Difference between revisions of "UM:Data Collection"

UM:Data Collection (view source)

Revision as of 22:48, 7 May 2012

42 bytes removed , 22:48, 7 May 2012

→‎What is templates

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 == Templates ==
-=== What is templates ===
+=== What is template ===
-Often you have a situation when you need to collect same parameters from different nodes. Such configuration making may easily fall into repeating one action many times. Things may became even worse when you need to change something in already configured DCIs on all nodes вЂ“ for example, increase threshold for CPU utilization. To avoid these problems, you can use ''data collection templates''. Data collection template (or just template for short) is a special object, which can have configured DCIs similar to nodes. When you create template and configure DCIs for it, nothing happens вЂ“ no data collection will occur. Then, you can ''apply'' this template to one or multiple nodes вЂ“ and as soon as you do this, all DCIs configured in the template object will appear in the target node objects, and server will start data collection for these DCIs. If you then change something in the template data collection settings вЂ“ add new DCI, change DCI's configuration, or remove DCI вЂ“ all changes will be reflected immediately in all nodes associated with the template. You can also choose to remove template from a node. In this case, you will have two options to deal with DCIs configured on the node through the template вЂ“ remove all such DCIs or leave them, but remove relation to the template. If you delete template object itself, all DCIs created on nodes from this template will be deleted as well.
+Often you have a situation when you need to collect same parameters from different nodes. Such configuration making may easily fall into repeating one action many times. Things may became even worse when you need to change something in already configured DCIs on all nodes - for example, increase threshold for CPU utilization. To avoid these problems, you can use ''data collection templates''. Data collection template (or just template for short) is a special object, which can have configured DCIs similar to nodes.
-Please note that you can apply an unlimited number of templates to a node вЂ” so you can create individual templates for each group of parameters (for example, generic performance parameters, MySQL parameters, network counters, etc.) and combine them, as you need.
+When you create template and configure DCIs for it, nothing happens - no data collection will occur. Then, you can ''apply'' this template to one or multiple nodes - and as soon as you do this, all DCIs configured in the template object will appear in the target node objects, and server will start data collection for these DCIs. If you then change something in the template data collection settings - add new DCI, change DCI's configuration, or remove DCI - all changes will be reflected immediately in all nodes associated with the template. You can also choose to remove template from a node. In this case, you will have two options to deal with DCIs configured on the node through the template - remove all such DCIs or leave them, but remove relation to the template. If you delete template object itself, all DCIs created on nodes from this template will be deleted as well.
+Please note that you can apply an unlimited number of templates to a node - so you can create individual templates for each group of parameters (for example, generic performance parameters, MySQL parameters, network counters, etc.) and combine them, as you need.
 === Creating template ===