> 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.md).

# Log PS Explained

### Log Pattern-Signature (PS) Explained

Machine logs are known to be difficult to process due to their mixed structured/none-structured nature. The non-conforming log format and its volume growth make it challenging to extract values using conventional search and monitoring classic techniques. Apica Ascent normalizes all incoming logs into Pattern-Signature (PS). PS groups or clusters for all the ingested logs based on their underlying logging structure for any log forms.