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5. Disk Hacks > 56. Avoid the Delayed-Write-Caching Blues

Avoid the Delayed-Write-Caching Blues

This Windows performance enhancer could make you a real loser, of your data. Make this simple tweak and compute with peace of mind.

In an effort to give us another performance boost, Windows provides the ability to cache (store in memory for later use) data that is to be written to your hard drives, writing the data only when the system is less busy. This feature puts your data at risk for some short period of time and can result in data being lost if the system crashes or the power fails before the data is safely transferred from memory to the disk drive. Write-caching is not a bad thing unless you live where power fluctuates or fails frequently. Admittedly the time window affecting this risk is very short, a second or two at most, but you cannot control when a power glitch will happen in that second or two to cause data loss.


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