Differences

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--- alarm_analysis:data_retention [2019/11/15 14:46] – su
+++ alarm_analysis:data_retention [2023/12/29 13:42] (current) – su
@@ Line 12: / Line 12: @@
 ==== 1. Collection ====
-Source Alarm & Event (A&E) data arrives on the import flow and is stored for later processing.
+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.
@@ Line 25: / Line 25: @@
 ==== 2. Processing ====
-The source data stored in stage 1 undergoes cleaning and transformation to generate an Alarm Analysis record optimised for analytics and aggregation.
+The source data stored in stage 1 undergoes cleaning and transformation to generate an Alarm Analysis record optimised for analytics and aggregation. This is the **Alarm Analysis database**.
 Data is stored in monthly indices determined by the A&E event date. The index name format is: