RE: Management philosophies in regards to MaxThreads and limit on openfile descriptors

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Andrew Feller [mailto:afelle1@lsu.edu]
> Subject: Management philosophies in regards to MaxThreads and
> limit on openfile descriptors
>
> 1. Are there any general philosophies to tuning Tomcat to support
>    a high number of maxThreads (1000+)?

Use 64-bit hardware, OS, and JVM.

> 2. Is there any rule of thumb for determining the appropriate number
>    of open file descriptors?

That's completely application dependent.

> 3. What costs are associated with granting higher amounts of open
>    file descriptors?

Mostly the virtual memory for the process, which is why you likely will need a 64-bit environment.

 - Chuck


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