SDMOPT parameter - Revision history

DCameron: /* Description */

2017-05-25T10:02:50Z

Description

← Older revision		Revision as of 10:02, 25 May 2017
Line 30:		Line 30:
	<dd>Do optimized file and group opens and closes when entering or exiting a subsystem.		<dd>Do optimized file and group opens and closes when entering or exiting a subsystem.
	Since daemons that use <var>[[Application_Subsystem_development\|APSY]]</var> subsystems have a high ratio of subsystem exit/entry		Since daemons that use <var>[[Application_Subsystem_development\|APSY]]</var> subsystems have a high ratio of subsystem exit/entry
	to subsystem processing, reducing this overhead can be a great CPU ~~savings~~.		to subsystem processing, reducing this overhead can be a great CPU saving.
	</dl>		</dl>
	The default for SDMOPT of X'03' means that all the sdaemon optimizations		The default for SDMOPT of X'03' means that all the sdaemon optimizations

DCameron: /* Description */

2017-05-25T10:01:40Z

Description

← Older revision		Revision as of 10:01, 25 May 2017
Line 29:		Line 29:
	<dt>X'02'		<dt>X'02'
	<dd>Do optimized file and group opens and closes when entering or exiting a subsystem.		<dd>Do optimized file and group opens and closes when entering or exiting a subsystem.
	Since daemons that use APSY subsystems have a high ratio of subsystem exit/entry		Since daemons that use <var>[[Application_Subsystem_development\|APSY]]</var> subsystems have a high ratio of subsystem exit/entry
	to subsystem processing, reducing this overhead can be a great CPU savings.		to subsystem processing, reducing this overhead can be a great CPU savings.
	</dl>		</dl>

DCameron: /* Description */

2017-05-25T09:59:41Z

Description

← Older revision		Revision as of 09:59, 25 May 2017
Line 21:		Line 21:
	<dt>X'01'		<dt>X'01'
	<dd>Server tables are not to be cleared at user login, logout, or		<dd>Server tables are not to be cleared at user login, logout, or
	UTABLE commands.		<var>[[UTABLE_command\|UTABLE]]</var> commands.
	While clearing of user tables is “nice” in some sense,		While clearing of user tables is “nice” in some sense,
	since daemons tend to do a lot of logging in and out and a lot of UTABLE		since daemons tend to do a lot of logging in and out and a lot of UTABLE

DCameron: /* Description */

2017-05-25T09:58:19Z

Description

← Older revision		Revision as of 09:58, 25 May 2017
Line 15:		Line 15:

	==Description==		==Description==
	This User 0 system parameter is a bitmask parameter that affects sdaemon		This User 0 system parameter is a bitmask parameter that affects <var>[[Sdaemons\|sdaemon]]</var>
	processing.		processing.
	The meaning of the bits are:		The meaning of the bits are:

DCameron: Undo revision 103118 by DCameron (talk)

2017-05-25T09:57:43Z

Undo revision 103118 by DCameron (talk)

← Older revision		Revision as of 09:57, 25 May 2017
Line 15:		Line 15:

	==Description==		==Description==
	This User 0 system parameter is a bitmask parameter that affects ~~<var>[[Sdaemons\|~~sdaemon~~]]</var>~~		This User 0 system parameter is a bitmask parameter that affects sdaemon
	processing.		processing.
	The meaning of the bits are:		The meaning of the bits are:
	<dl>or		<dl>
			<dt>X'01'
			<dd>Server tables are not to be cleared at user login, logout, or
	UTABLE commands.		UTABLE commands.
	While clearing of user tables is “nice” in some sense,		While clearing of user tables is “nice” in some sense,

DCameron: /* Description */

2017-05-25T09:57:00Z

Description

← Older revision		Revision as of 09:57, 25 May 2017
Line 15:		Line 15:

	==Description==		==Description==
	This User 0 system parameter is a bitmask parameter that affects sdaemon		This User 0 system parameter is a bitmask parameter that affects <var>[[Sdaemons\|sdaemon]]</var>
	processing.		processing.
	The meaning of the bits are:		The meaning of the bits are:
	<dl>		<dl>or
	~~<dt>X'01'~~
	~~<dd>Server tables are not to be cleared at user login, logout,~~ or
	UTABLE commands.		UTABLE commands.
	While clearing of user tables is “nice” in some sense,		While clearing of user tables is “nice” in some sense,

DCameron: /* Summary */

2017-05-25T09:52:52Z

Summary

← Older revision		Revision as of 09:52, 25 May 2017
Line 7:		Line 7:
	<dd>System		<dd>System
	<dt>Where set		<dt>Where set
	<dd>User 0 CCAIN parameters		<dd>User 0 CCAIN parameters, or reset by a System Manager
	<dt>Related products		<dt>Related products
	<dd>All		<dd>All
Line 13:		Line 13:
	<dd><var class="product">[[Sirius Mods]]</var> 6.7		<dd><var class="product">[[Sirius Mods]]</var> 6.7
	</dl>		</dl>

	==Description==		==Description==
	This User 0 system parameter is a bitmask parameter that affects sdaemon		This User 0 system parameter is a bitmask parameter that affects sdaemon

DmeWiccan: Automatically generated page update

2013-08-27T16:43:46Z

Automatically generated page update

← Older revision		Revision as of 16:43, 27 August 2013
Line 1:		Line 1:
			{{Template:SDMOPT parameter subtitle}}
	==Summary==		==Summary==
	<dl>		<dl>

JALWiccan: Automatically generated page update

2013-04-19T20:07:04Z

Automatically generated page update

← Older revision		Revision as of 20:07, 19 April 2013
Line 10:		Line 10:
	<dd>All		<dd>All
	<dt>Introduced		<dt>Introduced
	<dd><var class="product">Sirius Mods</var> 6.7		<dd><var class="product">[[Sirius Mods]]</var> 6.7
	</dl>		</dl>
	==Description==		==Description==

DmeWiccan: 1 revision

2012-06-22T19:25:03Z

1 revision

New page

==Summary==
<dl>
<dt>Default value
<dd>X'03'
<dt>Parameter type
<dd>System
<dt>Where set
<dd>User 0 CCAIN parameters
<dt>Related products
<dd>All
<dt>Introduced
<dd><var class="product">Sirius Mods</var> 6.7
</dl>
==Description==
This User 0 system parameter is a bitmask parameter that affects sdaemon
processing.
The meaning of the bits are:
<dl>
<dt>X'01'
<dd>Server tables are not to be cleared at user login, logout, or
UTABLE commands.
While clearing of user tables is “nice” in some sense,
since daemons tend to do a lot of logging in and out and a lot of UTABLE
commands, this niceness can have a high CPU cost.
Other than being “nice” there is little benefit to clearing all the
server tables at these points.
<dt>X'02'
<dd>Do optimized file and group opens and closes when entering or exiting a subsystem.
Since daemons that use APSY subsystems have a high ratio of subsystem exit/entry
to subsystem processing, reducing this overhead can be a great CPU savings.
</dl>
The default for SDMOPT of X'03' means that all the sdaemon optimizations
are enabled.
There should be no reason to disable any optimizations unless one is suspected
of causing a bug.
[[Category:System parameters]]
[[Category:Parameters]]