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3. Run Second Purge

When the second purge runs, the Week 2 partition is purged and the Week 6 partition added. Under strategy A, the historic partition now contains permanent records from both the Week 1 and Week 2 partition; Strategy B simply retains these permanent records in their respective original partitions.

 

Strategy A

 

 

Strategy B

 

Partition

Total

Permanent

 

Partition

Total

Permanent

Week 6

0

0

 

Week 6

0

0

Week 5

26,000

200

 

Week 5

26,000

200

Week 4

23,000

300

 

Week 4

23,000

300

Week 3

25,000

400

 

Week 3

25,000

400

Historic

800

800

 

Week 2

300

300

 

 

 

 

week 1

500

500