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Do Solid State Disks (SSDs) have a buffer cache?

Freshabout 2 months ago
Mar 15, 202629812 views
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Problem

All HDDs that I know have at least 8MB or more of buffer cache (I know that it is for increasing read and write performance on Disk Drivers). However, I'm just curious: Do SSDs have any buffer/cache system, something similar as HDDs? Do SSDs have even better performance beyond those of HDD buffers?

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Fix for: Do Solid State Disks (SSDs) have a buffer cache?

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To quote Wikipedia: A flash-based SSD typically uses a small amount of DRAM as a cache, similar to the cache in Hard disk drives. A directory of block placement and wear leveling data is also kept in the cache while the drive is operating. Data is nā€¦

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