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Performance monitors says that there are zero cache reads/sec and zero cache read bytes/sec for Readyboost. This means I don't gain from readyboost.

I don't understand. Windows 7 accepted my SD card as readyboost device.

  • It allowed me to set it as readyboost
  • Event logs show that readyboost find the SD card suitable
  • According to performance monitor, there are about 1.2GB data cached in the SD card. Readyboost is writing, it is just not reading!

Any ideas?

UPDATE: The SD card size is 8GB and formatted as exFAT.

UPDATE2: I have 4GB of RAM.

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migrated from serverfault.com Jan 18 '11 at 12:22

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1 Answer 1

How much RAM do you have? It will always use that if it is available before it resorts to readyboost so you may simply not need it most of the time. However you may still benefit from superfetch optimising your boot sequence.

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I have 4GB of RAM. I wasn't aware that superfetch can use readyboost for booth sequence. I thought readyboost cache is deleted every reboot. –  Herson Jan 19 '11 at 2:15

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