Have you tried using something like supervisord? Or the slew of other process
launchers available for *nix.
Check brew.
I would look to that as an interim solution if the plist method remains
problematic.
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On Wed, Jul 13, 2016 at 7:44 AM -0400, "Rinaldo Digiorgio"
<rdigior...@pace.edu> wrote:
Hi,
There have been prior discussions on the list about the OS X Latency
issue. I had filed a bug here:
https://issues.apache.org/jira/browse/MESOS-5589
We have found that the root cause is starting the mesos application in
the background using a plist entry. If you launch the mesos agent from a
terminal it works fine. We have tried to get a plist (not an app) to work and
none of the documented settings in launchd remove the latency issue.
https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man5/launchd.plist.5.html
The settings we tried are:
ProcessType <string> This optional key describes, at a high level,
the intended purpose of the job. The system will apply
resource limits based on what kind of job it is. If left unspecified, the
system will apply light
resource limits to the job, throttling its CPU usage and I/O bandwidth.
The following are valid values:
Background
Background jobs are generally processes that do work that was not
directly requested by the user.
The resource limits applied to Background jobs are intended to
prevent them from disrupting the
user experience.
Standard
Standard jobs are equivalent to no ProcessType being set.
Adaptive
Adaptive jobs move between the Background and Interactive
classifications based on activity over
XPC connections. See xpc_transaction_begin(3) for details.
Interactive
Interactive jobs run with the same resource limitations as apps,
that is to say, none. Interac-tive Interactive
tive jobs are critical to maintaining a responsive user experience,
and this key should only be
used if an app's ability to be responsive depends on it, and cannot
be made Adaptive.
The mesos agent works correctly if you start it as a GUI app. This leaves an
icon on the screen. One can live with it but it is an indication of the lack of
proper documentation from apple and or utter lack of understanding of
background application on the Desktop OS known as OS X. If someone has a plist
solution please share it. It is not reasonable to start mesos agents from a
terminal session or cron, the operating system should manage startup and
shutdown.
Rinaldo
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