VSZ keeps on increasing as threads created and cancelled on rhel3.0

[Måns Rullgård]

Sameer Suhas Deokule <sdeokulecluster at yahoo.com> writes:

> Hi , We are observing that even though number of threads in the
> application is the same (rhel3.0) as the application has to create
> some threads and cancel them, eventually over a period of time the VSZ
> for the app. process increases. Why does the stack for the cleanly
> cancelled thread not get reused when a new thread is created ? I would
> expect that if the number of threads in use by the application is
> constant then thread creation and cancellation should not result in
> VSZ increasing over a period of time. Memory leak testing does not
> indicate any leaks.

I used to see something similar on my machine running regular 2.6
kernels and glibc from cvs.  It stopped some time ago though.
Supposedly some bug has been fixed.

-- 
Måns Rullgård
mru at kth.se