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by ryao
517 days ago
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That is not what an atomic write() function does and we are talking about APT, not databases. If you want atomic updates with APT, you could look into doing prestaged updates on ZFS. It should be possible to retrofit it into APT. Have it update a clone of the filesystem and create a new boot environment after it is done. The boot environment either is created or is not created. Then reboot into the updated OS and you can promote the clone and delete the old boot environment afterward. OpenSolaris had this capability over a decade ago. |
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