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diff --git a/server/sonar-docs/src/pages/project-administration/managing-project-history.md b/server/sonar-docs/src/pages/project-administration/managing-project-history.md new file mode 100644 index 00000000000..f3315428c65 --- /dev/null +++ b/server/sonar-docs/src/pages/project-administration/managing-project-history.md @@ -0,0 +1,25 @@ +--- +title: Managing Project History +url: /project-administration/managing-project-history/ +--- + +One of the most powerful features of {instance} is that it shows you not just your project health today, but how it has changed over time. It does that by selectively keeping data from previous analyses (see [Housekeeping](/instance-administration/housekeeping/)). It doesn't keep all previous analyses - that would bloat the database. Similarly, for the analyses it does keep, {instance} doesn't keep all the data. Once a project snapshot moves from the "Last analysis" (i.e. the most recent) to being part of the project's history, data below the project level is purged - again to keep from bloating the database. + +Typically these aren't things you need to even think about; {instance} just handles them for you. But occasionally you may need to remove a bad snapshot from a project's history or change the housekeeping algorithms. + +## Managing History +Occasionally, you may need to manually delete a project snapshot, whether because the wrong quality profile was used, or because there was a problem with analysis, and so on. Note that the most recent snapshot (labeled "Last snapshot") can never be deleted. + +[[warning]] +|**About deleting snapshots**<br/><br/> +|Deleting a snapshot is a 2-step process:<br/><br/> +|* The snapshot must first be removed from the project history by clicking on Delete snapshot. It |won't be displayed anymore on this History page but will still be present in the database. +|* The snapshot is actually deleted during the next project analysis. + +At project level, from the front page **Activity** list, choose **Show More** to see the full activity list. + +For every snapshot, it is possible to manually: + +* Add, rename or remove a version +* Add, rename or remove an event +* Delete the snapshot |