> For the complete documentation index, see [llms.txt](https://docs.apica.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apica.io/autonomous-insights/log-pattern-signature/log-ps-explained/log-ps-use-cases/log-outlier-isolation.md).

# Log Outlier Isolation

#### Log Outlier Isolation

Pattern signature grouping gives the user a way to quickly pick out anonymous logs based on infrequent PS logs. For the example below, one apparent failed SSL log is shown from thousands of 24-hour ingress logs.

![](https://2948796384-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LmzGprckLqwd5v6bs6m%2Fuploads%2FDtRdl1pp1Qoi5RTqq8eB%2Ft5-2022-06-18_04-02-55.jpg?alt=media\&token=e0b4dbd2-3349-4be1-9e01-5cf53a70ac41)