View difference between Paste ID: 4hD3kpqR and 3ve7Pxy2
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1-
- health daemon: niet rebooten binnen 't uur
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- hd: bericht sturen waarom we rebooten
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3-
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  - delete hash H1/data pair
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  - delete usage counter C1
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  - get number of references to the new hash C2
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  - store hash H2 /data pair
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  - set new usage count C2
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  = 3 x read, 2 x delete, 3 x write
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  => 8 IOs
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- replacing & delete old hash & existing hash
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  - get current hash H1 for this sector number
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  - get number of references to this hash C1
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  - delete hash H1/data pair
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  - delete usage counter C1
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  - get number of references to the new hash C2
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  - set new usage count C2
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  = 3 x read, 2 x delete, 1 x write
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  => 6 IOs
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- replacing & keep old hash & new hash
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  - get current hash H1 for this sector number
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  - get number of references to this hash C1
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  - set new usage count C1
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  - get number of references to the new hash C2
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  - store hash H2 /data pair
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  - set new usage count C2
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  = 3 x read, 3 x write
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  => 6 IOs
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- replacing & keep old hash & existing hash
33
  - get current hash H1 for this sector number
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  - get number of references to this hash C1
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  - set new usage count C1
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  - get number of references to the new hash C2
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  - store hash H2 /data pair
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  - set new usage count C2
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  - get number of references to the new hash C2
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  - set new usage count C2
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  = 4 x read, 4 x write
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  = 4 x read, 4 x write
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  => 8 IOs