Creating this many appenders is troublesome also for any operating system because the number of open (file) handles is limited. A little bit old anf thus possibly outdated but still provides insights into windows specific details and highlights some corner stones for orientation:
https://blogs.technet.microsoft.com/markrussinovich/2009/09/29/pushing-the-limits-of-windows-handles/ -- Dominik Psenner On Sat, Jun 29, 2019, 12:00 Jochen Wiedmann <jochen.wiedm...@gmail.com> wrote: > You are creating millions of loggers? Meaning either of > > - I have a million different logger Id's, and create a logger for > every single one, or > - I have a limited number of different logger Id's, but invoke > LoggerContext.getLogger(String), or > LogManager.getLogger(String), or something similar, with the same > id's, over and over again? > > Whatever, but whyever do you need millions of Appenders? > > Jochen > > On Thu, Jun 27, 2019 at 8:38 PM Gaurav <gaurav9...@gmail.com> wrote: > > > > I am creating millions of loggers. As, the logger is requested at > runtime, I cannot store the configuration in the static log4j2.xml. So, I > create a rolling file appender and attach it to a logger. > > > > On 2019/06/27 13:14:28, Ralph Goers <ralph.go...@dslextreme.com> wrote: > > > You are creating millions of Loggers or millions of LoggerConfigs? > What you are doing is incomplete. But why would you be dynamically creating > millions of Loggers and Appenders? Whatever you are doing I am sure there > is a better way to do it. Can you please describe your use case and why you > think what you are doing solves it? > > > > > > Ralph > > > > > > > On Jun 27, 2019, at 5:28 AM, Gaurav <gaurav9...@gmail.com> wrote: > > > > > > > > Hi all, > > > > > > > > My application creates millions of loggers and appenders. > > > > > > > > I'm worried about the memory usage. > > > > > > > > For that, I am doing following things. > > > > 1.Remove appender from LoggerConfig. > > > > 2.Stop the LoggerConfig. > > > > 3. Remove logger from Configuration. > > > > > > > > But when I do the performance test, it prints the errors on console > that "Attempted to append to non-started appender". > > > > > > > > Do I need to clear them like this? Is there any better way to do it > in a performance intensive application? > > > > > > > > Please assist. > > > > > > > > > > > > > >
