Browse search retrieves huge number of records according to call number

• Article Type: General
• Product: Primo
• Product Version: 4.7

Problem Symptoms:
?€¢ A large number of records contain the same value for browse/callnumber
?€¢ Browse search returns a huge number of results
?€¢ This can cause issues with Primo performance, including search slowness or system overload

Cause:
A large number of records contain the same value for the browse/callnumber field of the PNX. This is often a generic value such as "internet" or "microform."

Resolution:
Add a condition to all normalization rules for browse/callnumber:

Advanced Configuration > Full Normalization Rule Configuration > PNX Section: Browse > Field: Call Number

Conditions Logic: True
Condition 1:
? ? Logic: False
? ? Source: <field and sub-field in which call number is included> - for example, 949 d
? ? Success if : Match Current
? ? Routine: Check string equals string/<string> - for example, MICROFORM