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 Posted: Tue Jun 08, 2010 8:02 am |
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Guest
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Rickard Green <rickard@erlang.org> wrote:
rg> It seems reasonable to add a configuration parameter for this.
rg> However: [...]
Assuming I followed instructions correctly, version 2 of this new config
knob should be available via:
git fetch git://github.com/slfritchie/otp.git erts_de_busy_limit
Add flag-based setting for 'erts_de_busy_limit' constant
A prior patch to change the 'erts_de_busy_limit' constant, based on an
environment variable, was rejected by the Ericsson OTP team because
environment variables are no longer used for modifying the VM's
behavior.
Families of flags like "+s" are devoted to the scheduler (except for
"+sss"), but it wasn't obvious to me where a "+"-style flag for
'erts_de_busy_limit' should go. So, this patch creates a new family
of flags, prefixed with "+z", for miscellaneous VM settings.
The full flag name is "+zerts_de_busy_limit", which goes against the
tradition of using "+Qmbl" for adjusting some kind of "mumble mumble"
value but "mumble mumble" is obviously too long to be useful. If
"+zerts_de_busy_limit" is too long, then I'll leave it to the OTP team
to create a tradition-fitting, impossible-to-remember abbreviation to
use instead.
I don't a functional Java compiler with the suitable Java compliance
level, so compiling & running the test suite isn't an option for me
yet. I've made the attempt to write a test, but I haven't executed it
to know if it works. erlang:system_info(erts_de_busy_limit) was added
to make a unit test possible.
The documentation changes are terse but present. Given the lack of
Java above, my doc-building toolchain is broken, so I don't know if
the formatting is correct, sorry.
-Scott
________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
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| Guest |
| Posted: Tue Jun 08, 2010 8:03 am |
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Guest
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Rickard Green <rickard@erlang.org> wrote:
rg> It seems reasonable to add a configuration parameter for this.
rg> However: [...]
Assuming I followed instructions correctly, version 2 of this new config
knob should be available via:
git fetch git://github.com/slfritchie/otp.git erts_de_busy_limit
Add flag-based setting for 'erts_de_busy_limit' constant
A prior patch to change the 'erts_de_busy_limit' constant, based on an
environment variable, was rejected by the Ericsson OTP team because
environment variables are no longer used for modifying the VM's
behavior.
Families of flags like "+s" are devoted to the scheduler (except for
"+sss"), but it wasn't obvious to me where a "+"-style flag for
'erts_de_busy_limit' should go. So, this patch creates a new family
of flags, prefixed with "+z", for miscellaneous VM settings.
The full flag name is "+zerts_de_busy_limit", which goes against the
tradition of using "+Qmbl" for adjusting some kind of "mumble mumble"
value but "mumble mumble" is obviously too long to be useful. If
"+zerts_de_busy_limit" is too long, then I'll leave it to the OTP team
to create a tradition-fitting, impossible-to-remember abbreviation to
use instead.
I don't a functional Java compiler with the suitable Java compliance
level, so compiling & running the test suite isn't an option for me
yet. I've made the attempt to write a test, but I haven't executed it
to know if it works. erlang:system_info(erts_de_busy_limit) was added
to make a unit test possible.
The documentation changes are terse but present. Given the lack of
Java above, my doc-building toolchain is broken, so I don't know if
the formatting is correct, sorry.
-Scott
________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org
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| Guest |
| Posted: Tue Jun 08, 2010 8:34 am |
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On Tue, Jun 08, 2010 at 03:01:16AM -0500, Scott Lystig Fritchie wrote:
> Rickard Green <rickard@erlang.org> wrote:
>
> rg> It seems reasonable to add a configuration parameter for this.
> rg> However: [...]
>
> Assuming I followed instructions correctly, version 2 of this new config
> knob should be available via:
>
> git fetch git://github.com/slfritchie/otp.git erts_de_busy_limit
Thank you. Will be included in 'pu', but probably after the release.
>
> Add flag-based setting for 'erts_de_busy_limit' constant
>
> A prior patch to change the 'erts_de_busy_limit' constant, based on an
> environment variable, was rejected by the Ericsson OTP team because
> environment variables are no longer used for modifying the VM's
> behavior.
>
> Families of flags like "+s" are devoted to the scheduler (except for
> "+sss"), but it wasn't obvious to me where a "+"-style flag for
> 'erts_de_busy_limit' should go. So, this patch creates a new family
> of flags, prefixed with "+z", for miscellaneous VM settings.
>
> The full flag name is "+zerts_de_busy_limit", which goes against the
> tradition of using "+Qmbl" for adjusting some kind of "mumble mumble"
> value but "mumble mumble" is obviously too long to be useful. If
> "+zerts_de_busy_limit" is too long, then I'll leave it to the OTP team
> to create a tradition-fitting, impossible-to-remember abbreviation to
> use instead.
>
> I don't a functional Java compiler with the suitable Java compliance
> level, so compiling & running the test suite isn't an option for me
> yet. I've made the attempt to write a test, but I haven't executed it
> to know if it works. erlang:system_info(erts_de_busy_limit) was added
> to make a unit test possible.
>
> The documentation changes are terse but present. Given the lack of
> Java above, my doc-building toolchain is broken, so I don't know if
> the formatting is correct, sorry.
>
> -Scott
>
> ________________________________________________________________
> erlang-patches (at) erlang.org mailing list.
> See http://www.erlang.org/faq.html
> To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org
--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
________________________________________________________________
erlang-patches (at) erlang.org mailing list.
See http://www.erlang.org/faq.html
To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org
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| Guest |
| Posted: Tue Jun 08, 2010 8:35 am |
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Guest
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On Tue, Jun 08, 2010 at 03:01:16AM -0500, Scott Lystig Fritchie wrote:
> Rickard Green <rickard@erlang.org> wrote:
>
> rg> It seems reasonable to add a configuration parameter for this.
> rg> However: [...]
>
> Assuming I followed instructions correctly, version 2 of this new config
> knob should be available via:
>
> git fetch git://github.com/slfritchie/otp.git erts_de_busy_limit
Thank you. Will be included in 'pu', but probably after the release.
>
> Add flag-based setting for 'erts_de_busy_limit' constant
>
> A prior patch to change the 'erts_de_busy_limit' constant, based on an
> environment variable, was rejected by the Ericsson OTP team because
> environment variables are no longer used for modifying the VM's
> behavior.
>
> Families of flags like "+s" are devoted to the scheduler (except for
> "+sss"), but it wasn't obvious to me where a "+"-style flag for
> 'erts_de_busy_limit' should go. So, this patch creates a new family
> of flags, prefixed with "+z", for miscellaneous VM settings.
>
> The full flag name is "+zerts_de_busy_limit", which goes against the
> tradition of using "+Qmbl" for adjusting some kind of "mumble mumble"
> value but "mumble mumble" is obviously too long to be useful. If
> "+zerts_de_busy_limit" is too long, then I'll leave it to the OTP team
> to create a tradition-fitting, impossible-to-remember abbreviation to
> use instead.
>
> I don't a functional Java compiler with the suitable Java compliance
> level, so compiling & running the test suite isn't an option for me
> yet. I've made the attempt to write a test, but I haven't executed it
> to know if it works. erlang:system_info(erts_de_busy_limit) was added
> to make a unit test possible.
>
> The documentation changes are terse but present. Given the lack of
> Java above, my doc-building toolchain is broken, so I don't know if
> the formatting is correct, sorry.
>
> -Scott
>
> ________________________________________________________________
> erlang-patches (at) erlang.org mailing list.
> See http://www.erlang.org/faq.html
> To unsubscribe; mailto:erlang-patches-unsubscribe@erlang.org
--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
________________________________________________________________
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See http://www.erlang.org/faq.html
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