ACTRDS parameter: Difference between revisions
m (1 revision) |
m (maintask instead of main task) |
||
| (4 intermediate revisions by 3 users not shown) | |||
| Line 1: | Line 1: | ||
{{Template:ACTRDS parameter subtitle}} | |||
==Summary== | ==Summary== | ||
<dl> | <dl> | ||
| Line 10: | Line 11: | ||
<dd>[http://www.sirius-software.com/maint/download/jansslr.pdf Janus Network Security] | <dd>[http://www.sirius-software.com/maint/download/jansslr.pdf Janus Network Security] | ||
<dt>Introduced | <dt>Introduced | ||
<dd>Before <var class="product">Sirius Mods</var> 6.7 | <dd>Before <var class="product">[[Sirius Mods]]</var> 6.7 | ||
</dl> | </dl> | ||
==Description== | ==Description== | ||
| Line 17: | Line 18: | ||
Since public-key/private-key encryption/decryption is extremely CPU intensive, | Since public-key/private-key encryption/decryption is extremely CPU intensive, | ||
it can be useful to have the encryption/decryption performed in a special-purpose | it can be useful to have the encryption/decryption performed in a special-purpose | ||
subtask, freeing the main | subtask, freeing the main <var class="product">Model 204</var> task for other work. | ||
This parameter can be reset by a system manager but will not cause more than | This parameter can be reset by a system manager but will not cause more than | ||
[[MAXRDS parameter|MAXRDS]] tasks to be used at any time. | [[MAXRDS parameter|MAXRDS]] tasks to be used at any time. | ||
Since CMS does not support true multi-tasking, this parameter has no effect under | Since CMS does not support true multi-tasking, this parameter has no effect under | ||
CMS. | CMS. | ||
Also, since public-key/private-key encryption is only used by | Also, since public-key/private-key encryption is only used by <var class="product">Janus Network Security</var>, this parameter | ||
has no effect at sites not authorized for | has no effect at sites not authorized for <var class="product">Janus Network Security</var>. | ||
Setting this parameter is especially useful at sites where: | Setting this parameter is especially useful at sites where: | ||
<ul> | <ul> | ||
<li>The Online is CPU constrained in the | <li>The Online is CPU constrained in the maintask. </li> | ||
<li>There are usually or often idle CPUs available. | <li>There are usually or often idle CPUs available. </li> | ||
<li>The MP/204 feature is not available to move | <li>The MP/204 feature is not available to move maintask work to idle CPUs. </li> | ||
idle CPUs. | |||
</ul> | </ul> | ||
| Line 38: | Line 38: | ||
In a non-MP/204 environment, it probably does not make much sense (though is also largely | In a non-MP/204 environment, it probably does not make much sense (though is also largely | ||
harmless) to set an ACTRDS value greater than 1. | harmless) to set an ACTRDS value greater than 1. | ||
[[Category:System parameters]] | [[Category:System parameters]] | ||
[[Category:Parameters]] | [[Category:Parameters]] | ||
Latest revision as of 19:24, 17 June 2015
Active RSA subtasks
Summary
- Default value
- 0
- Parameter type
- System
- Where set
- System manager resettable
- Related products
- Janus Network Security
- Introduced
- Before Sirius Mods 6.7
Description
The ACTRDS system parameter is a numeric parameter that indicates the number of special-purpose public-key/private-key encryption/decryption subtasks to be used. Since public-key/private-key encryption/decryption is extremely CPU intensive, it can be useful to have the encryption/decryption performed in a special-purpose subtask, freeing the main Model 204 task for other work. This parameter can be reset by a system manager but will not cause more than MAXRDS tasks to be used at any time. Since CMS does not support true multi-tasking, this parameter has no effect under CMS. Also, since public-key/private-key encryption is only used by Janus Network Security, this parameter has no effect at sites not authorized for Janus Network Security.
Setting this parameter is especially useful at sites where:
- The Online is CPU constrained in the maintask.
- There are usually or often idle CPUs available.
- The MP/204 feature is not available to move maintask work to idle CPUs.
In an MP/204 environment, it is probably not worth setting ACTRDS as it would probably make more sense to add an additional MP/204 subtask to the Online by increasing the value of the AMPSUBS system parameter. In a non-MP/204 environment, it probably does not make much sense (though is also largely harmless) to set an ACTRDS value greater than 1.