4 ms·
To me it seems like ext4 was the problem here -- it tried to provide a feature that wasn't adequately supported by the underlying OS.
by grok2 7y ago
To me it seems like ext4 was the problem here -- it tried to provide a feature that wasn't adequately supported by the underlying OS.
- espadrine 7y agoDelayed allocation was adequately supported. Implementing it in ext4 increased the risk of zeroing out a file from “having all files updated in the past 20ms be zeroed out” to “having all files updated in the past 4 seconds be zeroed out” in the event of a system crash.