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Add note about memory consumption

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nxshock 2022-12-09 20:28:24 +05:00
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README.md
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@ -10,7 +10,7 @@ Simple key-value store for single-user applications.
## Cons ## Cons
* Index stored in memory (`map[key hash (28 bytes)]file offset (int64)`) * Index stored in memory (`map[key hash (28 bytes)]file offset (int64)`) - average 200-250 Mb of RAM per 1M keys
* Need to read the whole file on store open to create file index * Need to read the whole file on store open to create file index
* No way to recover disk space from deleted records * No way to recover disk space from deleted records
* Write/Delete operations block Read and each other operations * Write/Delete operations block Read and each other operations