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Re: [HTCondor-users] why does htcondor change sysctl params, and why is this done outside of /etc/sysctl.{d, conf} ?

On 1/14/16 6:06 AM, SCHAER Frederic wrote:
> If htcondor wants to modify such  system settings, could this please
> be done in a reversible/documented/standard way ? What's the
> rationale for setting this so high ?

Because using the sysctl command is the standard way to tune the kernel
on UNIX and UNIX-like systems.

/etc/sysctl.d is a Debianism; it does not exist on RHEL and its
derivatives, nor are you likely to find it on BSD and BSD-ish systems --
but you will find it on Debian kFreeBSD. /etc/sysctl.conf is more common
but it is not universal; Macintosh has neither sysctl.conf nor sysctl.d.

The sysctl command is something you will find on nearly every UNIX and
UNIX-like system you are likely to encounter. This makes it the defacto


LSB will never adopt Debian's suggestions or implement Debian's
requests. Debian is not a member company, thus provides no or negligible
funding, thus ignored. As of September last year Debian formally dropped
active LSB support and Debian derivatives are following suit so there
will be no more requests or suggestions being made by that family of

Rich Pieri <ratinox@xxxxxxx>
MIT Laboratory for Nuclear Science