SiteSearch Database BuildingIndirection Files: pdir.db and hdir.db

pdir.db is the postings directory file.

• Keeps track of the physical arrangement of postings lists in the postings file.
• Uses pointers to associate logical postings-list numbers with physical location in the postings file.

hdir.db is the header directory file.

• Keeps track of the physical arrangement of data records in the header file.
• Uses pointers to associate logical record numbers with physical location in the header file.

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