> For the complete documentation index, see [llms.txt](https://docs.cloudassert.com/hybr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cloudassert.com/hybr/installation/configuration/cost-management/general.md).

# General

## Purge Old Records

Enable the purge processor to remove old estimate records for CSP Azure usage source. The below values should be set in the Cost Management service config.

* IsPurgeOldRecordsEnabled in AppSettings to be set to **true**
* PurgeProcessorTaskIntervalMinutes to be set to **1440** to make it run one time in a day

![ Screenshot of purge processor values when enabled with one-day frequency](/files/-MGmzPDlx9-DvYvj2v2V)

{% hint style="info" %}
Config File Path: C:\Program Files\CloudAssertCostManagement\CloudAssert.CostManagement.WindowsService\CloudAssert.CostManagement.WindowsService.exe.config
{% endhint %}