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Your SSD lies but that's ok .. I think Postgres fsync

Your SSD lies but that's ok .. I think Postgres fsyncYour SSD lies but that's ok .. I think Postgres fsync

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Title :Your SSD lies but that's ok .. I think Postgres fsync
Duration : 29 minutes, 16 seconds
Uploader : Hussein Nasser
Added On: : 24 May, 2023
Views : 19.4K times
Likes : 0
Source : YouTube

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fsync is a linux system call that flushes all pages and metadata for a given file to the disk. It is indeed an expensive operation but required for durability especially for database systems. Regular writes that make it to the disk controller are often pl

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