
Hi: I don't know about J1 scalability issues, but HSQL does. Could the DB (in a slow computer and a JVM not optimized for memory) be the problem in this case? "HyperSonic (HSQLDB): (...) Hypersonic was originally designed as an in-memory database; as a result, operations performed on tables

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-17 Thread Youssef Mohammed
I don't mind at all :) On Tue, 16 Nov 2004 16:00:00 -0800, David Sean Taylor <[EMAIL PROTECTED]> wrote: > Youssef Mohammed wrote: > > I think it has nothing to do with the portlets since the only changes > > he (Dan) made was the number of users. > > I suggest to do some profiling (both IBM and

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-17 Thread Dan Moore
Well folks, we found the issue with the 100,000 users problem. I used p6spy to grab all the SQL statements going to the database, and we saw this: 1099788107943|13|1|statement||SELECT TURBINE_USER.USER_ID, TURBINE_USER.LOGIN_NA ME, TURBINE_USER.PASSWORD_VALUE, TURBINE_USER.FIRST_NAME, TURBINE_U

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-17 Thread Youssef Mohammed
Glad that u solved your problem. I also wonder if anyone has explanation of what happened to Dan and other solution without turning the SecuirtyAccessControl off. On Wed, 17 Nov 2004 08:58:46 -0800 (PST), Dan Moore <[EMAIL PROTECTED]> wrote: > Well folks, we found the issue with the 100,000 users

Re: performance slowdown for 100,000 users, all with same PSML

2004-11-17 Thread Michael Rothrock
I can verify that I saw this behavior on PostgreSQL back on 1.4, so I suspect it's not DB dependant. I use a custom authentication class and do my own caching, so never really pursued it. (And, in fact, forgot about it until this message jogged my memory.) -- Michael On 11/17/04 8:58 AM, "Dan