One element of sizing the servers for the IBM ELM solution is the current and projected data scale (along with data shape, user scale and workload). There are also recommended artifact limits to stay within to keep an application performing well. There are a few different MBeans that will help keep track of data counts.
Item Count Details MBean
This bean will list several objects of various types (i.e. different typeName values), such as com.ibm.team.workitem.Attachment when collected for the Engineering Workflow Management (EWM) application. Each object collected has several attributes with those of prime interest being:- itemTypeName - the name of the type of item being counted, e.g. com.ibm.team.workitem.Attachment, com.ibm.team.workitem.WorkItem, com.ibm.team.vvc.ChangeSet
- noOfContents - how many items of this type exist in the application's repository
- totalSize - the total size in the application's repository for items of this type
- sizePercentage - the size of this item type as a percentage of all the other item types in the application's repository
Project Area Information MBean
Whereas the Item Count Details MBean provides data counts at the application repository level, the Project Area Information provides some details on the project areas of an application. There are several attributes of interest, but for purposes of tracking data counts relevant to sizing, consider the following (see the reference documentation for the full list).- workitemCount - total number of workitems in an EWM project area
- attachmentCount - total number of workitem attachments in an EWM project area
- attachmentTotalLength - total size of workitem attachments in an EWM project area
- totalNoOfComponents - total number of components in a configuration management enabled project area
- totalNoOfStreams - total number of streams in a configuration management enabled project area
- totalNoOfBaselines - total number of baselines in a configuration management enabled project area
- rmArtifactCount - total number of artifacts in a configuration management enabled DOORS Next project area
DOORS Next MBeans
In 7.0, DOORS Next implemented several MBeans to aid in tracking various data shapes at the repository level. At a minimum, plan to monitor these DOORS Next MBeans:- TotalNumberOfArtifacts - total artifacts in a DOORS Next application repository
- TotalNumberOfComponents - total components in a DOORS Next application repository
- TotalNumberOfBaselines - total baseline configurations in a DOORS Next application repository
- TotalNumberOfStreams - total stream configurations in a DOORS Next application repository
- TotalNumberOfLinks - total links within and between components and projects in a DOORS Next application repository
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