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Full Discussion: Increase maxuproc value
Operating Systems Linux Red Hat Increase maxuproc value Post 302930515 by rbatte1 on Monday 5th of January 2015 08:18:44 AM
Old 01-05-2015
Hello Phuti,

It would be better to know why you have reached the limit rather than just increasing it. How have you set this limit so far, or is it the default? How many processes do you have, and why do you think you have run out?

My main concern is that something has gone into a loop and is generating processes all the time, so if increasing the limit without a boot is possible, then you will just have the problem growing. The limit is there to try to protect your system from something going wrong.

Has something recently changed for this server, e.g. has it now become production and therefore it's under untested load perhaps?

I think that the value can only be set at boot time, so it might be (I'd need to check) an update to the configuration, a kernel build and a boot to bring it in. If it was Solaris then i think it's simply a file update, but again a boot to bring it in. I think that AIX has them all set to maximum anyway.


If you can elaborate a little more, then we might be able to find a better solution.



Kind regards,
Robin
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Tcl_SetRecursionLimit(3)				      Tcl Library Procedures					  Tcl_SetRecursionLimit(3)

__________________________________________________________________________________________________________________________________________________

NAME
Tcl_SetRecursionLimit - set maximum allowable nesting depth in interpreter SYNOPSIS
#include <tcl.h> int Tcl_SetRecursionLimit(interp, depth) ARGUMENTS
Tcl_Interp *interp (in) Interpreter whose recursion limit is to be set. Must be greater than zero. int depth (in) New limit for nested calls to Tcl_Eval for interp. _________________________________________________________________ DESCRIPTION
At any given time Tcl enforces a limit on the number of recursive calls that may be active for Tcl_Eval and related procedures such as Tcl_GlobalEval. Any call to Tcl_Eval that exceeds this depth is aborted with an error. By default the recursion limit is 1000. Tcl_SetRecursionLimit may be used to change the maximum allowable nesting depth for an interpreter. The depth argument specifies a new limit for interp, and Tcl_SetRecursionLimit returns the old limit. To read out the old limit without modifying it, invoke Tcl_SetRecur- sionLimit with depth equal to 0. The Tcl_SetRecursionLimit only sets the size of the Tcl call stack: it cannot by itself prevent stack overflows on the C stack being used by the application. If your machine has a limit on the size of the C stack, you may get stack overflows before reaching the limit set by Tcl_SetRecursionLimit. If this happens, see if there is a mechanism in your system for increasing the maximum size of the C stack. KEYWORDS
nesting depth, recursion Tcl 7.0 Tcl_SetRecursionLimit(3)
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