Differences

This shows you the differences between two versions of the page.

--- alarm_analysis:data_retention [2019/11/18 15:55] – su
+++ alarm_analysis:data_retention [2023/12/29 13:42] (current) – su
@@ Line 14: / Line 14: @@
 Source Alarm & Event (A&E) data arrives on the import flow and is stored for later processing. We call this the **A&E Raw Data Cache**.
-Data is stored in monthly indices determined by date of arrival. This may be different to the date of the actual event record cotained in the raw A&E message (remember, the data is unprocessed at this stage so we don't know what it contains).
+Data is stored in monthly indices determined by date of arrival. This may be different to the date of the actual event record contained in the raw A&E message (remember, the data is unprocessed at this stage so we don't know what it contains).
 For an ongoing (near real-time) data flow, the monthly indices of raw data will be closely aligned with A&E event time. However, exceptions may occur. For example, importing a large historical backlog.