this post was submitted on 01 Aug 2025
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EXT4 Shows Wild Gains With Better Block Allocation Scalability In Linux 6.17 (www.phoronix.com)
submitted 1 day ago by cm0002@programming.dev to c/linux@programming.dev
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[–] bleistift2@sopuli.xyz 5 points 1 day ago (1 children)

there was a significant decrease in file fragmentation

is that relevant for SSD users?

With Linux servers continuing to have more CPU cores and more containers being loaded on each server, Huawei began noticing scalability issues within the EXT4 file-system driver code.

Simply put, the fallocate operations per container per second are able to come up significantly

So these improvements are for high-load scenarios, right? Casual users won’t notice any improvements? (Not to bash this contribution, just asking)

[–] TeamAssimilation 4 points 1 day ago

I suppose common users will have marginal improvements, as we don’t move a lot of data. High load because long I/O waits in VM farms is a big deal, though, so this is actually great for companies with self-hosted VDI.