Re: Possible points of scalibility issues

2002-02-15 Thread Berin Loritsch
Berin Loritsch wrote: > Berin Loritsch wrote: > > We have a new ThreadSafe BucketMap class that helped out tremendously. The > BucketMap synchronizes on a "bucket" or group of keys that fit the same > hash > value. BTW, I highly recommend upgrading to the BucketMap for any place you would norm

Re: Possible points of scalibility issues

2002-02-15 Thread Berin Loritsch
Berin Loritsch wrote: > Stefano Mazzocchi wrote: > >> Berin Loritsch wrote: >> >> >>> The question remains about the ECM itself yet. I haven't had time to >>> write >>> the profiling tests yet. >>> >> >> I fully trust your judgement on this. > > > > :) > > I found out that the ECM implement

Re: Possible points of scalibility issues

2002-02-15 Thread Berin Loritsch
Stefano Mazzocchi wrote: > Berin Loritsch wrote: > > >>The question remains about the ECM itself yet. I haven't had time to write >>the profiling tests yet. >> > > I fully trust your judgement on this. :) I found out that the ECM implementation has been changed, and the hashmaps backing the

Re: Possible points of scalibility issues

2002-02-15 Thread Stefano Mazzocchi
Berin Loritsch wrote: > > Berin, I spent several *months* finetuning the thread-pool code that was > > used in Apache JServ 1.0 (and is still there, used in both IBM WebSphere > > and Oracle Application Server). I remember that I got a report from > > Alcatel that they were using it with loads up

Re: Possible points of scalibility issues

2002-02-15 Thread Berin Loritsch
Berin Loritsch wrote: > giacomo wrote: > >> On Wed, 13 Feb 2002, Berin Loritsch wrote: >> >> Berin, >> >> Thanks giving us background information from Avalon land. It sounds very >> interesting and I am very curious to see Cocoon performance number with >> those new or rewritten classes. > > J

Re: Possible points of scalibility issues

2002-02-15 Thread Berin Loritsch
giacomo wrote: > On Wed, 13 Feb 2002, Berin Loritsch wrote: > > Berin, > > Thanks giving us background information from Avalon land. It sounds very > interesting and I am very curious to see Cocoon performance number with > those new or rewritten classes. I am in the process of writing a Profil

Re: Possible points of scalibility issues

2002-02-14 Thread Berin Loritsch
Stefano Mazzocchi wrote: > Berin Loritsch wrote: > >>I have been performing some performance analysis of the Avalon Excalibur code, and I >discovered >>some serious points of thread contention. In a web environment, there can be as >many as 150 >>threads (or more) if the web server uses simple

Re: Possible points of scalibility issues

2002-02-14 Thread Stefano Mazzocchi
Berin Loritsch wrote: > > I have been performing some performance analysis of the Avalon Excalibur code, and I >discovered > some serious points of thread contention. In a web environment, there can be as >many as 150 > threads (or more) if the web server uses simple thread per connection tech

Re: Possible points of scalibility issues

2002-02-13 Thread giacomo
On Wed, 13 Feb 2002, Berin Loritsch wrote: Berin, Thanks giving us background information from Avalon land. It sounds very interesting and I am very curious to see Cocoon performance number with those new or rewritten classes. Giacomo > > I have been performing some performance analysis of the

Re: Possible points of scalibility issues

2002-02-13 Thread Berin Loritsch
Vadim Gritsenko wrote: > A little bit on another (but connected) topic... > > >>From: Berin Loritsch [mailto:[EMAIL PROTECTED]] >> >>I have been performing some performance analysis of the Avalon >>Excalibur code, and I discovered >>some serious points of thread contention. In a web environmen

RE: Possible points of scalibility issues

2002-02-13 Thread Vadim Gritsenko
A little bit on another (but connected) topic... > From: Berin Loritsch [mailto:[EMAIL PROTECTED]] > > I have been performing some performance analysis of the Avalon > Excalibur code, and I discovered > some serious points of thread contention. In a web environment, > there can be as many as 1